Index: webrtc/modules/video_render/android/video_render_opengles20.cc |
diff --git a/webrtc/modules/video_render/android/video_render_opengles20.cc b/webrtc/modules/video_render/android/video_render_opengles20.cc |
deleted file mode 100644 |
index 45db56a4f6e6cd93d68abc7d5eb6557f38bb0e43..0000000000000000000000000000000000000000 |
--- a/webrtc/modules/video_render/android/video_render_opengles20.cc |
+++ /dev/null |
@@ -1,397 +0,0 @@ |
-/* |
- * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. |
- * |
- * Use of this source code is governed by a BSD-style license |
- * that can be found in the LICENSE file in the root of the source |
- * tree. An additional intellectual property rights grant can be found |
- * in the file PATENTS. All contributing project authors may |
- * be found in the AUTHORS file in the root of the source tree. |
- */ |
- |
-#include <GLES2/gl2.h> |
-#include <GLES2/gl2ext.h> |
- |
-#include <stdio.h> |
-#include <stdlib.h> |
- |
-#include "webrtc/modules/video_render/android/video_render_opengles20.h" |
- |
-//#define ANDROID_LOG |
- |
-#ifdef ANDROID_LOG |
-#include <android/log.h> |
-#include <stdio.h> |
- |
-#undef WEBRTC_TRACE |
-#define WEBRTC_TRACE(a,b,c,...) __android_log_print(ANDROID_LOG_DEBUG, "*WEBRTCN*", __VA_ARGS__) |
-#else |
-#include "webrtc/system_wrappers/include/trace.h" |
-#endif |
- |
-namespace webrtc { |
- |
-const char VideoRenderOpenGles20::g_indices[] = { 0, 3, 2, 0, 2, 1 }; |
- |
-const char VideoRenderOpenGles20::g_vertextShader[] = { |
- "attribute vec4 aPosition;\n" |
- "attribute vec2 aTextureCoord;\n" |
- "varying vec2 vTextureCoord;\n" |
- "void main() {\n" |
- " gl_Position = aPosition;\n" |
- " vTextureCoord = aTextureCoord;\n" |
- "}\n" }; |
- |
-// The fragment shader. |
-// Do YUV to RGB565 conversion. |
-const char VideoRenderOpenGles20::g_fragmentShader[] = { |
- "precision mediump float;\n" |
- "uniform sampler2D Ytex;\n" |
- "uniform sampler2D Utex,Vtex;\n" |
- "varying vec2 vTextureCoord;\n" |
- "void main(void) {\n" |
- " float nx,ny,r,g,b,y,u,v;\n" |
- " mediump vec4 txl,ux,vx;" |
- " nx=vTextureCoord[0];\n" |
- " ny=vTextureCoord[1];\n" |
- " y=texture2D(Ytex,vec2(nx,ny)).r;\n" |
- " u=texture2D(Utex,vec2(nx,ny)).r;\n" |
- " v=texture2D(Vtex,vec2(nx,ny)).r;\n" |
- |
- //" y = v;\n"+ |
- " y=1.1643*(y-0.0625);\n" |
- " u=u-0.5;\n" |
- " v=v-0.5;\n" |
- |
- " r=y+1.5958*v;\n" |
- " g=y-0.39173*u-0.81290*v;\n" |
- " b=y+2.017*u;\n" |
- " gl_FragColor=vec4(r,g,b,1.0);\n" |
- "}\n" }; |
- |
-VideoRenderOpenGles20::VideoRenderOpenGles20(int32_t id) : |
- _id(id), |
- _textureWidth(-1), |
- _textureHeight(-1) { |
- WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, "%s: id %d", |
- __FUNCTION__, (int) _id); |
- |
- const GLfloat vertices[20] = { |
- // X, Y, Z, U, V |
- -1, -1, 0, 0, 1, // Bottom Left |
- 1, -1, 0, 1, 1, //Bottom Right |
- 1, 1, 0, 1, 0, //Top Right |
- -1, 1, 0, 0, 0 }; //Top Left |
- |
- memcpy(_vertices, vertices, sizeof(_vertices)); |
-} |
- |
-VideoRenderOpenGles20::~VideoRenderOpenGles20() { |
-} |
- |
-int32_t VideoRenderOpenGles20::Setup(int32_t width, int32_t height) { |
- WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, |
- "%s: width %d, height %d", __FUNCTION__, (int) width, |
- (int) height); |
- |
- printGLString("Version", GL_VERSION); |
- printGLString("Vendor", GL_VENDOR); |
- printGLString("Renderer", GL_RENDERER); |
- printGLString("Extensions", GL_EXTENSIONS); |
- |
- int maxTextureImageUnits[2]; |
- int maxTextureSize[2]; |
- glGetIntegerv(GL_MAX_TEXTURE_IMAGE_UNITS, maxTextureImageUnits); |
- glGetIntegerv(GL_MAX_TEXTURE_SIZE, maxTextureSize); |
- |
- WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, |
- "%s: number of textures %d, size %d", __FUNCTION__, |
- (int) maxTextureImageUnits[0], (int) maxTextureSize[0]); |
- |
- _program = createProgram(g_vertextShader, g_fragmentShader); |
- if (!_program) { |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "%s: Could not create program", __FUNCTION__); |
- return -1; |
- } |
- |
- int positionHandle = glGetAttribLocation(_program, "aPosition"); |
- checkGlError("glGetAttribLocation aPosition"); |
- if (positionHandle == -1) { |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "%s: Could not get aPosition handle", __FUNCTION__); |
- return -1; |
- } |
- |
- int textureHandle = glGetAttribLocation(_program, "aTextureCoord"); |
- checkGlError("glGetAttribLocation aTextureCoord"); |
- if (textureHandle == -1) { |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "%s: Could not get aTextureCoord handle", __FUNCTION__); |
- return -1; |
- } |
- |
- // set the vertices array in the shader |
- // _vertices contains 4 vertices with 5 coordinates. |
- // 3 for (xyz) for the vertices and 2 for the texture |
- glVertexAttribPointer(positionHandle, 3, GL_FLOAT, false, |
- 5 * sizeof(GLfloat), _vertices); |
- checkGlError("glVertexAttribPointer aPosition"); |
- |
- glEnableVertexAttribArray(positionHandle); |
- checkGlError("glEnableVertexAttribArray positionHandle"); |
- |
- // set the texture coordinate array in the shader |
- // _vertices contains 4 vertices with 5 coordinates. |
- // 3 for (xyz) for the vertices and 2 for the texture |
- glVertexAttribPointer(textureHandle, 2, GL_FLOAT, false, 5 |
- * sizeof(GLfloat), &_vertices[3]); |
- checkGlError("glVertexAttribPointer maTextureHandle"); |
- glEnableVertexAttribArray(textureHandle); |
- checkGlError("glEnableVertexAttribArray textureHandle"); |
- |
- glUseProgram(_program); |
- int i = glGetUniformLocation(_program, "Ytex"); |
- checkGlError("glGetUniformLocation"); |
- glUniform1i(i, 0); /* Bind Ytex to texture unit 0 */ |
- checkGlError("glUniform1i Ytex"); |
- |
- i = glGetUniformLocation(_program, "Utex"); |
- checkGlError("glGetUniformLocation Utex"); |
- glUniform1i(i, 1); /* Bind Utex to texture unit 1 */ |
- checkGlError("glUniform1i Utex"); |
- |
- i = glGetUniformLocation(_program, "Vtex"); |
- checkGlError("glGetUniformLocation"); |
- glUniform1i(i, 2); /* Bind Vtex to texture unit 2 */ |
- checkGlError("glUniform1i"); |
- |
- glViewport(0, 0, width, height); |
- checkGlError("glViewport"); |
- return 0; |
-} |
- |
-// SetCoordinates |
-// Sets the coordinates where the stream shall be rendered. |
-// Values must be between 0 and 1. |
-int32_t VideoRenderOpenGles20::SetCoordinates(int32_t zOrder, |
- const float left, |
- const float top, |
- const float right, |
- const float bottom) { |
- if ((top > 1 || top < 0) || (right > 1 || right < 0) || |
- (bottom > 1 || bottom < 0) || (left > 1 || left < 0)) { |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "%s: Wrong coordinates", __FUNCTION__); |
- return -1; |
- } |
- |
- // X, Y, Z, U, V |
- // -1, -1, 0, 0, 1, // Bottom Left |
- // 1, -1, 0, 1, 1, //Bottom Right |
- // 1, 1, 0, 1, 0, //Top Right |
- // -1, 1, 0, 0, 0 //Top Left |
- |
- // Bottom Left |
- _vertices[0] = (left * 2) - 1; |
- _vertices[1] = -1 * (2 * bottom) + 1; |
- _vertices[2] = zOrder; |
- |
- //Bottom Right |
- _vertices[5] = (right * 2) - 1; |
- _vertices[6] = -1 * (2 * bottom) + 1; |
- _vertices[7] = zOrder; |
- |
- //Top Right |
- _vertices[10] = (right * 2) - 1; |
- _vertices[11] = -1 * (2 * top) + 1; |
- _vertices[12] = zOrder; |
- |
- //Top Left |
- _vertices[15] = (left * 2) - 1; |
- _vertices[16] = -1 * (2 * top) + 1; |
- _vertices[17] = zOrder; |
- |
- return 0; |
-} |
- |
-int32_t VideoRenderOpenGles20::Render(const VideoFrame& frameToRender) { |
- if (frameToRender.IsZeroSize()) { |
- return -1; |
- } |
- |
- WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, "%s: id %d", |
- __FUNCTION__, (int) _id); |
- |
- glUseProgram(_program); |
- checkGlError("glUseProgram"); |
- |
- if (_textureWidth != (GLsizei) frameToRender.width() || |
- _textureHeight != (GLsizei) frameToRender.height()) { |
- SetupTextures(frameToRender); |
- } |
- UpdateTextures(frameToRender); |
- |
- glDrawElements(GL_TRIANGLES, 6, GL_UNSIGNED_BYTE, g_indices); |
- checkGlError("glDrawArrays"); |
- |
- return 0; |
-} |
- |
-GLuint VideoRenderOpenGles20::loadShader(GLenum shaderType, |
- const char* pSource) { |
- GLuint shader = glCreateShader(shaderType); |
- if (shader) { |
- glShaderSource(shader, 1, &pSource, NULL); |
- glCompileShader(shader); |
- GLint compiled = 0; |
- glGetShaderiv(shader, GL_COMPILE_STATUS, &compiled); |
- if (!compiled) { |
- GLint infoLen = 0; |
- glGetShaderiv(shader, GL_INFO_LOG_LENGTH, &infoLen); |
- if (infoLen) { |
- char* buf = (char*) malloc(infoLen); |
- if (buf) { |
- glGetShaderInfoLog(shader, infoLen, NULL, buf); |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "%s: Could not compile shader %d: %s", |
- __FUNCTION__, shaderType, buf); |
- free(buf); |
- } |
- glDeleteShader(shader); |
- shader = 0; |
- } |
- } |
- } |
- return shader; |
-} |
- |
-GLuint VideoRenderOpenGles20::createProgram(const char* pVertexSource, |
- const char* pFragmentSource) { |
- GLuint vertexShader = loadShader(GL_VERTEX_SHADER, pVertexSource); |
- if (!vertexShader) { |
- return 0; |
- } |
- |
- GLuint pixelShader = loadShader(GL_FRAGMENT_SHADER, pFragmentSource); |
- if (!pixelShader) { |
- return 0; |
- } |
- |
- GLuint program = glCreateProgram(); |
- if (program) { |
- glAttachShader(program, vertexShader); |
- checkGlError("glAttachShader"); |
- glAttachShader(program, pixelShader); |
- checkGlError("glAttachShader"); |
- glLinkProgram(program); |
- GLint linkStatus = GL_FALSE; |
- glGetProgramiv(program, GL_LINK_STATUS, &linkStatus); |
- if (linkStatus != GL_TRUE) { |
- GLint bufLength = 0; |
- glGetProgramiv(program, GL_INFO_LOG_LENGTH, &bufLength); |
- if (bufLength) { |
- char* buf = (char*) malloc(bufLength); |
- if (buf) { |
- glGetProgramInfoLog(program, bufLength, NULL, buf); |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "%s: Could not link program: %s", |
- __FUNCTION__, buf); |
- free(buf); |
- } |
- } |
- glDeleteProgram(program); |
- program = 0; |
- } |
- } |
- return program; |
-} |
- |
-void VideoRenderOpenGles20::printGLString(const char *name, GLenum s) { |
- const char *v = (const char *) glGetString(s); |
- WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, "GL %s = %s\n", |
- name, v); |
-} |
- |
-void VideoRenderOpenGles20::checkGlError(const char* op) { |
-#ifdef ANDROID_LOG |
- for (GLint error = glGetError(); error; error = glGetError()) { |
- WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, _id, |
- "after %s() glError (0x%x)\n", op, error); |
- } |
-#else |
- return; |
-#endif |
-} |
- |
-static void InitializeTexture(int name, int id, int width, int height) { |
- glActiveTexture(name); |
- glBindTexture(GL_TEXTURE_2D, id); |
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); |
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); |
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); |
- glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); |
- glTexImage2D(GL_TEXTURE_2D, 0, GL_LUMINANCE, width, height, 0, |
- GL_LUMINANCE, GL_UNSIGNED_BYTE, NULL); |
-} |
- |
-void VideoRenderOpenGles20::SetupTextures(const VideoFrame& frameToRender) { |
- WEBRTC_TRACE(kTraceDebug, kTraceVideoRenderer, _id, |
- "%s: width %d, height %d", __FUNCTION__, |
- frameToRender.width(), frameToRender.height()); |
- |
- const GLsizei width = frameToRender.width(); |
- const GLsizei height = frameToRender.height(); |
- |
- glGenTextures(3, _textureIds); //Generate the Y, U and V texture |
- InitializeTexture(GL_TEXTURE0, _textureIds[0], width, height); |
- InitializeTexture(GL_TEXTURE1, _textureIds[1], width / 2, height / 2); |
- InitializeTexture(GL_TEXTURE2, _textureIds[2], width / 2, height / 2); |
- |
- checkGlError("SetupTextures"); |
- |
- _textureWidth = width; |
- _textureHeight = height; |
-} |
- |
-// Uploads a plane of pixel data, accounting for stride != width*bpp. |
-static void GlTexSubImage2D(GLsizei width, GLsizei height, int stride, |
- const uint8_t* plane) { |
- if (stride == width) { |
- // Yay! We can upload the entire plane in a single GL call. |
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, width, height, GL_LUMINANCE, |
- GL_UNSIGNED_BYTE, |
- static_cast<const GLvoid*>(plane)); |
- } else { |
- // Boo! Since GLES2 doesn't have GL_UNPACK_ROW_LENGTH and Android doesn't |
- // have GL_EXT_unpack_subimage we have to upload a row at a time. Ick. |
- for (int row = 0; row < height; ++row) { |
- glTexSubImage2D(GL_TEXTURE_2D, 0, 0, row, width, 1, GL_LUMINANCE, |
- GL_UNSIGNED_BYTE, |
- static_cast<const GLvoid*>(plane + (row * stride))); |
- } |
- } |
-} |
- |
-void VideoRenderOpenGles20::UpdateTextures(const VideoFrame& frameToRender) { |
- const GLsizei width = frameToRender.width(); |
- const GLsizei height = frameToRender.height(); |
- |
- glActiveTexture(GL_TEXTURE0); |
- glBindTexture(GL_TEXTURE_2D, _textureIds[0]); |
- GlTexSubImage2D(width, height, frameToRender.stride(kYPlane), |
- frameToRender.buffer(kYPlane)); |
- |
- glActiveTexture(GL_TEXTURE1); |
- glBindTexture(GL_TEXTURE_2D, _textureIds[1]); |
- GlTexSubImage2D(width / 2, height / 2, frameToRender.stride(kUPlane), |
- frameToRender.buffer(kUPlane)); |
- |
- glActiveTexture(GL_TEXTURE2); |
- glBindTexture(GL_TEXTURE_2D, _textureIds[2]); |
- GlTexSubImage2D(width / 2, height / 2, frameToRender.stride(kVPlane), |
- frameToRender.buffer(kVPlane)); |
- |
- checkGlError("UpdateTextures"); |
-} |
- |
-} // namespace webrtc |