diff options
Diffstat (limited to 'src/render_opencl.c')
| -rw-r--r-- | src/render_opencl.c | 89 |
1 files changed, 69 insertions, 20 deletions
diff --git a/src/render_opencl.c b/src/render_opencl.c index 84fc314..055a7f3 100644 --- a/src/render_opencl.c +++ b/src/render_opencl.c @@ -7,16 +7,21 @@ #include "render_opencl.h" +void idle_opencl_dummy(void) +{ + glutPostRedisplay(); +} + void init_opencl(OpenCLConfig *config) { - x_min_s = -2.0; - x_max_s = 1.0; - y_min_s = -1.0; - y_max_s = 1.0; - x_min = x_min_s; - x_max = x_max_s; - y_min = y_min_s; - y_max = y_max_s; + x_min_s_cl = -2.0; + x_max_s_cl = 1.0; + y_min_s_cl = -1.0; + y_max_s_cl = 1.0; + x_min_cl = x_min_s_cl; + x_max_cl = x_max_s_cl; + y_min_cl = y_min_s_cl; + y_max_cl = y_max_s_cl; config_opencl = config; output = (cl_uint *) malloc((config_opencl->width) * (config_opencl->height) * sizeof(cl_uchar4)); @@ -126,6 +131,7 @@ void init_opencl(OpenCLConfig *config) { flags = strcat(flags, "-D MUL_ADD=mad "); } + printf("flags: %s\n", flags); program = clCreateProgramWithSource(context, 1, (const char **)&cl_src, (const size_t *)&cl_src_sz, &ret); ret = clBuildProgram(program, num_devices, devices, flags, NULL, NULL); for (cl_uint i = 0; i < num_devices; i++) @@ -147,12 +153,12 @@ void render_opencl(void) cl_double y_max_t; cl_float y_max_t_f; - cl_double x_delta = ((x_max - x_min) / (double) config_opencl->width); - cl_double y_delta = -((y_max - y_min) / (double) config_opencl->height); + cl_double x_delta = ((x_max_cl - x_min_cl) / (double) config_opencl->width); + cl_double y_delta = -((y_max_cl - y_min_cl) / (double) config_opencl->height); cl_float x_delta_f = (float) x_delta; cl_float y_delta_f = (float) y_delta; - cl_float x_min_f = (float) x_min; + cl_float x_min_f = (float) x_min_cl; globalThreads[0] = ((config_opencl->width) * (config_opencl->height)) / num_devices; @@ -171,7 +177,7 @@ void render_opencl(void) localThreads[0] = kernelWorkGroupSize; } - y_max_t = (((y_min + y_max) / 2.0) + (y_max - y_min) / 2.0 - ((double) i * (y_max - y_min)) / (double) num_devices); + y_max_t = (((y_min_cl + y_max_cl) / 2.0) + (y_max_cl - y_min_cl) / 2.0 - ((double) i * (y_max_cl - y_min_cl)) / (double) num_devices); ret = clSetKernelArg(kernel, 0, sizeof(cl_mem), (void *) &outputBuffer[i]); @@ -189,7 +195,7 @@ void render_opencl(void) ret = clSetKernelArg(kernel, 4, sizeof(cl_float), (void *) &y_delta_f); break; case OPENCL_FPU_64: - ret = clSetKernelArg(kernel, 1, sizeof(cl_double), (void *) &x_min); + ret = clSetKernelArg(kernel, 1, sizeof(cl_double), (void *) &x_min_cl); ret = clSetKernelArg(kernel, 2, sizeof(cl_double), (void *) &y_max_t); ret = clSetKernelArg(kernel, 3, sizeof(cl_double), (void *) &x_delta); ret = clSetKernelArg(kernel, 4, sizeof(cl_double), (void *) &y_delta); @@ -238,6 +244,11 @@ void render_opencl(void) ret = clReleaseEvent(events[num_devices - i - 1]); } + glBindTexture(GL_TEXTURE_2D, config_opencl->tex); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, config_opencl->width, + config_opencl->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, config_opencl->arr); + glBindTexture(GL_TEXTURE_2D, 0); + glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); glBindTexture(GL_TEXTURE_2D, config_opencl->tex); glEnable(GL_TEXTURE_2D); @@ -256,14 +267,13 @@ void render_opencl(void) void idle_opencl(void) { - static int t_old; int t = 0, delta = 0; do { t = glutGet(GLUT_ELAPSED_TIME); - delta = t - t_old; + delta = t - t_old_opencl; } while (delta < 16); // TODO: Hardcoded FPS - t_old = t; + t_old_opencl = t; //glGenTextures(1, &tex); glBindTexture(GL_TEXTURE_2D, config_opencl->tex); @@ -273,9 +283,48 @@ void idle_opencl(void) config_opencl->height, 0, GL_RGBA, GL_UNSIGNED_BYTE, config_opencl->arr); glBindTexture(GL_TEXTURE_2D, 0); cl_ft += (config_opencl->speed * (delta / 1000.0)); - x_min = x_min_s + config_opencl->zoom_func(cl_ft, (d64) 2.0 + config_opencl->to_x); - y_min = y_min_s + config_opencl->zoom_func(cl_ft, (d64) 1.0 + config_opencl->to_y); - x_max = x_max_s - config_opencl->zoom_func(cl_ft, (d64) 1.0 - config_opencl->to_x); - y_max = y_max_s - config_opencl->zoom_func(cl_ft, (d64) 1.0 - config_opencl->to_y); + x_min_cl = x_min_s_cl + config_opencl->zoom_func(cl_ft, (cl_double) 2.0 + config_opencl->to_x); + y_min_cl = y_min_s_cl + config_opencl->zoom_func(cl_ft, (cl_double) 1.0 + config_opencl->to_y); + x_max_cl = x_max_s_cl - config_opencl->zoom_func(cl_ft, (cl_double) 1.0 - config_opencl->to_x); + y_max_cl = y_max_s_cl - config_opencl->zoom_func(cl_ft, (cl_double) 1.0 - config_opencl->to_y); glutPostRedisplay(); } + +void keyboard_opencl(unsigned char key, int mouseX, int mouseY) +{ + switch (key) + { + case 'i': + config_opencl->iterations++; + break; + case 'd': + config_opencl->iterations--; + break; + } +} + +void mouse_opencl(int button, int state, int x, int y) +{ + if (state == GLUT_DOWN) + { + switch (button) + { + case GLUT_LEFT_BUTTON: + if (config_opencl->speed < 0) + config_opencl->speed = (-1) * config_opencl->speed; + break; + case GLUT_RIGHT_BUTTON: + if (config_opencl->speed > 0) + config_opencl->speed = (-1) * config_opencl->speed; + break; + } + config_opencl->to_x = x_min_cl + ((d64) x * (x_max_cl - x_min_cl)) / config_opencl->width; + config_opencl->to_y = y_min_cl + ((d64) y * (y_max_cl - y_min_cl)) / config_opencl->height; + t_old_opencl = glutGet(GLUT_ELAPSED_TIME); + glutIdleFunc(idle_opencl); + } + else if(state == GLUT_UP) + { + glutIdleFunc(idle_opencl_dummy); + } +} |