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/*
* Copyright © 2004 David Reveman
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of
* David Reveman not be used in advertising or publicity pertaining to
* distribution of the software without specific, written prior permission.
* David Reveman makes no representations about the suitability of this
* software for any purpose. It is provided "as is" without express or
* implied warranty.
*
* DAVID REVEMAN DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN
* NO EVENT SHALL DAVID REVEMAN BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: David Reveman <davidr@novell.com>
*/
#ifdef HAVE_CONFIG_H
# include "../config.h"
#endif
#include "glitzint.h"
#include <stdlib.h>
static struct _texture_format {
glitz_gl_int_t texture_format;
glitz_format_t format;
} _texture_formats[] = {
{ GLITZ_GL_ALPHA4, { 0, { GLITZ_FOURCC_RGB, 0, 0, 0, 4 } } },
{ GLITZ_GL_ALPHA8, { 0, { GLITZ_FOURCC_RGB, 0, 0, 0, 8 } } },
{ GLITZ_GL_ALPHA12, { 0, { GLITZ_FOURCC_RGB, 0, 0, 0, 12 } } },
{ GLITZ_GL_ALPHA16, { 0, { GLITZ_FOURCC_RGB, 0, 0, 0, 16 } } },
{ GLITZ_GL_R3_G3_B2, { 0, { GLITZ_FOURCC_RGB, 3, 3, 2, 0 } } },
{ GLITZ_GL_RGB4, { 0, { GLITZ_FOURCC_RGB, 4, 4, 4, 0 } } },
{ GLITZ_GL_RGB5, { 0, { GLITZ_FOURCC_RGB, 5, 6, 5, 0 } } },
{ GLITZ_GL_RGB8, { 0, { GLITZ_FOURCC_RGB, 8, 8, 8, 0 } } },
{ GLITZ_GL_RGB10, { 0, { GLITZ_FOURCC_RGB, 10, 10, 10, 0 } } },
{ GLITZ_GL_RGB12, { 0, { GLITZ_FOURCC_RGB, 12, 12, 12, 0 } } },
{ GLITZ_GL_RGB16, { 0, { GLITZ_FOURCC_RGB, 16, 16, 16, 0 } } },
{ GLITZ_GL_RGBA2, { 0, { GLITZ_FOURCC_RGB, 2, 2, 2, 2 } } },
{ GLITZ_GL_RGB5_A1, { 0, { GLITZ_FOURCC_RGB, 5, 5, 5, 1 } } },
{ GLITZ_GL_RGBA4, { 0, { GLITZ_FOURCC_RGB, 4, 4, 4, 4 } } },
{ GLITZ_GL_RGBA8, { 0, { GLITZ_FOURCC_RGB, 8, 8, 8, 8 } } },
{ GLITZ_GL_RGB10_A2, { 0, { GLITZ_FOURCC_RGB, 10, 10, 10, 2 } } },
{ GLITZ_GL_RGBA12, { 0, { GLITZ_FOURCC_RGB, 12, 12, 12, 12 } } },
{ GLITZ_GL_RGBA16, { 0, { GLITZ_FOURCC_RGB, 16, 16, 16, 16 } } }
};
static glitz_format_t _texture_format_yv12 = {
0, { GLITZ_FOURCC_YV12, 0, 0, 0, 0 }
};
static void
_glitz_add_texture_format (glitz_format_t **formats,
glitz_gl_int_t **texture_formats,
int *n_formats,
glitz_gl_int_t texture_format,
glitz_format_t *format)
{
*formats = realloc (*formats, sizeof (glitz_format_t) * (*n_formats + 1));
*texture_formats = realloc (*texture_formats,
sizeof (glitz_gl_enum_t) * (*n_formats + 1));
if (*formats && *texture_formats) {
(*texture_formats)[*n_formats] = texture_format;
(*formats)[*n_formats] = *format;
(*formats)[*n_formats].id = *n_formats;
(*n_formats)++;
} else
*n_formats = 0;
}
void
glitz_create_surface_formats (glitz_gl_proc_address_list_t *gl,
glitz_format_t **formats,
glitz_gl_int_t **texture_formats,
int *n_formats,
unsigned long features)
{
glitz_gl_int_t value;
int i, n_texture_formats;
n_texture_formats =
sizeof (_texture_formats) / sizeof (struct _texture_format);
for (i = 0; i < n_texture_formats; i++) {
switch (_texture_formats[i].format.color.fourcc) {
case GLITZ_FOURCC_RGB:
gl->tex_image_2d (GLITZ_GL_PROXY_TEXTURE_2D, 0,
_texture_formats[i].texture_format, 1, 1, 0,
GLITZ_GL_RGBA, GLITZ_GL_UNSIGNED_BYTE, NULL);
if (_texture_formats[i].format.color.red_size) {
gl->get_tex_level_parameter_iv (GLITZ_GL_PROXY_TEXTURE_2D, 0,
GLITZ_GL_TEXTURE_RED_SIZE,
&value);
if (value != _texture_formats[i].format.color.red_size)
continue;
}
if (_texture_formats[i].format.color.green_size) {
gl->get_tex_level_parameter_iv (GLITZ_GL_PROXY_TEXTURE_2D, 0,
GLITZ_GL_TEXTURE_GREEN_SIZE,
&value);
if (value != _texture_formats[i].format.color.green_size)
continue;
}
if (_texture_formats[i].format.color.blue_size) {
gl->get_tex_level_parameter_iv (GLITZ_GL_PROXY_TEXTURE_2D, 0,
GLITZ_GL_TEXTURE_BLUE_SIZE,
&value);
if (value != _texture_formats[i].format.color.blue_size)
continue;
}
if (_texture_formats[i].format.color.alpha_size) {
gl->get_tex_level_parameter_iv (GLITZ_GL_PROXY_TEXTURE_2D, 0,
GLITZ_GL_TEXTURE_ALPHA_SIZE,
&value);
if (value != _texture_formats[i].format.color.alpha_size)
continue;
}
break;
default:
continue;
}
_glitz_add_texture_format (formats,
texture_formats,
n_formats,
_texture_formats[i].texture_format,
&_texture_formats[i].format);
}
/* formats used for YUV surfaces */
if (features & GLITZ_FEATURE_FRAGMENT_PROGRAM_MASK)
{
_glitz_add_texture_format (formats, texture_formats, n_formats,
GLITZ_GL_LUMINANCE8, &_texture_format_yv12);
}
}
static void
_glitz_add_drawable_format (glitz_int_drawable_format_t *format,
glitz_int_drawable_format_t **formats,
int *n_formats)
{
void *ptr;
ptr = realloc (*formats,
sizeof (glitz_int_drawable_format_t) * (*n_formats + 1));
if (ptr)
{
*formats = ptr;
(*formats)[*n_formats] = *format;
(*n_formats)++;
}
}
/* TODO: Available drawable formats needs to be validated in a similar way
as surface formats. */
void
_glitz_add_drawable_formats (glitz_gl_proc_address_list_t *gl,
unsigned long feature_mask,
glitz_int_drawable_format_t **formats,
int *n_formats)
{
if (feature_mask & GLITZ_FEATURE_FRAMEBUFFER_OBJECT_MASK)
{
glitz_int_drawable_format_t format;
glitz_drawable_format_t d[] = {
{ 0, { GLITZ_FOURCC_RGB, 8, 8, 8, 0 }, 32, 0, 0, 1, 0, GLITZ_PIXEL_SCANLINE_ORDER_TOP_DOWN },
{ 0, { GLITZ_FOURCC_RGB, 8, 8, 8, 8 }, 32, 0, 0, 1, 0, GLITZ_PIXEL_SCANLINE_ORDER_TOP_DOWN },
{ 0, { GLITZ_FOURCC_RGB, 8, 8, 8, 0 }, 32, 24, 8, 1, 1, GLITZ_PIXEL_SCANLINE_ORDER_TOP_DOWN },
{ 0, { GLITZ_FOURCC_RGB, 8, 8, 8, 8 }, 32, 24, 8, 1, 1, GLITZ_PIXEL_SCANLINE_ORDER_TOP_DOWN }
};
int i;
format.types = GLITZ_DRAWABLE_TYPE_FBO_MASK;
format.caveat = 0;
format.u.val = 0;
for (i = 0; i < sizeof (d) / sizeof (d[0]); i++)
{
format.d = d[i];
format.d.id = *n_formats;
_glitz_add_drawable_format (&format, formats, n_formats);
}
}
}
void
glitz_drawable_format_copy (const glitz_drawable_format_t *src,
glitz_drawable_format_t *dst,
unsigned long mask)
{
if (mask & GLITZ_FORMAT_ID_MASK)
dst->id = src->id;
if (mask & GLITZ_FORMAT_FOURCC_MASK)
dst->color.fourcc = src->color.fourcc;
if (mask & GLITZ_FORMAT_RED_SIZE_MASK)
dst->color.red_size = src->color.red_size;
if (mask & GLITZ_FORMAT_GREEN_SIZE_MASK)
dst->color.green_size = src->color.green_size;
if (mask & GLITZ_FORMAT_BLUE_SIZE_MASK)
dst->color.blue_size = src->color.blue_size;
if (mask & GLITZ_FORMAT_ALPHA_SIZE_MASK)
dst->color.alpha_size = src->color.alpha_size;
if (mask & GLITZ_FORMAT_DEPTH_SIZE_MASK)
dst->depth_size = src->depth_size;
if (mask & GLITZ_FORMAT_STENCIL_SIZE_MASK)
dst->stencil_size = src->stencil_size;
if (mask & GLITZ_FORMAT_DOUBLEBUFFER_MASK)
dst->doublebuffer = src->doublebuffer;
if (mask & GLITZ_FORMAT_SAMPLES_MASK)
dst->samples = src->samples;
if (mask & GLITZ_FORMAT_SCANLINE_ORDER_MASK)
dst->scanline_order = src->scanline_order;
if (mask & GLITZ_FORMAT_DEPTH_MASK)
dst->depth = src->depth;
}
glitz_drawable_format_t *
glitz_drawable_format_find (glitz_int_drawable_format_t *formats,
int n_formats,
unsigned long mask,
const glitz_int_drawable_format_t *templ,
int count)
{
for (; n_formats; n_formats--, formats++)
{
if (mask & GLITZ_FORMAT_ID_MASK)
if (templ->d.id != formats->d.id)
continue;
if (mask & GLITZ_FORMAT_FOURCC_MASK)
if (templ->d.color.fourcc != formats->d.color.fourcc)
continue;
if (mask & GLITZ_FORMAT_RED_SIZE_MASK)
if (templ->d.color.red_size != formats->d.color.red_size)
continue;
if (mask & GLITZ_FORMAT_GREEN_SIZE_MASK)
if (templ->d.color.green_size != formats->d.color.green_size)
continue;
if (mask & GLITZ_FORMAT_BLUE_SIZE_MASK)
if (templ->d.color.blue_size != formats->d.color.blue_size)
continue;
if (mask & GLITZ_FORMAT_ALPHA_SIZE_MASK)
if (templ->d.color.alpha_size != formats->d.color.alpha_size)
continue;
if (mask & GLITZ_FORMAT_DEPTH_SIZE_MASK)
if (templ->d.depth_size != formats->d.depth_size)
continue;
if (mask & GLITZ_FORMAT_STENCIL_SIZE_MASK)
if (templ->d.stencil_size != formats->d.stencil_size)
continue;
if (mask & GLITZ_FORMAT_DOUBLEBUFFER_MASK)
if (templ->d.doublebuffer != formats->d.doublebuffer)
continue;
if (mask & GLITZ_FORMAT_SAMPLES_MASK)
if (templ->d.samples != formats->d.samples)
continue;
if (mask & GLITZ_FORMAT_SCANLINE_ORDER_MASK)
if (templ->d.scanline_order != formats->d.scanline_order)
continue;
if (mask & GLITZ_FORMAT_DEPTH_MASK)
if (templ->d.depth != formats->d.depth)
continue;
if (mask & GLITZ_INT_FORMAT_WINDOW_MASK)
if ((templ->types & GLITZ_DRAWABLE_TYPE_WINDOW_MASK) !=
(formats->types & GLITZ_DRAWABLE_TYPE_WINDOW_MASK))
continue;
if (mask & GLITZ_INT_FORMAT_PBUFFER_MASK)
if ((templ->types & GLITZ_DRAWABLE_TYPE_PBUFFER_MASK) !=
(formats->types & GLITZ_DRAWABLE_TYPE_PBUFFER_MASK))
continue;
if (mask & GLITZ_INT_FORMAT_FBO_MASK)
if ((templ->types & GLITZ_DRAWABLE_TYPE_FBO_MASK) !=
(formats->types & GLITZ_DRAWABLE_TYPE_FBO_MASK))
continue;
if (count-- == 0)
return &formats->d;
}
return NULL;
}
static glitz_format_t *
_glitz_format_find (glitz_format_t *formats,
int n_formats,
unsigned long mask,
const glitz_format_t *templ,
int count)
{
for (; n_formats; n_formats--, formats++) {
if (mask & GLITZ_FORMAT_ID_MASK)
if (templ->id != formats->id)
continue;
if (mask & GLITZ_FORMAT_FOURCC_MASK)
if (templ->color.fourcc != formats->color.fourcc)
continue;
if (mask & GLITZ_FORMAT_RED_SIZE_MASK)
if (templ->color.red_size != formats->color.red_size)
continue;
if (mask & GLITZ_FORMAT_GREEN_SIZE_MASK)
if (templ->color.green_size != formats->color.green_size)
continue;
if (mask & GLITZ_FORMAT_BLUE_SIZE_MASK)
if (templ->color.blue_size != formats->color.blue_size)
continue;
if (mask & GLITZ_FORMAT_ALPHA_SIZE_MASK)
if (templ->color.alpha_size != formats->color.alpha_size)
continue;
if (count-- == 0)
return formats;
}
return NULL;
}
glitz_format_t *
glitz_find_format (glitz_drawable_t *drawable,
unsigned long mask,
const glitz_format_t *templ,
int count)
{
return _glitz_format_find (drawable->backend->formats,
drawable->backend->n_formats,
mask, templ, count);
}
glitz_format_t *
glitz_find_standard_format (glitz_drawable_t *drawable,
glitz_format_name_t format_name)
{
glitz_format_t templ;
unsigned long mask = GLITZ_FORMAT_RED_SIZE_MASK |
GLITZ_FORMAT_GREEN_SIZE_MASK | GLITZ_FORMAT_BLUE_SIZE_MASK |
GLITZ_FORMAT_ALPHA_SIZE_MASK | GLITZ_FORMAT_FOURCC_MASK;
templ.color.fourcc = GLITZ_FOURCC_RGB;
templ.color.red_size = 0;
templ.color.green_size = 0;
templ.color.blue_size = 0;
templ.color.alpha_size = 0;
switch (format_name) {
case GLITZ_STANDARD_ARGB32:
templ.color.red_size = 8;
templ.color.green_size = 8;
templ.color.blue_size = 8;
templ.color.alpha_size = 8;
break;
case GLITZ_STANDARD_RGB24:
templ.color.red_size = 8;
templ.color.green_size = 8;
templ.color.blue_size = 8;
break;
case GLITZ_STANDARD_A8:
templ.color.alpha_size = 8;
break;
case GLITZ_STANDARD_A1:
templ.color.alpha_size = 1;
break;
}
return glitz_find_format (drawable, mask, &templ, 0);
}
glitz_drawable_format_t *
glitz_find_drawable_format (glitz_drawable_t *other,
unsigned long mask,
const glitz_drawable_format_t *templ,
int count)
{
glitz_int_drawable_format_t itempl;
glitz_drawable_format_copy (templ, &itempl.d, mask);
itempl.types = GLITZ_DRAWABLE_TYPE_FBO_MASK;
mask |= GLITZ_INT_FORMAT_FBO_MASK;
return glitz_drawable_format_find (other->backend->drawable_formats,
other->backend->n_drawable_formats,
mask, &itempl, count);
}
slim_hidden_def(glitz_find_drawable_format);
glitz_drawable_format_t *
glitz_find_pbuffer_format (glitz_drawable_t *other,
unsigned long mask,
const glitz_drawable_format_t *templ,
int count)
{
glitz_int_drawable_format_t itempl;
glitz_drawable_format_copy (templ, &itempl.d, mask);
itempl.types = GLITZ_DRAWABLE_TYPE_PBUFFER_MASK;
mask |= GLITZ_INT_FORMAT_PBUFFER_MASK;
return glitz_drawable_format_find (other->backend->drawable_formats,
other->backend->n_drawable_formats,
mask, &itempl, count);
}
slim_hidden_def(glitz_find_pbuffer_format);
glitz_drawable_format_t *
glitz_find_pixmap_format (glitz_drawable_t *other,
unsigned long mask,
const glitz_drawable_format_t *templ,
int count)
{
glitz_int_drawable_format_t itempl;
glitz_drawable_format_copy (templ, &itempl.d, mask);
itempl.types = GLITZ_DRAWABLE_TYPE_WINDOW_MASK;
mask |= GLITZ_DRAWABLE_TYPE_WINDOW_MASK;
return glitz_drawable_format_find (other->backend->drawable_formats,
other->backend->n_drawable_formats,
mask, &itempl, count);
}
slim_hidden_def(glitz_find_pixmap_format);
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