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Fix build for Win32.

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This commit is contained in:
Themaister 2011-03-06 22:18:25 +01:00
parent b541c27226
commit 9535097894
1 changed files with 40 additions and 8 deletions
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48
gfx/gl.c
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@ -80,6 +80,34 @@ static const GLfloat fbo_tex_coords[] = {
1, 0
};
#ifdef _WIN32
static PFNGLGENFRAMEBUFFERSPROC pglGenFramebuffers = NULL;
static PFNGLBINDFRAMEBUFFERPROC pglBindFramebuffer = NULL;
static PFNGLFRAMEBUFFERTEXTURE2DPROC pglFramebufferTexture2D = NULL;
static PFNGLCHECKFRAMEBUFFERSTATUSPROC pglCheckFramebufferStatus = NULL;
static PFNGLDELETEFRAMEBUFFERSPROC pglDeleteFramebuffers = NULL;
#define LOAD_SYM(sym) p##sym = ((void*)SDL_GL_GetProcAddress(#sym))
static bool load_fbo_proc(void)
{
LOAD_SYM(glGenFramebuffers);
LOAD_SYM(glBindFramebuffer);
LOAD_SYM(glFramebufferTexture2D);
LOAD_SYM(glCheckFramebufferStatus);
LOAD_SYM(glDeleteFramebuffers);
return pglGenFramebuffers && pglBindFramebuffer && pglFramebufferTexture2D &&
pglCheckFramebufferStatus && pglDeleteFramebuffers;
}
#else
#define pglGenFramebuffers glGenFramebuffers
#define pglBindFramebuffer glBindFramebuffer
#define pglFramebufferTexture2D glFramebufferTexture2D
#define pglCheckFramebufferStatus glCheckFramebufferStatus
#define pglDeleteFramebuffers glDeleteFramebuffers
static bool load_fbo_proc(void) { return true; }
#endif
typedef struct gl
{
bool vsync;
@ -252,6 +280,9 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
if (!g_settings.video.render_to_texture)
return;
if (!load_fbo_proc())
return;
float scale_x = g_settings.video.fbo_scale_x;
float scale_y = g_settings.video.fbo_scale_y;
unsigned xscale = next_pow_2(ceil(scale_x));
@ -277,11 +308,11 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
free(tmp);
glBindTexture(GL_TEXTURE_2D, 0);
glGenFramebuffers(1, &gl->fbo);
glBindFramebuffer(GL_FRAMEBUFFER, gl->fbo);
glFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gl->fbo_texture, 0);
pglGenFramebuffers(1, &gl->fbo);
pglBindFramebuffer(GL_FRAMEBUFFER, gl->fbo);
pglFramebufferTexture2D(GL_FRAMEBUFFER, GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D, gl->fbo_texture, 0);
GLenum status = glCheckFramebufferStatus(GL_FRAMEBUFFER);
GLenum status = pglCheckFramebufferStatus(GL_FRAMEBUFFER);
if (status == GL_FRAMEBUFFER_COMPLETE)
{
gl->fbo_inited = true;
@ -290,7 +321,7 @@ static void gl_init_fbo(gl_t *gl, unsigned width, unsigned height)
else
{
glDeleteTextures(1, &gl->fbo_texture);
glDeleteFramebuffers(1, &gl->fbo);
pglDeleteFramebuffers(1, &gl->fbo);
SSNES_WARN("Failed to set up FBO. Two-pass shading will not work.\n");
}
}
@ -305,6 +336,7 @@ static inline void gl_deinit_font(gl_t *gl)
}
#endif
}
////////////
static inline unsigned get_alignment(unsigned pitch)
{
@ -460,7 +492,7 @@ static bool gl_frame(void *data, const uint16_t* frame, unsigned width, unsigned
if (gl->fbo_inited)
{
glBindTexture(GL_TEXTURE_2D, gl->texture);
glBindFramebuffer(GL_FRAMEBUFFER, gl->fbo);
pglBindFramebuffer(GL_FRAMEBUFFER, gl->fbo);
gl->render_to_tex = true;
set_viewport(gl, width * gl->fbo_scale_x, height * gl->fbo_scale_y, true);
}
@ -510,7 +542,7 @@ static bool gl_frame(void *data, const uint16_t* frame, unsigned width, unsigned
if (gl->fbo_inited)
{
// Render our FBO texture to back buffer.
glBindFramebuffer(GL_FRAMEBUFFER, 0);
pglBindFramebuffer(GL_FRAMEBUFFER, 0);
gl_shader_use(2);
glClear(GL_COLOR_BUFFER_BIT);
@ -552,7 +584,7 @@ static void gl_free(void *data)
if (gl->fbo_inited)
{
glDeleteTextures(1, &gl->fbo_texture);
glDeleteFramebuffers(1, &gl->fbo);
pglDeleteFramebuffers(1, &gl->fbo);
}
SDL_QuitSubSystem(SDL_INIT_VIDEO);
}