diff options
Diffstat (limited to 'WebKit/chromium/src/WebGraphicsContext3DDefaultImpl.cpp')
| -rw-r--r-- | WebKit/chromium/src/WebGraphicsContext3DDefaultImpl.cpp | 60 |
1 files changed, 16 insertions, 44 deletions
diff --git a/WebKit/chromium/src/WebGraphicsContext3DDefaultImpl.cpp b/WebKit/chromium/src/WebGraphicsContext3DDefaultImpl.cpp index e805c55..4cb701f 100644 --- a/WebKit/chromium/src/WebGraphicsContext3DDefaultImpl.cpp +++ b/WebKit/chromium/src/WebGraphicsContext3DDefaultImpl.cpp @@ -40,7 +40,8 @@ #include "WebView.h" #include <wtf/OwnArrayPtr.h> #include <wtf/PassOwnPtr.h> -#include <wtf/text/CString.h> +#include <wtf/text/StringBuilder.h> +#include <wtf/text/WTFString.h> #include <stdio.h> #include <string.h> @@ -48,8 +49,6 @@ namespace WebKit { enum { - IMPLEMENTATION_COLOR_READ_FORMAT = 0x8B9B, - IMPLEMENTATION_COLOR_READ_TYPE = 0x8B9A, MAX_VERTEX_UNIFORM_VECTORS = 0x8DFB, MAX_VARYING_VECTORS = 0x8DFC, MAX_FRAGMENT_UNIFORM_VECTORS = 0x8DFD @@ -531,20 +530,6 @@ void WebGraphicsContext3DDefaultImpl::synthesizeGLError(unsigned long error) m_syntheticErrors.add(error); } -bool WebGraphicsContext3DDefaultImpl::supportsBGRA() -{ - // Supported since OpenGL 1.2. However, glTexImage2D() must be modified - // to translate the internalFormat from GL_BGRA to GL_RGBA, since the - // former is not accepted by desktop GL. Return false until this is done. - return false; -} - -bool WebGraphicsContext3DDefaultImpl::supportsMapSubCHROMIUM() -{ - // We don't claim support for this extension at this time - return false; -} - void* WebGraphicsContext3DDefaultImpl::mapBufferSubDataCHROMIUM(unsigned target, int offset, int size, unsigned access) { return 0; @@ -563,15 +548,11 @@ void WebGraphicsContext3DDefaultImpl::unmapTexSubImage2DCHROMIUM(const void* mem { } -bool WebGraphicsContext3DDefaultImpl::supportsCopyTextureToParentTextureCHROMIUM() -{ - // This extension requires this desktopGL-only function (GLES2 doesn't - // support it), so check for its existence here. - return glGetTexLevelParameteriv; -} - void WebGraphicsContext3DDefaultImpl::copyTextureToParentTextureCHROMIUM(unsigned id, unsigned id2) { + if (!glGetTexLevelParameteriv) + return; + makeContextCurrent(); glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, m_copyTextureToParentTextureFBO); glFramebufferTexture2DEXT(GL_FRAMEBUFFER, @@ -855,16 +836,7 @@ DELEGATE_TO_GL(finish, Finish) DELEGATE_TO_GL(flush, Flush) -void WebGraphicsContext3DDefaultImpl::framebufferRenderbuffer(unsigned long target, unsigned long attachment, - unsigned long renderbuffertarget, WebGLId buffer) -{ - makeContextCurrent(); - if (attachment == GL_DEPTH_STENCIL_ATTACHMENT) { - glFramebufferRenderbufferEXT(target, GL_DEPTH_ATTACHMENT, renderbuffertarget, buffer); - glFramebufferRenderbufferEXT(target, GL_STENCIL_ATTACHMENT, renderbuffertarget, buffer); - } else - glFramebufferRenderbufferEXT(target, attachment, renderbuffertarget, buffer); -} +DELEGATE_TO_GL_4(framebufferRenderbuffer, FramebufferRenderbufferEXT, unsigned long, unsigned long, unsigned long, WebGLId) DELEGATE_TO_GL_5(framebufferTexture2D, FramebufferTexture2DEXT, unsigned long, unsigned long, unsigned long, WebGLId, long) @@ -979,21 +951,12 @@ void WebGraphicsContext3DDefaultImpl::getFramebufferAttachmentParameteriv(unsign void WebGraphicsContext3DDefaultImpl::getIntegerv(unsigned long pname, int* value) { - // Need to emulate IMPLEMENTATION_COLOR_READ_FORMAT/TYPE for GL. Any valid - // combination should work, but GL_RGB/GL_UNSIGNED_BYTE might be the most - // useful for desktop WebGL users. // Need to emulate MAX_FRAGMENT/VERTEX_UNIFORM_VECTORS and MAX_VARYING_VECTORS // because desktop GL's corresponding queries return the number of components // whereas GLES2 return the number of vectors (each vector has 4 components). // Therefore, the value returned by desktop GL needs to be divided by 4. makeContextCurrent(); switch (pname) { - case IMPLEMENTATION_COLOR_READ_FORMAT: - *value = GL_RGB; - break; - case IMPLEMENTATION_COLOR_READ_TYPE: - *value = GL_UNSIGNED_BYTE; - break; case MAX_FRAGMENT_UNIFORM_VECTORS: glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS, value); *value /= 4; @@ -1130,7 +1093,16 @@ WebString WebGraphicsContext3DDefaultImpl::getShaderSource(WebGLId shader) WebString WebGraphicsContext3DDefaultImpl::getString(unsigned long name) { makeContextCurrent(); - return WebString::fromUTF8(reinterpret_cast<const char*>(glGetString(name))); + StringBuilder result; + result.append(reinterpret_cast<const char*>(glGetString(name))); + if (name == GL_EXTENSIONS) { + // GL_CHROMIUM_copy_texture_to_parent_texture requires this + // desktopGL-only function (GLES2 doesn't support it), so + // check for its existence here. + if (glGetTexLevelParameteriv) + result.append(" GL_CHROMIUM_copy_texture_to_parent_texture"); + } + return WebString(result.toString()); } DELEGATE_TO_GL_3(getTexParameterfv, GetTexParameterfv, unsigned long, unsigned long, float*) |