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(GL) Refactor gl_check_fbo_dimensions

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This commit is contained in:
twinaphex 2015-02-13 02:02:03 +01:00
parent 748556dd57
commit fafd472b2f
1 changed files with 38 additions and 27 deletions
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65
gfx/drivers/gl.c
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@ -891,39 +891,50 @@ static void gl_check_fbo_dimensions(gl_t *gl)
/* Check if we have to recreate our FBO textures. */
for (i = 0; i < gl->fbo_pass; i++)
{
if (gl->fbo_rect[i].max_img_width > gl->fbo_rect[i].width ||
gl->fbo_rect[i].max_img_height > gl->fbo_rect[i].height)
{
/* Check proactively since we might suddently
* get sizes of tex_w width or tex_h height. */
unsigned img_width = gl->fbo_rect[i].max_img_width;
unsigned img_height = gl->fbo_rect[i].max_img_height;
unsigned max = img_width > img_height ? img_width : img_height;
unsigned pow2_size = next_pow2(max);
GLenum status;
unsigned img_width, img_height, max, pow2_size;
bool check_dimensions = false;
struct gl_fbo_rect *fbo_rect = &gl->fbo_rect[i];
gl->fbo_rect[i].width = gl->fbo_rect[i].height = pow2_size;
if (!fbo_rect)
continue;
glBindFramebuffer(RARCH_GL_FRAMEBUFFER, gl->fbo[i]);
glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[i]);
check_dimensions =
(fbo_rect->max_img_width > fbo_rect->width) ||
(fbo_rect->max_img_height > fbo_rect->height);
glTexImage2D(GL_TEXTURE_2D,
0, RARCH_GL_INTERNAL_FORMAT32,
gl->fbo_rect[i].width,
gl->fbo_rect[i].height,
0, RARCH_GL_TEXTURE_TYPE32,
RARCH_GL_FORMAT32, NULL);
if (!check_dimensions)
continue;
glFramebufferTexture2D(RARCH_GL_FRAMEBUFFER,
RARCH_GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
gl->fbo_texture[i], 0);
/* Check proactively since we might suddently
* get sizes of tex_w width or tex_h height. */
img_width = fbo_rect->max_img_width;
img_height = fbo_rect->max_img_height;
max = img_width > img_height ? img_width : img_height;
pow2_size = next_pow2(max);
GLenum status = glCheckFramebufferStatus(RARCH_GL_FRAMEBUFFER);
if (status != RARCH_GL_FRAMEBUFFER_COMPLETE)
RARCH_WARN("Failed to reinitialize FBO texture.\n");
fbo_rect->width = fbo_rect->height = pow2_size;
RARCH_LOG("[GL]: Recreating FBO texture #%d: %ux%u\n",
i, gl->fbo_rect[i].width, gl->fbo_rect[i].height);
}
glBindFramebuffer(RARCH_GL_FRAMEBUFFER, gl->fbo[i]);
glBindTexture(GL_TEXTURE_2D, gl->fbo_texture[i]);
glTexImage2D(GL_TEXTURE_2D,
0, RARCH_GL_INTERNAL_FORMAT32,
fbo_rect->width,
fbo_rect->height,
0, RARCH_GL_TEXTURE_TYPE32,
RARCH_GL_FORMAT32, NULL);
glFramebufferTexture2D(RARCH_GL_FRAMEBUFFER,
RARCH_GL_COLOR_ATTACHMENT0, GL_TEXTURE_2D,
gl->fbo_texture[i], 0);
status = glCheckFramebufferStatus(RARCH_GL_FRAMEBUFFER);
if (status != RARCH_GL_FRAMEBUFFER_COMPLETE)
RARCH_WARN("Failed to reinitialize FBO texture.\n");
RARCH_LOG("[GL]: Recreating FBO texture #%d: %ux%u\n",
i, fbo_rect->width, fbo_rect->height);
}
}