59 lines
1.5 KiB
C
59 lines
1.5 KiB
C
#include "Renderer.h"
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#include "SDL.h"
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#include "SDL_render.h"
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#include "engine_build_config.h"
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#include <stdbool.h>
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#include <stdlib.h>
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#ifdef DEBUG_ENGINE
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#include <stdio.h>
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#endif /* DEBUG_ENGINE */
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struct renderer {
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SDL_Renderer *SDL_base_renderer;
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};
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Renderer *create_renderer() { return (Renderer *)malloc(sizeof(Renderer)); }
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bool init_renderer(Renderer *renderer, SDL_Window *window) {
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if (!renderer || !window) {
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return false;
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}
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renderer->SDL_base_renderer = SDL_CreateRenderer(
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window, -1, SDL_RENDERER_ACCELERATED | SDL_RENDERER_PRESENTVSYNC);
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// Technically speaking, I believe it should be possible to just return
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// the pointer. However, to make sure that everything is clear, I am
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// performing a test that returns true or false based on whether the
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// pointer was initialised or not.
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return renderer->SDL_base_renderer ? true : false;
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}
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void render_clear(const Renderer *renderer, SDL_Color color) {
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SDL_SetRenderDrawColor(renderer->SDL_base_renderer, color.r, color.r, color.b,
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color.a);
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SDL_RenderClear(renderer->SDL_base_renderer);
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}
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void swap_buffers(const Renderer *renderer) {
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SDL_RenderPresent(renderer->SDL_base_renderer);
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}
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void destroy_renderer(Renderer *renderer) {
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if (renderer) {
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if (renderer->SDL_base_renderer) {
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SDL_DestroyRenderer(renderer->SDL_base_renderer);
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renderer->SDL_base_renderer = NULL;
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}
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free(renderer);
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renderer = NULL;
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#ifdef DEBUG_ENGINE
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printf("Renderer destroyed successfully\n");
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#endif /* DEBUG_ENGINE */
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}
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}
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