diff options
Diffstat (limited to 'jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp')
| -rw-r--r--[-rwxr-xr-x] | jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp | 52 |
1 files changed, 50 insertions, 2 deletions
diff --git a/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp b/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp index af6779a3f..e4755b1ed 100755..100644 --- a/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp +++ b/jni/feature_mos/src/mosaic_renderer/WarpRenderer.cpp @@ -68,6 +68,51 @@ void WarpRenderer::SetScalingMatrix(float xscale, float yscale) mScalingMatrix[15] = 1.0f; } +void WarpRenderer::SetRotation(int degree) +{ + for(int i=0; i<16; i++) + { + mRotationMatrix[i] = 0.0f; + } + + switch(degree) + { + case 0: + mRotationMatrix[0] = 1.0f; + mRotationMatrix[1] = 0.0f; + mRotationMatrix[4] = 0.0f; + mRotationMatrix[5] = 1.0f; + break; + case 90: + mRotationMatrix[0] = 0.0f; + mRotationMatrix[1] = 1.0f; + mRotationMatrix[4] = -1.0f; + mRotationMatrix[5] = 0.0f; + break; + case 180: + mRotationMatrix[0] = -1.0f; + mRotationMatrix[1] = 0.0f; + mRotationMatrix[4] = 0.0f; + mRotationMatrix[5] = -1.0f; + break; + case 270: + mRotationMatrix[0] = 0.0f; + mRotationMatrix[1] = -1.0f; + mRotationMatrix[4] = 1.0f; + mRotationMatrix[5] = 0.0f; + break; + default: + mRotationMatrix[0] = 1.0f; + mRotationMatrix[1] = 0.0f; + mRotationMatrix[4] = 0.0f; + mRotationMatrix[5] = 1.0f; + break; + } + + mRotationMatrix[10] = 1.0f; + mRotationMatrix[15] = 1.0f; +} + bool WarpRenderer::InitializeGLProgram() { bool succeeded = false; @@ -87,6 +132,7 @@ bool WarpRenderer::InitializeGLProgram() mAffinetransLoc = glGetUniformLocation(glProgram, "u_affinetrans"); mViewporttransLoc = glGetUniformLocation(glProgram, "u_viewporttrans"); mScalingtransLoc = glGetUniformLocation(glProgram, "u_scalingtrans"); + mRotationtransLoc = glGetUniformLocation(glProgram, "u_rotationtrans"); mTexCoordLoc = glGetAttribLocation(glProgram, "a_texCoord"); // Get sampler location @@ -110,7 +156,7 @@ bool WarpRenderer::DrawTexture(GLfloat *affine) bool succeeded = false; do { bool rt = (mFrameBuffer == NULL)? - SetupGraphics(mSurfaceWidth, mSurfaceHeight) : + SetupGraphics(mSurfaceXOffset, mSurfaceYOffset, mSurfaceWidth, mSurfaceHeight) : SetupGraphics(mFrameBuffer); if(!rt) @@ -143,6 +189,7 @@ bool WarpRenderer::DrawTexture(GLfloat *affine) glUniformMatrix4fv(mAffinetransLoc, 1, GL_FALSE, affine); glUniformMatrix4fv(mViewporttransLoc, 1, GL_FALSE, mViewportMatrix); glUniformMatrix4fv(mScalingtransLoc, 1, GL_FALSE, mScalingMatrix); + glUniformMatrix4fv(mRotationtransLoc, 1, GL_FALSE, mRotationMatrix); // And, finally, execute the GL draw command. glDrawElements(GL_TRIANGLE_STRIP, 4, GL_UNSIGNED_SHORT, g_iIndices); @@ -161,12 +208,13 @@ const char* WarpRenderer::VertexShaderSource() const "uniform mat4 u_affinetrans; \n" "uniform mat4 u_viewporttrans; \n" "uniform mat4 u_scalingtrans; \n" + "uniform mat4 u_rotationtrans; \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" + " gl_Position = u_scalingtrans * u_viewporttrans * u_affinetrans * u_rotationtrans * a_position; \n" " v_texCoord = a_texCoord; \n" "} \n"; |