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(gl_raster_font) Add back the old compat code

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This commit is contained in:
Higor Eurípedes 2015-07-19 12:42:36 -03:00
parent f9f98f9f2e
commit 10345e0899
1 changed files with 33 additions and 12 deletions
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45
gfx/drivers_font/gl_raster_font.c
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@ -58,9 +58,10 @@ static bool gl_raster_font_upload_atlas(gl_raster_t *font,
GLenum gl_format = GL_LUMINANCE_ALPHA;
size_t ncomponents = 2;
uint8_t *tmp = NULL;
struct retro_hw_render_callback *cb = video_driver_callback();
bool ancient = false; /* add a check here if needed */
#ifndef HAVE_OPENGLES
struct retro_hw_render_callback *cb = video_driver_callback();
bool modern = font->gl->core_context ||
(cb->context_type == RETRO_HW_CONTEXT_OPENGL &&
cb->version_major >= 3);
@ -74,7 +75,13 @@ static bool gl_raster_font_upload_atlas(gl_raster_t *font,
gl_format = GL_RED;
ncomponents = 1;
}
else
#endif
if (ancient)
{
gl_internal = gl_format = GL_RGBA;
ncomponents = 4;
}
tmp = (uint8_t*)calloc(height, width * ncomponents);
@ -86,18 +93,32 @@ static bool gl_raster_font_upload_atlas(gl_raster_t *font,
const uint8_t *src = &atlas->buffer[i * atlas->width];
uint8_t *dst = &tmp[i * width * ncomponents];
if (ncomponents == 1)
switch (ncomponents)
{
memcpy(dst, src, atlas->width);
src += atlas->width;
}
else if (ncomponents == 2)
{
for (j = 0; j < atlas->width; ++j)
{
*dst++ = 0xff;
*dst++ = *src++;
}
case 1:
memcpy(dst, src, atlas->width);
src += atlas->width;
break;
case 2:
for (j = 0; j < atlas->width; ++j)
{
*dst++ = 0xff;
*dst++ = *src++;
}
break;
case 4:
for (j = 0; j < atlas->width; ++j)
{
*dst++ = 0xff;
*dst++ = 0xff;
*dst++ = 0xff;
*dst++ = *src++;
}
break;
default:
RARCH_ERR("Unsupported number of components: %u\n", (unsigned)ncomponents);
free(tmp);
return false;
}
}