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/**************************************************************************
*
* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#include "pipe/p_util.h"
#include "pipe/p_winsys.h"
#include "util/u_string.h"
#include "brw_context.h"
#include "brw_screen.h"
#include "brw_tex_layout.h"
static const char *
brw_get_vendor( struct pipe_screen *screen )
{
return "Tungsten Graphics, Inc.";
}
static const char *
brw_get_name( struct pipe_screen *screen )
{
static char buffer[128];
const char *chipset;
switch (brw_screen(screen)->pci_id) {
case PCI_CHIP_I965_Q:
chipset = "Intel(R) 965Q";
break;
case PCI_CHIP_I965_G:
case PCI_CHIP_I965_G_1:
chipset = "Intel(R) 965G";
break;
case PCI_CHIP_I965_GM:
chipset = "Intel(R) 965GM";
break;
case PCI_CHIP_I965_GME:
chipset = "Intel(R) 965GME/GLE";
break;
default:
chipset = "unknown";
break;
}
util_snprintf(buffer, sizeof(buffer), "i965 (chipset: %s)", chipset);
return buffer;
}
static int
brw_get_param(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
return 8;
case PIPE_CAP_NPOT_TEXTURES:
return 1;
case PIPE_CAP_TWO_SIDED_STENCIL:
return 1;
case PIPE_CAP_GLSL:
return 0;
case PIPE_CAP_S3TC:
return 0;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 0;
case PIPE_CAP_POINT_SPRITE:
return 0;
case PIPE_CAP_MAX_RENDER_TARGETS:
return 1;
case PIPE_CAP_OCCLUSION_QUERY:
return 0;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 1;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return 11; /* max 1024x1024 */
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return 8; /* max 128x128x128 */
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return 11; /* max 1024x1024 */
default:
return 0;
}
}
static float
brw_get_paramf(struct pipe_screen *screen, int param)
{
switch (param) {
case PIPE_CAP_MAX_LINE_WIDTH:
/* fall-through */
case PIPE_CAP_MAX_LINE_WIDTH_AA:
return 7.5;
case PIPE_CAP_MAX_POINT_WIDTH:
/* fall-through */
case PIPE_CAP_MAX_POINT_WIDTH_AA:
return 255.0;
case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
return 4.0;
case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
return 16.0;
default:
return 0;
}
}
static boolean
brw_is_format_supported( struct pipe_screen *screen,
enum pipe_format format, uint type )
{
#if 0
/* XXX: This is broken -- rewrite if still needed. */
static const unsigned tex_supported[] = {
PIPE_FORMAT_U_R8_G8_B8_A8,
PIPE_FORMAT_U_A8_R8_G8_B8,
PIPE_FORMAT_U_R5_G6_B5,
PIPE_FORMAT_U_L8,
PIPE_FORMAT_U_A8,
PIPE_FORMAT_U_I8,
PIPE_FORMAT_U_L8_A8,
PIPE_FORMAT_YCBCR,
PIPE_FORMAT_YCBCR_REV,
PIPE_FORMAT_S8_Z24,
};
/* Actually a lot more than this - add later:
*/
static const unsigned render_supported[] = {
PIPE_FORMAT_U_A8_R8_G8_B8,
PIPE_FORMAT_U_R5_G6_B5,
};
/*
*/
static const unsigned z_stencil_supported[] = {
PIPE_FORMAT_U_Z16,
PIPE_FORMAT_U_Z32,
PIPE_FORMAT_S8_Z24,
};
switch (type) {
case PIPE_RENDER_FORMAT:
*numFormats = Elements(render_supported);
return render_supported;
case PIPE_TEX_FORMAT:
*numFormats = Elements(tex_supported);
return render_supported;
case PIPE_Z_STENCIL_FORMAT:
*numFormats = Elements(render_supported);
return render_supported;
default:
*numFormats = 0;
return NULL;
}
#else
switch (format) {
case PIPE_FORMAT_A8R8G8B8_UNORM:
case PIPE_FORMAT_R5G6B5_UNORM:
case PIPE_FORMAT_S8Z24_UNORM:
return TRUE;
default:
return FALSE;
};
return FALSE;
#endif
}
static void
brw_destroy_screen( struct pipe_screen *screen )
{
FREE(screen);
}
/**
* Create a new brw_screen object
*/
struct pipe_screen *
brw_create_screen(struct pipe_winsys *winsys, uint pci_id)
{
struct brw_screen *brwscreen = CALLOC_STRUCT(brw_screen);
if (!brwscreen)
return NULL;
brwscreen->pci_id = pci_id;
brwscreen->screen.winsys = winsys;
brwscreen->screen.destroy = brw_destroy_screen;
brwscreen->screen.get_name = brw_get_name;
brwscreen->screen.get_vendor = brw_get_vendor;
brwscreen->screen.get_param = brw_get_param;
brwscreen->screen.get_paramf = brw_get_paramf;
brwscreen->screen.is_format_supported = brw_is_format_supported;
brw_init_screen_texture_funcs(&brwscreen->screen);
return &brwscreen->screen;
}
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