diff options
Diffstat (limited to 'WebCore/platform/graphics/chromium/CanvasLayerChromium.cpp')
| -rw-r--r-- | WebCore/platform/graphics/chromium/CanvasLayerChromium.cpp | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/WebCore/platform/graphics/chromium/CanvasLayerChromium.cpp b/WebCore/platform/graphics/chromium/CanvasLayerChromium.cpp deleted file mode 100644 index 4aef25b..0000000 --- a/WebCore/platform/graphics/chromium/CanvasLayerChromium.cpp +++ /dev/null @@ -1,126 +0,0 @@ -/* - * Copyright (C) 2010 Google 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: - * - * * Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * * 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. - * * Neither the name of Google Inc. nor the names of its - * contributors may be used to endorse or promote products derived from - * this software without specific prior written permission. - * - * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS - * "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 THE COPYRIGHT - * OWNER 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. - */ - -#include "config.h" - -#if USE(ACCELERATED_COMPOSITING) - -#include "CanvasLayerChromium.h" - -#include "GraphicsContext3D.h" -#include "LayerRendererChromium.h" - -namespace WebCore { - -unsigned CanvasLayerChromium::m_shaderProgramId = 0; - -CanvasLayerChromium::SharedValues::SharedValues(GraphicsContext3D* context) - : m_context(context) - , m_canvasShaderProgram(0) - , m_shaderSamplerLocation(-1) - , m_shaderMatrixLocation(-1) - , m_shaderAlphaLocation(-1) - , m_initialized(false) -{ - char vertexShaderString[] = - "attribute vec4 a_position; \n" - "attribute vec2 a_texCoord; \n" - "uniform mat4 matrix; \n" - "varying vec2 v_texCoord; \n" - "void main() \n" - "{ \n" - " gl_Position = matrix * a_position; \n" - " v_texCoord = a_texCoord; \n" - "} \n"; - - // Canvas layers need to be flipped vertically and their colors shouldn't be - // swizzled. - char fragmentShaderString[] = - "precision mediump float; \n" - "varying vec2 v_texCoord; \n" - "uniform sampler2D s_texture; \n" - "uniform float alpha; \n" - "void main() \n" - "{ \n" - " vec4 texColor = texture2D(s_texture, vec2(v_texCoord.x, 1.0 - v_texCoord.y)); \n" - " gl_FragColor = vec4(texColor.x, texColor.y, texColor.z, texColor.w) * alpha; \n" - "} \n"; - - m_canvasShaderProgram = createShaderProgram(m_context, vertexShaderString, fragmentShaderString); - if (!m_canvasShaderProgram) { - LOG_ERROR("CanvasLayerChromium: Failed to create shader program"); - return; - } - - m_shaderSamplerLocation = m_context->getUniformLocation(m_canvasShaderProgram, "s_texture"); - m_shaderMatrixLocation = m_context->getUniformLocation(m_canvasShaderProgram, "matrix"); - m_shaderAlphaLocation = m_context->getUniformLocation(m_canvasShaderProgram, "alpha"); - ASSERT(m_shaderSamplerLocation != -1); - ASSERT(m_shaderMatrixLocation != -1); - ASSERT(m_shaderAlphaLocation != -1); - - m_initialized = true; -} - -CanvasLayerChromium::SharedValues::~SharedValues() -{ - if (m_canvasShaderProgram) - GLC(m_context, m_context->deleteProgram(m_canvasShaderProgram)); -} - -CanvasLayerChromium::CanvasLayerChromium(GraphicsLayerChromium* owner) - : LayerChromium(owner) - , m_textureChanged(true) - , m_textureId(0) -{ -} - -CanvasLayerChromium::~CanvasLayerChromium() -{ -} - -void CanvasLayerChromium::draw() -{ - ASSERT(layerRenderer()); - const CanvasLayerChromium::SharedValues* sv = layerRenderer()->canvasLayerSharedValues(); - ASSERT(sv && sv->initialized()); - GraphicsContext3D* context = layerRendererContext(); - GLC(context, context->activeTexture(GraphicsContext3D::TEXTURE0)); - GLC(context, context->bindTexture(GraphicsContext3D::TEXTURE_2D, m_textureId)); - layerRenderer()->useShader(sv->canvasShaderProgram()); - GLC(context, context->uniform1i(sv->shaderSamplerLocation(), 0)); - drawTexturedQuad(context, layerRenderer()->projectionMatrix(), drawTransform(), - bounds().width(), bounds().height(), drawOpacity(), - sv->shaderMatrixLocation(), sv->shaderAlphaLocation()); - -} - -} -#endif // USE(ACCELERATED_COMPOSITING) |