/**************************************************************************
*
* 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 "draw/draw_context.h"
#include "util/u_format.h"
#include "util/u_format_s3tc.h"
#include "util/u_inlines.h"
#include "util/u_memory.h"
#include "util/u_string.h"
#include "i915_reg.h"
#include "i915_debug.h"
#include "i915_context.h"
#include "i915_screen.h"
#include "i915_resource.h"
#include "i915_winsys.h"
#include "i915_public.h"
/*
* Probe functions
*/
static const char *
i915_get_vendor(struct pipe_screen *screen)
{
return "VMware, Inc.";
}
static const char *
i915_get_name(struct pipe_screen *screen)
{
static char buffer[128];
const char *chipset;
switch (i915_screen(screen)->iws->pci_id) {
case PCI_CHIP_I915_G:
chipset = "915G";
break;
case PCI_CHIP_I915_GM:
chipset = "915GM";
break;
case PCI_CHIP_I945_G:
chipset = "945G";
break;
case PCI_CHIP_I945_GM:
chipset = "945GM";
break;
case PCI_CHIP_I945_GME:
chipset = "945GME";
break;
case PCI_CHIP_G33_G:
chipset = "G33";
break;
case PCI_CHIP_Q35_G:
chipset = "Q35";
break;
case PCI_CHIP_Q33_G:
chipset = "Q33";
break;
case PCI_CHIP_PINEVIEW_G:
chipset = "Pineview G";
break;
case PCI_CHIP_PINEVIEW_M:
chipset = "Pineview M";
break;
default:
chipset = "unknown";
break;
}
util_snprintf(buffer, sizeof(buffer), "i915 (chipset: %s)", chipset);
return buffer;
}
static int
i915_get_shader_param(struct pipe_screen *screen, unsigned shader, enum pipe_shader_cap cap)
{
switch(shader) {
case PIPE_SHADER_VERTEX:
switch (cap) {
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
if (debug_get_bool_option("DRAW_USE_LLVM", TRUE))
return PIPE_MAX_SAMPLERS;
else
return 0;
default:
return draw_get_shader_param(shader, cap);
}
case PIPE_SHADER_FRAGMENT:
/* XXX: some of these are just shader model 2.0 values, fix this! */
switch(cap) {
case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
return I915_MAX_ALU_INSN + I915_MAX_TEX_INSN;
case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
return I915_MAX_ALU_INSN;
case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
return I915_MAX_TEX_INSN;
case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
return 8;
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 0;
case PIPE_SHADER_CAP_MAX_INPUTS:
return 10;
case PIPE_SHADER_CAP_MAX_CONSTS:
return 32;
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return 1;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 12; /* XXX: 12 -> 32 ? */
case PIPE_SHADER_CAP_MAX_ADDRS:
return 0;
case PIPE_SHADER_CAP_MAX_PREDS:
return 0;
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
return 0;
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 0;
case PIPE_SHADER_CAP_INTEGERS:
return 0;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
return I915_TEX_UNITS;
default:
debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
return 0;
}
break;
default:
return 0;
}
}
static int
i915_get_param(struct pipe_screen *screen, enum pipe_cap cap)
{
struct i915_screen *is = i915_screen(screen);
switch (cap) {
/* Supported features (boolean caps). */
case PIPE_CAP_ANISOTROPIC_FILTER:
case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
case PIPE_CAP_NPOT_TEXTURES:
case PIPE_CAP_POINT_SPRITE:
case PIPE_CAP_PRIMITIVE_RESTART: /* draw module */
case PIPE_CAP_TEXTURE_SHADOW_MAP:
case PIPE_CAP_TWO_SIDED_STENCIL:
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
case PIPE_CAP_USER_VERTEX_BUFFERS:
case PIPE_CAP_USER_INDEX_BUFFERS:
case PIPE_CAP_USER_CONSTANT_BUFFERS:
return 1;
/* Unsupported features (boolean caps). */
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
case PIPE_CAP_DEPTH_CLIP_DISABLE:
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
case PIPE_CAP_SHADER_STENCIL_EXPORT:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
case PIPE_CAP_TEXTURE_SWIZZLE:
case PIPE_CAP_TIMER_QUERY:
case PIPE_CAP_SM3:
case PIPE_CAP_SEAMLESS_CUBE_MAP:
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
case PIPE_CAP_SCALED_RESOLVE:
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
case PIPE_CAP_CONDITIONAL_RENDER:
case PIPE_CAP_TEXTURE_BARRIER:
case PIPE_CAP_TGSI_CAN_COMPACT_VARYINGS:
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
case PIPE_CAP_START_INSTANCE:
case PIPE_CAP_QUERY_TIMESTAMP:
return 0;
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
return 16;
/* Features we can lie about (boolean caps). */
case PIPE_CAP_OCCLUSION_QUERY:
return is->debug.lie ? 1 : 0;
/* Texturing. */
case PIPE_CAP_MAX_COMBINED_SAMPLERS:
return i915_get_shader_param(screen,
PIPE_SHADER_VERTEX,
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS) +
i915_get_shader_param(screen,
PIPE_SHADER_FRAGMENT,
PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS);
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
return I915_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
return I915_MAX_TEXTURE_3D_LEVELS;
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return I915_MAX_TEXTURE_2D_LEVELS;
case PIPE_CAP_MIN_TEXEL_OFFSET:
case PIPE_CAP_MAX_TEXEL_OFFSET:
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return 0;
/* Render targets. */
case PIPE_CAP_MAX_RENDER_TARGETS:
return 1;
/* Fragment coordinate conventions. */
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;
default:
debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
return 0;
}
}
static float
i915_get_paramf(struct pipe_screen *screen, enum pipe_capf cap)
{
switch(cap) {
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:
debug_printf("%s: Unknown cap %u.\n", __FUNCTION__, cap);
return 0;
}
}
boolean
i915_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_B8G8R8A8_UNORM,
PIPE_FORMAT_B8G8R8A8_SRGB,
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_R8G8B8X8_UNORM,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_B10G10R10A2_UNORM,
PIPE_FORMAT_L8_UNORM,
PIPE_FORMAT_A8_UNORM,
PIPE_FORMAT_I8_UNORM,
PIPE_FORMAT_L8A8_UNORM,
PIPE_FORMAT_UYVY,
PIPE_FORMAT_YUYV,
/* XXX why not?
PIPE_FORMAT_Z16_UNORM, */
PIPE_FORMAT_DXT1_RGB,
PIPE_FORMAT_DXT1_RGBA,
PIPE_FORMAT_DXT3_RGBA,
PIPE_FORMAT_DXT5_RGBA,
PIPE_FORMAT_Z24X8_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_UINT,
PIPE_FORMAT_NONE /* list terminator */
};
static const enum pipe_format render_supported[] = {
PIPE_FORMAT_B8G8R8A8_UNORM,
PIPE_FORMAT_B8G8R8X8_UNORM,
PIPE_FORMAT_R8G8B8A8_UNORM,
PIPE_FORMAT_R8G8B8X8_UNORM,
PIPE_FORMAT_B5G6R5_UNORM,
PIPE_FORMAT_B10G10R10A2_UNORM,
PIPE_FORMAT_L8_UNORM,
PIPE_FORMAT_A8_UNORM,
PIPE_FORMAT_I8_UNORM,
PIPE_FORMAT_NONE /* list terminator */
};
static const enum pipe_format depth_supported[] = {
/* XXX why not?
PIPE_FORMAT_Z16_UNORM, */
PIPE_FORMAT_Z24X8_UNORM,
PIPE_FORMAT_Z24_UNORM_S8_UINT,
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 if (tex_usage & PIPE_BIND_SAMPLER_VIEW)
list = tex_supported;
else
return TRUE; /* PIPE_BIND_{VERTEX,INDEX}_BUFFER */
for (i = 0; list[i] != PIPE_FORMAT_NONE; i++) {
if (list[i] == format)
return TRUE;
}
return FALSE;
}
/*
* Fence functions
*/
static void
i915_fence_reference(struct pipe_screen *screen,
struct pipe_fence_handle **ptr,
struct pipe_fence_handle *fence)
{
struct i915_screen *is = i915_screen(screen);
is->iws->fence_reference(is->iws, ptr, fence);
}
static boolean
i915_fence_signalled(struct pipe_screen *screen,
struct pipe_fence_handle *fence)
{
struct i915_screen *is = i915_screen(screen);
return is->iws->fence_signalled(is->iws, fence) == 1;
}
static boolean
i915_fence_finish(struct pipe_screen *screen,
struct pipe_fence_handle *fence,
uint64_t timeout)
{
struct i915_screen *is = i915_screen(screen);
return is->iws->fence_finish(is->iws, fence) == 1;
}
/*
* Generic functions
*/
static void
i915_flush_frontbuffer(struct pipe_screen *screen,
struct pipe_resource *resource,
unsigned level, unsigned layer,
void *winsys_drawable_handle)
{
/* XXX: Dummy right now. */
(void)screen;
(void)resource;
(void)level;
(void)layer;
(void)winsys_drawable_handle;
}
static void
i915_destroy_screen(struct pipe_screen *screen)
{
struct i915_screen *is = i915_screen(screen);
if (is->iws)
is->iws->destroy(is->iws);
FREE(is);
}
/**
* Create a new i915_screen object
*/
struct pipe_screen *
i915_screen_create(struct i915_winsys *iws)
{
struct i915_screen *is = CALLOC_STRUCT(i915_screen);
if (!is)
return NULL;
switch (iws->pci_id) {
case PCI_CHIP_I915_G:
case PCI_CHIP_I915_GM:
is->is_i945 = FALSE;
break;
case PCI_CHIP_I945_G:
case PCI_CHIP_I945_GM:
case PCI_CHIP_I945_GME:
case PCI_CHIP_G33_G:
case PCI_CHIP_Q33_G:
case PCI_CHIP_Q35_G:
case PCI_CHIP_PINEVIEW_G:
case PCI_CHIP_PINEVIEW_M:
is->is_i945 = TRUE;
break;
default:
debug_printf("%s: unknown pci id 0x%x, cannot create screen\n",
__FUNCTION__, iws->pci_id);
FREE(is);
return NULL;
}
is->iws = iws;
is->base.destroy = i915_destroy_screen;
is->base.flush_frontbuffer = i915_flush_frontbuffer;
is->base.get_name = i915_get_name;
is->base.get_vendor = i915_get_vendor;
is->base.get_param = i915_get_param;
is->base.get_shader_param = i915_get_shader_param;
is->base.get_paramf = i915_get_paramf;
is->base.is_format_supported = i915_is_format_supported;
is->base.context_create = i915_create_context;
is->base.fence_reference = i915_fence_reference;
is->base.fence_signalled = i915_fence_signalled;
is->base.fence_finish = i915_fence_finish;
i915_init_screen_resource_functions(is);
i915_debug_init(is);
util_format_s3tc_init();
return &is->base;
}