Index: chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc |
=================================================================== |
--- chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc (revision 78516) |
+++ chrome/renderer/webgraphicscontext3d_command_buffer_impl.cc (working copy) |
@@ -1,1023 +0,0 @@ |
-// Copyright (c) 2010 The Chromium Authors. All rights reserved. |
-// Use of this source code is governed by a BSD-style license that can be |
-// found in the LICENSE file. |
- |
-#if defined(ENABLE_GPU) |
- |
-#include "chrome/renderer/webgraphicscontext3d_command_buffer_impl.h" |
- |
-#include <GLES2/gl2.h> |
-#ifndef GL_GLEXT_PROTOTYPES |
-#define GL_GLEXT_PROTOTYPES 1 |
-#endif |
-#include <GLES2/gl2ext.h> |
- |
-#include <algorithm> |
- |
-#include "base/string_tokenizer.h" |
-#include "base/command_line.h" |
-#include "base/logging.h" |
-#include "base/metrics/histogram.h" |
-#include "chrome/common/chrome_switches.h" |
-#include "chrome/renderer/gpu_channel_host.h" |
-#include "chrome/renderer/render_thread.h" |
-#include "chrome/renderer/render_view.h" |
-#include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h" |
- |
-WebGraphicsContext3DCommandBufferImpl::WebGraphicsContext3DCommandBufferImpl() |
- : context_(NULL), |
- web_view_(NULL), |
-#if defined(OS_MACOSX) |
- plugin_handle_(NULL), |
-#endif // defined(OS_MACOSX) |
- context_lost_callback_(0), |
- cached_width_(0), |
- cached_height_(0), |
- bound_fbo_(0) { |
-} |
- |
-WebGraphicsContext3DCommandBufferImpl:: |
- ~WebGraphicsContext3DCommandBufferImpl() { |
- if (context_) { |
- ggl::DestroyContext(context_); |
- } |
-} |
- |
-static const char* kWebGraphicsContext3DPerferredGLExtensions = |
- "GL_OES_packed_depth_stencil " |
- "GL_OES_depth24 " |
- "GL_CHROMIUM_webglsl"; |
- |
-bool WebGraphicsContext3DCommandBufferImpl::initialize( |
- WebGraphicsContext3D::Attributes attributes, |
- WebKit::WebView* web_view, |
- bool render_directly_to_web_view) { |
- RenderThread* render_thread = RenderThread::current(); |
- if (!render_thread) |
- return false; |
- GpuChannelHost* host = render_thread->EstablishGpuChannelSync(); |
- if (!host) |
- return false; |
- DCHECK(host->state() == GpuChannelHost::kConnected); |
- |
- // Convert WebGL context creation attributes into GGL/EGL size requests. |
- const int alpha_size = attributes.alpha ? 8 : 0; |
- const int depth_size = attributes.depth ? 24 : 0; |
- const int stencil_size = attributes.stencil ? 8 : 0; |
- const int samples = attributes.antialias ? 4 : 0; |
- const int sample_buffers = attributes.antialias ? 1 : 0; |
- const int32 attribs[] = { |
- ggl::GGL_ALPHA_SIZE, alpha_size, |
- ggl::GGL_DEPTH_SIZE, depth_size, |
- ggl::GGL_STENCIL_SIZE, stencil_size, |
- ggl::GGL_SAMPLES, samples, |
- ggl::GGL_SAMPLE_BUFFERS, sample_buffers, |
- ggl::GGL_NONE, |
- }; |
- |
- GPUInfo gpu_info = host->gpu_info(); |
- UMA_HISTOGRAM_ENUMERATION( |
- "GPU.WebGraphicsContext3D_Init_CanLoseContext", |
- attributes.canRecoverFromContextLoss * 2 + gpu_info.can_lose_context, |
- 4); |
- if (attributes.canRecoverFromContextLoss == false) { |
- if (gpu_info.can_lose_context) |
- return false; |
- } |
- |
- if (render_directly_to_web_view) { |
- RenderView* renderview = RenderView::FromWebView(web_view); |
- if (!renderview) |
- return false; |
- |
- web_view_ = web_view; |
- context_ = ggl::CreateViewContext( |
- host, |
- renderview->routing_id(), |
- kWebGraphicsContext3DPerferredGLExtensions, |
- attribs); |
- if (context_) { |
- ggl::SetSwapBuffersCallback( |
- context_, |
- NewCallback(this, |
- &WebGraphicsContext3DCommandBufferImpl::OnSwapBuffers)); |
- } |
- } else { |
- bool compositing_enabled = !CommandLine::ForCurrentProcess()->HasSwitch( |
- switches::kDisableAcceleratedCompositing); |
- ggl::Context* parent_context = NULL; |
- // If GPU compositing is enabled we need to create a GL context that shares |
- // resources with the compositor's context. |
- if (compositing_enabled) { |
- // Asking for the WebGraphicsContext3D on the WebView will force one to |
- // be created if it doesn't already exist. When the compositor is created |
- // for the view it will use the same context. |
- WebKit::WebGraphicsContext3D* view_context = |
- web_view->graphicsContext3D(); |
- if (view_context) { |
- WebGraphicsContext3DCommandBufferImpl* context_impl = |
- static_cast<WebGraphicsContext3DCommandBufferImpl*>(view_context); |
- parent_context = context_impl->context_; |
- } |
- } |
- context_ = ggl::CreateOffscreenContext( |
- host, |
- parent_context, |
- gfx::Size(1, 1), |
- kWebGraphicsContext3DPerferredGLExtensions, |
- attribs); |
- web_view_ = NULL; |
- } |
- if (!context_) |
- return false; |
- |
- ggl::SetContextLostCallback( |
- context_, |
- NewCallback(this, |
- &WebGraphicsContext3DCommandBufferImpl::OnContextLost)); |
- |
- // TODO(gman): Remove this. |
- const CommandLine& command_line = *CommandLine::ForCurrentProcess(); |
- if (command_line.HasSwitch(switches::kDisableGLSLTranslator)) { |
- DisableShaderTranslation(context_); |
- } |
- |
- // Set attributes_ from created offscreen context. |
- { |
- attributes_ = attributes; |
- GLint alpha_bits = 0; |
- getIntegerv(GL_ALPHA_BITS, &alpha_bits); |
- attributes_.alpha = alpha_bits > 0; |
- GLint depth_bits = 0; |
- getIntegerv(GL_DEPTH_BITS, &depth_bits); |
- attributes_.depth = depth_bits > 0; |
- GLint stencil_bits = 0; |
- getIntegerv(GL_STENCIL_BITS, &stencil_bits); |
- attributes_.stencil = stencil_bits > 0; |
- GLint samples = 0; |
- getIntegerv(GL_SAMPLES, &samples); |
- attributes_.antialias = samples > 0; |
- } |
- |
- return true; |
-} |
- |
-bool WebGraphicsContext3DCommandBufferImpl::makeContextCurrent() { |
- return ggl::MakeCurrent(context_); |
-} |
- |
-int WebGraphicsContext3DCommandBufferImpl::width() { |
- return cached_width_; |
-} |
- |
-int WebGraphicsContext3DCommandBufferImpl::height() { |
- return cached_height_; |
-} |
- |
-bool WebGraphicsContext3DCommandBufferImpl::isGLES2Compliant() { |
- return true; |
-} |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::getPlatformTextureId() { |
- DCHECK(context_); |
- return ggl::GetParentTextureId(context_); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::prepareTexture() { |
- // Copies the contents of the off-screen render target into the texture |
- // used by the compositor. |
- ggl::SwapBuffers(context_); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::reshape(int width, int height) { |
- cached_width_ = width; |
- cached_height_ = height; |
- makeContextCurrent(); |
- |
- if (web_view_) { |
-#if defined(OS_MACOSX) |
- ggl::ResizeOnscreenContext(context_, gfx::Size(width, height)); |
-#else |
- glResizeCHROMIUM(width, height); |
-#endif |
- } else { |
- ggl::ResizeOffscreenContext(context_, gfx::Size(width, height)); |
- // Force a SwapBuffers to get the framebuffer to resize. |
- ggl::SwapBuffers(context_); |
- } |
- |
-#ifdef FLIP_FRAMEBUFFER_VERTICALLY |
- scanline_.reset(new uint8[width * 4]); |
-#endif // FLIP_FRAMEBUFFER_VERTICALLY |
-} |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::createCompositorTexture( |
- WGC3Dsizei width, WGC3Dsizei height) { |
- makeContextCurrent(); |
- return ggl::CreateParentTexture(context_, gfx::Size(width, height)); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteCompositorTexture( |
- WebGLId parent_texture) { |
- makeContextCurrent(); |
- ggl::DeleteParentTexture(context_, parent_texture); |
-} |
- |
-#ifdef FLIP_FRAMEBUFFER_VERTICALLY |
-void WebGraphicsContext3DCommandBufferImpl::FlipVertically( |
- uint8* framebuffer, |
- unsigned int width, |
- unsigned int height) { |
- uint8* scanline = scanline_.get(); |
- if (!scanline) |
- return; |
- unsigned int row_bytes = width * 4; |
- unsigned int count = height / 2; |
- for (unsigned int i = 0; i < count; i++) { |
- uint8* row_a = framebuffer + i * row_bytes; |
- uint8* row_b = framebuffer + (height - i - 1) * row_bytes; |
- // TODO(kbr): this is where the multiplication of the alpha |
- // channel into the color buffer will need to occur if the |
- // user specifies the "premultiplyAlpha" flag in the context |
- // creation attributes. |
- memcpy(scanline, row_b, row_bytes); |
- memcpy(row_b, row_a, row_bytes); |
- memcpy(row_a, scanline, row_bytes); |
- } |
-} |
-#endif |
- |
-bool WebGraphicsContext3DCommandBufferImpl::readBackFramebuffer( |
- unsigned char* pixels, |
- size_t buffer_size) { |
- if (buffer_size != static_cast<size_t>(4 * width() * height())) { |
- return false; |
- } |
- |
- makeContextCurrent(); |
- |
- // Earlier versions of this code used the GPU to flip the |
- // framebuffer vertically before reading it back for compositing |
- // via software. This code was quite complicated, used a lot of |
- // GPU memory, and didn't provide an obvious speedup. Since this |
- // vertical flip is only a temporary solution anyway until Chrome |
- // is fully GPU composited, it wasn't worth the complexity. |
- |
- bool mustRestoreFBO = (bound_fbo_ != 0); |
- if (mustRestoreFBO) { |
- glBindFramebuffer(GL_FRAMEBUFFER, 0); |
- } |
- glReadPixels(0, 0, cached_width_, cached_height_, |
- GL_RGBA, GL_UNSIGNED_BYTE, pixels); |
- |
- // Swizzle red and blue channels |
- // TODO(kbr): expose GL_BGRA as extension |
- for (size_t i = 0; i < buffer_size; i += 4) { |
- std::swap(pixels[i], pixels[i + 2]); |
- } |
- |
- if (mustRestoreFBO) { |
- glBindFramebuffer(GL_FRAMEBUFFER, bound_fbo_); |
- } |
- |
-#ifdef FLIP_FRAMEBUFFER_VERTICALLY |
- if (pixels) { |
- FlipVertically(pixels, cached_width_, cached_height_); |
- } |
-#endif |
- |
- return true; |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::synthesizeGLError( |
- WGC3Denum error) { |
- if (find(synthetic_errors_.begin(), synthetic_errors_.end(), error) == |
- synthetic_errors_.end()) { |
- synthetic_errors_.push_back(error); |
- } |
-} |
- |
-void* WebGraphicsContext3DCommandBufferImpl::mapBufferSubDataCHROMIUM( |
- WGC3Denum target, |
- WGC3Dintptr offset, |
- WGC3Dsizeiptr size, |
- WGC3Denum access) { |
- return glMapBufferSubDataCHROMIUM(target, offset, size, access); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::unmapBufferSubDataCHROMIUM( |
- const void* mem) { |
- return glUnmapBufferSubDataCHROMIUM(mem); |
-} |
- |
-void* WebGraphicsContext3DCommandBufferImpl::mapTexSubImage2DCHROMIUM( |
- WGC3Denum target, |
- WGC3Dint level, |
- WGC3Dint xoffset, |
- WGC3Dint yoffset, |
- WGC3Dsizei width, |
- WGC3Dsizei height, |
- WGC3Denum format, |
- WGC3Denum type, |
- WGC3Denum access) { |
- return glMapTexSubImage2DCHROMIUM( |
- target, level, xoffset, yoffset, width, height, format, type, access); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::unmapTexSubImage2DCHROMIUM( |
- const void* mem) { |
- glUnmapTexSubImage2DCHROMIUM(mem); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::copyTextureToParentTextureCHROMIUM( |
- WebGLId texture, WebGLId parentTexture) { |
- copyTextureToCompositor(texture, parentTexture); |
-} |
- |
-WebKit::WebString WebGraphicsContext3DCommandBufferImpl:: |
- getRequestableExtensionsCHROMIUM() { |
- return WebKit::WebString::fromUTF8(glGetRequestableExtensionsCHROMIUM()); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::requestExtensionCHROMIUM( |
- const char* extension) { |
- glRequestExtensionCHROMIUM(extension); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::blitFramebufferCHROMIUM( |
- WGC3Dint srcX0, WGC3Dint srcY0, WGC3Dint srcX1, WGC3Dint srcY1, |
- WGC3Dint dstX0, WGC3Dint dstY0, WGC3Dint dstX1, WGC3Dint dstY1, |
- WGC3Dbitfield mask, WGC3Denum filter) { |
- glBlitFramebufferEXT(srcX0, srcY0, srcX1, srcY1, |
- dstX0, dstY0, dstX1, dstY1, |
- mask, filter); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl:: |
- renderbufferStorageMultisampleCHROMIUM( |
- WGC3Denum target, WGC3Dsizei samples, WGC3Denum internalformat, |
- WGC3Dsizei width, WGC3Dsizei height) { |
- glRenderbufferStorageMultisampleEXT(target, samples, internalformat, |
- width, height); |
-} |
- |
-// Helper macros to reduce the amount of code. |
- |
-#define DELEGATE_TO_GL(name, glname) \ |
-void WebGraphicsContext3DCommandBufferImpl::name() { \ |
- makeContextCurrent(); \ |
- gl##glname(); \ |
-} |
- |
-#define DELEGATE_TO_GL_1(name, glname, t1) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1); \ |
-} |
- |
-#define DELEGATE_TO_GL_1R(name, glname, t1, rt) \ |
-rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
- makeContextCurrent(); \ |
- return gl##glname(a1); \ |
-} |
- |
-#define DELEGATE_TO_GL_1RB(name, glname, t1, rt) \ |
-rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1) { \ |
- makeContextCurrent(); \ |
- return gl##glname(a1) ? true : false; \ |
-} |
- |
-#define DELEGATE_TO_GL_2(name, glname, t1, t2) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2); \ |
-} |
- |
-#define DELEGATE_TO_GL_2R(name, glname, t1, t2, rt) \ |
-rt WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2) { \ |
- makeContextCurrent(); \ |
- return gl##glname(a1, a2); \ |
-} |
- |
-#define DELEGATE_TO_GL_3(name, glname, t1, t2, t3) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3); \ |
-} |
- |
-#define DELEGATE_TO_GL_4(name, glname, t1, t2, t3, t4) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, t4 a4) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3, a4); \ |
-} |
- |
-#define DELEGATE_TO_GL_5(name, glname, t1, t2, t3, t4, t5) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
- t4 a4, t5 a5) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3, a4, a5); \ |
-} |
- |
-#define DELEGATE_TO_GL_6(name, glname, t1, t2, t3, t4, t5, t6) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
- t4 a4, t5 a5, t6 a6) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3, a4, a5, a6); \ |
-} |
- |
-#define DELEGATE_TO_GL_7(name, glname, t1, t2, t3, t4, t5, t6, t7) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
- t4 a4, t5 a5, t6 a6, t7 a7) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3, a4, a5, a6, a7); \ |
-} |
- |
-#define DELEGATE_TO_GL_8(name, glname, t1, t2, t3, t4, t5, t6, t7, t8) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
- t4 a4, t5 a5, t6 a6, \ |
- t7 a7, t8 a8) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3, a4, a5, a6, a7, a8); \ |
-} |
- |
-#define DELEGATE_TO_GL_9(name, glname, t1, t2, t3, t4, t5, t6, t7, t8, t9) \ |
-void WebGraphicsContext3DCommandBufferImpl::name(t1 a1, t2 a2, t3 a3, \ |
- t4 a4, t5 a5, t6 a6, \ |
- t7 a7, t8 a8, t9 a9) { \ |
- makeContextCurrent(); \ |
- gl##glname(a1, a2, a3, a4, a5, a6, a7, a8, a9); \ |
-} |
- |
-DELEGATE_TO_GL_1(activeTexture, ActiveTexture, WGC3Denum) |
- |
-DELEGATE_TO_GL_2(attachShader, AttachShader, WebGLId, WebGLId) |
- |
-DELEGATE_TO_GL_3(bindAttribLocation, BindAttribLocation, WebGLId, |
- WGC3Duint, const WGC3Dchar*) |
- |
-DELEGATE_TO_GL_2(bindBuffer, BindBuffer, WGC3Denum, WebGLId) |
- |
-void WebGraphicsContext3DCommandBufferImpl::bindFramebuffer( |
- WGC3Denum target, |
- WebGLId framebuffer) { |
- makeContextCurrent(); |
- glBindFramebuffer(target, framebuffer); |
- bound_fbo_ = framebuffer; |
-} |
- |
-DELEGATE_TO_GL_2(bindRenderbuffer, BindRenderbuffer, WGC3Denum, WebGLId) |
- |
-DELEGATE_TO_GL_2(bindTexture, BindTexture, WGC3Denum, WebGLId) |
- |
-DELEGATE_TO_GL_4(blendColor, BlendColor, |
- WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) |
- |
-DELEGATE_TO_GL_1(blendEquation, BlendEquation, WGC3Denum) |
- |
-DELEGATE_TO_GL_2(blendEquationSeparate, BlendEquationSeparate, |
- WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_2(blendFunc, BlendFunc, WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_4(blendFuncSeparate, BlendFuncSeparate, |
- WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_4(bufferData, BufferData, |
- WGC3Denum, WGC3Dsizeiptr, const void*, WGC3Denum) |
- |
-DELEGATE_TO_GL_4(bufferSubData, BufferSubData, |
- WGC3Denum, WGC3Dintptr, WGC3Dsizeiptr, const void*) |
- |
-DELEGATE_TO_GL_1R(checkFramebufferStatus, CheckFramebufferStatus, |
- WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_1(clear, Clear, WGC3Dbitfield) |
- |
-DELEGATE_TO_GL_4(clearColor, ClearColor, |
- WGC3Dclampf, WGC3Dclampf, WGC3Dclampf, WGC3Dclampf) |
- |
-DELEGATE_TO_GL_1(clearDepth, ClearDepthf, WGC3Dclampf) |
- |
-DELEGATE_TO_GL_1(clearStencil, ClearStencil, WGC3Dint) |
- |
-DELEGATE_TO_GL_4(colorMask, ColorMask, |
- WGC3Dboolean, WGC3Dboolean, WGC3Dboolean, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1(compileShader, CompileShader, WebGLId) |
- |
-DELEGATE_TO_GL_8(copyTexImage2D, CopyTexImage2D, |
- WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dint, WGC3Dint, |
- WGC3Dsizei, WGC3Dsizei, WGC3Dint) |
- |
-DELEGATE_TO_GL_8(copyTexSubImage2D, CopyTexSubImage2D, |
- WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint, |
- WGC3Dsizei, WGC3Dsizei) |
- |
-DELEGATE_TO_GL_1(cullFace, CullFace, WGC3Denum) |
- |
-DELEGATE_TO_GL_1(depthFunc, DepthFunc, WGC3Denum) |
- |
-DELEGATE_TO_GL_1(depthMask, DepthMask, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_2(depthRange, DepthRangef, WGC3Dclampf, WGC3Dclampf) |
- |
-DELEGATE_TO_GL_2(detachShader, DetachShader, WebGLId, WebGLId) |
- |
-DELEGATE_TO_GL_1(disable, Disable, WGC3Denum) |
- |
-DELEGATE_TO_GL_1(disableVertexAttribArray, DisableVertexAttribArray, |
- WGC3Duint) |
- |
-DELEGATE_TO_GL_3(drawArrays, DrawArrays, WGC3Denum, WGC3Dint, WGC3Dsizei) |
- |
-void WebGraphicsContext3DCommandBufferImpl::drawElements(WGC3Denum mode, |
- WGC3Dsizei count, |
- WGC3Denum type, |
- WGC3Dintptr offset) { |
- makeContextCurrent(); |
- glDrawElements(mode, count, type, |
- reinterpret_cast<void*>(static_cast<intptr_t>(offset))); |
-} |
- |
-DELEGATE_TO_GL_1(enable, Enable, WGC3Denum) |
- |
-DELEGATE_TO_GL_1(enableVertexAttribArray, EnableVertexAttribArray, |
- WGC3Duint) |
- |
-DELEGATE_TO_GL(finish, Finish) |
- |
-DELEGATE_TO_GL(flush, Flush) |
- |
-DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbuffer, |
- WGC3Denum, WGC3Denum, WGC3Denum, WebGLId) |
- |
-DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2D, |
- WGC3Denum, WGC3Denum, WGC3Denum, WebGLId, WGC3Dint) |
- |
-DELEGATE_TO_GL_1(frontFace, FrontFace, WGC3Denum) |
- |
-DELEGATE_TO_GL_1(generateMipmap, GenerateMipmap, WGC3Denum) |
- |
-bool WebGraphicsContext3DCommandBufferImpl::getActiveAttrib( |
- WebGLId program, WGC3Duint index, ActiveInfo& info) { |
- makeContextCurrent(); |
- if (!program) { |
- synthesizeGLError(GL_INVALID_VALUE); |
- return false; |
- } |
- GLint max_name_length = -1; |
- glGetProgramiv(program, GL_ACTIVE_ATTRIBUTE_MAX_LENGTH, &max_name_length); |
- if (max_name_length < 0) |
- return false; |
- scoped_array<GLchar> name(new GLchar[max_name_length]); |
- if (!name.get()) { |
- synthesizeGLError(GL_OUT_OF_MEMORY); |
- return false; |
- } |
- GLsizei length = 0; |
- GLint size = -1; |
- GLenum type = 0; |
- glGetActiveAttrib(program, index, max_name_length, |
- &length, &size, &type, name.get()); |
- if (size < 0) { |
- return false; |
- } |
- info.name = WebKit::WebString::fromUTF8(name.get(), length); |
- info.type = type; |
- info.size = size; |
- return true; |
-} |
- |
-bool WebGraphicsContext3DCommandBufferImpl::getActiveUniform( |
- WebGLId program, WGC3Duint index, ActiveInfo& info) { |
- makeContextCurrent(); |
- GLint max_name_length = -1; |
- glGetProgramiv(program, GL_ACTIVE_UNIFORM_MAX_LENGTH, &max_name_length); |
- if (max_name_length < 0) |
- return false; |
- scoped_array<GLchar> name(new GLchar[max_name_length]); |
- if (!name.get()) { |
- synthesizeGLError(GL_OUT_OF_MEMORY); |
- return false; |
- } |
- GLsizei length = 0; |
- GLint size = -1; |
- GLenum type = 0; |
- glGetActiveUniform(program, index, max_name_length, |
- &length, &size, &type, name.get()); |
- if (size < 0) { |
- return false; |
- } |
- info.name = WebKit::WebString::fromUTF8(name.get(), length); |
- info.type = type; |
- info.size = size; |
- return true; |
-} |
- |
-DELEGATE_TO_GL_4(getAttachedShaders, GetAttachedShaders, |
- WebGLId, WGC3Dsizei, WGC3Dsizei*, WebGLId*) |
- |
-DELEGATE_TO_GL_2R(getAttribLocation, GetAttribLocation, |
- WebGLId, const WGC3Dchar*, WGC3Dint) |
- |
-DELEGATE_TO_GL_2(getBooleanv, GetBooleanv, WGC3Denum, WGC3Dboolean*) |
- |
-DELEGATE_TO_GL_3(getBufferParameteriv, GetBufferParameteriv, |
- WGC3Denum, WGC3Denum, WGC3Dint*) |
- |
-WebKit::WebGraphicsContext3D::Attributes |
-WebGraphicsContext3DCommandBufferImpl::getContextAttributes() { |
- return attributes_; |
-} |
- |
-WGC3Denum WebGraphicsContext3DCommandBufferImpl::getError() { |
- if (!synthetic_errors_.empty()) { |
- std::vector<WGC3Denum>::iterator iter = synthetic_errors_.begin(); |
- WGC3Denum err = *iter; |
- synthetic_errors_.erase(iter); |
- return err; |
- } |
- |
- makeContextCurrent(); |
- return glGetError(); |
-} |
- |
-bool WebGraphicsContext3DCommandBufferImpl::isContextLost() { |
- return ggl::IsCommandBufferContextLost(context_); |
-} |
- |
-DELEGATE_TO_GL_2(getFloatv, GetFloatv, WGC3Denum, WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_4(getFramebufferAttachmentParameteriv, |
- GetFramebufferAttachmentParameteriv, |
- WGC3Denum, WGC3Denum, WGC3Denum, WGC3Dint*) |
- |
-DELEGATE_TO_GL_2(getIntegerv, GetIntegerv, WGC3Denum, WGC3Dint*) |
- |
-DELEGATE_TO_GL_3(getProgramiv, GetProgramiv, WebGLId, WGC3Denum, WGC3Dint*) |
- |
-WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getProgramInfoLog( |
- WebGLId program) { |
- makeContextCurrent(); |
- GLint logLength = 0; |
- glGetProgramiv(program, GL_INFO_LOG_LENGTH, &logLength); |
- if (!logLength) |
- return WebKit::WebString(); |
- scoped_array<GLchar> log(new GLchar[logLength]); |
- if (!log.get()) |
- return WebKit::WebString(); |
- GLsizei returnedLogLength = 0; |
- glGetProgramInfoLog(program, logLength, &returnedLogLength, log.get()); |
- DCHECK_EQ(logLength, returnedLogLength + 1); |
- WebKit::WebString res = |
- WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
- return res; |
-} |
- |
-DELEGATE_TO_GL_3(getRenderbufferParameteriv, GetRenderbufferParameteriv, |
- WGC3Denum, WGC3Denum, WGC3Dint*) |
- |
-DELEGATE_TO_GL_3(getShaderiv, GetShaderiv, WebGLId, WGC3Denum, WGC3Dint*) |
- |
-WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderInfoLog( |
- WebGLId shader) { |
- makeContextCurrent(); |
- GLint logLength = 0; |
- glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &logLength); |
- if (!logLength) |
- return WebKit::WebString(); |
- scoped_array<GLchar> log(new GLchar[logLength]); |
- if (!log.get()) |
- return WebKit::WebString(); |
- GLsizei returnedLogLength = 0; |
- glGetShaderInfoLog(shader, logLength, &returnedLogLength, log.get()); |
- DCHECK_EQ(logLength, returnedLogLength + 1); |
- WebKit::WebString res = |
- WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
- return res; |
-} |
- |
-WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getShaderSource( |
- WebGLId shader) { |
- makeContextCurrent(); |
- GLint logLength = 0; |
- glGetShaderiv(shader, GL_SHADER_SOURCE_LENGTH, &logLength); |
- if (!logLength) |
- return WebKit::WebString(); |
- scoped_array<GLchar> log(new GLchar[logLength]); |
- if (!log.get()) |
- return WebKit::WebString(); |
- GLsizei returnedLogLength = 0; |
- glGetShaderSource(shader, logLength, &returnedLogLength, log.get()); |
- DCHECK_EQ(logLength, returnedLogLength + 1); |
- WebKit::WebString res = |
- WebKit::WebString::fromUTF8(log.get(), returnedLogLength); |
- return res; |
-} |
- |
-WebKit::WebString WebGraphicsContext3DCommandBufferImpl::getString( |
- WGC3Denum name) { |
- makeContextCurrent(); |
- return WebKit::WebString::fromUTF8( |
- reinterpret_cast<const char*>(glGetString(name))); |
-} |
- |
-DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv, |
- WGC3Denum, WGC3Denum, WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_3(getTexParameteriv, GetTexParameteriv, |
- WGC3Denum, WGC3Denum, WGC3Dint*) |
- |
-DELEGATE_TO_GL_3(getUniformfv, GetUniformfv, WebGLId, WGC3Dint, WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_3(getUniformiv, GetUniformiv, WebGLId, WGC3Dint, WGC3Dint*) |
- |
-DELEGATE_TO_GL_2R(getUniformLocation, GetUniformLocation, |
- WebGLId, const WGC3Dchar*, WGC3Dint) |
- |
-DELEGATE_TO_GL_3(getVertexAttribfv, GetVertexAttribfv, |
- WGC3Duint, WGC3Denum, WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_3(getVertexAttribiv, GetVertexAttribiv, |
- WGC3Duint, WGC3Denum, WGC3Dint*) |
- |
-WGC3Dsizeiptr WebGraphicsContext3DCommandBufferImpl::getVertexAttribOffset( |
- WGC3Duint index, WGC3Denum pname) { |
- makeContextCurrent(); |
- GLvoid* value = NULL; |
- // NOTE: If pname is ever a value that returns more then 1 element |
- // this will corrupt memory. |
- glGetVertexAttribPointerv(index, pname, &value); |
- return static_cast<WGC3Dsizeiptr>(reinterpret_cast<intptr_t>(value)); |
-} |
- |
-DELEGATE_TO_GL_2(hint, Hint, WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_1RB(isBuffer, IsBuffer, WebGLId, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1RB(isEnabled, IsEnabled, WGC3Denum, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1RB(isFramebuffer, IsFramebuffer, WebGLId, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1RB(isProgram, IsProgram, WebGLId, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1RB(isRenderbuffer, IsRenderbuffer, WebGLId, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1RB(isShader, IsShader, WebGLId, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1RB(isTexture, IsTexture, WebGLId, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_1(lineWidth, LineWidth, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_1(linkProgram, LinkProgram, WebGLId) |
- |
-DELEGATE_TO_GL_2(pixelStorei, PixelStorei, WGC3Denum, WGC3Dint) |
- |
-DELEGATE_TO_GL_2(polygonOffset, PolygonOffset, WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_7(readPixels, ReadPixels, |
- WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei, WGC3Denum, |
- WGC3Denum, void*) |
- |
-void WebGraphicsContext3DCommandBufferImpl::releaseShaderCompiler() { |
-} |
- |
-DELEGATE_TO_GL_4(renderbufferStorage, RenderbufferStorage, |
- WGC3Denum, WGC3Denum, WGC3Dsizei, WGC3Dsizei) |
- |
-DELEGATE_TO_GL_2(sampleCoverage, SampleCoverage, WGC3Dfloat, WGC3Dboolean) |
- |
-DELEGATE_TO_GL_4(scissor, Scissor, WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
- |
-void WebGraphicsContext3DCommandBufferImpl::shaderSource( |
- WebGLId shader, const WGC3Dchar* string) { |
- makeContextCurrent(); |
- GLint length = strlen(string); |
- glShaderSource(shader, 1, &string, &length); |
-} |
- |
-DELEGATE_TO_GL_3(stencilFunc, StencilFunc, WGC3Denum, WGC3Dint, WGC3Duint) |
- |
-DELEGATE_TO_GL_4(stencilFuncSeparate, StencilFuncSeparate, |
- WGC3Denum, WGC3Denum, WGC3Dint, WGC3Duint) |
- |
-DELEGATE_TO_GL_1(stencilMask, StencilMask, WGC3Duint) |
- |
-DELEGATE_TO_GL_2(stencilMaskSeparate, StencilMaskSeparate, |
- WGC3Denum, WGC3Duint) |
- |
-DELEGATE_TO_GL_3(stencilOp, StencilOp, |
- WGC3Denum, WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_4(stencilOpSeparate, StencilOpSeparate, |
- WGC3Denum, WGC3Denum, WGC3Denum, WGC3Denum) |
- |
-DELEGATE_TO_GL_9(texImage2D, TexImage2D, |
- WGC3Denum, WGC3Dint, WGC3Denum, WGC3Dsizei, WGC3Dsizei, |
- WGC3Dint, WGC3Denum, WGC3Denum, const void*) |
- |
-DELEGATE_TO_GL_3(texParameterf, TexParameterf, |
- WGC3Denum, WGC3Denum, WGC3Dfloat); |
- |
-static const unsigned int kTextureWrapR = 0x8072; |
- |
-void WebGraphicsContext3DCommandBufferImpl::texParameteri( |
- WGC3Denum target, WGC3Denum pname, WGC3Dint param) { |
- // TODO(kbr): figure out whether the setting of TEXTURE_WRAP_R in |
- // GraphicsContext3D.cpp is strictly necessary to avoid seams at the |
- // edge of cube maps, and, if it is, push it into the GLES2 service |
- // side code. |
- if (pname == kTextureWrapR) { |
- return; |
- } |
- makeContextCurrent(); |
- glTexParameteri(target, pname, param); |
-} |
- |
-DELEGATE_TO_GL_9(texSubImage2D, TexSubImage2D, |
- WGC3Denum, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dsizei, |
- WGC3Dsizei, WGC3Denum, WGC3Denum, const void*) |
- |
-DELEGATE_TO_GL_2(uniform1f, Uniform1f, WGC3Dint, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_3(uniform1fv, Uniform1fv, WGC3Dint, WGC3Dsizei, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_2(uniform1i, Uniform1i, WGC3Dint, WGC3Dint) |
- |
-DELEGATE_TO_GL_3(uniform1iv, Uniform1iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
- |
-DELEGATE_TO_GL_3(uniform2f, Uniform2f, WGC3Dint, WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_3(uniform2fv, Uniform2fv, WGC3Dint, WGC3Dsizei, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_3(uniform2i, Uniform2i, WGC3Dint, WGC3Dint, WGC3Dint) |
- |
-DELEGATE_TO_GL_3(uniform2iv, Uniform2iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
- |
-DELEGATE_TO_GL_4(uniform3f, Uniform3f, WGC3Dint, |
- WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_3(uniform3fv, Uniform3fv, WGC3Dint, WGC3Dsizei, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_4(uniform3i, Uniform3i, WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) |
- |
-DELEGATE_TO_GL_3(uniform3iv, Uniform3iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
- |
-DELEGATE_TO_GL_5(uniform4f, Uniform4f, WGC3Dint, |
- WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_3(uniform4fv, Uniform4fv, WGC3Dint, WGC3Dsizei, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_5(uniform4i, Uniform4i, WGC3Dint, |
- WGC3Dint, WGC3Dint, WGC3Dint, WGC3Dint) |
- |
-DELEGATE_TO_GL_3(uniform4iv, Uniform4iv, WGC3Dint, WGC3Dsizei, const WGC3Dint*) |
- |
-DELEGATE_TO_GL_4(uniformMatrix2fv, UniformMatrix2fv, |
- WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_4(uniformMatrix3fv, UniformMatrix3fv, |
- WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_4(uniformMatrix4fv, UniformMatrix4fv, |
- WGC3Dint, WGC3Dsizei, WGC3Dboolean, const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_1(useProgram, UseProgram, WebGLId) |
- |
-DELEGATE_TO_GL_1(validateProgram, ValidateProgram, WebGLId) |
- |
-DELEGATE_TO_GL_2(vertexAttrib1f, VertexAttrib1f, WGC3Duint, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_2(vertexAttrib1fv, VertexAttrib1fv, WGC3Duint, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_3(vertexAttrib2f, VertexAttrib2f, WGC3Duint, |
- WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_2(vertexAttrib2fv, VertexAttrib2fv, WGC3Duint, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_4(vertexAttrib3f, VertexAttrib3f, WGC3Duint, |
- WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_2(vertexAttrib3fv, VertexAttrib3fv, WGC3Duint, |
- const WGC3Dfloat*) |
- |
-DELEGATE_TO_GL_5(vertexAttrib4f, VertexAttrib4f, WGC3Duint, |
- WGC3Dfloat, WGC3Dfloat, WGC3Dfloat, WGC3Dfloat) |
- |
-DELEGATE_TO_GL_2(vertexAttrib4fv, VertexAttrib4fv, WGC3Duint, |
- const WGC3Dfloat*) |
- |
-void WebGraphicsContext3DCommandBufferImpl::vertexAttribPointer( |
- WGC3Duint index, WGC3Dint size, WGC3Denum type, WGC3Dboolean normalized, |
- WGC3Dsizei stride, WGC3Dintptr offset) { |
- makeContextCurrent(); |
- |
- glVertexAttribPointer(index, size, type, normalized, stride, |
- reinterpret_cast<void*>( |
- static_cast<intptr_t>(offset))); |
-} |
- |
-DELEGATE_TO_GL_4(viewport, Viewport, |
- WGC3Dint, WGC3Dint, WGC3Dsizei, WGC3Dsizei) |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::createBuffer() { |
- makeContextCurrent(); |
- GLuint o; |
- glGenBuffers(1, &o); |
- return o; |
-} |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::createFramebuffer() { |
- makeContextCurrent(); |
- GLuint o = 0; |
- glGenFramebuffers(1, &o); |
- return o; |
-} |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::createProgram() { |
- makeContextCurrent(); |
- return glCreateProgram(); |
-} |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::createRenderbuffer() { |
- makeContextCurrent(); |
- GLuint o; |
- glGenRenderbuffers(1, &o); |
- return o; |
-} |
- |
-DELEGATE_TO_GL_1R(createShader, CreateShader, WGC3Denum, WebGLId); |
- |
-WebGLId WebGraphicsContext3DCommandBufferImpl::createTexture() { |
- makeContextCurrent(); |
- GLuint o; |
- glGenTextures(1, &o); |
- return o; |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteBuffer(WebGLId buffer) { |
- makeContextCurrent(); |
- glDeleteBuffers(1, &buffer); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteFramebuffer( |
- WebGLId framebuffer) { |
- makeContextCurrent(); |
- glDeleteFramebuffers(1, &framebuffer); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteProgram(WebGLId program) { |
- makeContextCurrent(); |
- glDeleteProgram(program); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteRenderbuffer( |
- WebGLId renderbuffer) { |
- makeContextCurrent(); |
- glDeleteRenderbuffers(1, &renderbuffer); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteShader(WebGLId shader) { |
- makeContextCurrent(); |
- glDeleteShader(shader); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::deleteTexture(WebGLId texture) { |
- makeContextCurrent(); |
- glDeleteTextures(1, &texture); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::copyTextureToCompositor( |
- WebGLId texture, WebGLId parentTexture) { |
- makeContextCurrent(); |
- glCopyTextureToParentTextureCHROMIUM(texture, parentTexture); |
- glFlush(); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::OnSwapBuffers() { |
- // This may be called after tear-down of the RenderView. |
- RenderView* renderview = |
- web_view_ ? RenderView::FromWebView(web_view_) : NULL; |
- if (renderview) |
- renderview->DidFlushPaint(); |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::setContextLostCallback( |
- WebGraphicsContext3D::WebGraphicsContextLostCallback* cb) |
-{ |
- context_lost_callback_ = cb; |
-} |
- |
-void WebGraphicsContext3DCommandBufferImpl::OnContextLost() { |
- if (context_lost_callback_) { |
- context_lost_callback_->onContextLost(); |
- } |
-} |
- |
-#endif // defined(ENABLE_GPU) |