mitchellhansen/conways-game-of-life-gpu
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

MY GOD, ITS GLORIOUS

Browse Source
This commit is contained in:
MitchellHansen
2015-12-31 23:24:45 -08:00
parent 88c5cc71e4
commit e25de1bf46
1 changed files with 30 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

34
Conway_OpenCL/HelloWorld.cpp
View File

@@ -181,6 +181,9 @@ int main(int argc, char* argv[])
int err = 0;
sf::Uint8* pixel_array = new sf::Uint8[WINDOW_X * WINDOW_Y * 4];
sf::Texture texture;
texture.create(WINDOW_X, WINDOW_Y);
// ===================================== Loop ==================================================================
while (window.isOpen()) {
@@ -220,9 +223,9 @@ int main(int argc, char* argv[])
status = clSetKernelArg(kernel, 2, sizeof(cl_mem), (void *)&gridWidthBuffer);
status = clSetKernelArg(kernel, 3, sizeof(cl_mem), (void *)&gridHeightBuffer);
//status = clEnqueueWriteBuffer(commandQueue, inputBuffer, CL_TRUE, 0, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), (void*)grid, NULL, 0, NULL);
status = clEnqueueWriteBuffer(commandQueue, inputBuffer, CL_TRUE, 0, GRID_WIDTH * GRID_HEIGHT * 2 * sizeof(char), (void*)grid, NULL, 0, NULL);
// One work item per group, don't really know if this impacts performance
// Work size, for each y line
size_t global_work_size[1] = { GRID_HEIGHT };
// Run the kernel
@@ -243,13 +246,36 @@ int main(int argc, char* argv[])
grid[i] = grid[i + 1];
}
sf::Sprite sprite(texture);
for (int i = 0; i < GRID_WIDTH * GRID_HEIGHT * 2; i += 2) {
if (grid[i] == 1) {
live_node.setPosition(sf::Vector2f(((i / 2) % GRID_WIDTH), (i / 2) / GRID_WIDTH));
window.draw(live_node);
pixel_array[(i/ 2) * 4] = 255; // R?
pixel_array[(i / 2) * 4 + 1] = 255; // G?
pixel_array[(i / 2) * 4 + 2] = 255; // B?
pixel_array[(i / 2) * 4 + 3] = 255; // A?
}
else {
pixel_array[(i / 2) * 4] = 49; // R?
pixel_array[(i / 2) * 4 + 1] = 68; // G?
pixel_array[(i / 2) * 4 + 2] = 72; // B?
pixel_array[(i / 2) * 4 + 3] = 255; // A?
}
}
texture.update(pixel_array);
window.draw(sprite);
//for (int i = 0; i < GRID_WIDTH * GRID_HEIGHT * 2; i += 2) {
// if (grid[i] == 1) {
// live_node.setPosition(sf::Vector2f(((i / 2) % GRID_WIDTH), (i / 2) / GRID_WIDTH));
// window.draw(live_node);
// }
//}
frame_count++;
window.display();