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Implement WGL core context.

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This commit is contained in:
Themaister 2013-06-23 13:05:33 +02:00
parent e28f5d7cc1
commit b090f5ab36
3 changed files with 55 additions and 6 deletions
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56
gfx/context/wgl_ctx.c
View File

@ -39,6 +39,8 @@ static HDC g_hdc;
static HMONITOR g_last_hm;
static HMONITOR g_all_hms[MAX_MONITORS];
static unsigned g_num_mons;
static unsigned g_major;
static unsigned g_minor;
static bool g_quit;
static bool g_inited;
@ -58,6 +60,9 @@ static void gfx_ctx_destroy(void);
static BOOL (APIENTRY *p_swap_interval)(int);
typedef HGLRC (APIENTRY *wglCreateContextAttribsProc)(HDC, HGLRC, const int*);
static wglCreateContextAttribsProc pcreate_context;
static void setup_pixel_format(HDC hdc)
{
PIXELFORMATDESCRIPTOR pfd = {0};
@ -87,7 +92,53 @@ static void create_gl_context(HWND hwnd)
g_quit = true;
}
else
{
g_quit = true;
return;
}
if (g_major * 1000 + g_minor >= 3001) // Create core context
{
#ifndef WGL_CONTEXT_MAJOR_VERSION_ARB
#define WGL_CONTEXT_MAJOR_VERSION_ARB 0x2091
#endif
#ifndef WGL_CONTEXT_MINOR_VERSION_ARB
#define WGL_CONTEXT_MINOR_VERSION_ARB 0x2092
#endif
#ifndef WGL_CONTEXT_PROFILE_MASK_ARB
#define WGL_CONTEXT_PROFILE_MASK_ARB 0x9126
#endif
#ifndef WGL_CONTEXT_CORE_PROFILE_BIT_ARB
#define WGL_CONTEXT_CORE_PROFILE_BIT_ARB 0x0001
#endif
const int attribs[] = {
WGL_CONTEXT_MAJOR_VERSION_ARB, g_major,
WGL_CONTEXT_MINOR_VERSION_ARB, g_minor,
WGL_CONTEXT_PROFILE_MASK_ARB, WGL_CONTEXT_CORE_PROFILE_BIT_ARB,
0,
};
if (!pcreate_context)
pcreate_context = (wglCreateContextAttribsProc)wglGetProcAddress("wglCreateContextAttribsARB");
if (pcreate_context)
{
HGLRC context = pcreate_context(g_hdc, NULL, attribs);
if (context)
{
wglMakeCurrent(NULL, NULL);
wglDeleteContext(g_hrc);
g_hrc = context;
if (!wglMakeCurrent(g_hdc, g_hrc))
g_quit = true;
}
else
RARCH_ERR("[WGL]: Failed to create core context. Falling back to legacy context.\n");
}
else
RARCH_ERR("[WGL]: wglCreateContextAttribsARB not supported.\n");
}
}
static bool BrowseForFile(char *filename)
@ -462,6 +513,7 @@ static void gfx_ctx_destroy(void)
}
g_inited = false;
g_major = g_minor = 0;
}
static void gfx_ctx_input_driver(const input_driver_t **input, void **input_data)
@ -486,8 +538,8 @@ static gfx_ctx_proc_t gfx_ctx_get_proc_address(const char *symbol)
static bool gfx_ctx_bind_api(enum gfx_ctx_api api, unsigned major, unsigned minor)
{
(void)major;
(void)minor;
g_major = major;
g_minor = minor;
return api == GFX_CTX_OPENGL_API;
}

3
gfx/gl.c
View File

@ -182,9 +182,6 @@ static PFNGLDELETEVERTEXARRAYSPROC pglDeleteVertexArrays;
static bool load_vao_proc(gl_t *gl)
{
if (!gl_query_extension(gl, "ARB_vertex_array_object"))
return false;
LOAD_GL_SYM(GenVertexArrays);
LOAD_GL_SYM(BindVertexArray);
LOAD_GL_SYM(DeleteVertexArrays);

2
libretro-test-gl/libretro-test.c
View File

@ -325,7 +325,7 @@ void retro_run(void)
pglBindFramebuffer(GL_FRAMEBUFFER, hw_render.get_current_framebuffer());
glClearColor(0.3, 0.4, 0.5, 1.0);
glViewport(0, 0, width, height);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT);
pglUseProgram(prog);