2025-04-10 16:22:03 +09:00

94 lines
2.3 KiB
C

#define GF_EXPOSE_DRAW_PLATFORM
#define GF_EXPOSE_DRAW
#include <gf_pre.h>
/* External library */
#include <GL/gl.h>
#include <GL/glu.h>
#include <GLFW/glfw3.h>
/* Interface */
#include <gf_draw_platform.h>
/* Engine */
#include <gf_draw_driver.h>
#include <gf_log.h>
#include <gf_draw.h>
/* Standard */
#include <string.h>
#include <stdlib.h>
GF_EXPORT void gf_draw_platform_begin(void) {
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 1);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 1);
glfwWindowHint(GLFW_DOUBLEBUFFER, GLFW_TRUE);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_ANY_PROFILE);
}
GF_EXPORT void gf_draw_platform_end(void) {}
GF_EXPORT void gf_glfw_size(GLFWwindow* window, int w, int h) {
gf_draw_t* draw = (gf_draw_t*)glfwGetWindowUserPointer(window);
draw->width = w;
draw->height = h;
glfwSetWindowSize(window, w, h);
gf_draw_reshape(draw);
}
GF_EXPORT int gf_draw_platform_has_extension(gf_draw_t* draw, const char* query) {
const char* ext = NULL;
const char* ptr;
const int len = strlen(query);
glfwMakeContextCurrent(draw->platform->window);
return glfwExtensionSupported(query);
}
GF_EXPORT int gf_draw_platform_step(gf_draw_t* draw) {
int ret = 0;
int w, h;
glfwMakeContextCurrent(draw->platform->window);
draw->close = glfwWindowShouldClose(draw->platform->window);
if(draw->close) glfwSetWindowShouldClose(draw->platform->window, GLFW_FALSE);
glfwPollEvents();
if(ret == 0) {
gf_draw_driver_before(draw);
gf_draw_frame(draw);
gf_draw_driver_after(draw);
glfwSwapBuffers(draw->platform->window);
}
return ret;
}
GF_EXPORT void gf_draw_platform_create(gf_draw_t* draw) {
draw->platform = malloc(sizeof(*draw->platform));
memset(draw->platform, 0, sizeof(*draw->platform));
draw->platform->window = glfwCreateWindow(draw->width, draw->height, draw->title, NULL, NULL);
if(draw->platform->window == NULL) {
gf_function_log(NULL, "Failed to create window", "");
gf_draw_destroy(draw);
return;
}
glfwSetWindowUserPointer(draw->platform->window, draw);
glfwSetWindowSizeCallback(draw->platform->window, gf_glfw_size);
glfwMakeContextCurrent(draw->platform->window);
#ifdef DO_SWAP_INTERVAL
glfwSwapInterval(1);
#endif
}
GF_EXPORT void gf_draw_platform_destroy(gf_draw_t* draw) {
if(draw->platform->window != NULL) {
glfwDestroyWindow(draw->platform->window);
}
free(draw->platform);
}