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Add glfw_opengl4

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Rob Loach 2024-08-29 11:15:00 -04:00
parent 8ece4186aa
commit 2c67e9200c
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GPG Key ID: 627C60834A74A21A
1 changed files with 8 additions and 0 deletions
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8
demo/glfw_opengl4/nuklear_glfw_gl4.h
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@ -109,6 +109,7 @@ static struct nk_glfw {
double last_button_click;
int is_double_click_down;
struct nk_vec2 double_click_pos;
float delta_time_seconds_last;
} glfw;
#define NK_SHADER_VERSION "#version 450 core\n"
@ -539,6 +540,8 @@ nk_glfw3_init(GLFWwindow *win, enum nk_glfw_init_state init_state,
glfw.is_double_click_down = nk_false;
glfw.double_click_pos = nk_vec2(0, 0);
glfw.delta_time_seconds_last = (float)glfwGetTime();
return &glfw.ctx;
}
@ -569,6 +572,11 @@ nk_glfw3_new_frame(void)
struct nk_context *ctx = &glfw.ctx;
struct GLFWwindow *win = glfw.win;
/* update the timer */
float delta_time_now = (float)glfwGetTime();
glfw.ctx.delta_time_seconds = delta_time_now - glfw.delta_time_seconds_last;
glfw.delta_time_seconds_last = delta_time_now;
glfwGetWindowSize(win, &glfw.width, &glfw.height);
glfwGetFramebufferSize(win, &glfw.display_width, &glfw.display_height);
glfw.fb_scale.x = (float)glfw.display_width/(float)glfw.width;