| Index: media/tools/shader_bench/gpu_color_painter_exp.cc
|
| diff --git a/media/tools/shader_bench/gpu_color_painter_exp.cc b/media/tools/shader_bench/gpu_color_painter_exp.cc
|
| deleted file mode 100644
|
| index 860c1bf97bd79617efbdc3d29a420d5b52c67f5a..0000000000000000000000000000000000000000
|
| --- a/media/tools/shader_bench/gpu_color_painter_exp.cc
|
| +++ /dev/null
|
| @@ -1,132 +0,0 @@
|
| -// Copyright (c) 2011 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.
|
| -
|
| -#include "media/tools/shader_bench/gpu_color_painter_exp.h"
|
| -
|
| -enum { kNumYUVPlanes = 3 };
|
| -
|
| -// Matrix used for the YUV to RGB conversion.
|
| -static const float kYUV2RGB[9] = {
|
| - 1.f, 0.f, 1.403f,
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| - 1.f, -.344f, -.714f,
|
| - 1.f, 1.772f, 0.f,
|
| -};
|
| -
|
| -static const float kYUV2RGB_TRANS[9] = {
|
| - 1.f, 1.f, 1.f,
|
| - 0.f, -.344f, 1.772f,
|
| - 1.403f, -.714f, 0.f,
|
| -};
|
| -
|
| -const float attributeSelector[4] = {
|
| - 1.f, 10.f, 100.f, 1000.f,
|
| -};
|
| -
|
| -// Pass-through vertex shader.
|
| -static const char kVertexShader[] =
|
| - "precision highp float;\n"
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| - "precision highp int;\n"
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| - "varying vec2 interp_tc;\n"
|
| - "\n"
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| - "attribute vec4 in_pos;\n"
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| - "attribute vec2 in_tc;\n"
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| - "\n"
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| - "void main() {\n"
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| - " interp_tc = in_tc;\n"
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| - " gl_Position = in_pos;\n"
|
| - "}\n";
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| -
|
| -// YUV to RGB pixel shader. Loads a pixel from each plane and pass through the
|
| -// matrix.
|
| -static const char kFragmentShader[] =
|
| - "precision mediump float;\n"
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| - "precision mediump int;\n"
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| - "varying vec2 interp_tc;\n"
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| - "\n"
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| - "uniform sampler2D y_tex;\n"
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| - "uniform sampler2D u_tex;\n"
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| - "uniform sampler2D v_tex;\n"
|
| - "uniform mat3 yuv2rgb;\n"
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| - "uniform vec4 attrib_vector; \n"
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| - "uniform int texture_width; \n"
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| - "\n"
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| - "void main() {\n"
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| - " float x_pos = interp_tc.x * float(texture_width); \n"
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| - " float y_index = floor(mod(x_pos, 4.0)); \n"
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| - " float y_denom = pow(10.0, y_index); \n"
|
| - " vec4 attrib_y = mod(floor(attrib_vector / y_denom), 10.0); \n"
|
| - " float uv_index = floor(mod(floor(x_pos / 4.0), 4.0)); \n"
|
| - " float uv_denom = pow(10.0, uv_index); \n"
|
| - " vec4 attrib_uv = mod(floor(attrib_vector / uv_denom), 10.0); \n"
|
| - " vec4 texel_y = texture2D(y_tex, interp_tc); \n"
|
| - " vec4 texel_u = texture2D(u_tex, interp_tc); \n"
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| - " vec4 texel_v = texture2D(v_tex, interp_tc); \n"
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| - " float y = dot(attrib_y, texel_y); \n"
|
| - " float u = dot(attrib_uv, texel_u) - 0.5; \n"
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| - " float v = dot(attrib_uv, texel_v) - 0.5; \n"
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| - " vec3 rgb = yuv2rgb * vec3(y, u, v);\n"
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| - " gl_FragColor = vec4(rgb, 1);\n"
|
| - "}\n";
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| -
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| -GPUColorRGBALumHackPainter::GPUColorRGBALumHackPainter()
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| - : program_id_(-1) {
|
| -}
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| -
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| -GPUColorRGBALumHackPainter::~GPUColorRGBALumHackPainter() {
|
| - if (program_id_) {
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| - glDeleteProgram(program_id_);
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| - glDeleteTextures(kNumYUVPlanes, textures_);
|
| - }
|
| -}
|
| -
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| -void GPUColorRGBALumHackPainter::Initialize(int width, int height) {
|
| - glGenTextures(3, textures_);
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| - for (unsigned int i = 0; i < kNumYUVPlanes; ++i) {
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| - unsigned int texture_width = (i == media::VideoFrame::kYPlane) ?
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| - width : width / 2;
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| - unsigned int texture_height = (i == media::VideoFrame::kYPlane) ?
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| - height : height / 2;
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| - glActiveTexture(GL_TEXTURE0 + i);
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| - glBindTexture(GL_TEXTURE_2D, textures_[i]);
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| - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
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| - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
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| - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE);
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| - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE);
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| - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, texture_width / 4, texture_height,
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| - 0, GL_RGBA, GL_UNSIGNED_BYTE, 0);
|
| - }
|
| -
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| - GLuint program = CreateShaderProgram(kVertexShader, kFragmentShader);
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| -
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| - // Bind parameters.
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| - glUniform1i(glGetUniformLocation(program, "y_tex"), 0);
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| - glUniform1i(glGetUniformLocation(program, "u_tex"), 1);
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| - glUniform1i(glGetUniformLocation(program, "v_tex"), 2);
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| - glUniform1i(glGetUniformLocation(program, "texture_width"), width);
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| - int yuv2rgb_location = glGetUniformLocation(program, "yuv2rgb");
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| - if (gfx::GetGLImplementation() == gfx::kGLImplementationDesktopGL)
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| - glUniformMatrix3fv(yuv2rgb_location, 1, GL_TRUE, kYUV2RGB);
|
| - else
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| - glUniformMatrix3fv(yuv2rgb_location, 1, GL_FALSE, kYUV2RGB_TRANS);
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| - int attrib_location = glGetUniformLocation(program, "attrib_vector");
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| - glUniform4fv(attrib_location, 1, attributeSelector);
|
| -
|
| - program_id_ = program;
|
| -}
|
| -
|
| -void GPUColorRGBALumHackPainter::Paint(
|
| - scoped_refptr<media::VideoFrame> video_frame) {
|
| - for (unsigned int i = 0; i < kNumYUVPlanes; ++i) {
|
| - unsigned int width = (i == media::VideoFrame::kYPlane) ?
|
| - video_frame->width() : video_frame->width() / 2;
|
| - unsigned int height = (i == media::VideoFrame::kYPlane) ?
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| - video_frame->height() : video_frame->height() / 2;
|
| - glBindTexture(GL_TEXTURE_2D, textures_[i]);
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| - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width / 4, height,
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| - GL_RGBA, GL_UNSIGNED_BYTE, video_frame->data(i));
|
| - }
|
| -
|
| - glDrawArrays(GL_TRIANGLE_STRIP, 0, 4);
|
| - surface()->SwapBuffers();
|
| -}
|
|
|