Files
Gryphn/projects/apis/opengl/src/presentation_queue/opengl_presentation_queue.c
2025-08-05 09:12:12 -04:00

48 lines
2.2 KiB
C

#include "opengl_presentation_queue.h"
#include "surface/opengl_surface.h"
#include "textures/opengl_texture.h"
gnReturnCode createOpenGLPresentationQueue(gnPresentationQueueHandle presentationQueue, gnOutputDeviceHandle device, gnPresentationQueueInfo presentationInfo) {
presentationQueue->presentationQueue = malloc(sizeof(struct gnPlatformPresentationQueue_t));
uint32_t convertedFormat = glGryphnFormatToOpenGLFormat(presentationInfo.format.format);
presentationQueue->imageCount = presentationInfo.minImageCount;
presentationQueue->images = malloc(sizeof(gnTexture) * presentationInfo.minImageCount);
presentationQueue->presentationQueue->textures = GLuintArrayListCreate();
presentationQueue->presentationQueue->avaliableTextures = uint32_tArrayListCreate();
for (int i = 0; i < presentationInfo.minImageCount; i++) {
presentationQueue->images[i] = malloc(sizeof(struct gnTexture_t));
presentationQueue->images[i]->texture = malloc(sizeof(gnPlatformTexture));
glGenTextures(1, &presentationQueue->images[i]->texture->id);
glTexImage2D(
GL_TEXTURE_2D,
0,
glGryphnFormatToOpenGLInternalFormat(presentationInfo.format.format),
presentationInfo.imageSize.x, presentationInfo.imageSize.y,
0,
glGryphnFormatToOpenGLFormat(presentationInfo.format.format),
GL_UNSIGNED_BYTE,
NULL
);
GLuintArrayListAdd(presentationQueue->presentationQueue->textures, presentationQueue->images[i]->texture->id);
uint32_tArrayListAdd(presentationQueue->presentationQueue->avaliableTextures, i);
}
return GN_SUCCESS;
}
gnReturnCode getOpenGLPresentationQueueImage(gnPresentationQueue presentationQueue, uint32_t* imageIndex) {
while (uint32_tArrayListCount(presentationQueue->presentationQueue->avaliableTextures) == 0) {}
*imageIndex = uint32_tArrayListAt(presentationQueue->presentationQueue->avaliableTextures, 0);
uint32_tArrayListPopHead(presentationQueue->presentationQueue->avaliableTextures);
return GN_SUCCESS;
}
void destroyOpenGLPresentationQueue(gnPresentationQueueHandle presentationQueue) {
free(presentationQueue->presentationQueue);
}
GN_ARRAY_LIST_DEFINITION(GLuint);