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mesa/src/gallium/drivers/svga/svga_screen.c
Marek Olšák 0354b769c2 gallium: remove PIPE_CAP_MAX_COMBINED_SAMPLERS 
This can be derived from the shader caps.

All GPUs from ATI/AMD, NVIDIA, and INTEL have separate texture slots
for each shader stage.
2014-02-04 20:19:16 +01:00

733 lines
22 KiB
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/**********************************************************
* Copyright 2008-2009 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, sublicense, 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 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
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* 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 "util/u_format.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_string.h"
#include "util/u_math.h"
#include "svga_winsys.h"
#include "svga_public.h"
#include "svga_context.h"
#include "svga_format.h"
#include "svga_screen.h"
#include "svga_resource_texture.h"
#include "svga_resource.h"
#include "svga_debug.h"
#include "svga3d_shaderdefs.h"
#ifdef DEBUG
int SVGA_DEBUG = 0;
static const struct debug_named_value svga_debug_flags[] = {
{ "dma", DEBUG_DMA, NULL },
{ "tgsi", DEBUG_TGSI, NULL },
{ "pipe", DEBUG_PIPE, NULL },
{ "state", DEBUG_STATE, NULL },
{ "screen", DEBUG_SCREEN, NULL },
{ "tex", DEBUG_TEX, NULL },
{ "swtnl", DEBUG_SWTNL, NULL },
{ "const", DEBUG_CONSTS, NULL },
{ "viewport", DEBUG_VIEWPORT, NULL },
{ "views", DEBUG_VIEWS, NULL },
{ "perf", DEBUG_PERF, NULL },
{ "flush", DEBUG_FLUSH, NULL },
{ "sync", DEBUG_SYNC, NULL },
{ "cache", DEBUG_CACHE, NULL },
DEBUG_NAMED_VALUE_END
};
#endif
static const char *
svga_get_vendor( struct pipe_screen *pscreen )
{
return "VMware, Inc.";
}
static const char *
svga_get_name( struct pipe_screen *pscreen )
{
const char *build = "", *llvm = "", *mutex = "";
static char name[100];
#ifdef DEBUG
/* Only return internal details in the DEBUG version:
*/
build = "build: DEBUG;";
mutex = "mutex: " PIPE_ATOMIC ";";
#ifdef HAVE_LLVM
llvm = "LLVM;";
#endif
#else
build = "build: RELEASE;";
#endif
util_snprintf(name, sizeof(name), "SVGA3D; %s %s %s", build, mutex, llvm);
return name;
}
static float
svga_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_winsys_screen *sws = svgascreen->sws;
SVGA3dDevCapResult result;
switch (param) {
case PIPE_CAPF_MAX_LINE_WIDTH:
return svgascreen->maxLineWidth;
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
return svgascreen->maxLineWidthAA;
case PIPE_CAPF_MAX_POINT_WIDTH:
/* fall-through */
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
return svgascreen->maxPointSize;
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
if(!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_ANISOTROPY, &result))
return 4.0f;
return (float) result.u;
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
return 15.0;
case PIPE_CAPF_GUARD_BAND_LEFT:
case PIPE_CAPF_GUARD_BAND_TOP:
case PIPE_CAPF_GUARD_BAND_RIGHT:
case PIPE_CAPF_GUARD_BAND_BOTTOM:
return 0.0;
}
debug_printf("Unexpected PIPE_CAPF_ query %u\n", param);
return 0;
}
static int
svga_get_param(struct pipe_screen *screen, enum pipe_cap param)
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_winsys_screen *sws = svgascreen->sws;
SVGA3dDevCapResult result;
switch (param) {
case PIPE_CAP_NPOT_TEXTURES:
case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
return 1;
case PIPE_CAP_TWO_SIDED_STENCIL:
return 1;
case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
return 0;
case PIPE_CAP_ANISOTROPIC_FILTER:
return 1;
case PIPE_CAP_POINT_SPRITE:
return 1;
case PIPE_CAP_TGSI_TEXCOORD:
return 0;
case PIPE_CAP_MAX_RENDER_TARGETS:
return svgascreen->max_color_buffers;
case PIPE_CAP_OCCLUSION_QUERY:
return 1;
case PIPE_CAP_QUERY_TIME_ELAPSED:
return 0;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 1;
case PIPE_CAP_TEXTURE_SWIZZLE:
return 1;
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
return 0;
case PIPE_CAP_USER_VERTEX_BUFFERS:
case PIPE_CAP_USER_INDEX_BUFFERS:
return 0;
case PIPE_CAP_USER_CONSTANT_BUFFERS:
return 1;
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
return 16;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
{
unsigned levels = SVGA_MAX_TEXTURE_LEVELS;
if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_WIDTH, &result))
levels = MIN2(util_logbase2(result.u) + 1, levels);
else
levels = 12 /* 2048x2048 */;
if (sws->get_cap(sws, SVGA3D_DEVCAP_MAX_TEXTURE_HEIGHT, &result))
levels = MIN2(util_logbase2(result.u) + 1, levels);
else
levels = 12 /* 2048x2048 */;
return levels;
}
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VOLUME_EXTENT, &result))
return 8; /* max 128x128x128 */
return MIN2(util_logbase2(result.u) + 1, SVGA_MAX_TEXTURE_LEVELS);
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
/*
* No mechanism to query the host, and at least limited to 2048x2048 on
* certain hardware.
*/
return MIN2(screen->get_param(screen, PIPE_CAP_MAX_TEXTURE_2D_LEVELS),
12 /* 2048x2048 */);
case PIPE_CAP_BLEND_EQUATION_SEPARATE: /* req. for GL 1.5 */
return 1;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
return 1;
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
return 0;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
return 0;
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 1;
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
return 1; /* The color outputs of vertex shaders are not clamped */
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
return 0; /* The driver can't clamp vertex colors */
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
return 0; /* The driver can't clamp fragment colors */
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
return 1; /* expected for GL_ARB_framebuffer_object */
case PIPE_CAP_GLSL_FEATURE_LEVEL:
return 120;
case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
return 0;
case PIPE_CAP_SM3:
return 1;
/* Unsupported features */
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
case PIPE_CAP_SHADER_STENCIL_EXPORT:
case PIPE_CAP_DEPTH_CLIP_DISABLE:
case PIPE_CAP_SEAMLESS_CUBE_MAP:
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
case PIPE_CAP_PRIMITIVE_RESTART:
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
case PIPE_CAP_MIN_TEXEL_OFFSET:
case PIPE_CAP_MAX_TEXEL_OFFSET:
case PIPE_CAP_CONDITIONAL_RENDER:
case PIPE_CAP_TEXTURE_BARRIER:
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_COMPUTE:
case PIPE_CAP_START_INSTANCE:
case PIPE_CAP_QUERY_TIMESTAMP:
case PIPE_CAP_TEXTURE_MULTISAMPLE:
case PIPE_CAP_CUBE_MAP_ARRAY:
case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
case PIPE_CAP_TGSI_VS_LAYER:
return 0;
case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
return 64;
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
return 1;
case PIPE_CAP_MAX_VIEWPORTS:
return 1;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_LITTLE;
}
debug_printf("Unexpected PIPE_CAP_ query %u\n", param);
return 0;
}
static int svga_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
struct svga_screen *svgascreen = svga_screen(screen);
struct svga_winsys_screen *sws = svgascreen->sws;
SVGA3dDevCapResult result;
switch (shader)
{
case PIPE_SHADER_FRAGMENT:
switch (param)
{
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return 512;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return SVGA3D_MAX_NESTING_LEVEL;
case PIPE_SHADER_CAP_MAX_INPUTS:
return 10;
case PIPE_SHADER_CAP_MAX_CONSTS:
return 224;
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return 1;
case PIPE_SHADER_CAP_MAX_TEMPS:
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_FRAGMENT_SHADER_TEMPS, &result))
return 32;
return MIN2(result.u, SVGA3D_TEMPREG_MAX);
case PIPE_SHADER_CAP_MAX_ADDRS:
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
/*
* Although PS 3.0 has some addressing abilities it can only represent
* loops that can be statically determined and unrolled. Given we can
* only handle a subset of the cases that the state tracker already
* does it is better to defer loop unrolling to the state tracker.
*/
return 0;
case PIPE_SHADER_CAP_MAX_PREDS:
return 1;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 0;
case PIPE_SHADER_CAP_SUBROUTINES:
return 0;
case PIPE_SHADER_CAP_INTEGERS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return 16;
default:
debug_printf("Unexpected fragment shader query %u\n", param);
return 0;
}
break;
case PIPE_SHADER_VERTEX:
switch (param)
{
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_INSTRUCTIONS, &result))
return 512;
return result.u;
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
/* XXX: until we have vertex texture support */
return 0;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return SVGA3D_MAX_NESTING_LEVEL;
case PIPE_SHADER_CAP_MAX_INPUTS:
return 16;
case PIPE_SHADER_CAP_MAX_CONSTS:
return 256;
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return 1;
case PIPE_SHADER_CAP_MAX_TEMPS:
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_VERTEX_SHADER_TEMPS, &result))
return 32;
return MIN2(result.u, SVGA3D_TEMPREG_MAX);
case PIPE_SHADER_CAP_MAX_ADDRS:
return 1;
case PIPE_SHADER_CAP_MAX_PREDS:
return 1;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
return 0;
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
return 1;
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
return 0;
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
case PIPE_SHADER_CAP_SUBROUTINES:
return 0;
case PIPE_SHADER_CAP_INTEGERS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return 0;
default:
debug_printf("Unexpected vertex shader query %u\n", param);
return 0;
}
break;
case PIPE_SHADER_GEOMETRY:
case PIPE_SHADER_COMPUTE:
/* no support for geometry or compute shaders at this time */
return 0;
default:
debug_printf("Unexpected shader type (%u) query\n", shader);
return 0;
}
return 0;
}
/**
* Implemnt pipe_screen::is_format_supported().
* \param bindings bitmask of PIPE_BIND_x flags
*/
static boolean
svga_is_format_supported( struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned bindings)
{
struct svga_screen *ss = svga_screen(screen);
SVGA3dSurfaceFormat svga_format;
SVGA3dSurfaceFormatCaps caps;
SVGA3dSurfaceFormatCaps mask;
assert(bindings);
if (sample_count > 1) {
return FALSE;
}
svga_format = svga_translate_format(ss, format, bindings);
if (svga_format == SVGA3D_FORMAT_INVALID) {
return FALSE;
}
/*
* Override host capabilities, so that we end up with the same
* visuals for all virtual hardware implementations.
*/
if (bindings & PIPE_BIND_DISPLAY_TARGET) {
switch (svga_format) {
case SVGA3D_A8R8G8B8:
case SVGA3D_X8R8G8B8:
case SVGA3D_R5G6B5:
break;
/* Often unsupported/problematic. This means we end up with the same
* visuals for all virtual hardware implementations.
*/
case SVGA3D_A4R4G4B4:
case SVGA3D_A1R5G5B5:
return FALSE;
default:
return FALSE;
}
}
/*
* Query the host capabilities.
*/
svga_get_format_cap(ss, svga_format, &caps);
mask.value = 0;
if (bindings & PIPE_BIND_RENDER_TARGET) {
mask.offscreenRenderTarget = 1;
}
if (bindings & PIPE_BIND_DEPTH_STENCIL) {
mask.zStencil = 1;
}
if (bindings & PIPE_BIND_SAMPLER_VIEW) {
mask.texture = 1;
}
if (target == PIPE_TEXTURE_CUBE) {
mask.cubeTexture = 1;
}
if (target == PIPE_TEXTURE_3D) {
mask.volumeTexture = 1;
}
return (caps.value & mask.value) == mask.value;
}
static void
svga_fence_reference(struct pipe_screen *screen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence)
{
struct svga_winsys_screen *sws = svga_screen(screen)->sws;
sws->fence_reference(sws, ptr, fence);
}
static boolean
svga_fence_signalled(struct pipe_screen *screen,
struct pipe_fence_handle *fence)
{
struct svga_winsys_screen *sws = svga_screen(screen)->sws;
return sws->fence_signalled(sws, fence, 0) == 0;
}
static boolean
svga_fence_finish(struct pipe_screen *screen,
struct pipe_fence_handle *fence,
uint64_t timeout)
{
struct svga_winsys_screen *sws = svga_screen(screen)->sws;
SVGA_DBG(DEBUG_DMA|DEBUG_PERF, "%s fence_ptr %p\n",
__FUNCTION__, fence);
return sws->fence_finish(sws, fence, 0) == 0;
}
static int
svga_get_driver_query_info(struct pipe_screen *screen,
unsigned index,
struct pipe_driver_query_info *info)
{
static const struct pipe_driver_query_info queries[] = {
{"draw-calls", SVGA_QUERY_DRAW_CALLS, 0, FALSE},
{"fallbacks", SVGA_QUERY_FALLBACKS, 0, FALSE},
{"memory-used", SVGA_QUERY_MEMORY_USED, 0, TRUE}
};
if (!info)
return Elements(queries);
if (index >= Elements(queries))
return 0;
*info = queries[index];
return 1;
}
static void
svga_destroy_screen( struct pipe_screen *screen )
{
struct svga_screen *svgascreen = svga_screen(screen);
svga_screen_cache_cleanup(svgascreen);
pipe_mutex_destroy(svgascreen->swc_mutex);
pipe_mutex_destroy(svgascreen->tex_mutex);
svgascreen->sws->destroy(svgascreen->sws);
FREE(svgascreen);
}
/**
* Create a new svga_screen object
*/
struct pipe_screen *
svga_screen_create(struct svga_winsys_screen *sws)
{
struct svga_screen *svgascreen;
struct pipe_screen *screen;
SVGA3dDevCapResult result;
boolean use_vs30, use_ps30;
#ifdef DEBUG
SVGA_DEBUG = debug_get_flags_option("SVGA_DEBUG", svga_debug_flags, 0 );
#endif
svgascreen = CALLOC_STRUCT(svga_screen);
if (!svgascreen)
goto error1;
svgascreen->debug.force_level_surface_view =
debug_get_bool_option("SVGA_FORCE_LEVEL_SURFACE_VIEW", FALSE);
svgascreen->debug.force_surface_view =
debug_get_bool_option("SVGA_FORCE_SURFACE_VIEW", FALSE);
svgascreen->debug.force_sampler_view =
debug_get_bool_option("SVGA_FORCE_SAMPLER_VIEW", FALSE);
svgascreen->debug.no_surface_view =
debug_get_bool_option("SVGA_NO_SURFACE_VIEW", FALSE);
svgascreen->debug.no_sampler_view =
debug_get_bool_option("SVGA_NO_SAMPLER_VIEW", FALSE);
screen = &svgascreen->screen;
screen->destroy = svga_destroy_screen;
screen->get_name = svga_get_name;
screen->get_vendor = svga_get_vendor;
screen->get_param = svga_get_param;
screen->get_shader_param = svga_get_shader_param;
screen->get_paramf = svga_get_paramf;
screen->is_format_supported = svga_is_format_supported;
screen->context_create = svga_context_create;
screen->fence_reference = svga_fence_reference;
screen->fence_signalled = svga_fence_signalled;
screen->fence_finish = svga_fence_finish;
screen->get_driver_query_info = svga_get_driver_query_info;
svgascreen->sws = sws;
svga_init_screen_resource_functions(svgascreen);
if (sws->get_hw_version) {
svgascreen->hw_version = sws->get_hw_version(sws);
} else {
svgascreen->hw_version = SVGA3D_HWVERSION_WS65_B1;
}
use_ps30 =
sws->get_cap(sws, SVGA3D_DEVCAP_FRAGMENT_SHADER_VERSION, &result) &&
result.u >= SVGA3DPSVERSION_30 ? TRUE : FALSE;
use_vs30 =
sws->get_cap(sws, SVGA3D_DEVCAP_VERTEX_SHADER_VERSION, &result) &&
result.u >= SVGA3DVSVERSION_30 ? TRUE : FALSE;
/* we require Shader model 3.0 or later */
if (!use_ps30 || !use_vs30)
goto error2;
/*
* The D16, D24X8, and D24S8 formats always do an implicit shadow compare
* when sampled from, where as the DF16, DF24, and D24S8_INT do not. So
* we prefer the later when available.
*
* This mimics hardware vendors extensions for D3D depth sampling. See also
* http://aras-p.info/texts/D3D9GPUHacks.html
*/
{
boolean has_df16, has_df24, has_d24s8_int;
SVGA3dSurfaceFormatCaps caps;
SVGA3dSurfaceFormatCaps mask;
mask.value = 0;
mask.zStencil = 1;
mask.texture = 1;
svgascreen->depth.z16 = SVGA3D_Z_D16;
svgascreen->depth.x8z24 = SVGA3D_Z_D24X8;
svgascreen->depth.s8z24 = SVGA3D_Z_D24S8;
svga_get_format_cap(svgascreen, SVGA3D_Z_DF16, &caps);
has_df16 = (caps.value & mask.value) == mask.value;
svga_get_format_cap(svgascreen, SVGA3D_Z_DF24, &caps);
has_df24 = (caps.value & mask.value) == mask.value;
svga_get_format_cap(svgascreen, SVGA3D_Z_D24S8_INT, &caps);
has_d24s8_int = (caps.value & mask.value) == mask.value;
/* XXX: We might want some other logic here.
* Like if we only have d24s8_int we should
* emulate the other formats with that.
*/
if (has_df16) {
svgascreen->depth.z16 = SVGA3D_Z_DF16;
}
if (has_df24) {
svgascreen->depth.x8z24 = SVGA3D_Z_DF24;
}
if (has_d24s8_int) {
svgascreen->depth.s8z24 = SVGA3D_Z_D24S8_INT;
}
}
/* Query device caps
*/
if (!sws->get_cap(sws, SVGA3D_DEVCAP_LINE_STIPPLE, &result))
svgascreen->haveLineStipple = FALSE;
else
svgascreen->haveLineStipple = result.u;
if (!sws->get_cap(sws, SVGA3D_DEVCAP_LINE_AA, &result))
svgascreen->haveLineSmooth = FALSE;
else
svgascreen->haveLineSmooth = result.u;
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_LINE_WIDTH, &result))
svgascreen->maxLineWidth = 1.0F;
else
svgascreen->maxLineWidth = result.f;
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_AA_LINE_WIDTH, &result))
svgascreen->maxLineWidthAA = 1.0F;
else
svgascreen->maxLineWidthAA = result.f;
if (0)
debug_printf("svga: haveLineStip %u "
"haveLineSmooth %u maxLineWidth %f\n",
svgascreen->haveLineStipple, svgascreen->haveLineSmooth,
svgascreen->maxLineWidth);
if (!sws->get_cap(sws, SVGA3D_DEVCAP_MAX_POINT_SIZE, &result)) {
svgascreen->maxPointSize = 1.0F;
} else {
/* Keep this to a reasonable size to avoid failures in
* conform/pntaa.c:
*/
svgascreen->maxPointSize = MIN2(result.f, 80.0f);
}
/* The SVGA3D device always supports 4 targets at this time, regardless
* of what querying SVGA3D_DEVCAP_MAX_RENDER_TARGETS might return.
*/
svgascreen->max_color_buffers = 4;
pipe_mutex_init(svgascreen->tex_mutex);
pipe_mutex_init(svgascreen->swc_mutex);
svga_screen_cache_init(svgascreen);
return screen;
error2:
FREE(svgascreen);
error1:
return NULL;
}
struct svga_winsys_screen *
svga_winsys_screen(struct pipe_screen *screen)
{
return svga_screen(screen)->sws;
}
#ifdef DEBUG
struct svga_screen *
svga_screen(struct pipe_screen *screen)
{
assert(screen);
assert(screen->destroy == svga_destroy_screen);
return (struct svga_screen *)screen;
}
#endif
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