diff options
| -rw-r--r-- | client2.cpp | 37 |
1 files changed, 20 insertions, 17 deletions
diff --git a/client2.cpp b/client2.cpp index e0cfdac..4b8cf70 100644 --- a/client2.cpp +++ b/client2.cpp @@ -269,6 +269,22 @@ void calc_undistort_maps(float px_per_deg, int width, int height, Mat& map1, Mat initUndistortRectifyMap(camera_matrix, dist_coeffs, Mat(), camera_matrix2, Size(width,height), CV_32FC1, map1, map2); } +void genFramebuffer(GLuint& frameBuffer, GLuint& texColorBuffer, int w, int h) +{ + glGenFramebuffers(1, &frameBuffer); + glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer); + + glGenTextures(1, &texColorBuffer); + glBindTexture(GL_TEXTURE_2D, texColorBuffer); + + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, w, h, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); + + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); + + glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texColorBuffer, 0); +} + int main(int argc, const char** argv) { @@ -313,21 +329,8 @@ int main(int argc, const char** argv) // Framebuffer stuff - GLuint frameBuffer; - glGenFramebuffers(1, &frameBuffer); - glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer); - - GLuint texColorBuffer; - glGenTextures(1, &texColorBuffer); - glBindTexture(GL_TEXTURE_2D, texColorBuffer); - - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, CANVAS_WIDTH, CANVAS_HEIGHT, 0, GL_RGB, GL_UNSIGNED_BYTE, NULL); - - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR); - glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR); - - glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, texColorBuffer, 0); - + GLuint canvasFB, canvasTex; + genFramebuffer(canvasFB, canvasTex, CANVAS_WIDTH, CANVAS_HEIGHT); @@ -496,7 +499,7 @@ int main(int argc, const char** argv) glBufferData(GL_ARRAY_BUFFER, sizeof(vertices), vertices, GL_STATIC_DRAW); - glBindFramebuffer(GL_FRAMEBUFFER, frameBuffer); + glBindFramebuffer(GL_FRAMEBUFFER, canvasFB); glViewport(0,0,CANVAS_WIDTH,CANVAS_HEIGHT); glBindVertexArray(vaoCanvas); glUseProgram(shaderProgram); @@ -510,7 +513,7 @@ int main(int argc, const char** argv) glBindVertexArray(vaoQuad); glUseProgram(quadShaderProgram); glActiveTexture(GL_TEXTURE0); - glBindTexture(GL_TEXTURE_2D, texColorBuffer); + glBindTexture(GL_TEXTURE_2D, canvasTex); glDrawArrays(GL_TRIANGLES, 0, 6); |