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(GL) add a test implementation for gl_read_frame_raw.

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aliaspider 2015-03-16 13:39:25 +01:00
parent 7a72d46f9a
commit a9f6a369bb
1 changed files with 38 additions and 1 deletions
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39
gfx/drivers/gl.c
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@ -2760,6 +2760,39 @@ static bool gl_read_viewport(void *data, uint8_t *buffer)
}
#endif
#if 0
#define READ_RAW_GL_FRAME_TEST
#endif
#if defined(READ_RAW_GL_FRAME_TEST)
static void* gl_read_frame_raw(void *data, unsigned *width_p,
unsigned *height_p, size_t *pitch_p)
{
int i;
gl_t *gl = (gl_t*)data;
unsigned width = gl->last_width[gl->tex_index];
unsigned height = gl->last_height[gl->tex_index];
size_t pitch = gl->tex_w * gl->base_size;
void* buffer = malloc(pitch * height);
void* buffer_texture = malloc(pitch * gl->tex_h);
glBindTexture(GL_TEXTURE_2D, gl->texture[gl->tex_index]);
glGetTexImage(GL_TEXTURE_2D, 0,gl->texture_type, gl->texture_fmt, buffer_texture);
for(i = 0; i < height ; i++)
memcpy((uint8_t*)buffer + i * pitch,
(uint8_t*)buffer_texture + (height - 1 - i) * pitch, pitch);
*width_p = width;
*height_p = height;
*pitch_p = pitch;
free(buffer_texture);
return buffer;
}
#endif
#ifdef HAVE_OVERLAY
static void gl_free_overlay(gl_t *gl);
static bool gl_overlay_load(void *data,
@ -3163,7 +3196,11 @@ video_driver_t video_gl = {
gl_viewport_info,
gl_read_viewport,
NULL, /* read_frame_raw */
#if defined(READ_RAW_GL_FRAME_TEST)
gl_read_frame_raw,
#else
NULL,
#endif
#ifdef HAVE_OVERLAY
gl_get_overlay_interface,