diff options
Diffstat (limited to 'jni_mosaic/feature_mos/src/mosaic_renderer/WarpRenderer.cpp')
-rwxr-xr-x | jni_mosaic/feature_mos/src/mosaic_renderer/WarpRenderer.cpp | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/jni_mosaic/feature_mos/src/mosaic_renderer/WarpRenderer.cpp b/jni_mosaic/feature_mos/src/mosaic_renderer/WarpRenderer.cpp deleted file mode 100755 index af6779a3f..000000000 --- a/jni_mosaic/feature_mos/src/mosaic_renderer/WarpRenderer.cpp +++ /dev/null @@ -1,190 +0,0 @@ -/* - * Copyright (C) 2011 The Android Open Source Project - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - */ - -#include "WarpRenderer.h" - -#include <GLES2/gl2ext.h> - -const GLfloat g_vVertices[] = { - -1.f, 1.f, 0.0f, 1.0f, // Position 0 - 0.0f, 1.0f, // TexCoord 0 - 1.f, 1.f, 0.0f, 1.0f, // Position 1 - 1.0f, 1.0f, // TexCoord 1 - -1.f, -1.f, 0.0f, 1.0f, // Position 2 - 0.0f, 0.0f, // TexCoord 2 - 1.f, -1.f, 0.0f, 1.0f, // Position 3 - 1.0f, 0.0f // TexCoord 3 -}; - -const int VERTEX_STRIDE = 6 * sizeof(GLfloat); - -GLushort g_iIndices[] = { 0, 1, 2, 3 }; - -WarpRenderer::WarpRenderer() : Renderer() -{ -} - -WarpRenderer::~WarpRenderer() { -} - -void WarpRenderer::SetViewportMatrix(int w, int h, int W, int H) -{ - for(int i=0; i<16; i++) - { - mViewportMatrix[i] = 0.0f; - } - - mViewportMatrix[0] = float(w)/float(W); - mViewportMatrix[5] = float(h)/float(H); - mViewportMatrix[10] = 1.0f; - mViewportMatrix[12] = -1.0f + float(w)/float(W); - mViewportMatrix[13] = -1.0f + float(h)/float(H); - mViewportMatrix[15] = 1.0f; -} - -void WarpRenderer::SetScalingMatrix(float xscale, float yscale) -{ - for(int i=0; i<16; i++) - { - mScalingMatrix[i] = 0.0f; - } - - mScalingMatrix[0] = xscale; - mScalingMatrix[5] = yscale; - mScalingMatrix[10] = 1.0f; - mScalingMatrix[15] = 1.0f; -} - -bool WarpRenderer::InitializeGLProgram() -{ - bool succeeded = false; - do { - GLuint glProgram; - glProgram = createProgram(VertexShaderSource(), - FragmentShaderSource()); - if (!glProgram) { - break; - } - - glUseProgram(glProgram); - if (!checkGlError("glUseProgram")) break; - - // Get attribute locations - mPositionLoc = glGetAttribLocation(glProgram, "a_position"); - mAffinetransLoc = glGetUniformLocation(glProgram, "u_affinetrans"); - mViewporttransLoc = glGetUniformLocation(glProgram, "u_viewporttrans"); - mScalingtransLoc = glGetUniformLocation(glProgram, "u_scalingtrans"); - mTexCoordLoc = glGetAttribLocation(glProgram, "a_texCoord"); - - // Get sampler location - mSamplerLoc = glGetUniformLocation(glProgram, "s_texture"); - - mGlProgram = glProgram; - succeeded = true; - } while (false); - - if (!succeeded && (mGlProgram != 0)) - { - glDeleteProgram(mGlProgram); - checkGlError("glDeleteProgram"); - mGlProgram = 0; - } - return succeeded; -} - -bool WarpRenderer::DrawTexture(GLfloat *affine) -{ - bool succeeded = false; - do { - bool rt = (mFrameBuffer == NULL)? - SetupGraphics(mSurfaceWidth, mSurfaceHeight) : - SetupGraphics(mFrameBuffer); - - if(!rt) - break; - - glDisable(GL_BLEND); - - glActiveTexture(GL_TEXTURE0); - if (!checkGlError("glActiveTexture")) break; - - const GLenum texture_type = InputTextureType(); - glBindTexture(texture_type, mInputTextureName); - if (!checkGlError("glBindTexture")) break; - - // Set the sampler texture unit to 0 - glUniform1i(mSamplerLoc, 0); - - // Load the vertex position - glVertexAttribPointer(mPositionLoc, 4, GL_FLOAT, - GL_FALSE, VERTEX_STRIDE, g_vVertices); - - // Load the texture coordinate - glVertexAttribPointer(mTexCoordLoc, 2, GL_FLOAT, - GL_FALSE, VERTEX_STRIDE, &g_vVertices[4]); - - glEnableVertexAttribArray(mPositionLoc); - glEnableVertexAttribArray(mTexCoordLoc); - - // pass matrix information to the vertex shader - glUniformMatrix4fv(mAffinetransLoc, 1, GL_FALSE, affine); - glUniformMatrix4fv(mViewporttransLoc, 1, GL_FALSE, mViewportMatrix); - glUniformMatrix4fv(mScalingtransLoc, 1, GL_FALSE, mScalingMatrix); - - // And, finally, execute the GL draw command. - glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, g_iIndices); - - checkGlError("glDrawElements"); - - glBindFramebuffer(GL_FRAMEBUFFER, 0); - succeeded = true; - } while (false); - return succeeded; -} - -const char* WarpRenderer::VertexShaderSource() const -{ - static const char gVertexShader[] = - "uniform mat4 u_affinetrans; \n" - "uniform mat4 u_viewporttrans; \n" - "uniform mat4 u_scalingtrans; \n" - "attribute vec4 a_position; \n" - "attribute vec2 a_texCoord; \n" - "varying vec2 v_texCoord; \n" - "void main() \n" - "{ \n" - " gl_Position = u_scalingtrans * u_viewporttrans * u_affinetrans * a_position; \n" - " v_texCoord = a_texCoord; \n" - "} \n"; - - return gVertexShader; -} - -const char* WarpRenderer::FragmentShaderSource() const -{ - static const char gFragmentShader[] = - "precision mediump float; \n" - "varying vec2 v_texCoord; \n" - "uniform sampler2D s_texture; \n" - "void main() \n" - "{ \n" - " vec4 color; \n" - " color = texture2D(s_texture, v_texCoord); \n" - " gl_FragColor = color; \n" - "} \n"; - - return gFragmentShader; -} |