OpenGL presentaion queue *****

projects/apis/opengl/src/presentation_queue/opengl_presentation_queue.c

@@ -0,0 +1,43 @@
+#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 (presentationQueue->presentationQueue->avaliableTextures.count == 0) {}
+    *imageIndex = presentationQueue->presentationQueue->avaliableTextures.data[0];
+    uint32_tArrayListPopHead(&presentationQueue->presentationQueue->avaliableTextures);
+    return GN_SUCCESS;
+}
+void destroyOpenGLPresentationQueue(gnPresentationQueueHandle presentationQueue) {
+    free(presentationQueue->presentationQueue);
+}