| /* |
| * Copyright (C) 2009, 2014-2019 Apple Inc. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY |
| * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| */ |
| |
| #pragma once |
| |
| #if ENABLE(WEBGL) && USE(ANGLE) |
| |
| #include "ANGLEUtilities.h" |
| #include "GraphicsContextGL.h" |
| #include "GraphicsContextGLState.h" |
| #include <memory> |
| #include <wtf/ListHashSet.h> |
| |
| #if PLATFORM(COCOA) |
| #include "GraphicsContextGLIOSurfaceSwapChain.h" |
| #include "IOSurface.h" |
| #include "ProcessIdentity.h" |
| #endif |
| |
| namespace WebCore { |
| |
| // Base class for GraphicsContextGL contexts that use ANGLE. |
| class WEBCORE_EXPORT GraphicsContextGLANGLE : public GraphicsContextGL { |
| public: |
| virtual ~GraphicsContextGLANGLE(); |
| |
| GCGLDisplay platformDisplay() const; |
| GCGLConfig platformConfig() const; |
| GCGLenum drawingBufferTextureTarget(); |
| static GCGLenum drawingBufferTextureTargetQueryForDrawingTarget(GCGLenum drawingTarget); |
| static GCGLint EGLDrawingBufferTextureTargetForDrawingTarget(GCGLenum drawingTarget); |
| enum class ReleaseThreadResourceBehavior { |
| // Releases current context after GraphicsContextGLANGLE calls done in the thread. |
| ReleaseCurrentContext, |
| // Releases all thread resources after GraphicsContextGLANGLE calls done in the thread. |
| ReleaseThreadResources, |
| // Releases all global state. Should be used only after all depending objects have |
| // been released. |
| TerminateAndReleaseThreadResources |
| }; |
| static bool releaseThreadResources(ReleaseThreadResourceBehavior); |
| |
| // Get an attribute location without checking the name -> mangledname mapping. |
| int getAttribLocationDirect(PlatformGLObject program, const String& name); |
| |
| // Compile a shader without going through ANGLE. |
| void compileShaderDirect(PlatformGLObject); |
| |
| // Equivalent to ::glTexImage2D(). Allows pixels==0 with no allocation. |
| void texImage2DDirect(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLenum format, GCGLenum type, const void* pixels); |
| |
| // GraphicsContextGL overrides. |
| bool isGLES2Compliant() const final; |
| void activeTexture(GCGLenum texture) final; |
| void attachShader(PlatformGLObject program, PlatformGLObject shader) final; |
| void bindAttribLocation(PlatformGLObject, GCGLuint index, const String& name) final; |
| void bindBuffer(GCGLenum target, PlatformGLObject) final; |
| void bindFramebuffer(GCGLenum target, PlatformGLObject) final; |
| void bindRenderbuffer(GCGLenum target, PlatformGLObject) final; |
| void bindTexture(GCGLenum target, PlatformGLObject) final; |
| void blendColor(GCGLclampf red, GCGLclampf green, GCGLclampf blue, GCGLclampf alpha) final; |
| void blendEquation(GCGLenum mode) final; |
| void blendEquationSeparate(GCGLenum modeRGB, GCGLenum modeAlpha) final; |
| void blendFunc(GCGLenum sfactor, GCGLenum dfactor) final; |
| void blendFuncSeparate(GCGLenum srcRGB, GCGLenum dstRGB, GCGLenum srcAlpha, GCGLenum dstAlpha) final; |
| void bufferData(GCGLenum target, GCGLsizeiptr, GCGLenum usage) final; |
| void bufferData(GCGLenum target, GCGLSpan<const GCGLvoid> data, GCGLenum usage) final; |
| void bufferSubData(GCGLenum target, GCGLintptr offset, GCGLSpan<const GCGLvoid> data) final; |
| GCGLenum checkFramebufferStatus(GCGLenum target) final; |
| void clear(GCGLbitfield mask) final; |
| void clearColor(GCGLclampf red, GCGLclampf green, GCGLclampf blue, GCGLclampf alpha) final; |
| void clearDepth(GCGLclampf depth) final; |
| void clearStencil(GCGLint s) final; |
| void colorMask(GCGLboolean red, GCGLboolean green, GCGLboolean blue, GCGLboolean alpha) final; |
| void compileShader(PlatformGLObject) final; |
| void copyTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLint border) final; |
| void copyTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) final; |
| void cullFace(GCGLenum mode) final; |
| void depthFunc(GCGLenum func) final; |
| void depthMask(GCGLboolean flag) final; |
| void depthRange(GCGLclampf zNear, GCGLclampf zFar) final; |
| void detachShader(PlatformGLObject, PlatformGLObject) final; |
| void disable(GCGLenum cap) final; |
| void disableVertexAttribArray(GCGLuint index) final; |
| void drawArrays(GCGLenum mode, GCGLint first, GCGLsizei count) final; |
| void drawElements(GCGLenum mode, GCGLsizei count, GCGLenum type, GCGLintptr offset) final; |
| void enable(GCGLenum cap) final; |
| void enableVertexAttribArray(GCGLuint index) final; |
| void finish() final; |
| void flush() final; |
| void framebufferRenderbuffer(GCGLenum target, GCGLenum attachment, GCGLenum renderbuffertarget, PlatformGLObject) final; |
| void framebufferTexture2D(GCGLenum target, GCGLenum attachment, GCGLenum textarget, PlatformGLObject, GCGLint level) final; |
| void frontFace(GCGLenum mode) final; |
| void generateMipmap(GCGLenum target) final; |
| bool getActiveAttrib(PlatformGLObject program, GCGLuint index, ActiveInfo&) final; |
| bool getActiveAttribImpl(PlatformGLObject program, GCGLuint index, ActiveInfo&); |
| bool getActiveUniform(PlatformGLObject program, GCGLuint index, ActiveInfo&) final; |
| bool getActiveUniformImpl(PlatformGLObject program, GCGLuint index, ActiveInfo&); |
| void getAttachedShaders(PlatformGLObject program, GCGLsizei maxCount, GCGLsizei* count, PlatformGLObject* shaders); |
| GCGLint getAttribLocation(PlatformGLObject, const String& name) final; |
| void getBooleanv(GCGLenum pname, GCGLSpan<GCGLboolean> value) final; |
| GCGLint getBufferParameteri(GCGLenum target, GCGLenum pname) final; |
| GCGLenum getError() final; |
| void getFloatv(GCGLenum pname, GCGLSpan<GCGLfloat> value) final; |
| GCGLint getFramebufferAttachmentParameteri(GCGLenum target, GCGLenum attachment, GCGLenum pname) final; |
| void getIntegerv(GCGLenum pname, GCGLSpan<GCGLint> value) final; |
| void getIntegeri_v(GCGLenum pname, GCGLuint index, GCGLSpan<GCGLint, 4> value) final; // NOLINT |
| GCGLint64 getInteger64(GCGLenum pname) final; |
| GCGLint64 getInteger64i(GCGLenum pname, GCGLuint index) final; |
| GCGLint getProgrami(PlatformGLObject program, GCGLenum pname) final; |
| String getProgramInfoLog(PlatformGLObject) final; |
| String getUnmangledInfoLog(PlatformGLObject[2], GCGLsizei, const String&); |
| GCGLint getRenderbufferParameteri(GCGLenum target, GCGLenum pname) final; |
| GCGLint getShaderi(PlatformGLObject, GCGLenum pname) final; |
| String getShaderInfoLog(PlatformGLObject) final; |
| void getShaderPrecisionFormat(GCGLenum shaderType, GCGLenum precisionType, GCGLSpan<GCGLint, 2> range, GCGLint* precision) final; |
| String getShaderSource(PlatformGLObject) final; |
| String getString(GCGLenum name) final; |
| GCGLfloat getTexParameterf(GCGLenum target, GCGLenum pname) final; |
| GCGLint getTexParameteri(GCGLenum target, GCGLenum pname) final; |
| void getUniformfv(PlatformGLObject program, GCGLint location, GCGLSpan<GCGLfloat> value) final; |
| void getUniformiv(PlatformGLObject program, GCGLint location, GCGLSpan<GCGLint> value) final; |
| void getUniformuiv(PlatformGLObject program, GCGLint location, GCGLSpan<GCGLuint> value) final; |
| GCGLint getUniformLocation(PlatformGLObject, const String& name) final; |
| GCGLsizeiptr getVertexAttribOffset(GCGLuint index, GCGLenum pname) final; |
| void hint(GCGLenum target, GCGLenum mode) final; |
| GCGLboolean isBuffer(PlatformGLObject) final; |
| GCGLboolean isEnabled(GCGLenum cap) final; |
| GCGLboolean isFramebuffer(PlatformGLObject) final; |
| GCGLboolean isProgram(PlatformGLObject) final; |
| GCGLboolean isRenderbuffer(PlatformGLObject) final; |
| GCGLboolean isShader(PlatformGLObject) final; |
| GCGLboolean isTexture(PlatformGLObject) final; |
| void lineWidth(GCGLfloat) final; |
| void linkProgram(PlatformGLObject) final; |
| void pixelStorei(GCGLenum pname, GCGLint param) final; |
| void polygonOffset(GCGLfloat factor, GCGLfloat units) final; |
| void readnPixels(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLSpan<GCGLvoid> data) final; |
| void readnPixels(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLintptr offset) final; |
| void renderbufferStorage(GCGLenum target, GCGLenum internalformat, GCGLsizei width, GCGLsizei height) final; |
| void sampleCoverage(GCGLclampf value, GCGLboolean invert) final; |
| void scissor(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) final; |
| void shaderSource(PlatformGLObject, const String&) final; |
| void stencilFunc(GCGLenum func, GCGLint ref, GCGLuint mask) final; |
| void stencilFuncSeparate(GCGLenum face, GCGLenum func, GCGLint ref, GCGLuint mask) final; |
| void stencilMask(GCGLuint mask) final; |
| void stencilMaskSeparate(GCGLenum face, GCGLuint mask) final; |
| void stencilOp(GCGLenum fail, GCGLenum zfail, GCGLenum zpass) final; |
| void stencilOpSeparate(GCGLenum face, GCGLenum fail, GCGLenum zfail, GCGLenum zpass) final; |
| void texImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLenum format, GCGLenum type, GCGLSpan<const GCGLvoid> pixels) final; |
| void texImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLenum format, GCGLenum type, GCGLintptr offset) final; |
| void texSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLSpan<const GCGLvoid> pixels) final; |
| void texSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLintptr offset) final; |
| void compressedTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLsizei imageSize, GCGLSpan<const GCGLvoid> data) final; |
| void compressedTexImage2D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLint border, GCGLsizei imageSize, GCGLintptr offset) final; |
| void compressedTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLsizei imageSize, GCGLSpan<const GCGLvoid> data) final; |
| void compressedTexSubImage2D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLsizei imageSize, GCGLintptr offset) final; |
| void texParameterf(GCGLenum target, GCGLenum pname, GCGLfloat param) final; |
| void texParameteri(GCGLenum target, GCGLenum pname, GCGLint param) final; |
| void uniform1f(GCGLint location, GCGLfloat x) final; |
| void uniform1fv(GCGLint location, GCGLSpan<const GCGLfloat> v) final; |
| void uniform1i(GCGLint location, GCGLint x) final; |
| void uniform1iv(GCGLint location, GCGLSpan<const GCGLint> v) final; |
| void uniform2f(GCGLint location, GCGLfloat x, GCGLfloat y) final; |
| void uniform2fv(GCGLint location, GCGLSpan<const GCGLfloat> v) final; |
| void uniform2i(GCGLint location, GCGLint x, GCGLint y) final; |
| void uniform2iv(GCGLint location, GCGLSpan<const GCGLint> v) final; |
| void uniform3f(GCGLint location, GCGLfloat x, GCGLfloat y, GCGLfloat z) final; |
| void uniform3fv(GCGLint location, GCGLSpan<const GCGLfloat> v) final; |
| void uniform3i(GCGLint location, GCGLint x, GCGLint y, GCGLint z) final; |
| void uniform3iv(GCGLint location, GCGLSpan<const GCGLint> v) final; |
| void uniform4f(GCGLint location, GCGLfloat x, GCGLfloat y, GCGLfloat z, GCGLfloat w) final; |
| void uniform4fv(GCGLint location, GCGLSpan<const GCGLfloat> v) final; |
| void uniform4i(GCGLint location, GCGLint x, GCGLint y, GCGLint z, GCGLint w) final; |
| void uniform4iv(GCGLint location, GCGLSpan<const GCGLint> v) final; |
| void uniformMatrix2fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> value) final; |
| void uniformMatrix3fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> value) final; |
| void uniformMatrix4fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> value) final; |
| void useProgram(PlatformGLObject) final; |
| void validateProgram(PlatformGLObject) final; |
| void vertexAttrib1f(GCGLuint index, GCGLfloat x) final; |
| void vertexAttrib1fv(GCGLuint index, GCGLSpan<const GCGLfloat, 1> values) final; |
| void vertexAttrib2f(GCGLuint index, GCGLfloat x, GCGLfloat y) final; |
| void vertexAttrib2fv(GCGLuint index, GCGLSpan<const GCGLfloat, 2> values) final; |
| void vertexAttrib3f(GCGLuint index, GCGLfloat x, GCGLfloat y, GCGLfloat z) final; |
| void vertexAttrib3fv(GCGLuint index, GCGLSpan<const GCGLfloat, 3> values) final; |
| void vertexAttrib4f(GCGLuint index, GCGLfloat x, GCGLfloat y, GCGLfloat z, GCGLfloat w) final; |
| void vertexAttrib4fv(GCGLuint index, GCGLSpan<const GCGLfloat, 4> values) final; |
| void vertexAttribPointer(GCGLuint index, GCGLint size, GCGLenum type, GCGLboolean normalized, GCGLsizei stride, GCGLintptr offset) final; |
| void viewport(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) final; |
| void reshape(int width, int height) final; |
| void drawArraysInstanced(GCGLenum mode, GCGLint first, GCGLsizei count, GCGLsizei primcount) final; |
| void drawElementsInstanced(GCGLenum mode, GCGLsizei count, GCGLenum type, GCGLintptr offset, GCGLsizei primcount) final; |
| void vertexAttribDivisor(GCGLuint index, GCGLuint divisor) final; |
| PlatformGLObject createVertexArray() final; |
| void deleteVertexArray(PlatformGLObject) final; |
| GCGLboolean isVertexArray(PlatformGLObject) final; |
| void bindVertexArray(PlatformGLObject) final; |
| void copyBufferSubData(GCGLenum readTarget, GCGLenum writeTarget, GCGLintptr readOffset, GCGLintptr writeOffset, GCGLsizeiptr) final; |
| void getBufferSubData(GCGLenum target, GCGLintptr offset, GCGLSpan<GCGLvoid> data) final; |
| void blitFramebuffer(GCGLint srcX0, GCGLint srcY0, GCGLint srcX1, GCGLint srcY1, GCGLint dstX0, GCGLint dstY0, GCGLint dstX1, GCGLint dstY1, GCGLbitfield mask, GCGLenum filter) final; |
| void framebufferTextureLayer(GCGLenum target, GCGLenum attachment, PlatformGLObject texture, GCGLint level, GCGLint layer) final; |
| void invalidateFramebuffer(GCGLenum target, GCGLSpan<const GCGLenum> attachments) final; |
| void invalidateSubFramebuffer(GCGLenum target, GCGLSpan<const GCGLenum> attachments, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) final; |
| void readBuffer(GCGLenum src) final; |
| void getInternalformativ(GCGLenum target, GCGLenum internalformat, GCGLenum pname, GCGLSpan<GCGLint> data) final; |
| void renderbufferStorageMultisample(GCGLenum target, GCGLsizei samples, GCGLenum internalformat, GCGLsizei width, GCGLsizei height) final; |
| void texStorage2D(GCGLenum target, GCGLsizei levels, GCGLenum internalformat, GCGLsizei width, GCGLsizei height) final; |
| void texStorage3D(GCGLenum target, GCGLsizei levels, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth) final; |
| void texImage3D(GCGLenum target, GCGLint level, GCGLint internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLenum format, GCGLenum type, GCGLSpan<const GCGLvoid> pixels) final; |
| void texImage3D(GCGLenum target, GCGLint level, GCGLint internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLenum format, GCGLenum type, GCGLintptr offset) final; |
| void texSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLenum type, GCGLSpan<const GCGLvoid> pixels) final; |
| void texSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLenum type, GCGLintptr offset) final; |
| void copyTexSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height) final; |
| void compressedTexImage3D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLsizei imageSize, GCGLSpan<const GCGLvoid> data) final; |
| void compressedTexImage3D(GCGLenum target, GCGLint level, GCGLenum internalformat, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLint border, GCGLsizei imageSize, GCGLintptr offset) final; |
| void compressedTexSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLsizei imageSize, GCGLSpan<const GCGLvoid> data) final; |
| void compressedTexSubImage3D(GCGLenum target, GCGLint level, GCGLint xoffset, GCGLint yoffset, GCGLint zoffset, GCGLsizei width, GCGLsizei height, GCGLsizei depth, GCGLenum format, GCGLsizei imageSize, GCGLintptr offset) final; |
| GCGLint getFragDataLocation(PlatformGLObject program, const String& name) final; |
| void uniform1ui(GCGLint location, GCGLuint v0) final; |
| void uniform2ui(GCGLint location, GCGLuint v0, GCGLuint v1) final; |
| void uniform3ui(GCGLint location, GCGLuint v0, GCGLuint v1, GCGLuint v2) final; |
| void uniform4ui(GCGLint location, GCGLuint v0, GCGLuint v1, GCGLuint v2, GCGLuint v3) final; |
| void uniform1uiv(GCGLint location, GCGLSpan<const GCGLuint>) final; |
| void uniform2uiv(GCGLint location, GCGLSpan<const GCGLuint>) final; |
| void uniform3uiv(GCGLint location, GCGLSpan<const GCGLuint>) final; |
| void uniform4uiv(GCGLint location, GCGLSpan<const GCGLuint>) final; |
| void uniformMatrix2x3fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> data) final; |
| void uniformMatrix3x2fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> data) final; |
| void uniformMatrix2x4fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> data) final; |
| void uniformMatrix4x2fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> data) final; |
| void uniformMatrix3x4fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> data) final; |
| void uniformMatrix4x3fv(GCGLint location, GCGLboolean transpose, GCGLSpan<const GCGLfloat> data) final; |
| void vertexAttribI4i(GCGLuint index, GCGLint x, GCGLint y, GCGLint z, GCGLint w) final; |
| void vertexAttribI4iv(GCGLuint index, GCGLSpan<const GCGLint, 4> values) final; |
| void vertexAttribI4ui(GCGLuint index, GCGLuint x, GCGLuint y, GCGLuint z, GCGLuint w) final; |
| void vertexAttribI4uiv(GCGLuint index, GCGLSpan<const GCGLuint, 4> values) final; |
| void vertexAttribIPointer(GCGLuint index, GCGLint size, GCGLenum type, GCGLsizei stride, GCGLintptr offset) final; |
| void drawRangeElements(GCGLenum mode, GCGLuint start, GCGLuint end, GCGLsizei count, GCGLenum type, GCGLintptr offset) final; |
| void drawBuffers(GCGLSpan<const GCGLenum> bufs) final; |
| void clearBufferiv(GCGLenum buffer, GCGLint drawbuffer, GCGLSpan<const GCGLint> values) final; |
| void clearBufferuiv(GCGLenum buffer, GCGLint drawbuffer, GCGLSpan<const GCGLuint> values) final; |
| void clearBufferfv(GCGLenum buffer, GCGLint drawbuffer, GCGLSpan<const GCGLfloat> values) final; |
| void clearBufferfi(GCGLenum buffer, GCGLint drawbuffer, GCGLfloat depth, GCGLint stencil) final; |
| PlatformGLObject createQuery() final; |
| void deleteQuery(PlatformGLObject query) final; |
| GCGLboolean isQuery(PlatformGLObject query) final; |
| void beginQuery(GCGLenum target, PlatformGLObject query) final; |
| void endQuery(GCGLenum target) final; |
| PlatformGLObject getQuery(GCGLenum target, GCGLenum pname) final; |
| GCGLuint getQueryObjectui(PlatformGLObject query, GCGLenum pname) final; |
| PlatformGLObject createSampler() final; |
| void deleteSampler(PlatformGLObject sampler) final; |
| GCGLboolean isSampler(PlatformGLObject sampler) final; |
| void bindSampler(GCGLuint unit, PlatformGLObject sampler) final; |
| void samplerParameteri(PlatformGLObject sampler, GCGLenum pname, GCGLint param) final; |
| void samplerParameterf(PlatformGLObject sampler, GCGLenum pname, GCGLfloat param) final; |
| GCGLfloat getSamplerParameterf(PlatformGLObject sampler, GCGLenum pname) final; |
| GCGLint getSamplerParameteri(PlatformGLObject sampler, GCGLenum pname) final; |
| GCGLsync fenceSync(GCGLenum condition, GCGLbitfield flags) final; |
| GCGLboolean isSync(GCGLsync) final; |
| void deleteSync(GCGLsync) final; |
| GCGLenum clientWaitSync(GCGLsync, GCGLbitfield flags, GCGLuint64 timeout) final; |
| void waitSync(GCGLsync, GCGLbitfield flags, GCGLint64 timeout) final; |
| GCGLint getSynci(GCGLsync, GCGLenum pname) final; |
| PlatformGLObject createTransformFeedback() final; |
| void deleteTransformFeedback(PlatformGLObject id) final; |
| GCGLboolean isTransformFeedback(PlatformGLObject id) final; |
| void bindTransformFeedback(GCGLenum target, PlatformGLObject id) final; |
| void beginTransformFeedback(GCGLenum primitiveMode) final; |
| void endTransformFeedback() final; |
| void transformFeedbackVaryings(PlatformGLObject program, const Vector<String>& varyings, GCGLenum bufferMode) final; |
| void getTransformFeedbackVarying(PlatformGLObject program, GCGLuint index, ActiveInfo&) final; |
| void pauseTransformFeedback() final; |
| void resumeTransformFeedback() final; |
| void bindBufferBase(GCGLenum target, GCGLuint index, PlatformGLObject buffer) final; |
| void bindBufferRange(GCGLenum target, GCGLuint index, PlatformGLObject buffer, GCGLintptr offset, GCGLsizeiptr) final; |
| Vector<GCGLuint> getUniformIndices(PlatformGLObject program, const Vector<String>& uniformNames) final; |
| Vector<GCGLint> getActiveUniforms(PlatformGLObject program, const Vector<GCGLuint>& uniformIndices, GCGLenum pname) final; |
| GCGLuint getUniformBlockIndex(PlatformGLObject program, const String& uniformBlockName) final; |
| String getActiveUniformBlockName(PlatformGLObject program, GCGLuint uniformBlockIndex) final; |
| void uniformBlockBinding(PlatformGLObject program, GCGLuint uniformBlockIndex, GCGLuint uniformBlockBinding) final; |
| void getActiveUniformBlockiv(GCGLuint program, GCGLuint uniformBlockIndex, GCGLenum pname, GCGLSpan<GCGLint> params) final; |
| void multiDrawArraysANGLE(GCGLenum mode, GCGLSpanTuple<const GCGLint, const GCGLsizei> firstsAndCounts) final; |
| void multiDrawArraysInstancedANGLE(GCGLenum mode, GCGLSpanTuple<const GCGLint, const GCGLsizei, const GCGLsizei> firstsCountsAndInstanceCounts) final; |
| void multiDrawElementsANGLE(GCGLenum mode, GCGLSpanTuple<const GCGLsizei, const GCGLint> countsAndOffsets, GCGLenum type) final; |
| void multiDrawElementsInstancedANGLE(GCGLenum mode, GCGLSpanTuple<const GCGLsizei, const GCGLint, const GCGLsizei> countsOffsetsAndInstanceCounts, GCGLenum type) final; |
| bool supportsExtension(const String&) override; |
| void ensureExtensionEnabled(const String&) override; |
| bool isExtensionEnabled(const String&) override; |
| void drawBuffersEXT(GCGLSpan<const GCGLenum>) override; |
| String getTranslatedShaderSourceANGLE(PlatformGLObject) override; |
| void enableiOES(GCGLenum target, GCGLuint index) final; |
| void disableiOES(GCGLenum target, GCGLuint index) final; |
| void blendEquationiOES(GCGLuint buf, GCGLenum mode) final; |
| void blendEquationSeparateiOES(GCGLuint buf, GCGLenum modeRGB, GCGLenum modeAlpha) final; |
| void blendFunciOES(GCGLuint buf, GCGLenum src, GCGLenum dst) final; |
| void blendFuncSeparateiOES(GCGLuint buf, GCGLenum srcRGB, GCGLenum dstRGB, GCGLenum srcAlpha, GCGLenum dstAlpha) final; |
| void colorMaskiOES(GCGLuint buf, GCGLboolean red, GCGLboolean green, GCGLboolean blue, GCGLboolean alpha) final; |
| |
| PlatformGLObject createBuffer() final; |
| PlatformGLObject createFramebuffer() final; |
| PlatformGLObject createProgram() final; |
| PlatformGLObject createRenderbuffer() final; |
| PlatformGLObject createShader(GCGLenum) final; |
| PlatformGLObject createTexture() final; |
| void deleteBuffer(PlatformGLObject) final; |
| void deleteFramebuffer(PlatformGLObject) final; |
| void deleteProgram(PlatformGLObject) final; |
| void deleteRenderbuffer(PlatformGLObject) final; |
| void deleteShader(PlatformGLObject) final; |
| void deleteTexture(PlatformGLObject) final; |
| void synthesizeGLError(GCGLenum error) final; |
| bool moveErrorsToSyntheticErrorList() final; |
| void simulateEventForTesting(SimulatedEventForTesting) override; |
| void paintRenderingResultsToCanvas(ImageBuffer&) final; |
| RefPtr<PixelBuffer> paintRenderingResultsToPixelBuffer() final; |
| void paintCompositedResultsToCanvas(ImageBuffer&) final; |
| |
| RefPtr<PixelBuffer> readRenderingResultsForPainting(); |
| RefPtr<PixelBuffer> readCompositedResultsForPainting(); |
| |
| protected: |
| GraphicsContextGLANGLE(GraphicsContextGLAttributes); |
| |
| // Called once by all the public entry points that eventually call OpenGL. |
| bool makeContextCurrent() WARN_UNUSED_RETURN; |
| |
| // Initializes the instance. Returns false if the instance should not be used. |
| bool initialize(); |
| // Called first by initialize(). Subclasses should override to instantiate the platform specific bits of EGLContext. |
| // FIXME: Currently platforms do not share the context creation. They should. |
| virtual bool platformInitializeContext(); |
| // Called last by initialize(). Subclasses should override to instantiate platform specific state that depend on |
| // the shared state. |
| virtual bool platformInitialize(); |
| |
| // Take into account the user's requested context creation attributes, |
| // in particular stencil and antialias, and determine which could or |
| // could not be honored based on the capabilities of the OpenGL |
| // implementation. |
| void validateDepthStencil(ASCIILiteral packedDepthStencilExtension); |
| void validateAttributes(); |
| |
| void readnPixelsImpl(GCGLint x, GCGLint y, GCGLsizei width, GCGLsizei height, GCGLenum format, GCGLenum type, GCGLsizei bufSize, GCGLsizei* length, GCGLsizei* columns, GCGLsizei* rows, GCGLvoid* data, bool readingToPixelBufferObject); |
| |
| // Did the most recent drawing operation leave the GPU in an acceptable state? |
| void checkGPUStatus(); |
| |
| RefPtr<PixelBuffer> readRenderingResults(); |
| RefPtr<PixelBuffer> readCompositedResults(); |
| RefPtr<PixelBuffer> readPixelsForPaintResults(); |
| |
| bool reshapeFBOs(const IntSize&); |
| virtual void prepareTexture(); |
| void resolveMultisamplingIfNecessary(const IntRect& = IntRect()); |
| void attachDepthAndStencilBufferIfNeeded(GCGLuint internalDepthStencilFormat, int width, int height); |
| #if PLATFORM(COCOA) |
| static bool makeCurrent(GCGLDisplay, GCGLContext); |
| #endif |
| virtual bool reshapeDisplayBufferBacking() = 0; |
| |
| // Returns false if context should be lost due to timeout. |
| bool waitAndUpdateOldestFrame() WARN_UNUSED_RETURN; |
| |
| // Platform specific behavior for releaseResources(); |
| static void platformReleaseThreadResources(); |
| |
| virtual void invalidateKnownTextureContent(GCGLuint); |
| |
| // Only for non-WebGL 2.0 contexts. |
| GCGLenum adjustWebGL1TextureInternalFormat(GCGLenum internalformat, GCGLenum format, GCGLenum type); |
| |
| HashSet<String> m_availableExtensions; |
| HashSet<String> m_requestableExtensions; |
| HashSet<String> m_enabledExtensions; |
| bool m_webglColorBufferFloatRGB { false }; |
| bool m_webglColorBufferFloatRGBA { false }; |
| GCGLuint m_texture { 0 }; |
| GCGLuint m_fbo { 0 }; |
| GCGLuint m_depthStencilBuffer { 0 }; |
| GCGLuint m_internalColorFormat { 0 }; |
| GCGLuint m_internalDepthStencilFormat { 0 }; |
| GCGLuint m_multisampleFBO { 0 }; |
| GCGLuint m_multisampleDepthStencilBuffer { 0 }; |
| GCGLuint m_multisampleColorBuffer { 0 }; |
| // For preserveDrawingBuffer:true without multisampling. |
| GCGLuint m_preserveDrawingBufferTexture { 0 }; |
| // Attaches m_texture when m_preserveDrawingBufferTexture is non-zero. |
| GCGLuint m_preserveDrawingBufferFBO { 0 }; |
| // Queried at display startup. |
| GCGLint m_drawingBufferTextureTarget { -1 }; |
| // Errors raised by synthesizeGLError(). |
| ListHashSet<GCGLenum> m_syntheticErrors; |
| bool m_isForWebGL2 { false }; |
| unsigned m_statusCheckCount { 0 }; |
| bool m_failNextStatusCheck { false }; |
| bool m_useFenceSyncForDisplayRateLimit = false; |
| static constexpr size_t maxPendingFrames = 3; |
| size_t m_oldestFrameCompletionFence { 0 }; |
| ScopedGLFence m_frameCompletionFences[maxPendingFrames]; |
| GraphicsContextGLState m_state; |
| |
| GCGLDisplay m_displayObj { nullptr }; |
| GCGLContext m_contextObj { nullptr }; |
| GCGLConfig m_configObj { nullptr }; |
| |
| #if PLATFORM(COCOA) |
| // FIXME: Move these to GraphicsContextGLCocoa. |
| GraphicsContextGLIOSurfaceSwapChain m_swapChain; |
| // Backing store for the the buffer which is eventually used for display. |
| // When preserveDrawingBuffer == false, this is the drawing buffer backing store. |
| // When preserveDrawingBuffer == true, this is blitted to during display prepare. |
| std::unique_ptr<IOSurface> m_displayBufferBacking; |
| void* m_displayBufferPbuffer { nullptr }; |
| #endif |
| }; |
| |
| } |
| |
| #endif |
