зеркало из https://github.com/mozilla/gecko-dev.git
2271 строка
79 KiB
C++
2271 строка
79 KiB
C++
/* -*- Mode: C++; tab-width: 20; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "WebGLTexture.h"
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#include <algorithm>
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#include "CanvasUtils.h"
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#include "gfxPrefs.h"
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#include "GLBlitHelper.h"
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#include "GLContext.h"
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#include "mozilla/gfx/2D.h"
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#include "mozilla/dom/HTMLVideoElement.h"
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#include "mozilla/dom/ImageBitmap.h"
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#include "mozilla/dom/ImageData.h"
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#include "mozilla/MathAlgorithms.h"
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#include "mozilla/Scoped.h"
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#include "mozilla/Unused.h"
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#include "ScopedGLHelpers.h"
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#include "TexUnpackBlob.h"
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#include "WebGLBuffer.h"
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#include "WebGLContext.h"
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#include "WebGLContextUtils.h"
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#include "WebGLFramebuffer.h"
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#include "WebGLTexelConversions.h"
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namespace mozilla {
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/* This file handles:
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* TexStorage2D(texTarget, levels, internalFormat, width, height)
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* TexStorage3D(texTarget, levels, intenralFormat, width, height, depth)
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*
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* TexImage2D(texImageTarget, level, internalFormat, width, height, border, unpackFormat,
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* unpackType, data)
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* TexImage3D(texImageTarget, level, internalFormat, width, height, depth, border,
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* unpackFormat, unpackType, data)
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* TexSubImage2D(texImageTarget, level, xOffset, yOffset, width, height, unpackFormat,
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* unpackType, data)
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* TexSubImage3D(texImageTarget, level, xOffset, yOffset, zOffset, width, height, depth,
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* unpackFormat, unpackType, data)
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*
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* CompressedTexImage2D(texImageTarget, level, internalFormat, width, height, border,
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* imageSize, data)
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* CompressedTexImage3D(texImageTarget, level, internalFormat, width, height, depth,
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* border, imageSize, data)
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* CompressedTexSubImage2D(texImageTarget, level, xOffset, yOffset, width, height,
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* sizedUnpackFormat, imageSize, data)
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* CompressedTexSubImage3D(texImageTarget, level, xOffset, yOffset, zOffset, width,
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* height, depth, sizedUnpackFormat, imageSize, data)
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*
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* CopyTexImage2D(texImageTarget, level, internalFormat, x, y, width, height, border)
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* CopyTexImage3D - "Because the framebuffer is inhererntly two-dimensional, there is no
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* CopyTexImage3D command."
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* CopyTexSubImage2D(texImageTarget, level, xOffset, yOffset, x, y, width, height)
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* CopyTexSubImage3D(texImageTarget, level, xOffset, yOffset, zOffset, x, y, width,
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* height)
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*/
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static bool
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ValidateExtents(WebGLContext* webgl, const char* funcName, GLsizei width, GLsizei height,
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GLsizei depth, GLint border, uint32_t* const out_width,
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uint32_t* const out_height, uint32_t* const out_depth)
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{
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// Check border
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if (border != 0) {
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webgl->ErrorInvalidValue("%s: `border` must be 0.", funcName);
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return false;
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}
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if (width < 0 || height < 0 || depth < 0) {
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/* GL ES Version 2.0.25 - 3.7.1 Texture Image Specification
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* "If wt and ht are the specified image width and height,
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* and if either wt or ht are less than zero, then the error
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* INVALID_VALUE is generated."
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*/
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webgl->ErrorInvalidValue("%s: `width`/`height`/`depth` must be >= 0.", funcName);
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return false;
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}
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*out_width = width;
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*out_height = height;
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*out_depth = depth;
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return true;
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}
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////////////////////////////////////////
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// ArrayBufferView?
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static inline bool
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DoesJSTypeMatchUnpackType(GLenum unpackType, js::Scalar::Type jsType)
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{
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switch (unpackType) {
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case LOCAL_GL_BYTE:
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return jsType == js::Scalar::Type::Int8;
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case LOCAL_GL_UNSIGNED_BYTE:
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return jsType == js::Scalar::Type::Uint8 ||
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jsType == js::Scalar::Type::Uint8Clamped;
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case LOCAL_GL_SHORT:
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return jsType == js::Scalar::Type::Int16;
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case LOCAL_GL_UNSIGNED_SHORT:
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case LOCAL_GL_UNSIGNED_SHORT_4_4_4_4:
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case LOCAL_GL_UNSIGNED_SHORT_5_5_5_1:
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case LOCAL_GL_UNSIGNED_SHORT_5_6_5:
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case LOCAL_GL_HALF_FLOAT:
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case LOCAL_GL_HALF_FLOAT_OES:
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return jsType == js::Scalar::Type::Uint16;
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case LOCAL_GL_INT:
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return jsType == js::Scalar::Type::Int32;
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case LOCAL_GL_UNSIGNED_INT:
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case LOCAL_GL_UNSIGNED_INT_2_10_10_10_REV:
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case LOCAL_GL_UNSIGNED_INT_10F_11F_11F_REV:
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case LOCAL_GL_UNSIGNED_INT_5_9_9_9_REV:
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case LOCAL_GL_UNSIGNED_INT_24_8:
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return jsType == js::Scalar::Type::Uint32;
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case LOCAL_GL_FLOAT:
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return jsType == js::Scalar::Type::Float32;
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default:
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return false;
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}
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}
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static bool
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ValidateViewType(WebGLContext* webgl, const char* funcName, GLenum unpackType,
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const TexImageSource& src)
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{
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if (!src.mView)
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return true;
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const auto& view = *(src.mView);
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const auto& jsType = view.Type();
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if (!DoesJSTypeMatchUnpackType(unpackType, jsType)) {
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webgl->ErrorInvalidOperation("%s: ArrayBufferView type not compatible with"
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" `type`.",
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funcName);
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return false;
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}
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return true;
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}
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static bool
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ValidateUnpackInfo(WebGLContext* webgl, const char* funcName,
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const webgl::PackingInfo& pi)
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{
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if (!webgl->mFormatUsage->AreUnpackEnumsValid(pi.format, pi.type)) {
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webgl->ErrorInvalidEnum("%s: Invalid unpack format/type: 0x%04x/0x%04x", funcName,
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pi.format, pi.type);
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return false;
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}
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return true;
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}
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////////////////////////////////////////////////////////////////////////////////
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static UniquePtr<webgl::TexUnpackBytes>
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FromView(WebGLContext* webgl, const char* funcName, TexImageTarget target,
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uint32_t width, uint32_t height, uint32_t depth,
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const dom::ArrayBufferView* view, GLuint viewElemOffset,
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GLuint viewElemLengthOverride)
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{
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const bool isClientData = true;
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const uint8_t* bytes = nullptr;
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size_t availByteCount = 0;
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if (view) {
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if (!webgl->ValidateArrayBufferView(funcName, *view, viewElemOffset,
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viewElemLengthOverride,
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const_cast<uint8_t**>(&bytes),
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&availByteCount))
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{
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return nullptr;
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}
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}
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return MakeUnique<webgl::TexUnpackBytes>(webgl, target, width, height, depth,
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isClientData, bytes, availByteCount);
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}
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static UniquePtr<webgl::TexUnpackBytes>
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FromPboOffset(WebGLContext* webgl, const char* funcName, TexImageTarget target,
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uint32_t width, uint32_t height, uint32_t depth, WebGLsizeiptr pboOffset)
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{
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if (pboOffset < 0) {
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webgl->ErrorInvalidValue("%s: offset cannot be negative.", funcName);
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return nullptr;
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}
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const auto& buffer = webgl->ValidateBufferSelection(funcName,
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LOCAL_GL_PIXEL_UNPACK_BUFFER);
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if (!buffer)
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return nullptr;
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size_t availBufferBytes = buffer->ByteLength();
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if (size_t(pboOffset) > availBufferBytes) {
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webgl->ErrorInvalidOperation("%s: Offset is passed end of buffer.", funcName);
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return nullptr;
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}
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availBufferBytes -= pboOffset;
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const bool isClientData = false;
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const auto ptr = (const uint8_t*)pboOffset;
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return MakeUnique<webgl::TexUnpackBytes>(webgl, target, width, height, depth,
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isClientData, ptr, availBufferBytes);
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}
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static UniquePtr<webgl::TexUnpackBlob>
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FromImageBitmap(WebGLContext* webgl, const char* funcName, TexImageTarget target,
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uint32_t width, uint32_t height, uint32_t depth,
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const dom::ImageBitmap& imageBitmap)
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{
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UniquePtr<dom::ImageBitmapCloneData> cloneData = Move(imageBitmap.ToCloneData());
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const RefPtr<gfx::DataSourceSurface> surf = cloneData->mSurface;
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if (!width) {
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width = surf->GetSize().width;
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}
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if (!height) {
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height = surf->GetSize().height;
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}
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// WhatWG "HTML Living Standard" (30 October 2015):
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// "The getImageData(sx, sy, sw, sh) method [...] Pixels must be returned as
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// non-premultiplied alpha values."
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return MakeUnique<webgl::TexUnpackSurface>(webgl, target, width, height, depth, surf,
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cloneData->mAlphaType);
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}
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static UniquePtr<webgl::TexUnpackBlob>
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FromImageData(WebGLContext* webgl, const char* funcName, TexImageTarget target,
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uint32_t width, uint32_t height, uint32_t depth,
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const dom::ImageData& imageData, dom::Uint8ClampedArray* scopedArr)
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{
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DebugOnly<bool> inited = scopedArr->Init(imageData.GetDataObject());
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MOZ_ASSERT(inited);
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scopedArr->ComputeLengthAndData();
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const DebugOnly<size_t> dataSize = scopedArr->Length();
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const void* const data = scopedArr->Data();
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const gfx::IntSize size(imageData.Width(), imageData.Height());
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const size_t stride = size.width * 4;
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const gfx::SurfaceFormat surfFormat = gfx::SurfaceFormat::R8G8B8A8;
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// WhatWG "HTML Living Standard" (30 October 2015):
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// "The getImageData(sx, sy, sw, sh) method [...] Pixels must be returned as
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// non-premultiplied alpha values."
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const auto alphaType = gfxAlphaType::NonPremult;
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MOZ_ASSERT(dataSize == stride * size.height);
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uint8_t* wrappableData = (uint8_t*)data;
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const RefPtr<gfx::DataSourceSurface> surf =
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gfx::Factory::CreateWrappingDataSourceSurface(wrappableData, stride, size,
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surfFormat);
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if (!surf) {
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webgl->ErrorOutOfMemory("%s: OOM in FromImageData.", funcName);
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return nullptr;
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}
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////
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if (!width) {
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width = imageData.Width();
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}
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if (!height) {
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height = imageData.Height();
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}
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////
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return MakeUnique<webgl::TexUnpackSurface>(webgl, target, width, height, depth, surf,
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alphaType);
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}
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UniquePtr<webgl::TexUnpackBlob>
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WebGLContext::FromDomElem(const char* funcName, TexImageTarget target, uint32_t width,
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uint32_t height, uint32_t depth, const dom::Element& elem,
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ErrorResult* const out_error)
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{
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// The canvas spec says that drawImage should draw the first frame of
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// animated images. The webgl spec doesn't mention the issue, so we do the
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// same as drawImage.
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uint32_t flags = nsLayoutUtils::SFE_WANT_FIRST_FRAME_IF_IMAGE |
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nsLayoutUtils::SFE_WANT_IMAGE_SURFACE |
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nsLayoutUtils::SFE_USE_ELEMENT_SIZE_IF_VECTOR;
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if (mPixelStore_ColorspaceConversion == LOCAL_GL_NONE)
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flags |= nsLayoutUtils::SFE_NO_COLORSPACE_CONVERSION;
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if (!mPixelStore_PremultiplyAlpha)
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flags |= nsLayoutUtils::SFE_PREFER_NO_PREMULTIPLY_ALPHA;
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RefPtr<gfx::DrawTarget> idealDrawTarget = nullptr; // Don't care for now.
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auto sfer = nsLayoutUtils::SurfaceFromElement(const_cast<dom::Element*>(&elem), flags,
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idealDrawTarget);
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//////
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uint32_t elemWidth = 0;
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uint32_t elemHeight = 0;
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layers::Image* layersImage = nullptr;
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if (!gfxPrefs::WebGLDisableDOMBlitUploads() && sfer.mLayersImage) {
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layersImage = sfer.mLayersImage;
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elemWidth = layersImage->GetSize().width;
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elemHeight = layersImage->GetSize().height;
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}
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RefPtr<gfx::DataSourceSurface> dataSurf;
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if (!layersImage && sfer.GetSourceSurface()) {
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const auto surf = sfer.GetSourceSurface();
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elemWidth = surf->GetSize().width;
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elemHeight = surf->GetSize().height;
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// WARNING: OSX can lose our MakeCurrent here.
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dataSurf = surf->GetDataSurface();
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}
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//////
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if (!width) {
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width = elemWidth;
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}
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if (!height) {
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height = elemHeight;
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}
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////
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if (!layersImage && !dataSurf) {
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const bool isClientData = true;
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return MakeUnique<webgl::TexUnpackBytes>(this, target, width, height, depth,
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isClientData, nullptr, 0);
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}
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//////
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// While it's counter-intuitive, the shape of the SFEResult API means that we should
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// try to pull out a surface first, and then, if we do pull out a surface, check
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// CORS/write-only/etc..
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if (!sfer.mCORSUsed) {
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auto& srcPrincipal = sfer.mPrincipal;
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nsIPrincipal* dstPrincipal = GetCanvas()->NodePrincipal();
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if (!dstPrincipal->Subsumes(srcPrincipal)) {
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GenerateWarning("%s: Cross-origin elements require CORS.", funcName);
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out_error->Throw(NS_ERROR_DOM_SECURITY_ERR);
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return nullptr;
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}
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}
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if (sfer.mIsWriteOnly) {
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// mIsWriteOnly defaults to true, and so will be true even if SFE merely
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// failed. Thus we must test mIsWriteOnly after successfully retrieving an
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// Image or SourceSurface.
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GenerateWarning("%s: Element is write-only, thus cannot be uploaded.", funcName);
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out_error->Throw(NS_ERROR_DOM_SECURITY_ERR);
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return nullptr;
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}
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//////
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// Ok, we're good!
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if (layersImage) {
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return MakeUnique<webgl::TexUnpackImage>(this, target, width, height, depth,
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layersImage, sfer.mAlphaType);
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}
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MOZ_ASSERT(dataSurf);
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return MakeUnique<webgl::TexUnpackSurface>(this, target, width, height, depth,
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dataSurf, sfer.mAlphaType);
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}
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////////////////////////////////////////
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UniquePtr<webgl::TexUnpackBlob>
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WebGLContext::From(const char* funcName, TexImageTarget target, GLsizei rawWidth,
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GLsizei rawHeight, GLsizei rawDepth, GLint border,
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const TexImageSource& src, dom::Uint8ClampedArray* const scopedArr)
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{
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uint32_t width, height, depth;
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if (!ValidateExtents(this, funcName, rawWidth, rawHeight, rawDepth, border, &width,
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&height, &depth))
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{
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return nullptr;
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}
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if (src.mPboOffset) {
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return FromPboOffset(this, funcName, target, width, height, depth,
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*(src.mPboOffset));
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}
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if (mBoundPixelUnpackBuffer) {
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ErrorInvalidOperation("%s: PIXEL_UNPACK_BUFFER must be null.", funcName);
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return nullptr;
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}
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if (src.mImageBitmap) {
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return FromImageBitmap(this, funcName, target, width, height, depth,
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*(src.mImageBitmap));
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}
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if (src.mImageData) {
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return FromImageData(this, funcName, target, width, height, depth,
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*(src.mImageData), scopedArr);
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}
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if (src.mDomElem) {
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return FromDomElem(funcName, target, width, height, depth, *(src.mDomElem),
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src.mOut_error);
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}
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return FromView(this, funcName, target, width, height, depth, src.mView,
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src.mViewElemOffset, src.mViewElemLengthOverride);
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}
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////////////////////////////////////////////////////////////////////////////////
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static UniquePtr<webgl::TexUnpackBlob>
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ValidateTexOrSubImage(WebGLContext* webgl, const char* funcName, TexImageTarget target,
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GLsizei rawWidth, GLsizei rawHeight, GLsizei rawDepth,
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GLint border, const webgl::PackingInfo& pi,
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const TexImageSource& src, dom::Uint8ClampedArray* const scopedArr)
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{
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if (!ValidateUnpackInfo(webgl, funcName, pi))
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return nullptr;
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if (!ValidateViewType(webgl, funcName, pi.type, src))
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return nullptr;
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auto blob = webgl->From(funcName, target, rawWidth, rawHeight, rawDepth, border, src,
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scopedArr);
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if (!blob || !blob->Validate(webgl, funcName, pi))
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return nullptr;
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return Move(blob);
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}
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void
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WebGLTexture::TexImage(const char* funcName, TexImageTarget target, GLint level,
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GLenum internalFormat, GLsizei width, GLsizei height,
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GLsizei depth, GLint border, const webgl::PackingInfo& pi,
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const TexImageSource& src)
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{
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dom::RootedSpiderMonkeyInterface<dom::Uint8ClampedArray> scopedArr(dom::RootingCx());
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const auto blob = ValidateTexOrSubImage(mContext, funcName, target, width, height,
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depth, border, pi, src, &scopedArr);
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if (!blob)
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return;
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TexImage(funcName, target, level, internalFormat, pi, blob.get());
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}
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void
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WebGLTexture::TexSubImage(const char* funcName, TexImageTarget target, GLint level,
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GLint xOffset, GLint yOffset, GLint zOffset, GLsizei width,
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GLsizei height, GLsizei depth,
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const webgl::PackingInfo& pi, const TexImageSource& src)
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{
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const GLint border = 0;
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dom::RootedSpiderMonkeyInterface<dom::Uint8ClampedArray> scopedArr(dom::RootingCx());
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const auto blob = ValidateTexOrSubImage(mContext, funcName, target, width, height,
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depth, border, pi, src, &scopedArr);
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if (!blob)
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return;
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if (!blob->HasData()) {
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mContext->ErrorInvalidValue("%s: Source must not be null.", funcName);
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return;
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}
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TexSubImage(funcName, target, level, xOffset, yOffset, zOffset, pi, blob.get());
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}
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//////////////////////////////////////////////////////////////////////////////////////////
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//////////////////////////////////////////////////////////////////////////////////////////
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|
|
|
static bool
|
|
ValidateTexImage(WebGLContext* webgl, WebGLTexture* texture, const char* funcName,
|
|
TexImageTarget target, GLint level,
|
|
WebGLTexture::ImageInfo** const out_imageInfo)
|
|
{
|
|
// Check level
|
|
if (level < 0) {
|
|
webgl->ErrorInvalidValue("%s: `level` must be >= 0.", funcName);
|
|
return false;
|
|
}
|
|
|
|
if (level >= WebGLTexture::kMaxLevelCount) {
|
|
webgl->ErrorInvalidValue("%s: `level` is too large.", funcName);
|
|
return false;
|
|
}
|
|
|
|
WebGLTexture::ImageInfo& imageInfo = texture->ImageInfoAt(target, level);
|
|
|
|
*out_imageInfo = &imageInfo;
|
|
return true;
|
|
}
|
|
|
|
// For *TexImage*
|
|
bool
|
|
WebGLTexture::ValidateTexImageSpecification(const char* funcName, TexImageTarget target,
|
|
GLint rawLevel, uint32_t width,
|
|
uint32_t height, uint32_t depth,
|
|
WebGLTexture::ImageInfo** const out_imageInfo)
|
|
{
|
|
if (mImmutable) {
|
|
mContext->ErrorInvalidOperation("%s: Specified texture is immutable.", funcName);
|
|
return false;
|
|
}
|
|
|
|
// Do this early to validate `level`.
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImage(mContext, this, funcName, target, rawLevel, &imageInfo))
|
|
return false;
|
|
const uint32_t level(rawLevel);
|
|
|
|
if (mTarget == LOCAL_GL_TEXTURE_CUBE_MAP &&
|
|
width != height)
|
|
{
|
|
mContext->ErrorInvalidValue("%s: Cube map images must be square.", funcName);
|
|
return false;
|
|
}
|
|
|
|
/* GLES 3.0.4, p133-134:
|
|
* GL_MAX_TEXTURE_SIZE is *not* the max allowed texture size. Rather, it is the
|
|
* max (width/height) size guaranteed not to generate an INVALID_VALUE for too-large
|
|
* dimensions. Sizes larger than GL_MAX_TEXTURE_SIZE *may or may not* result in an
|
|
* INVALID_VALUE, or possibly GL_OOM.
|
|
*
|
|
* However, we have needed to set our maximums lower in the past to prevent resource
|
|
* corruption. Therefore we have mGLMaxTextureSize, which is neither necessarily
|
|
* lower nor higher than MAX_TEXTURE_SIZE.
|
|
*
|
|
* Note that mGLMaxTextureSize must be >= than the advertized MAX_TEXTURE_SIZE.
|
|
* For simplicity, we advertize MAX_TEXTURE_SIZE as mGLMaxTextureSize.
|
|
*/
|
|
|
|
uint32_t maxWidthHeight = 0;
|
|
uint32_t maxDepth = 0;
|
|
uint32_t maxLevel = 0;
|
|
|
|
MOZ_ASSERT(level <= 31);
|
|
switch (target.get()) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
maxWidthHeight = mContext->mGLMaxTextureSize >> level;
|
|
maxDepth = 1;
|
|
maxLevel = CeilingLog2(mContext->mGLMaxTextureSize);
|
|
break;
|
|
|
|
case LOCAL_GL_TEXTURE_3D:
|
|
maxWidthHeight = mContext->mGLMax3DTextureSize >> level;
|
|
maxDepth = maxWidthHeight;
|
|
maxLevel = CeilingLog2(mContext->mGLMax3DTextureSize);
|
|
break;
|
|
|
|
case LOCAL_GL_TEXTURE_2D_ARRAY:
|
|
maxWidthHeight = mContext->mGLMaxTextureSize >> level;
|
|
// "The maximum number of layers for two-dimensional array textures (depth)
|
|
// must be at least MAX_ARRAY_TEXTURE_LAYERS for all levels."
|
|
maxDepth = mContext->mGLMaxArrayTextureLayers;
|
|
maxLevel = CeilingLog2(mContext->mGLMaxTextureSize);
|
|
break;
|
|
|
|
default: // cube maps
|
|
MOZ_ASSERT(IsCubeMap());
|
|
maxWidthHeight = mContext->mGLMaxCubeMapTextureSize >> level;
|
|
maxDepth = 1;
|
|
maxLevel = CeilingLog2(mContext->mGLMaxCubeMapTextureSize);
|
|
break;
|
|
}
|
|
|
|
if (level > maxLevel) {
|
|
mContext->ErrorInvalidValue("%s: Requested level is not supported for target.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
if (width > maxWidthHeight ||
|
|
height > maxWidthHeight ||
|
|
depth > maxDepth)
|
|
{
|
|
mContext->ErrorInvalidValue("%s: Requested size at this level is unsupported.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
{
|
|
/* GL ES Version 2.0.25 - 3.7.1 Texture Image Specification
|
|
* "If level is greater than zero, and either width or
|
|
* height is not a power-of-two, the error INVALID_VALUE is
|
|
* generated."
|
|
*
|
|
* This restriction does not apply to GL ES Version 3.0+.
|
|
*/
|
|
bool requirePOT = (!mContext->IsWebGL2() && level != 0);
|
|
|
|
if (requirePOT) {
|
|
if (!IsPowerOfTwo(width) || !IsPowerOfTwo(height)) {
|
|
mContext->ErrorInvalidValue("%s: For level > 0, width and height must be"
|
|
" powers of two.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
*out_imageInfo = imageInfo;
|
|
return true;
|
|
}
|
|
|
|
// For *TexSubImage*
|
|
bool
|
|
WebGLTexture::ValidateTexImageSelection(const char* funcName, TexImageTarget target,
|
|
GLint level, GLint xOffset, GLint yOffset,
|
|
GLint zOffset, uint32_t width, uint32_t height,
|
|
uint32_t depth,
|
|
WebGLTexture::ImageInfo** const out_imageInfo)
|
|
{
|
|
// The conformance test wants bad arg checks before imageInfo checks.
|
|
if (xOffset < 0 || yOffset < 0 || zOffset < 0) {
|
|
mContext->ErrorInvalidValue("%s: Offsets must be >=0.", funcName);
|
|
return false;
|
|
}
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImage(mContext, this, funcName, target, level, &imageInfo))
|
|
return false;
|
|
|
|
if (!imageInfo->IsDefined()) {
|
|
mContext->ErrorInvalidOperation("%s: The specified TexImage has not yet been"
|
|
" specified.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
const auto totalX = CheckedUint32(xOffset) + width;
|
|
const auto totalY = CheckedUint32(yOffset) + height;
|
|
const auto totalZ = CheckedUint32(zOffset) + depth;
|
|
|
|
if (!totalX.isValid() || totalX.value() > imageInfo->mWidth ||
|
|
!totalY.isValid() || totalY.value() > imageInfo->mHeight ||
|
|
!totalZ.isValid() || totalZ.value() > imageInfo->mDepth)
|
|
{
|
|
mContext->ErrorInvalidValue("%s: Offset+size must be <= the size of the existing"
|
|
" specified image.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
*out_imageInfo = imageInfo;
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
ValidateCompressedTexUnpack(WebGLContext* webgl, const char* funcName, GLsizei width,
|
|
GLsizei height, GLsizei depth,
|
|
const webgl::FormatInfo* format, size_t dataSize)
|
|
{
|
|
auto compression = format->compression;
|
|
|
|
auto bytesPerBlock = compression->bytesPerBlock;
|
|
auto blockWidth = compression->blockWidth;
|
|
auto blockHeight = compression->blockHeight;
|
|
|
|
auto widthInBlocks = CheckedUint32(width) / blockWidth;
|
|
auto heightInBlocks = CheckedUint32(height) / blockHeight;
|
|
if (width % blockWidth) widthInBlocks += 1;
|
|
if (height % blockHeight) heightInBlocks += 1;
|
|
|
|
const CheckedUint32 blocksPerImage = widthInBlocks * heightInBlocks;
|
|
const CheckedUint32 bytesPerImage = bytesPerBlock * blocksPerImage;
|
|
const CheckedUint32 bytesNeeded = bytesPerImage * depth;
|
|
|
|
if (!bytesNeeded.isValid()) {
|
|
webgl->ErrorOutOfMemory("%s: Overflow while computing the needed buffer size.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
if (dataSize != bytesNeeded.value()) {
|
|
webgl->ErrorInvalidValue("%s: Provided buffer's size must match expected size."
|
|
" (needs %u, has %zu)",
|
|
funcName, bytesNeeded.value(), dataSize);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
DoChannelsMatchForCopyTexImage(const webgl::FormatInfo* srcFormat,
|
|
const webgl::FormatInfo* dstFormat)
|
|
{
|
|
// GLES 3.0.4 p140 Table 3.16 "Valid CopyTexImage source framebuffer/destination
|
|
// texture base internal format combinations."
|
|
|
|
switch (srcFormat->unsizedFormat) {
|
|
case webgl::UnsizedFormat::RGBA:
|
|
switch (dstFormat->unsizedFormat) {
|
|
case webgl::UnsizedFormat::A:
|
|
case webgl::UnsizedFormat::L:
|
|
case webgl::UnsizedFormat::LA:
|
|
case webgl::UnsizedFormat::R:
|
|
case webgl::UnsizedFormat::RG:
|
|
case webgl::UnsizedFormat::RGB:
|
|
case webgl::UnsizedFormat::RGBA:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
case webgl::UnsizedFormat::RGB:
|
|
switch (dstFormat->unsizedFormat) {
|
|
case webgl::UnsizedFormat::L:
|
|
case webgl::UnsizedFormat::R:
|
|
case webgl::UnsizedFormat::RG:
|
|
case webgl::UnsizedFormat::RGB:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
case webgl::UnsizedFormat::RG:
|
|
switch (dstFormat->unsizedFormat) {
|
|
case webgl::UnsizedFormat::L:
|
|
case webgl::UnsizedFormat::R:
|
|
case webgl::UnsizedFormat::RG:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
case webgl::UnsizedFormat::R:
|
|
switch (dstFormat->unsizedFormat) {
|
|
case webgl::UnsizedFormat::L:
|
|
case webgl::UnsizedFormat::R:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
static bool
|
|
EnsureImageDataInitializedForUpload(WebGLTexture* tex, const char* funcName,
|
|
TexImageTarget target, GLint level, GLint xOffset,
|
|
GLint yOffset, GLint zOffset, uint32_t width,
|
|
uint32_t height, uint32_t depth,
|
|
WebGLTexture::ImageInfo* imageInfo,
|
|
bool* const out_uploadWillInitialize)
|
|
{
|
|
*out_uploadWillInitialize = false;
|
|
|
|
if (!imageInfo->IsDataInitialized()) {
|
|
const bool isFullUpload = (!xOffset && !yOffset && !zOffset &&
|
|
width == imageInfo->mWidth &&
|
|
height == imageInfo->mHeight &&
|
|
depth == imageInfo->mDepth);
|
|
if (isFullUpload) {
|
|
*out_uploadWillInitialize = true;
|
|
} else {
|
|
WebGLContext* webgl = tex->mContext;
|
|
webgl->GenerateWarning("%s: Texture has not been initialized prior to a"
|
|
" partial upload, forcing the browser to clear it."
|
|
" This may be slow.",
|
|
funcName);
|
|
if (!tex->InitializeImageData(funcName, target, level)) {
|
|
MOZ_ASSERT(false, "Unexpected failure to init image data.");
|
|
return false;
|
|
}
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Actual calls
|
|
|
|
static inline GLenum
|
|
DoTexStorage(gl::GLContext* gl, TexTarget target, GLsizei levels, GLenum sizedFormat,
|
|
GLsizei width, GLsizei height, GLsizei depth)
|
|
{
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
switch (target.get()) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP:
|
|
MOZ_ASSERT(depth == 1);
|
|
gl->fTexStorage2D(target.get(), levels, sizedFormat, width, height);
|
|
break;
|
|
|
|
case LOCAL_GL_TEXTURE_3D:
|
|
case LOCAL_GL_TEXTURE_2D_ARRAY:
|
|
gl->fTexStorage3D(target.get(), levels, sizedFormat, width, height, depth);
|
|
break;
|
|
|
|
default:
|
|
MOZ_CRASH("GFX: bad target");
|
|
}
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
bool
|
|
IsTarget3D(TexImageTarget target)
|
|
{
|
|
switch (target.get()) {
|
|
case LOCAL_GL_TEXTURE_2D:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_X:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_Y:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Y:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_Z:
|
|
case LOCAL_GL_TEXTURE_CUBE_MAP_NEGATIVE_Z:
|
|
return false;
|
|
|
|
case LOCAL_GL_TEXTURE_3D:
|
|
case LOCAL_GL_TEXTURE_2D_ARRAY:
|
|
return true;
|
|
|
|
default:
|
|
MOZ_CRASH("GFX: bad target");
|
|
}
|
|
}
|
|
|
|
GLenum
|
|
DoTexImage(gl::GLContext* gl, TexImageTarget target, GLint level,
|
|
const webgl::DriverUnpackInfo* dui, GLsizei width, GLsizei height,
|
|
GLsizei depth, const void* data)
|
|
{
|
|
const GLint border = 0;
|
|
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
if (IsTarget3D(target)) {
|
|
gl->fTexImage3D(target.get(), level, dui->internalFormat, width, height, depth,
|
|
border, dui->unpackFormat, dui->unpackType, data);
|
|
} else {
|
|
MOZ_ASSERT(depth == 1);
|
|
gl->fTexImage2D(target.get(), level, dui->internalFormat, width, height, border,
|
|
dui->unpackFormat, dui->unpackType, data);
|
|
}
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
GLenum
|
|
DoTexSubImage(gl::GLContext* gl, TexImageTarget target, GLint level, GLint xOffset,
|
|
GLint yOffset, GLint zOffset, GLsizei width, GLsizei height, GLsizei depth,
|
|
const webgl::PackingInfo& pi, const void* data)
|
|
{
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
if (IsTarget3D(target)) {
|
|
gl->fTexSubImage3D(target.get(), level, xOffset, yOffset, zOffset, width, height,
|
|
depth, pi.format, pi.type, data);
|
|
} else {
|
|
MOZ_ASSERT(zOffset == 0);
|
|
MOZ_ASSERT(depth == 1);
|
|
gl->fTexSubImage2D(target.get(), level, xOffset, yOffset, width, height,
|
|
pi.format, pi.type, data);
|
|
}
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
static inline GLenum
|
|
DoCompressedTexImage(gl::GLContext* gl, TexImageTarget target, GLint level,
|
|
GLenum internalFormat, GLsizei width, GLsizei height, GLsizei depth,
|
|
GLsizei dataSize, const void* data)
|
|
{
|
|
const GLint border = 0;
|
|
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
if (IsTarget3D(target)) {
|
|
gl->fCompressedTexImage3D(target.get(), level, internalFormat, width, height,
|
|
depth, border, dataSize, data);
|
|
} else {
|
|
MOZ_ASSERT(depth == 1);
|
|
gl->fCompressedTexImage2D(target.get(), level, internalFormat, width, height,
|
|
border, dataSize, data);
|
|
}
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
GLenum
|
|
DoCompressedTexSubImage(gl::GLContext* gl, TexImageTarget target, GLint level,
|
|
GLint xOffset, GLint yOffset, GLint zOffset, GLsizei width,
|
|
GLsizei height, GLsizei depth, GLenum sizedUnpackFormat,
|
|
GLsizei dataSize, const void* data)
|
|
{
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
if (IsTarget3D(target)) {
|
|
gl->fCompressedTexSubImage3D(target.get(), level, xOffset, yOffset, zOffset,
|
|
width, height, depth, sizedUnpackFormat, dataSize,
|
|
data);
|
|
} else {
|
|
MOZ_ASSERT(zOffset == 0);
|
|
MOZ_ASSERT(depth == 1);
|
|
gl->fCompressedTexSubImage2D(target.get(), level, xOffset, yOffset, width,
|
|
height, sizedUnpackFormat, dataSize, data);
|
|
}
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
static inline GLenum
|
|
DoCopyTexImage2D(gl::GLContext* gl, TexImageTarget target, GLint level,
|
|
GLenum internalFormat, GLint x, GLint y, GLsizei width, GLsizei height)
|
|
{
|
|
const GLint border = 0;
|
|
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
MOZ_ASSERT(!IsTarget3D(target));
|
|
gl->fCopyTexImage2D(target.get(), level, internalFormat, x, y, width, height,
|
|
border);
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
static inline GLenum
|
|
DoCopyTexSubImage(gl::GLContext* gl, TexImageTarget target, GLint level, GLint xOffset,
|
|
GLint yOffset, GLint zOffset, GLint x, GLint y, GLsizei width,
|
|
GLsizei height)
|
|
{
|
|
gl::GLContext::LocalErrorScope errorScope(*gl);
|
|
|
|
if (IsTarget3D(target)) {
|
|
gl->fCopyTexSubImage3D(target.get(), level, xOffset, yOffset, zOffset, x, y,
|
|
width, height);
|
|
} else {
|
|
MOZ_ASSERT(zOffset == 0);
|
|
gl->fCopyTexSubImage2D(target.get(), level, xOffset, yOffset, x, y, width,
|
|
height);
|
|
}
|
|
|
|
return errorScope.GetError();
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
//////////////////////////////////////////////////////////////////////////////////////////
|
|
// Actual (mostly generic) function implementations
|
|
|
|
static bool
|
|
ValidateCompressedTexImageRestrictions(const char* funcName, WebGLContext* webgl,
|
|
TexImageTarget target, uint32_t level,
|
|
const webgl::FormatInfo* format, uint32_t width,
|
|
uint32_t height, uint32_t depth)
|
|
{
|
|
const auto fnIsDimValid_S3TC = [level](uint32_t size, uint32_t blockSize) {
|
|
if (size % blockSize == 0)
|
|
return true;
|
|
|
|
if (level == 0)
|
|
return false;
|
|
|
|
return (size == 0 || size == 1 || size == 2);
|
|
};
|
|
|
|
switch (format->compression->family) {
|
|
case webgl::CompressionFamily::ASTC:
|
|
if (target == LOCAL_GL_TEXTURE_3D &&
|
|
!webgl->gl->IsExtensionSupported(gl::GLContext::KHR_texture_compression_astc_hdr))
|
|
{
|
|
webgl->ErrorInvalidOperation("%s: TEXTURE_3D requires ASTC's hdr profile.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
case webgl::CompressionFamily::PVRTC:
|
|
if (!IsPowerOfTwo(width) || !IsPowerOfTwo(height)) {
|
|
webgl->ErrorInvalidValue("%s: %s requires power-of-two width and height.",
|
|
funcName, format->name);
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
case webgl::CompressionFamily::S3TC:
|
|
if (!fnIsDimValid_S3TC(width, format->compression->blockWidth) ||
|
|
!fnIsDimValid_S3TC(height, format->compression->blockHeight))
|
|
{
|
|
webgl->ErrorInvalidOperation("%s: %s requires that width and height are"
|
|
" block-aligned, or, if level>0, equal to 0, 1,"
|
|
" or 2.",
|
|
funcName, format->name);
|
|
return false;
|
|
}
|
|
|
|
break;
|
|
|
|
// Default: There are no restrictions on CompressedTexImage.
|
|
default: // ATC, ETC1, ES3
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
ValidateTargetForFormat(const char* funcName, WebGLContext* webgl, TexImageTarget target,
|
|
const webgl::FormatInfo* format)
|
|
{
|
|
// GLES 3.0.4 p127:
|
|
// "Textures with a base internal format of DEPTH_COMPONENT or DEPTH_STENCIL are
|
|
// supported by texture image specification commands only if `target` is TEXTURE_2D,
|
|
// TEXTURE_2D_ARRAY, or TEXTURE_CUBE_MAP. Using these formats in conjunction with any
|
|
// other `target` will result in an INVALID_OPERATION error."
|
|
|
|
switch (format->effectiveFormat) {
|
|
// TEXTURE_2D_ARRAY but not TEXTURE_3D:
|
|
// D and DS formats
|
|
case webgl::EffectiveFormat::DEPTH_COMPONENT16:
|
|
case webgl::EffectiveFormat::DEPTH_COMPONENT24:
|
|
case webgl::EffectiveFormat::DEPTH_COMPONENT32F:
|
|
case webgl::EffectiveFormat::DEPTH24_STENCIL8:
|
|
case webgl::EffectiveFormat::DEPTH32F_STENCIL8:
|
|
// CompressionFamily::ES3
|
|
case webgl::EffectiveFormat::COMPRESSED_R11_EAC:
|
|
case webgl::EffectiveFormat::COMPRESSED_SIGNED_R11_EAC:
|
|
case webgl::EffectiveFormat::COMPRESSED_RG11_EAC:
|
|
case webgl::EffectiveFormat::COMPRESSED_SIGNED_RG11_EAC:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGB8_ETC2:
|
|
case webgl::EffectiveFormat::COMPRESSED_SRGB8_ETC2:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
|
|
case webgl::EffectiveFormat::COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGBA8_ETC2_EAC:
|
|
case webgl::EffectiveFormat::COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
|
|
// CompressionFamily::S3TC
|
|
case webgl::EffectiveFormat::COMPRESSED_RGB_S3TC_DXT1_EXT:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGBA_S3TC_DXT1_EXT:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGBA_S3TC_DXT3_EXT:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGBA_S3TC_DXT5_EXT:
|
|
if (target == LOCAL_GL_TEXTURE_3D) {
|
|
webgl->ErrorInvalidOperation("%s: Format %s cannot be used with TEXTURE_3D.",
|
|
funcName, format->name);
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
// No 3D targets:
|
|
// CompressionFamily::ATC
|
|
case webgl::EffectiveFormat::ATC_RGB_AMD:
|
|
case webgl::EffectiveFormat::ATC_RGBA_EXPLICIT_ALPHA_AMD:
|
|
case webgl::EffectiveFormat::ATC_RGBA_INTERPOLATED_ALPHA_AMD:
|
|
// CompressionFamily::PVRTC
|
|
case webgl::EffectiveFormat::COMPRESSED_RGB_PVRTC_4BPPV1:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGBA_PVRTC_4BPPV1:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGB_PVRTC_2BPPV1:
|
|
case webgl::EffectiveFormat::COMPRESSED_RGBA_PVRTC_2BPPV1:
|
|
// CompressionFamily::ETC1
|
|
case webgl::EffectiveFormat::ETC1_RGB8_OES:
|
|
if (target == LOCAL_GL_TEXTURE_3D ||
|
|
target == LOCAL_GL_TEXTURE_2D_ARRAY)
|
|
{
|
|
webgl->ErrorInvalidOperation("%s: Format %s cannot be used with TEXTURE_3D or"
|
|
" TEXTURE_2D_ARRAY.",
|
|
funcName, format->name);
|
|
return false;
|
|
}
|
|
break;
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
WebGLTexture::TexStorage(const char* funcName, TexTarget target, GLsizei levels,
|
|
GLenum sizedFormat, GLsizei width, GLsizei height, GLsizei depth)
|
|
{
|
|
// Check levels
|
|
if (levels < 1) {
|
|
mContext->ErrorInvalidValue("%s: `levels` must be >= 1.", funcName);
|
|
return;
|
|
}
|
|
|
|
if (!width || !height || !depth) {
|
|
mContext->ErrorInvalidValue("%s: Dimensions must be non-zero.", funcName);
|
|
return;
|
|
}
|
|
|
|
const TexImageTarget testTarget = IsCubeMap() ? LOCAL_GL_TEXTURE_CUBE_MAP_POSITIVE_X
|
|
: target.get();
|
|
const GLint testLevel = 0;
|
|
|
|
WebGLTexture::ImageInfo* testImageInfo;
|
|
if (!ValidateTexImageSpecification(funcName, testTarget, testLevel, width, height,
|
|
depth, &testImageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(testImageInfo);
|
|
mozilla::Unused << testImageInfo;
|
|
|
|
auto dstUsage = mContext->mFormatUsage->GetSizedTexUsage(sizedFormat);
|
|
if (!dstUsage) {
|
|
mContext->ErrorInvalidEnum("%s: Invalid internalformat: 0x%04x", funcName,
|
|
sizedFormat);
|
|
return;
|
|
}
|
|
auto dstFormat = dstUsage->format;
|
|
|
|
if (!ValidateTargetForFormat(funcName, mContext, testTarget, dstFormat))
|
|
return;
|
|
|
|
if (dstFormat->compression) {
|
|
if (!ValidateCompressedTexImageRestrictions(funcName, mContext, testTarget,
|
|
testLevel, dstFormat, width, height,
|
|
depth))
|
|
{
|
|
return;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////
|
|
|
|
const auto lastLevel = levels - 1;
|
|
MOZ_ASSERT(lastLevel <= 31, "Right-shift is only defined for bits-1.");
|
|
|
|
const uint32_t lastLevelWidth = uint32_t(width) >> lastLevel;
|
|
const uint32_t lastLevelHeight = uint32_t(height) >> lastLevel;
|
|
const uint32_t lastLevelDepth = uint32_t(depth) >> lastLevel;
|
|
|
|
// If these are all zero, then some earlier level was the final 1x1x1 level.
|
|
if (!lastLevelWidth && !lastLevelHeight && !lastLevelDepth) {
|
|
mContext->ErrorInvalidOperation("%s: Too many levels requested for the given"
|
|
" dimensions. (levels: %u, width: %u, height: %u,"
|
|
" depth: %u)",
|
|
funcName, levels, width, height, depth);
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
mContext->gl->MakeCurrent();
|
|
|
|
GLenum error = DoTexStorage(mContext->gl, target.get(), levels, sizedFormat, width,
|
|
height, depth);
|
|
|
|
mContext->OnDataAllocCall();
|
|
|
|
if (error == LOCAL_GL_OUT_OF_MEMORY) {
|
|
mContext->ErrorOutOfMemory("%s: Ran out of memory during texture allocation.",
|
|
funcName);
|
|
return;
|
|
}
|
|
if (error) {
|
|
MOZ_RELEASE_ASSERT(false, "GFX: We should have caught all other errors.");
|
|
mContext->ErrorInvalidOperation("%s: Unexpected error during texture allocation.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data.
|
|
|
|
const bool isDataInitialized = false;
|
|
const WebGLTexture::ImageInfo newInfo(dstUsage, width, height, depth,
|
|
isDataInitialized);
|
|
SetImageInfosAtLevel(funcName, 0, newInfo);
|
|
|
|
PopulateMipChain(funcName, 0, levels-1);
|
|
|
|
mImmutable = true;
|
|
mImmutableLevelCount = levels;
|
|
}
|
|
|
|
////////////////////////////////////////
|
|
// Tex(Sub)Image
|
|
|
|
void
|
|
WebGLTexture::TexImage(const char* funcName, TexImageTarget target, GLint level,
|
|
GLenum internalFormat, const webgl::PackingInfo& pi,
|
|
const webgl::TexUnpackBlob* blob)
|
|
{
|
|
////////////////////////////////////
|
|
// Get dest info
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImageSpecification(funcName, target, level, blob->mWidth,
|
|
blob->mHeight, blob->mDepth, &imageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(imageInfo);
|
|
|
|
const auto& fua = mContext->mFormatUsage;
|
|
if (!fua->IsInternalFormatEnumValid(internalFormat)) {
|
|
mContext->ErrorInvalidValue("%s: Invalid internalformat: 0x%04x",
|
|
funcName, internalFormat);
|
|
return;
|
|
}
|
|
|
|
auto dstUsage = fua->GetSizedTexUsage(internalFormat);
|
|
if (!dstUsage) {
|
|
if (internalFormat != pi.format) {
|
|
/* GL ES Version 3.0.4 - 3.8.3 Texture Image Specification
|
|
* "Specifying a combination of values for format, type, and
|
|
* internalformat that is not listed as a valid combination
|
|
* in tables 3.2 or 3.3 generates the error INVALID_OPERATION."
|
|
*/
|
|
mContext->ErrorInvalidOperation("%s: Unsized internalFormat must match"
|
|
" unpack format.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
dstUsage = fua->GetUnsizedTexUsage(pi);
|
|
}
|
|
|
|
if (!dstUsage) {
|
|
mContext->ErrorInvalidOperation("%s: Invalid internalformat/format/type:"
|
|
" 0x%04x/0x%04x/0x%04x",
|
|
funcName, internalFormat, pi.format, pi.type);
|
|
return;
|
|
}
|
|
|
|
const webgl::DriverUnpackInfo* driverUnpackInfo;
|
|
if (!dstUsage->IsUnpackValid(pi, &driverUnpackInfo)) {
|
|
mContext->ErrorInvalidOperation("%s: Mismatched internalFormat and format/type:"
|
|
" 0x%04x and 0x%04x/0x%04x",
|
|
funcName, internalFormat, pi.format, pi.type);
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Check that source and dest info are compatible
|
|
auto dstFormat = dstUsage->format;
|
|
|
|
if (!ValidateTargetForFormat(funcName, mContext, target, dstFormat))
|
|
return;
|
|
|
|
if (!mContext->IsWebGL2() && dstFormat->d) {
|
|
if (target != LOCAL_GL_TEXTURE_2D ||
|
|
blob->HasData() ||
|
|
level != 0)
|
|
{
|
|
mContext->ErrorInvalidOperation("%s: With format %s, this function may only"
|
|
" be called with target=TEXTURE_2D,"
|
|
" data=null, and level=0.",
|
|
funcName, dstFormat->name);
|
|
return;
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
MOZ_ALWAYS_TRUE( mContext->gl->MakeCurrent() );
|
|
MOZ_ASSERT(mContext->gl->IsCurrent());
|
|
|
|
// It's tempting to do allocation first, and TexSubImage second, but this is generally
|
|
// slower.
|
|
|
|
const ImageInfo newImageInfo(dstUsage, blob->mWidth, blob->mHeight, blob->mDepth,
|
|
blob->HasData());
|
|
|
|
const bool isSubImage = false;
|
|
const bool needsRespec = (imageInfo->mWidth != newImageInfo.mWidth ||
|
|
imageInfo->mHeight != newImageInfo.mHeight ||
|
|
imageInfo->mDepth != newImageInfo.mDepth ||
|
|
imageInfo->mFormat != newImageInfo.mFormat);
|
|
const GLint xOffset = 0;
|
|
const GLint yOffset = 0;
|
|
const GLint zOffset = 0;
|
|
|
|
GLenum glError;
|
|
if (!blob->TexOrSubImage(isSubImage, needsRespec, funcName, this, target, level,
|
|
driverUnpackInfo, xOffset, yOffset, zOffset, pi, &glError))
|
|
{
|
|
return;
|
|
}
|
|
|
|
mContext->OnDataAllocCall();
|
|
|
|
if (glError == LOCAL_GL_OUT_OF_MEMORY) {
|
|
mContext->ErrorOutOfMemory("%s: Driver ran out of memory during upload.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
if (glError) {
|
|
mContext->ErrorInvalidOperation("%s: Unexpected error during upload: 0x%04x",
|
|
funcName, glError);
|
|
printf_stderr("%s: dui: %x/%x/%x\n", funcName, driverUnpackInfo->internalFormat,
|
|
driverUnpackInfo->unpackFormat, driverUnpackInfo->unpackType);
|
|
MOZ_ASSERT(false, "Unexpected GL error.");
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data.
|
|
|
|
SetImageInfo(funcName, imageInfo, newImageInfo);
|
|
}
|
|
|
|
void
|
|
WebGLTexture::TexSubImage(const char* funcName, TexImageTarget target, GLint level,
|
|
GLint xOffset, GLint yOffset, GLint zOffset,
|
|
const webgl::PackingInfo& pi, const webgl::TexUnpackBlob* blob)
|
|
{
|
|
////////////////////////////////////
|
|
// Get dest info
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImageSelection(funcName, target, level, xOffset, yOffset, zOffset,
|
|
blob->mWidth, blob->mHeight, blob->mDepth, &imageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(imageInfo);
|
|
|
|
auto dstUsage = imageInfo->mFormat;
|
|
auto dstFormat = dstUsage->format;
|
|
|
|
if (dstFormat->compression) {
|
|
mContext->ErrorInvalidEnum("%s: Specified TexImage must not be compressed.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
if (!mContext->IsWebGL2() && dstFormat->d) {
|
|
mContext->ErrorInvalidOperation("%s: Function may not be called on a texture of"
|
|
" format %s.",
|
|
funcName, dstFormat->name);
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Get source info
|
|
|
|
const webgl::DriverUnpackInfo* driverUnpackInfo;
|
|
if (!dstUsage->IsUnpackValid(pi, &driverUnpackInfo)) {
|
|
mContext->ErrorInvalidOperation("%s: Mismatched internalFormat and format/type:"
|
|
" %s and 0x%04x/0x%04x",
|
|
funcName, dstFormat->name, pi.format, pi.type);
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
mContext->gl->MakeCurrent();
|
|
|
|
bool uploadWillInitialize;
|
|
if (!EnsureImageDataInitializedForUpload(this, funcName, target, level, xOffset,
|
|
yOffset, zOffset, blob->mWidth,
|
|
blob->mHeight, blob->mDepth, imageInfo,
|
|
&uploadWillInitialize))
|
|
{
|
|
return;
|
|
}
|
|
|
|
const bool isSubImage = true;
|
|
const bool needsRespec = false;
|
|
|
|
GLenum glError;
|
|
if (!blob->TexOrSubImage(isSubImage, needsRespec, funcName, this, target, level,
|
|
driverUnpackInfo, xOffset, yOffset, zOffset, pi, &glError))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (glError == LOCAL_GL_OUT_OF_MEMORY) {
|
|
mContext->ErrorOutOfMemory("%s: Driver ran out of memory during upload.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
if (glError) {
|
|
mContext->ErrorInvalidOperation("%s: Unexpected error during upload: 0x%04x",
|
|
funcName, glError);
|
|
MOZ_ASSERT(false, "Unexpected GL error.");
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data?
|
|
|
|
if (uploadWillInitialize) {
|
|
imageInfo->SetIsDataInitialized(true, this);
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////
|
|
// CompressedTex(Sub)Image
|
|
|
|
UniquePtr<webgl::TexUnpackBytes>
|
|
WebGLContext::FromCompressed(const char* funcName, TexImageTarget target,
|
|
GLsizei rawWidth, GLsizei rawHeight, GLsizei rawDepth,
|
|
GLint border, const TexImageSource& src)
|
|
{
|
|
uint32_t width, height, depth;
|
|
if (!ValidateExtents(this, funcName, rawWidth, rawHeight, rawDepth, border, &width,
|
|
&height, &depth))
|
|
{
|
|
return nullptr;
|
|
}
|
|
|
|
if (src.mPboOffset) {
|
|
return FromPboOffset(this, funcName, target, width, height, depth,
|
|
*(src.mPboOffset));
|
|
}
|
|
|
|
if (mBoundPixelUnpackBuffer) {
|
|
ErrorInvalidOperation("%s: PIXEL_UNPACK_BUFFER must be null.", funcName);
|
|
return nullptr;
|
|
}
|
|
|
|
return FromView(this, funcName, target, width, height, depth, src.mView,
|
|
src.mViewElemOffset, src.mViewElemLengthOverride);
|
|
}
|
|
|
|
void
|
|
WebGLTexture::CompressedTexImage(const char* funcName, TexImageTarget target, GLint level,
|
|
GLenum internalFormat, GLsizei rawWidth,
|
|
GLsizei rawHeight, GLsizei rawDepth, GLint border,
|
|
const TexImageSource& src)
|
|
{
|
|
const auto blob = mContext->FromCompressed(funcName, target, rawWidth, rawHeight,
|
|
rawDepth, border, src);
|
|
if (!blob)
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Get dest info
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImageSpecification(funcName, target, level, blob->mWidth,
|
|
blob->mHeight, blob->mDepth, &imageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(imageInfo);
|
|
|
|
auto usage = mContext->mFormatUsage->GetSizedTexUsage(internalFormat);
|
|
if (!usage) {
|
|
mContext->ErrorInvalidEnum("%s: Invalid internalFormat: 0x%04x", funcName,
|
|
internalFormat);
|
|
return;
|
|
}
|
|
|
|
auto format = usage->format;
|
|
if (!format->compression) {
|
|
mContext->ErrorInvalidEnum("%s: Specified internalFormat must be compressed.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
if (!ValidateTargetForFormat(funcName, mContext, target, format))
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Get source info
|
|
|
|
if (!ValidateCompressedTexUnpack(mContext, funcName, blob->mWidth, blob->mHeight,
|
|
blob->mDepth, format, blob->mAvailBytes))
|
|
{
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Check that source is compatible with dest
|
|
|
|
if (!ValidateCompressedTexImageRestrictions(funcName, mContext, target, level, format,
|
|
blob->mWidth, blob->mHeight,
|
|
blob->mDepth))
|
|
{
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
mContext->gl->MakeCurrent();
|
|
|
|
// Warning: Possibly shared memory. See bug 1225033.
|
|
GLenum error = DoCompressedTexImage(mContext->gl, target, level, internalFormat,
|
|
blob->mWidth, blob->mHeight, blob->mDepth,
|
|
blob->mAvailBytes, blob->mPtr);
|
|
mContext->OnDataAllocCall();
|
|
if (error == LOCAL_GL_OUT_OF_MEMORY) {
|
|
mContext->ErrorOutOfMemory("%s: Ran out of memory during upload.", funcName);
|
|
return;
|
|
}
|
|
if (error) {
|
|
MOZ_RELEASE_ASSERT(false, "GFX: We should have caught all other errors.");
|
|
mContext->GenerateWarning("%s: Unexpected error during texture upload. Context"
|
|
" lost.",
|
|
funcName);
|
|
mContext->ForceLoseContext();
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data.
|
|
|
|
const bool isDataInitialized = true;
|
|
const ImageInfo newImageInfo(usage, blob->mWidth, blob->mHeight, blob->mDepth,
|
|
isDataInitialized);
|
|
SetImageInfo(funcName, imageInfo, newImageInfo);
|
|
}
|
|
|
|
static inline bool
|
|
IsSubImageBlockAligned(const webgl::CompressedFormatInfo* compression,
|
|
const WebGLTexture::ImageInfo* imageInfo, GLint xOffset,
|
|
GLint yOffset, uint32_t width, uint32_t height)
|
|
{
|
|
if (xOffset % compression->blockWidth != 0 ||
|
|
yOffset % compression->blockHeight != 0)
|
|
{
|
|
return false;
|
|
}
|
|
|
|
if (width % compression->blockWidth != 0 && xOffset + width != imageInfo->mWidth)
|
|
return false;
|
|
|
|
if (height % compression->blockHeight != 0 && yOffset + height != imageInfo->mHeight)
|
|
return false;
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
WebGLTexture::CompressedTexSubImage(const char* funcName, TexImageTarget target,
|
|
GLint level, GLint xOffset, GLint yOffset,
|
|
GLint zOffset, GLsizei rawWidth, GLsizei rawHeight,
|
|
GLsizei rawDepth, GLenum sizedUnpackFormat,
|
|
const TexImageSource& src)
|
|
{
|
|
const GLint border = 0;
|
|
const auto blob = mContext->FromCompressed(funcName, target, rawWidth, rawHeight,
|
|
rawDepth, border, src);
|
|
if (!blob)
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Get dest info
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImageSelection(funcName, target, level, xOffset, yOffset, zOffset,
|
|
blob->mWidth, blob->mHeight, blob->mDepth, &imageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(imageInfo);
|
|
|
|
auto dstUsage = imageInfo->mFormat;
|
|
auto dstFormat = dstUsage->format;
|
|
|
|
////////////////////////////////////
|
|
// Get source info
|
|
|
|
auto srcUsage = mContext->mFormatUsage->GetSizedTexUsage(sizedUnpackFormat);
|
|
if (!srcUsage->format->compression) {
|
|
mContext->ErrorInvalidEnum("%s: Specified format must be compressed.", funcName);
|
|
return;
|
|
}
|
|
|
|
if (srcUsage != dstUsage) {
|
|
mContext->ErrorInvalidOperation("%s: `format` must match the format of the"
|
|
" existing texture image.",
|
|
funcName);
|
|
return;
|
|
}
|
|
|
|
auto format = srcUsage->format;
|
|
MOZ_ASSERT(format == dstFormat);
|
|
if (!ValidateCompressedTexUnpack(mContext, funcName, blob->mWidth, blob->mHeight,
|
|
blob->mDepth, format, blob->mAvailBytes))
|
|
{
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Check that source is compatible with dest
|
|
|
|
switch (format->compression->family) {
|
|
// Forbidden:
|
|
case webgl::CompressionFamily::ETC1:
|
|
case webgl::CompressionFamily::ATC:
|
|
mContext->ErrorInvalidOperation("%s: Format does not allow sub-image"
|
|
" updates.", funcName);
|
|
return;
|
|
|
|
// Block-aligned:
|
|
case webgl::CompressionFamily::ES3: // Yes, the ES3 formats don't match the ES3
|
|
case webgl::CompressionFamily::S3TC: // default behavior.
|
|
if (!IsSubImageBlockAligned(dstFormat->compression, imageInfo, xOffset, yOffset,
|
|
blob->mWidth, blob->mHeight))
|
|
{
|
|
mContext->ErrorInvalidOperation("%s: Format requires block-aligned sub-image"
|
|
" updates.",
|
|
funcName);
|
|
return;
|
|
}
|
|
break;
|
|
|
|
// Full-only: (The ES3 default)
|
|
default: // PVRTC
|
|
if (xOffset || yOffset ||
|
|
blob->mWidth != imageInfo->mWidth ||
|
|
blob->mHeight != imageInfo->mHeight)
|
|
{
|
|
mContext->ErrorInvalidOperation("%s: Format does not allow partial sub-image"
|
|
" updates.",
|
|
funcName);
|
|
return;
|
|
}
|
|
break;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
mContext->gl->MakeCurrent();
|
|
|
|
bool uploadWillInitialize;
|
|
if (!EnsureImageDataInitializedForUpload(this, funcName, target, level, xOffset,
|
|
yOffset, zOffset, blob->mWidth,
|
|
blob->mHeight, blob->mDepth, imageInfo,
|
|
&uploadWillInitialize))
|
|
{
|
|
return;
|
|
}
|
|
|
|
// Warning: Possibly shared memory. See bug 1225033.
|
|
GLenum error = DoCompressedTexSubImage(mContext->gl, target, level, xOffset, yOffset,
|
|
zOffset, blob->mWidth, blob->mHeight,
|
|
blob->mDepth, sizedUnpackFormat,
|
|
blob->mAvailBytes, blob->mPtr);
|
|
if (error == LOCAL_GL_OUT_OF_MEMORY) {
|
|
mContext->ErrorOutOfMemory("%s: Ran out of memory during upload.", funcName);
|
|
return;
|
|
}
|
|
if (error) {
|
|
MOZ_RELEASE_ASSERT(false, "GFX: We should have caught all other errors.");
|
|
mContext->GenerateWarning("%s: Unexpected error during texture upload. Context"
|
|
" lost.",
|
|
funcName);
|
|
mContext->ForceLoseContext();
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data?
|
|
|
|
if (uploadWillInitialize) {
|
|
imageInfo->SetIsDataInitialized(true, this);
|
|
}
|
|
}
|
|
|
|
////////////////////////////////////////
|
|
// CopyTex(Sub)Image
|
|
|
|
static bool
|
|
ValidateCopyTexImageFormats(WebGLContext* webgl, const char* funcName,
|
|
const webgl::FormatInfo* srcFormat,
|
|
const webgl::FormatInfo* dstFormat)
|
|
{
|
|
MOZ_ASSERT(!srcFormat->compression);
|
|
if (dstFormat->compression) {
|
|
webgl->ErrorInvalidEnum("%s: Specified destination must not have a compressed"
|
|
" format.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
if (dstFormat->effectiveFormat == webgl::EffectiveFormat::RGB9_E5) {
|
|
webgl->ErrorInvalidOperation("%s: RGB9_E5 is an invalid destination for"
|
|
" CopyTex(Sub)Image. (GLES 3.0.4 p145)",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
if (!DoChannelsMatchForCopyTexImage(srcFormat, dstFormat)) {
|
|
webgl->ErrorInvalidOperation("%s: Destination channels must be compatible with"
|
|
" source channels. (GLES 3.0.4 p140 Table 3.16)",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class ScopedCopyTexImageSource
|
|
{
|
|
WebGLContext* const mWebGL;
|
|
GLuint mRB;
|
|
GLuint mFB;
|
|
|
|
public:
|
|
ScopedCopyTexImageSource(WebGLContext* webgl, const char* funcName, uint32_t srcWidth,
|
|
uint32_t srcHeight, const webgl::FormatInfo* srcFormat,
|
|
const webgl::FormatUsageInfo* dstUsage);
|
|
~ScopedCopyTexImageSource();
|
|
};
|
|
|
|
ScopedCopyTexImageSource::ScopedCopyTexImageSource(WebGLContext* webgl,
|
|
const char* funcName,
|
|
uint32_t srcWidth, uint32_t srcHeight,
|
|
const webgl::FormatInfo* srcFormat,
|
|
const webgl::FormatUsageInfo* dstUsage)
|
|
: mWebGL(webgl)
|
|
, mRB(0)
|
|
, mFB(0)
|
|
{
|
|
switch (dstUsage->format->unsizedFormat) {
|
|
case webgl::UnsizedFormat::L:
|
|
case webgl::UnsizedFormat::A:
|
|
case webgl::UnsizedFormat::LA:
|
|
webgl->GenerateWarning("%s: Copying to a LUMINANCE, ALPHA, or LUMINANCE_ALPHA"
|
|
" is deprecated, and has severely reduced performance"
|
|
" on some platforms.",
|
|
funcName);
|
|
break;
|
|
|
|
default:
|
|
MOZ_ASSERT(!dstUsage->textureSwizzleRGBA);
|
|
return;
|
|
}
|
|
|
|
if (!dstUsage->textureSwizzleRGBA)
|
|
return;
|
|
|
|
gl::GLContext* gl = webgl->gl;
|
|
|
|
GLenum sizedFormat;
|
|
|
|
switch (srcFormat->componentType) {
|
|
case webgl::ComponentType::NormUInt:
|
|
sizedFormat = LOCAL_GL_RGBA8;
|
|
break;
|
|
|
|
case webgl::ComponentType::Float:
|
|
if (webgl->IsExtensionEnabled(WebGLExtensionID::WEBGL_color_buffer_float)) {
|
|
sizedFormat = LOCAL_GL_RGBA32F;
|
|
break;
|
|
}
|
|
|
|
if (webgl->IsExtensionEnabled(WebGLExtensionID::EXT_color_buffer_half_float)) {
|
|
sizedFormat = LOCAL_GL_RGBA16F;
|
|
break;
|
|
}
|
|
MOZ_CRASH("GFX: Should be able to request CopyTexImage from Float.");
|
|
|
|
default:
|
|
MOZ_CRASH("GFX: Should be able to request CopyTexImage from this type.");
|
|
}
|
|
|
|
gl::ScopedTexture scopedTex(gl);
|
|
gl::ScopedBindTexture scopedBindTex(gl, scopedTex.Texture(), LOCAL_GL_TEXTURE_2D);
|
|
|
|
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MIN_FILTER, LOCAL_GL_NEAREST);
|
|
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_MAG_FILTER, LOCAL_GL_NEAREST);
|
|
|
|
GLint blitSwizzle[4] = {LOCAL_GL_ZERO};
|
|
switch (dstUsage->format->unsizedFormat) {
|
|
case webgl::UnsizedFormat::L:
|
|
blitSwizzle[0] = LOCAL_GL_RED;
|
|
break;
|
|
|
|
case webgl::UnsizedFormat::A:
|
|
blitSwizzle[0] = LOCAL_GL_ALPHA;
|
|
break;
|
|
|
|
case webgl::UnsizedFormat::LA:
|
|
blitSwizzle[0] = LOCAL_GL_RED;
|
|
blitSwizzle[1] = LOCAL_GL_ALPHA;
|
|
break;
|
|
|
|
default:
|
|
MOZ_CRASH("GFX: Unhandled unsizedFormat.");
|
|
}
|
|
|
|
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_SWIZZLE_R, blitSwizzle[0]);
|
|
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_SWIZZLE_G, blitSwizzle[1]);
|
|
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_SWIZZLE_B, blitSwizzle[2]);
|
|
gl->fTexParameteri(LOCAL_GL_TEXTURE_2D, LOCAL_GL_TEXTURE_SWIZZLE_A, blitSwizzle[3]);
|
|
|
|
gl->fCopyTexImage2D(LOCAL_GL_TEXTURE_2D, 0, sizedFormat, 0, 0, srcWidth,
|
|
srcHeight, 0);
|
|
|
|
// Now create the swizzled FB we'll be exposing.
|
|
|
|
GLuint rgbaRB = 0;
|
|
gl->fGenRenderbuffers(1, &rgbaRB);
|
|
gl::ScopedBindRenderbuffer scopedRB(gl, rgbaRB);
|
|
gl->fRenderbufferStorage(LOCAL_GL_RENDERBUFFER, sizedFormat, srcWidth, srcHeight);
|
|
|
|
GLuint rgbaFB = 0;
|
|
gl->fGenFramebuffers(1, &rgbaFB);
|
|
gl->fBindFramebuffer(LOCAL_GL_FRAMEBUFFER, rgbaFB);
|
|
gl->fFramebufferRenderbuffer(LOCAL_GL_FRAMEBUFFER, LOCAL_GL_COLOR_ATTACHMENT0,
|
|
LOCAL_GL_RENDERBUFFER, rgbaRB);
|
|
|
|
const GLenum status = gl->fCheckFramebufferStatus(LOCAL_GL_FRAMEBUFFER);
|
|
if (status != LOCAL_GL_FRAMEBUFFER_COMPLETE) {
|
|
MOZ_CRASH("GFX: Temp framebuffer is not complete.");
|
|
}
|
|
|
|
// Restore RB binding.
|
|
scopedRB.Unwrap(); // This function should really have a better name.
|
|
|
|
// Draw-blit rgbaTex into rgbaFB.
|
|
const gfx::IntSize srcSize(srcWidth, srcHeight);
|
|
gl->BlitHelper()->DrawBlitTextureToFramebuffer(scopedTex.Texture(), rgbaFB,
|
|
srcSize, srcSize);
|
|
|
|
// Restore Tex2D binding and destroy the temp tex.
|
|
scopedBindTex.Unwrap();
|
|
scopedTex.Unwrap();
|
|
|
|
// Leave RB and FB alive, and FB bound.
|
|
mRB = rgbaRB;
|
|
mFB = rgbaFB;
|
|
}
|
|
|
|
template<typename T>
|
|
static inline GLenum
|
|
ToGLHandle(const T& obj)
|
|
{
|
|
return (obj ? obj->mGLName : 0);
|
|
}
|
|
|
|
ScopedCopyTexImageSource::~ScopedCopyTexImageSource()
|
|
{
|
|
if (!mFB) {
|
|
MOZ_ASSERT(!mRB);
|
|
return;
|
|
}
|
|
MOZ_ASSERT(mRB);
|
|
|
|
gl::GLContext* gl = mWebGL->gl;
|
|
|
|
// If we're swizzling, it's because we're on a GL core (3.2+) profile, which has
|
|
// split framebuffer support.
|
|
gl->fBindFramebuffer(LOCAL_GL_DRAW_FRAMEBUFFER,
|
|
ToGLHandle(mWebGL->mBoundDrawFramebuffer));
|
|
gl->fBindFramebuffer(LOCAL_GL_READ_FRAMEBUFFER,
|
|
ToGLHandle(mWebGL->mBoundReadFramebuffer));
|
|
|
|
gl->fDeleteFramebuffers(1, &mFB);
|
|
gl->fDeleteRenderbuffers(1, &mRB);
|
|
}
|
|
|
|
////////////////////////////////////////////////////////////////////////////////
|
|
|
|
static bool
|
|
GetUnsizedFormatForCopy(GLenum internalFormat, webgl::UnsizedFormat* const out)
|
|
{
|
|
switch (internalFormat) {
|
|
case LOCAL_GL_RED: *out = webgl::UnsizedFormat::R; break;
|
|
case LOCAL_GL_RG: *out = webgl::UnsizedFormat::RG; break;
|
|
case LOCAL_GL_RGB: *out = webgl::UnsizedFormat::RGB; break;
|
|
case LOCAL_GL_RGBA: *out = webgl::UnsizedFormat::RGBA; break;
|
|
case LOCAL_GL_LUMINANCE: *out = webgl::UnsizedFormat::L; break;
|
|
case LOCAL_GL_ALPHA: *out = webgl::UnsizedFormat::A; break;
|
|
case LOCAL_GL_LUMINANCE_ALPHA: *out = webgl::UnsizedFormat::LA; break;
|
|
|
|
default:
|
|
return false;
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
static const webgl::FormatUsageInfo*
|
|
ValidateCopyDestUsage(const char* funcName, WebGLContext* webgl,
|
|
const webgl::FormatInfo* srcFormat, GLenum internalFormat)
|
|
{
|
|
const auto& fua = webgl->mFormatUsage;
|
|
|
|
auto dstUsage = fua->GetSizedTexUsage(internalFormat);
|
|
if (!dstUsage) {
|
|
// Ok, maybe it's unsized.
|
|
webgl::UnsizedFormat unsizedFormat;
|
|
if (!GetUnsizedFormatForCopy(internalFormat, &unsizedFormat)) {
|
|
webgl->ErrorInvalidEnum("%s: Unrecongnized internalFormat 0x%04x.", funcName,
|
|
internalFormat);
|
|
return nullptr;
|
|
}
|
|
|
|
const auto dstFormat = srcFormat->GetCopyDecayFormat(unsizedFormat);
|
|
if (dstFormat) {
|
|
dstUsage = fua->GetUsage(dstFormat->effectiveFormat);
|
|
}
|
|
if (!dstUsage) {
|
|
webgl->ErrorInvalidOperation("%s: 0x%04x is not a valid unsized format for"
|
|
" source format %s.",
|
|
funcName, internalFormat, srcFormat->name);
|
|
return nullptr;
|
|
}
|
|
|
|
return dstUsage;
|
|
}
|
|
// Alright, it's sized.
|
|
|
|
const auto dstFormat = dstUsage->format;
|
|
|
|
const auto fnNarrowType = [&](webgl::ComponentType type) {
|
|
switch (type) {
|
|
case webgl::ComponentType::NormInt:
|
|
case webgl::ComponentType::NormUInt:
|
|
// These both count as "fixed-point".
|
|
return webgl::ComponentType::NormInt;
|
|
|
|
default:
|
|
return type;
|
|
}
|
|
};
|
|
|
|
const auto srcType = fnNarrowType(srcFormat->componentType);
|
|
const auto dstType = fnNarrowType(dstFormat->componentType);
|
|
if (dstType != srcType) {
|
|
webgl->ErrorInvalidOperation("%s: For sized internalFormats, source and dest"
|
|
" component types must match. (source: %s, dest:"
|
|
" %s)",
|
|
funcName, srcFormat->name, dstFormat->name);
|
|
return nullptr;
|
|
}
|
|
|
|
bool componentSizesMatch = true;
|
|
if (dstFormat->r) {
|
|
componentSizesMatch &= (dstFormat->r == srcFormat->r);
|
|
}
|
|
if (dstFormat->g) {
|
|
componentSizesMatch &= (dstFormat->g == srcFormat->g);
|
|
}
|
|
if (dstFormat->b) {
|
|
componentSizesMatch &= (dstFormat->b == srcFormat->b);
|
|
}
|
|
if (dstFormat->a) {
|
|
componentSizesMatch &= (dstFormat->a == srcFormat->a);
|
|
}
|
|
|
|
if (!componentSizesMatch) {
|
|
webgl->ErrorInvalidOperation("%s: For sized internalFormats, source and dest"
|
|
" component sizes must match exactly. (source: %s,"
|
|
" dest: %s)",
|
|
funcName, srcFormat->name, dstFormat->name);
|
|
return nullptr;
|
|
}
|
|
|
|
return dstUsage;
|
|
}
|
|
|
|
bool
|
|
WebGLTexture::ValidateCopyTexImageForFeedback(const char* funcName, uint32_t level, GLint layer) const
|
|
{
|
|
const auto& fb = mContext->mBoundReadFramebuffer;
|
|
if (fb) {
|
|
const auto& attach = fb->ColorReadBuffer();
|
|
MOZ_ASSERT(attach);
|
|
|
|
if (attach->Texture() == this &&
|
|
attach->Layer() == layer &&
|
|
uint32_t(attach->MipLevel()) == level)
|
|
{
|
|
// Note that the TexImageTargets *don't* have to match for this to be
|
|
// undefined per GLES 3.0.4 p211, thus an INVALID_OP in WebGL.
|
|
mContext->ErrorInvalidOperation("%s: Feedback loop detected, as this texture"
|
|
" is already attached to READ_FRAMEBUFFER's"
|
|
" READ_BUFFER-selected COLOR_ATTACHMENT%u.",
|
|
funcName, attach->mAttachmentPoint);
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static bool
|
|
DoCopyTexOrSubImage(WebGLContext* webgl, const char* funcName, bool isSubImage,
|
|
const WebGLTexture* tex, TexImageTarget target, GLint level,
|
|
GLint xWithinSrc, GLint yWithinSrc,
|
|
uint32_t srcTotalWidth, uint32_t srcTotalHeight,
|
|
const webgl::FormatUsageInfo* srcUsage,
|
|
GLint xOffset, GLint yOffset, GLint zOffset,
|
|
uint32_t dstWidth, uint32_t dstHeight,
|
|
const webgl::FormatUsageInfo* dstUsage)
|
|
{
|
|
const auto& gl = webgl->gl;
|
|
|
|
////
|
|
|
|
int32_t readX, readY;
|
|
int32_t writeX, writeY;
|
|
int32_t rwWidth, rwHeight;
|
|
if (!Intersect(srcTotalWidth, xWithinSrc, dstWidth, &readX, &writeX, &rwWidth) ||
|
|
!Intersect(srcTotalHeight, yWithinSrc, dstHeight, &readY, &writeY, &rwHeight))
|
|
{
|
|
webgl->ErrorOutOfMemory("%s: Bad subrect selection.", funcName);
|
|
return false;
|
|
}
|
|
|
|
writeX += xOffset;
|
|
writeY += yOffset;
|
|
|
|
////
|
|
|
|
GLenum error = 0;
|
|
do {
|
|
const auto& idealUnpack = dstUsage->idealUnpack;
|
|
if (!isSubImage) {
|
|
UniqueBuffer buffer;
|
|
|
|
if (uint32_t(rwWidth) != dstWidth || uint32_t(rwHeight) != dstHeight) {
|
|
const auto& pi = idealUnpack->ToPacking();
|
|
CheckedUint32 byteCount = BytesPerPixel(pi);
|
|
byteCount *= dstWidth;
|
|
byteCount *= dstHeight;
|
|
|
|
if (byteCount.isValid()) {
|
|
buffer = calloc(1, byteCount.value());
|
|
}
|
|
|
|
if (!buffer.get()) {
|
|
webgl->ErrorOutOfMemory("%s: Ran out of memory allocating zeros.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
}
|
|
|
|
const ScopedUnpackReset unpackReset(webgl);
|
|
gl->fPixelStorei(LOCAL_GL_UNPACK_ALIGNMENT, 1);
|
|
error = DoTexImage(gl, target, level, idealUnpack, dstWidth, dstHeight, 1,
|
|
buffer.get());
|
|
if (error)
|
|
break;
|
|
}
|
|
|
|
if (!rwWidth || !rwHeight) {
|
|
// There aren't any pixels to copy, so we're 'done'.
|
|
return true;
|
|
}
|
|
|
|
const auto& srcFormat = srcUsage->format;
|
|
ScopedCopyTexImageSource maybeSwizzle(webgl, funcName, srcTotalWidth,
|
|
srcTotalHeight, srcFormat, dstUsage);
|
|
|
|
error = DoCopyTexSubImage(gl, target, level, writeX, writeY, zOffset, readX,
|
|
readY, rwWidth, rwHeight);
|
|
if (error)
|
|
break;
|
|
|
|
return true;
|
|
} while (false);
|
|
|
|
if (error == LOCAL_GL_OUT_OF_MEMORY) {
|
|
webgl->ErrorOutOfMemory("%s: Ran out of memory during texture copy.", funcName);
|
|
return false;
|
|
}
|
|
|
|
if (gl->IsANGLE() && error == LOCAL_GL_INVALID_OPERATION) {
|
|
webgl->ErrorImplementationBug("%s: ANGLE is particular about CopyTexSubImage"
|
|
" formats matching exactly.",
|
|
funcName);
|
|
return false;
|
|
}
|
|
|
|
MOZ_RELEASE_ASSERT(false, "GFX: We should have caught all other errors.");
|
|
webgl->GenerateWarning("%s: Unexpected error during texture copy. Context lost.",
|
|
funcName);
|
|
webgl->ForceLoseContext();
|
|
return false;
|
|
}
|
|
|
|
// There is no CopyTexImage3D.
|
|
void
|
|
WebGLTexture::CopyTexImage2D(TexImageTarget target, GLint level, GLenum internalFormat,
|
|
GLint x, GLint y, GLsizei rawWidth, GLsizei rawHeight,
|
|
GLint border)
|
|
{
|
|
const char funcName[] = "copyTexImage2D";
|
|
|
|
////////////////////////////////////
|
|
// Get dest info
|
|
|
|
uint32_t width, height, depth;
|
|
if (!ValidateExtents(mContext, funcName, rawWidth, rawHeight, 1, border, &width,
|
|
&height, &depth))
|
|
{
|
|
return;
|
|
}
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImageSpecification(funcName, target, level, width, height, depth,
|
|
&imageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(imageInfo);
|
|
|
|
////////////////////////////////////
|
|
// Get source info
|
|
|
|
const webgl::FormatUsageInfo* srcUsage;
|
|
uint32_t srcTotalWidth;
|
|
uint32_t srcTotalHeight;
|
|
if (!mContext->ValidateCurFBForRead(funcName, &srcUsage, &srcTotalWidth,
|
|
&srcTotalHeight))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!ValidateCopyTexImageForFeedback(funcName, level))
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Check that source and dest info are compatible
|
|
|
|
const auto& srcFormat = srcUsage->format;
|
|
const auto dstUsage = ValidateCopyDestUsage(funcName, mContext, srcFormat,
|
|
internalFormat);
|
|
if (!dstUsage)
|
|
return;
|
|
|
|
const auto& dstFormat = dstUsage->format;
|
|
if (!ValidateTargetForFormat(funcName, mContext, target, dstFormat))
|
|
return;
|
|
|
|
if (!mContext->IsWebGL2() && dstFormat->d) {
|
|
mContext->ErrorInvalidOperation("%s: Function may not be called with format %s.",
|
|
funcName, dstFormat->name);
|
|
return;
|
|
}
|
|
|
|
if (!ValidateCopyTexImageFormats(mContext, funcName, srcFormat, dstFormat))
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
mContext->gl->MakeCurrent();
|
|
mContext->OnBeforeReadCall();
|
|
|
|
const bool isSubImage = false;
|
|
if (!DoCopyTexOrSubImage(mContext, funcName, isSubImage, this, target, level, x, y,
|
|
srcTotalWidth, srcTotalHeight, srcUsage, 0, 0, 0, width,
|
|
height, dstUsage))
|
|
{
|
|
return;
|
|
}
|
|
|
|
mContext->OnDataAllocCall();
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data.
|
|
|
|
const bool isDataInitialized = true;
|
|
const ImageInfo newImageInfo(dstUsage, width, height, depth, isDataInitialized);
|
|
SetImageInfo(funcName, imageInfo, newImageInfo);
|
|
}
|
|
|
|
void
|
|
WebGLTexture::CopyTexSubImage(const char* funcName, TexImageTarget target, GLint level,
|
|
GLint xOffset, GLint yOffset, GLint zOffset, GLint x,
|
|
GLint y, GLsizei rawWidth, GLsizei rawHeight)
|
|
{
|
|
uint32_t width, height, depth;
|
|
if (!ValidateExtents(mContext, funcName, rawWidth, rawHeight, 1, 0, &width,
|
|
&height, &depth))
|
|
{
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Get dest info
|
|
|
|
WebGLTexture::ImageInfo* imageInfo;
|
|
if (!ValidateTexImageSelection(funcName, target, level, xOffset, yOffset, zOffset,
|
|
width, height, depth, &imageInfo))
|
|
{
|
|
return;
|
|
}
|
|
MOZ_ASSERT(imageInfo);
|
|
|
|
auto dstUsage = imageInfo->mFormat;
|
|
MOZ_ASSERT(dstUsage);
|
|
|
|
auto dstFormat = dstUsage->format;
|
|
if (!mContext->IsWebGL2() && dstFormat->d) {
|
|
mContext->ErrorInvalidOperation("%s: Function may not be called on a texture of"
|
|
" format %s.",
|
|
funcName, dstFormat->name);
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Get source info
|
|
|
|
const webgl::FormatUsageInfo* srcUsage;
|
|
uint32_t srcTotalWidth;
|
|
uint32_t srcTotalHeight;
|
|
if (!mContext->ValidateCurFBForRead(funcName, &srcUsage, &srcTotalWidth,
|
|
&srcTotalHeight))
|
|
{
|
|
return;
|
|
}
|
|
|
|
if (!ValidateCopyTexImageForFeedback(funcName, level, zOffset))
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Check that source and dest info are compatible
|
|
|
|
auto srcFormat = srcUsage->format;
|
|
if (!ValidateCopyTexImageFormats(mContext, funcName, srcFormat, dstFormat))
|
|
return;
|
|
|
|
////////////////////////////////////
|
|
// Do the thing!
|
|
|
|
mContext->gl->MakeCurrent();
|
|
mContext->OnBeforeReadCall();
|
|
|
|
bool uploadWillInitialize;
|
|
if (!EnsureImageDataInitializedForUpload(this, funcName, target, level, xOffset,
|
|
yOffset, zOffset, width, height, depth,
|
|
imageInfo, &uploadWillInitialize))
|
|
{
|
|
return;
|
|
}
|
|
|
|
const bool isSubImage = true;
|
|
if (!DoCopyTexOrSubImage(mContext, funcName, isSubImage, this, target, level, x, y,
|
|
srcTotalWidth, srcTotalHeight, srcUsage, xOffset, yOffset,
|
|
zOffset, width, height, dstUsage))
|
|
{
|
|
return;
|
|
}
|
|
|
|
////////////////////////////////////
|
|
// Update our specification data?
|
|
|
|
if (uploadWillInitialize) {
|
|
imageInfo->SetIsDataInitialized(true, this);
|
|
}
|
|
}
|
|
|
|
} // namespace mozilla
|