/**************************************************************************
*
* Copyright 2010 Vmware, Inc.
* 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 VMWARE 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
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**************************************************************************/
#include "pipe/p_screen.h"
#include "util/u_format.h"
#include "util/u_debug.h"
#include "u_caps.h"
/**
* Iterates over a list of caps checks as defined in u_caps.h. Should
* all checks pass returns TRUE and out is set to the last element of
* the list (TERMINATE). Should any check fail returns FALSE and set
* out to the index of the start of the first failing check.
*/
boolean
util_check_caps_out(struct pipe_screen *screen, const unsigned *list, int *out)
{
int i, tmpi;
float tmpf;
for (i = 0; list[i];) {
switch(list[i++]) {
case UTIL_CAPS_CHECK_CAP:
if (!screen->get_param(screen, list[i++])) {
*out = i - 2;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_INT:
tmpi = screen->get_param(screen, list[i++]);
if (tmpi < (int)list[i++]) {
*out = i - 3;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_FLOAT:
tmpf = screen->get_paramf(screen, list[i++]);
if (tmpf < (float)list[i++]) {
*out = i - 3;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_FORMAT:
if (!screen->is_format_supported(screen,
list[i++],
PIPE_TEXTURE_2D,
0,
PIPE_BIND_SAMPLER_VIEW)) {
*out = i - 2;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_SHADER:
tmpi = screen->get_shader_param(screen, list[i] >> 24, list[i] & ((1 << 24) - 1));
++i;
if (tmpi < (int)list[i++]) {
*out = i - 3;
return FALSE;
}
break;
case UTIL_CAPS_CHECK_UNIMPLEMENTED:
*out = i - 1;
return FALSE;
default:
assert(!"Unsupported check");
return FALSE;
}
}
*out = i;
return TRUE;
}
/**
* Iterates over a list of caps checks as defined in u_caps.h.
* Returns TRUE if all caps checks pass returns FALSE otherwise.
*/
boolean
util_check_caps(struct pipe_screen *screen, const unsigned *list)
{
int out;
return util_check_caps_out(screen, list, &out);
}
/*
* Below follows some demo lists.
*
* None of these lists are exhausting lists of what is
* actually needed to support said API and more here for
* as example on how to uses the above functions. Especially
* for DX10 and DX11 where Gallium is missing features.
*/
/* DX 9_1 */
static unsigned caps_dx_9_1[] = {
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 12), /* 2048 */
UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9), /* 256 */
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10), /* 512 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 2),
UTIL_CHECK_TERMINATE
};
/* DX 9_2 */
static unsigned caps_dx_9_2[] = {
UTIL_CHECK_CAP(OCCLUSION_QUERY),
UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 1),
UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 12), /* 2048 */
UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9), /* 256 */
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10), /* 512 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
UTIL_CHECK_TERMINATE
};
/* DX 9_3 */
static unsigned caps_dx_9_3[] = {
UTIL_CHECK_CAP(SM3),
//UTIL_CHECK_CAP(INSTANCING),
UTIL_CHECK_CAP(OCCLUSION_QUERY),
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 4),
UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 13), /* 4096 */
UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 9), /* 256 */
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 10), /* 512 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
UTIL_CHECK_TERMINATE
};
/* DX 10 */
static unsigned caps_dx_10[] = {
UTIL_CHECK_CAP(SM3),
//UTIL_CHECK_CAP(INSTANCING),
UTIL_CHECK_CAP(OCCLUSION_QUERY),
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8),
UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 14), /* 8192 */
UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12), /* 2048 */
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14), /* 8192 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
UTIL_CHECK_TERMINATE
};
/* DX11 */
static unsigned caps_dx_11[] = {
UTIL_CHECK_CAP(SM3),
//UTIL_CHECK_CAP(INSTANCING),
UTIL_CHECK_CAP(OCCLUSION_QUERY),
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8),
UTIL_CHECK_INT(MAX_TEXTURE_2D_LEVELS, 14), /* 16384 */
UTIL_CHECK_INT(MAX_TEXTURE_3D_LEVELS, 12), /* 2048 */
UTIL_CHECK_INT(MAX_TEXTURE_CUBE_LEVELS, 14), /* 16384 */
UTIL_CHECK_FLOAT(MAX_TEXTURE_ANISOTROPY, 16),
UTIL_CHECK_FORMAT(B8G8R8A8_UNORM),
UTIL_CHECK_UNIMPLEMENTED, /* XXX Unimplemented features in Gallium */
UTIL_CHECK_TERMINATE
};
/* OpenGL 2.1 */
static unsigned caps_opengl_2_1[] = {
UTIL_CHECK_CAP(OCCLUSION_QUERY),
UTIL_CHECK_CAP(TWO_SIDED_STENCIL),
UTIL_CHECK_CAP(BLEND_EQUATION_SEPARATE),
UTIL_CHECK_INT(MAX_RENDER_TARGETS, 2),
UTIL_CHECK_TERMINATE
};
/* OpenGL 3.0 */
/* UTIL_CHECK_INT(MAX_RENDER_TARGETS, 8), */
/* Shader Model 3 */
static unsigned caps_sm3[] = {
UTIL_CHECK_SHADER(FRAGMENT, MAX_INSTRUCTIONS, 512),
UTIL_CHECK_SHADER(FRAGMENT, MAX_INPUTS, 10),
UTIL_CHECK_SHADER(FRAGMENT, MAX_TEMPS, 32),
UTIL_CHECK_SHADER(FRAGMENT, MAX_ADDRS, 1),
UTIL_CHECK_SHADER(FRAGMENT, MAX_CONSTS, 224),
UTIL_CHECK_SHADER(VERTEX, MAX_INSTRUCTIONS, 512),
UTIL_CHECK_SHADER(VERTEX, MAX_INPUTS, 16),
UTIL_CHECK_SHADER(VERTEX, MAX_TEMPS, 32),
UTIL_CHECK_SHADER(VERTEX, MAX_ADDRS, 2),
UTIL_CHECK_SHADER(VERTEX, MAX_CONSTS, 256),
UTIL_CHECK_TERMINATE
};
/**
* Demo function which checks against theoretical caps needed for different APIs.
*/
void util_caps_demo_print(struct pipe_screen *screen)
{
struct {
char* name;
unsigned *list;
} list[] = {
{"DX 9.1", caps_dx_9_1},
{"DX 9.2", caps_dx_9_2},
{"DX 9.3", caps_dx_9_3},
{"DX 10", caps_dx_10},
{"DX 11", caps_dx_11},
{"OpenGL 2.1", caps_opengl_2_1},
/* {"OpenGL 3.0", caps_opengl_3_0},*/
{"SM3", caps_sm3},
{NULL, NULL}
};
int i, out = 0;
for (i = 0; list[i].name; i++) {
if (util_check_caps_out(screen, list[i].list, &out)) {
debug_printf("%s: %s yes\n", __FUNCTION__, list[i].name);
continue;
}
switch (list[i].list[out]) {
case UTIL_CAPS_CHECK_CAP:
debug_printf("%s: %s no (cap %u not supported)\n", __FUNCTION__,
list[i].name,
list[i].list[out + 1]);
break;
case UTIL_CAPS_CHECK_INT:
debug_printf("%s: %s no (cap %u less then %u)\n", __FUNCTION__,
list[i].name,
list[i].list[out + 1],
list[i].list[out + 2]);
break;
case UTIL_CAPS_CHECK_FLOAT:
debug_printf("%s: %s no (cap %u less then %f)\n", __FUNCTION__,
list[i].name,
list[i].list[out + 1],
(double)(int)list[i].list[out + 2]);
break;
case UTIL_CAPS_CHECK_FORMAT:
debug_printf("%s: %s no (format %s not supported)\n", __FUNCTION__,
list[i].name,
util_format_name(list[i].list[out + 1]) + 12);
break;
case UTIL_CAPS_CHECK_UNIMPLEMENTED:
debug_printf("%s: %s no (not implemented in gallium or state tracker)\n",
__FUNCTION__, list[i].name);
break;
default:
assert(!"Unsupported check");
}
}
}