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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 "util/u_format.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_string.h"
#include "brw_reg.h"
#include "brw_context.h"
#include "brw_screen.h"
#include "brw_winsys.h"
#include "brw_public.h"
#include "brw_debug.h"
#include "brw_resource.h"
#ifdef DEBUG
static const struct debug_named_value debug_names[] = {
{ "tex", DEBUG_TEXTURE, NULL },
{ "state", DEBUG_STATE, NULL },
{ "ioctl", DEBUG_IOCTL, NULL },
{ "blit", DEBUG_BLIT, NULL },
{ "curbe", DEBUG_CURBE, NULL },
{ "fall", DEBUG_FALLBACKS, NULL },
{ "verb", DEBUG_VERBOSE, NULL },
{ "bat", DEBUG_BATCH, NULL },
{ "pix", DEBUG_PIXEL, NULL },
{ "wins", DEBUG_WINSYS, NULL },
{ "min", DEBUG_MIN_URB, NULL },
{ "dis", DEBUG_DISASSEM, NULL },
{ "sync", DEBUG_SYNC, NULL },
{ "prim", DEBUG_PRIMS, NULL },
{ "vert", DEBUG_VERTS, NULL },
{ "dma", DEBUG_DMA, NULL },
{ "san", DEBUG_SANITY, NULL },
{ "sleep", DEBUG_SLEEP, NULL },
{ "stats", DEBUG_STATS, NULL },
{ "sing", DEBUG_SINGLE_THREAD, NULL },
{ "thre", DEBUG_SINGLE_THREAD, NULL },
{ "wm", DEBUG_WM, NULL },
{ "urb", DEBUG_URB, NULL },
{ "vs", DEBUG_VS, NULL },
DEBUG_NAMED_VALUE_END
};
static const struct debug_named_value dump_names[] = {
{ "asm", DUMP_ASM, NULL },
{ "state", DUMP_STATE, NULL },
{ "batch", DUMP_BATCH, NULL },
DEBUG_NAMED_VALUE_END
};
int BRW_DEBUG = 0;
int BRW_DUMP = 0;
#endif
/*
* Probe functions
*/
static const char *
brw_get_vendor(struct pipe_screen *screen)
{
return "VMware, 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_G:
chipset = "I965_G";
break;
case PCI_CHIP_I965_Q:
chipset = "I965_Q";
break;
case PCI_CHIP_I965_G_1:
chipset = "I965_G_1";
break;
case PCI_CHIP_I946_GZ:
chipset = "I946_GZ";
break;
case PCI_CHIP_I965_GM:
chipset = "I965_GM";
break;
case PCI_CHIP_I965_GME:
chipset = "I965_GME";
break;
case PCI_CHIP_GM45_GM:
chipset = "GM45_GM";
break;
case PCI_CHIP_IGD_E_G:
chipset = "IGD_E_G";
break;
case PCI_CHIP_Q45_G:
chipset = "Q45_G";
break;
case PCI_CHIP_G45_G:
chipset = "G45_G";
break;
case PCI_CHIP_G41_G:
chipset = "G41_G";
break;
case PCI_CHIP_B43_G:
chipset = "B43_G";
break;
case PCI_CHIP_ILD_G:
chipset = "ILD_G";
break;
case PCI_CHIP_ILM_G:
chipset = "ILM_G";
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, enum pipe_cap param)
{
switch (param) {
case PIPE_CAP_MAX_COMBINED_SAMPLERS:
return 16; /* XXX correct? */
case PIPE_CAP_NPOT_TEXTURES:
return 1;
case PIPE_CAP_TWO_SIDED_STENCIL:
return 1;
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_TIMER_QUERY:
return 0;
case PIPE_CAP_TEXTURE_SHADOW_MAP:
return 1;
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return BRW_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return BRW_MAX_TEXTURE_3D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return BRW_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
return 1;
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
return 0;
case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
/* disable for now */
return 0;
default:
return 0;
}
}
static int
brw_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap param)
{
switch(shader) {
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_GEOMETRY:
break;
default:
return 0;
}
/* XXX: these are just shader model 4.0 values, fix this! */
switch(param) {
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
return 65536;
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
return 65536;
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
return 65536;
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return 65536;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 65536;
case PIPE_SHADER_CAP_MAX_INPUTS:
return 32;
case PIPE_SHADER_CAP_MAX_CONSTS:
return 4096;
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return PIPE_MAX_CONSTANT_BUFFERS;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 4096;
case PIPE_SHADER_CAP_MAX_ADDRS:
return 0;
case PIPE_SHADER_CAP_MAX_PREDS:
return 0;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
return 1;
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
return 1;
case PIPE_SHADER_CAP_SUBROUTINES:
return 1;
case PIPE_SHADER_CAP_INTEGERS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return 8;
default:
assert(0);
return 0;
}
}
static float
brw_get_paramf(struct pipe_screen *screen, enum pipe_capf param)
{
switch (param) {
case PIPE_CAPF_MAX_LINE_WIDTH:
/* fall-through */
case PIPE_CAPF_MAX_LINE_WIDTH_AA:
return 7.5;
case PIPE_CAPF_MAX_POINT_WIDTH:
/* fall-through */
case PIPE_CAPF_MAX_POINT_WIDTH_AA:
return 255.0;
case PIPE_CAPF_MAX_TEXTURE_ANISOTROPY:
return 4.0;
case PIPE_CAPF_MAX_TEXTURE_LOD_BIAS:
return 16.0;
default:
return 0;
}
}
static boolean
brw_is_format_supported(struct pipe_screen *screen,
enum pipe_format format,
enum pipe_texture_target target,
unsigned sample_count,
unsigned tex_usage)
{
static const enum pipe_format tex_supported[] = {
PIPE_FORMAT_L8_UNORM,
PIPE_FORMAT_I8_UNORM,
PIPE_FORMAT_A8_UNORM,
PIPE_FORMAT_L16_UNORM,
/*PIPE_FORMAT_I16_UNORM,*/
/*PIPE_FORMAT_A16_UNORM,*/
PIPE_FORMAT_L8A8_UNORM,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_B5G5R5A1_UNORM,
PIPE_FORMAT_B4G4R4A4_UNORM,
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_B8G8R8A8_UNORM,
/* video */
PIPE_FORMAT_UYVY,
PIPE_FORMAT_YUYV,
/* compressed */
/*PIPE_FORMAT_FXT1_RGBA,*/
PIPE_FORMAT_DXT1_RGB,
PIPE_FORMAT_DXT1_RGBA,
PIPE_FORMAT_DXT3_RGBA,
PIPE_FORMAT_DXT5_RGBA,
/* sRGB */
PIPE_FORMAT_A8B8G8R8_SRGB,
PIPE_FORMAT_L8A8_SRGB,
PIPE_FORMAT_L8_SRGB,
PIPE_FORMAT_DXT1_SRGB,
/* depth */
PIPE_FORMAT_Z32_FLOAT,
PIPE_FORMAT_Z24X8_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_FORMAT_Z16_UNORM,
/* signed */
PIPE_FORMAT_R8G8_SNORM,
PIPE_FORMAT_R8G8B8A8_SNORM,
PIPE_FORMAT_NONE /* list terminator */
};
static const enum pipe_format render_supported[] = {
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_NONE /* list terminator */
};
static const enum pipe_format depth_supported[] = {
PIPE_FORMAT_Z32_FLOAT,
PIPE_FORMAT_Z24X8_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_FORMAT_Z16_UNORM,
PIPE_FORMAT_NONE /* list terminator */
};
const enum pipe_format *list;
uint i;
if (!util_format_is_supported(format, tex_usage))
return FALSE;
if (sample_count > 1)
return FALSE;
if (tex_usage & PIPE_BIND_DEPTH_STENCIL)
list = depth_supported;
else if (tex_usage & PIPE_BIND_RENDER_TARGET)
list = render_supported;
else
list = tex_supported;
for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
if (list[i] == format)
return TRUE;
}
return FALSE;
}
/*
* Fence functions
*/
static void
brw_fence_reference(struct pipe_screen *screen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence)
{
}
static boolean
brw_fence_signalled(struct pipe_screen *screen,
struct pipe_fence_handle *fence)
{
return TRUE;
}
static boolean
brw_fence_finish(struct pipe_screen *screen,
struct pipe_fence_handle *fence,
uint64_t timeout)
{
return TRUE;
}
/*
* Generic functions
*/
static void
brw_destroy_screen(struct pipe_screen *screen)
{
struct brw_screen *bscreen = brw_screen(screen);
if (bscreen->sws)
bscreen->sws->destroy(bscreen->sws);
FREE(bscreen);
}
/**
* Create a new brw_screen object
*/
struct pipe_screen *
brw_screen_create(struct brw_winsys_screen *sws)
{
struct brw_screen *bscreen;
#ifdef DEBUG
BRW_DEBUG = debug_get_flags_option("BRW_DEBUG", debug_names, 0);
BRW_DEBUG |= debug_get_flags_option("INTEL_DEBUG", debug_names, 0);
BRW_DEBUG |= DEBUG_STATS | DEBUG_MIN_URB | DEBUG_WM;
BRW_DUMP = debug_get_flags_option("BRW_DUMP", dump_names, 0);
#endif
bscreen = CALLOC_STRUCT(brw_screen);
if (!bscreen)
return NULL;
bscreen->pci_id = sws->pci_id;
if (IS_GEN6(sws->pci_id)) {
bscreen->gen = 6;
bscreen->needs_ff_sync = TRUE;
} else if (IS_GEN5(sws->pci_id)) {
bscreen->gen = 5;
bscreen->needs_ff_sync = TRUE;
} else if (IS_965(sws->pci_id)) {
bscreen->gen = 4;
if (IS_G4X(sws->pci_id)) {
bscreen->is_g4x = true;
}
} else {
debug_printf("%s: unknown pci id 0x%x, cannot create screen\n",
__FUNCTION__, sws->pci_id);
free(bscreen);
return NULL;
}
sws->gen = bscreen->gen;
bscreen->sws = sws;
bscreen->base.winsys = NULL;
bscreen->base.destroy = brw_destroy_screen;
bscreen->base.get_name = brw_get_name;
bscreen->base.get_vendor = brw_get_vendor;
bscreen->base.get_param = brw_get_param;
bscreen->base.get_shader_param = brw_get_shader_param;
bscreen->base.get_paramf = brw_get_paramf;
bscreen->base.is_format_supported = brw_is_format_supported;
bscreen->base.context_create = brw_create_context;
bscreen->base.fence_reference = brw_fence_reference;
bscreen->base.fence_signalled = brw_fence_signalled;
bscreen->base.fence_finish = brw_fence_finish;
brw_init_screen_resource_functions(bscreen);
bscreen->no_tiling = debug_get_option("BRW_NO_TILING", FALSE) != NULL;
return &bscreen->base;
}
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