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(GL) Create gl_renderchain_convert_geometry

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This commit is contained in:
twinaphex 2016-08-02 00:23:21 +02:00
parent d7e28eda8a
commit 9c1155283b
1 changed files with 50 additions and 34 deletions
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84
gfx/drivers/gl.c
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@ -779,6 +779,51 @@ static uintptr_t gl_get_current_framebuffer(void *data)
* When width/height changes or window sizes change,
* we have to recalculate geometry of our FBO. */
static void gl_renderchain_convert_geometry(gl_t *gl,
struct video_fbo_rect *fbo_rect,
struct gfx_fbo_scale *fbo_scale,
unsigned last_width, unsigned last_max_width,
unsigned last_height, unsigned last_max_height,
unsigned vp_width, unsigned vp_height)
{
switch (fbo_scale->type_x)
{
case RARCH_SCALE_INPUT:
fbo_rect->img_width = fbo_scale->scale_x * last_width;
fbo_rect->max_img_width = last_max_width * fbo_scale->scale_x;
break;
case RARCH_SCALE_ABSOLUTE:
fbo_rect->img_width = fbo_rect->max_img_width =
fbo_scale->abs_x;
break;
case RARCH_SCALE_VIEWPORT:
fbo_rect->img_width = fbo_rect->max_img_width =
fbo_scale->scale_x * vp_width;
break;
}
switch (fbo_scale->type_y)
{
case RARCH_SCALE_INPUT:
fbo_rect->img_height = last_height * fbo_scale->scale_y;
fbo_rect->max_img_height = last_max_height * fbo_scale->scale_y;
break;
case RARCH_SCALE_ABSOLUTE:
fbo_rect->img_height = fbo_scale->abs_y;
fbo_rect->max_img_height = fbo_scale->abs_y;
break;
case RARCH_SCALE_VIEWPORT:
fbo_rect->img_height = fbo_rect->max_img_height =
fbo_scale->scale_y * vp_height;
break;
}
}
static void gl_compute_fbo_geometry(gl_t *gl,
unsigned width, unsigned height,
unsigned vp_width, unsigned vp_height)
@ -799,41 +844,12 @@ static void gl_compute_fbo_geometry(gl_t *gl,
struct video_fbo_rect *fbo_rect = &gl->fbo_rect[i];
struct gfx_fbo_scale *fbo_scale = &gl->fbo_scale[i];
switch (gl->fbo_scale[i].type_x)
{
case RARCH_SCALE_INPUT:
fbo_rect->img_width = last_width * fbo_scale->scale_x;
fbo_rect->max_img_width = last_max_width * fbo_scale->scale_x;
break;
gl_renderchain_convert_geometry(gl, fbo_rect, fbo_scale,
last_width, last_max_width,
last_height, last_max_height,
vp_width, vp_height
);
case RARCH_SCALE_ABSOLUTE:
fbo_rect->img_width = fbo_rect->max_img_width =
fbo_scale->abs_x;
break;
case RARCH_SCALE_VIEWPORT:
fbo_rect->img_width = fbo_rect->max_img_width =
fbo_scale->scale_x * vp_width;
break;
}
switch (fbo_scale->type_y)
{
case RARCH_SCALE_INPUT:
fbo_rect->img_height = last_height * fbo_scale->scale_y;
fbo_rect->max_img_height = last_max_height * fbo_scale->scale_y;
break;
case RARCH_SCALE_ABSOLUTE:
fbo_rect->img_height = fbo_scale->abs_y;
fbo_rect->max_img_height = fbo_scale->abs_y;
break;
case RARCH_SCALE_VIEWPORT:
fbo_rect->img_height = fbo_rect->max_img_height =
fbo_scale->scale_y * vp_height;
break;
}
if (fbo_rect->img_width > (unsigned)max_size)
{