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|
/*
* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
*
* 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
* on 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
* THE AUTHOR(S) AND/OR THEIR 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 "si_pipe.h"
#include "si_public.h"
#include "si_shader_internal.h"
#include "sid.h"
#include "radeon/radeon_uvd.h"
#include "util/u_memory.h"
#include "util/u_suballoc.h"
#include "vl/vl_decoder.h"
#include "../ddebug/dd_util.h"
#define SI_LLVM_DEFAULT_FEATURES \
"+DumpCode,+vgpr-spilling,-fp32-denormals,+fp64-denormals,-xnack"
/*
* pipe_context
*/
static void si_destroy_context(struct pipe_context *context)
{
struct si_context *sctx = (struct si_context *)context;
int i;
/* Unreference the framebuffer normally to disable related logic
* properly.
*/
struct pipe_framebuffer_state fb = {};
context->set_framebuffer_state(context, &fb);
si_release_all_descriptors(sctx);
if (sctx->ce_suballocator)
u_suballocator_destroy(sctx->ce_suballocator);
pipe_resource_reference(&sctx->esgs_ring, NULL);
pipe_resource_reference(&sctx->gsvs_ring, NULL);
pipe_resource_reference(&sctx->tf_ring, NULL);
pipe_resource_reference(&sctx->tess_offchip_ring, NULL);
pipe_resource_reference(&sctx->null_const_buf.buffer, NULL);
r600_resource_reference(&sctx->border_color_buffer, NULL);
free(sctx->border_color_table);
r600_resource_reference(&sctx->scratch_buffer, NULL);
r600_resource_reference(&sctx->compute_scratch_buffer, NULL);
si_pm4_free_state(sctx, sctx->init_config, ~0);
if (sctx->init_config_gs_rings)
si_pm4_free_state(sctx, sctx->init_config_gs_rings, ~0);
for (i = 0; i < ARRAY_SIZE(sctx->vgt_shader_config); i++)
si_pm4_delete_state(sctx, vgt_shader_config, sctx->vgt_shader_config[i]);
if (sctx->fixed_func_tcs_shader.cso)
sctx->b.b.delete_tcs_state(&sctx->b.b, sctx->fixed_func_tcs_shader.cso);
if (sctx->custom_dsa_flush)
sctx->b.b.delete_depth_stencil_alpha_state(&sctx->b.b, sctx->custom_dsa_flush);
if (sctx->custom_blend_resolve)
sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_resolve);
if (sctx->custom_blend_decompress)
sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_decompress);
if (sctx->custom_blend_fastclear)
sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_fastclear);
if (sctx->custom_blend_dcc_decompress)
sctx->b.b.delete_blend_state(&sctx->b.b, sctx->custom_blend_dcc_decompress);
if (sctx->blitter)
util_blitter_destroy(sctx->blitter);
r600_common_context_cleanup(&sctx->b);
LLVMDisposeTargetMachine(sctx->tm);
r600_resource_reference(&sctx->trace_buf, NULL);
r600_resource_reference(&sctx->last_trace_buf, NULL);
radeon_clear_saved_cs(&sctx->last_gfx);
FREE(sctx);
}
static enum pipe_reset_status
si_amdgpu_get_reset_status(struct pipe_context *ctx)
{
struct si_context *sctx = (struct si_context *)ctx;
return sctx->b.ws->ctx_query_reset_status(sctx->b.ctx);
}
/* Apitrace profiling:
* 1) qapitrace : Tools -> Profile: Measure CPU & GPU times
* 2) In the middle panel, zoom in (mouse wheel) on some bad draw call
* and remember its number.
* 3) In Mesa, enable queries and performance counters around that draw
* call and print the results.
* 4) glretrace --benchmark --markers ..
*/
static void si_emit_string_marker(struct pipe_context *ctx,
const char *string, int len)
{
struct si_context *sctx = (struct si_context *)ctx;
dd_parse_apitrace_marker(string, len, &sctx->apitrace_call_number);
}
static LLVMTargetMachineRef
si_create_llvm_target_machine(struct si_screen *sscreen)
{
const char *triple = "amdgcn--";
return LLVMCreateTargetMachine(si_llvm_get_amdgpu_target(triple), triple,
r600_get_llvm_processor_name(sscreen->b.family),
#if HAVE_LLVM >= 0x0308
sscreen->b.debug_flags & DBG_SI_SCHED ?
SI_LLVM_DEFAULT_FEATURES ",+si-scheduler" :
#endif
SI_LLVM_DEFAULT_FEATURES,
LLVMCodeGenLevelDefault,
LLVMRelocDefault,
LLVMCodeModelDefault);
}
static struct pipe_context *si_create_context(struct pipe_screen *screen,
void *priv, unsigned flags)
{
struct si_context *sctx = CALLOC_STRUCT(si_context);
struct si_screen* sscreen = (struct si_screen *)screen;
struct radeon_winsys *ws = sscreen->b.ws;
int shader, i;
if (!sctx)
return NULL;
if (sscreen->b.debug_flags & DBG_CHECK_VM)
flags |= PIPE_CONTEXT_DEBUG;
if (flags & PIPE_CONTEXT_DEBUG)
sscreen->record_llvm_ir = true; /* racy but not critical */
sctx->b.b.screen = screen; /* this must be set first */
sctx->b.b.priv = priv;
sctx->b.b.destroy = si_destroy_context;
sctx->b.b.emit_string_marker = si_emit_string_marker;
sctx->b.set_atom_dirty = (void *)si_set_atom_dirty;
sctx->screen = sscreen; /* Easy accessing of screen/winsys. */
sctx->is_debug = (flags & PIPE_CONTEXT_DEBUG) != 0;
if (!r600_common_context_init(&sctx->b, &sscreen->b, flags))
goto fail;
if (sscreen->b.info.drm_major == 3)
sctx->b.b.get_device_reset_status = si_amdgpu_get_reset_status;
si_init_blit_functions(sctx);
si_init_compute_functions(sctx);
si_init_cp_dma_functions(sctx);
si_init_debug_functions(sctx);
if (sscreen->b.info.has_uvd) {
sctx->b.b.create_video_codec = si_uvd_create_decoder;
sctx->b.b.create_video_buffer = si_video_buffer_create;
} else {
sctx->b.b.create_video_codec = vl_create_decoder;
sctx->b.b.create_video_buffer = vl_video_buffer_create;
}
sctx->b.gfx.cs = ws->cs_create(sctx->b.ctx, RING_GFX,
si_context_gfx_flush, sctx);
/* SI + AMDGPU + CE = GPU hang */
if (!(sscreen->b.debug_flags & DBG_NO_CE) && ws->cs_add_const_ib &&
sscreen->b.chip_class != SI &&
/* These can't use CE due to a power gating bug in the kernel. */
sscreen->b.family != CHIP_CARRIZO &&
sscreen->b.family != CHIP_STONEY) {
sctx->ce_ib = ws->cs_add_const_ib(sctx->b.gfx.cs);
if (!sctx->ce_ib)
goto fail;
if (ws->cs_add_const_preamble_ib) {
sctx->ce_preamble_ib =
ws->cs_add_const_preamble_ib(sctx->b.gfx.cs);
if (!sctx->ce_preamble_ib)
goto fail;
}
sctx->ce_suballocator =
u_suballocator_create(&sctx->b.b, 1024 * 1024,
0, PIPE_USAGE_DEFAULT, false);
if (!sctx->ce_suballocator)
goto fail;
}
sctx->b.gfx.flush = si_context_gfx_flush;
/* Border colors. */
sctx->border_color_table = malloc(SI_MAX_BORDER_COLORS *
sizeof(*sctx->border_color_table));
if (!sctx->border_color_table)
goto fail;
sctx->border_color_buffer = (struct r600_resource*)
pipe_buffer_create(screen, 0, PIPE_USAGE_DEFAULT,
SI_MAX_BORDER_COLORS *
sizeof(*sctx->border_color_table));
if (!sctx->border_color_buffer)
goto fail;
sctx->border_color_map =
ws->buffer_map(sctx->border_color_buffer->buf,
NULL, PIPE_TRANSFER_WRITE);
if (!sctx->border_color_map)
goto fail;
si_init_all_descriptors(sctx);
si_init_state_functions(sctx);
si_init_shader_functions(sctx);
if (sctx->b.chip_class >= CIK)
cik_init_sdma_functions(sctx);
else
si_init_dma_functions(sctx);
if (sscreen->b.debug_flags & DBG_FORCE_DMA)
sctx->b.b.resource_copy_region = sctx->b.dma_copy;
sctx->blitter = util_blitter_create(&sctx->b.b);
if (sctx->blitter == NULL)
goto fail;
sctx->blitter->draw_rectangle = r600_draw_rectangle;
sctx->sample_mask.sample_mask = 0xffff;
/* these must be last */
si_begin_new_cs(sctx);
r600_query_init_backend_mask(&sctx->b); /* this emits commands and must be last */
/* CIK cannot unbind a constant buffer (S_BUFFER_LOAD doesn't skip loads
* if NUM_RECORDS == 0). We need to use a dummy buffer instead. */
if (sctx->b.chip_class == CIK) {
sctx->null_const_buf.buffer = pipe_buffer_create(screen, PIPE_BIND_CONSTANT_BUFFER,
PIPE_USAGE_DEFAULT, 16);
if (!sctx->null_const_buf.buffer)
goto fail;
sctx->null_const_buf.buffer_size = sctx->null_const_buf.buffer->width0;
for (shader = 0; shader < SI_NUM_SHADERS; shader++) {
for (i = 0; i < SI_NUM_CONST_BUFFERS; i++) {
sctx->b.b.set_constant_buffer(&sctx->b.b, shader, i,
&sctx->null_const_buf);
}
}
si_set_rw_buffer(sctx, SI_HS_CONST_DEFAULT_TESS_LEVELS,
&sctx->null_const_buf);
si_set_rw_buffer(sctx, SI_VS_CONST_CLIP_PLANES,
&sctx->null_const_buf);
si_set_rw_buffer(sctx, SI_PS_CONST_POLY_STIPPLE,
&sctx->null_const_buf);
si_set_rw_buffer(sctx, SI_PS_CONST_SAMPLE_POSITIONS,
&sctx->null_const_buf);
/* Clear the NULL constant buffer, because loads should return zeros. */
sctx->b.clear_buffer(&sctx->b.b, sctx->null_const_buf.buffer, 0,
sctx->null_const_buf.buffer->width0, 0,
R600_COHERENCY_SHADER);
}
uint64_t max_threads_per_block;
screen->get_compute_param(screen, PIPE_SHADER_IR_TGSI,
PIPE_COMPUTE_CAP_MAX_THREADS_PER_BLOCK,
&max_threads_per_block);
/* The maximum number of scratch waves. Scratch space isn't divided
* evenly between CUs. The number is only a function of the number of CUs.
* We can decrease the constant to decrease the scratch buffer size.
*
* sctx->scratch_waves must be >= the maximum posible size of
* 1 threadgroup, so that the hw doesn't hang from being unable
* to start any.
*
* The recommended value is 4 per CU at most. Higher numbers don't
* bring much benefit, but they still occupy chip resources (think
* async compute). I've seen ~2% performance difference between 4 and 32.
*/
sctx->scratch_waves = MAX2(32 * sscreen->b.info.num_good_compute_units,
max_threads_per_block / 64);
sctx->tm = si_create_llvm_target_machine(sscreen);
return &sctx->b.b;
fail:
fprintf(stderr, "radeonsi: Failed to create a context.\n");
si_destroy_context(&sctx->b.b);
return NULL;
}
/*
* pipe_screen
*/
static bool si_have_tgsi_compute(struct si_screen *sscreen)
{
/* Old kernels disallowed some register writes for SI
* that are used for indirect dispatches. */
return HAVE_LLVM >= 0x309 &&
(sscreen->b.chip_class >= CIK ||
sscreen->b.info.drm_major == 3 ||
(sscreen->b.info.drm_major == 2 &&
sscreen->b.info.drm_minor >= 45));
}
static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
{
struct si_screen *sscreen = (struct si_screen *)pscreen;
switch (param) {
/* Supported features (boolean caps). */
case PIPE_CAP_TWO_SIDED_STENCIL:
case PIPE_CAP_MAX_DUAL_SOURCE_RENDER_TARGETS:
case PIPE_CAP_ANISOTROPIC_FILTER:
case PIPE_CAP_POINT_SPRITE:
case PIPE_CAP_OCCLUSION_QUERY:
case PIPE_CAP_TEXTURE_SHADOW_MAP:
case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
case PIPE_CAP_BLEND_EQUATION_SEPARATE:
case PIPE_CAP_TEXTURE_SWIZZLE:
case PIPE_CAP_DEPTH_CLIP_DISABLE:
case PIPE_CAP_SHADER_STENCIL_EXPORT:
case PIPE_CAP_VERTEX_ELEMENT_INSTANCE_DIVISOR:
case PIPE_CAP_MIXED_COLORBUFFER_FORMATS:
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
case PIPE_CAP_SM3:
case PIPE_CAP_SEAMLESS_CUBE_MAP:
case PIPE_CAP_PRIMITIVE_RESTART:
case PIPE_CAP_CONDITIONAL_RENDER:
case PIPE_CAP_TEXTURE_BARRIER:
case PIPE_CAP_INDEP_BLEND_ENABLE:
case PIPE_CAP_INDEP_BLEND_FUNC:
case PIPE_CAP_SEAMLESS_CUBE_MAP_PER_TEXTURE:
case PIPE_CAP_VERTEX_COLOR_UNCLAMPED:
case PIPE_CAP_VERTEX_BUFFER_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_BUFFER_STRIDE_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_VERTEX_ELEMENT_SRC_OFFSET_4BYTE_ALIGNED_ONLY:
case PIPE_CAP_USER_INDEX_BUFFERS:
case PIPE_CAP_USER_CONSTANT_BUFFERS:
case PIPE_CAP_START_INSTANCE:
case PIPE_CAP_NPOT_TEXTURES:
case PIPE_CAP_MIXED_FRAMEBUFFER_SIZES:
case PIPE_CAP_MIXED_COLOR_DEPTH_BITS:
case PIPE_CAP_VERTEX_COLOR_CLAMPED:
case PIPE_CAP_FRAGMENT_COLOR_CLAMPED:
case PIPE_CAP_PREFER_BLIT_BASED_TEXTURE_TRANSFER:
case PIPE_CAP_TGSI_INSTANCEID:
case PIPE_CAP_COMPUTE:
case PIPE_CAP_TEXTURE_BUFFER_OBJECTS:
case PIPE_CAP_TGSI_VS_LAYER_VIEWPORT:
case PIPE_CAP_QUERY_PIPELINE_STATISTICS:
case PIPE_CAP_BUFFER_MAP_PERSISTENT_COHERENT:
case PIPE_CAP_CUBE_MAP_ARRAY:
case PIPE_CAP_SAMPLE_SHADING:
case PIPE_CAP_DRAW_INDIRECT:
case PIPE_CAP_CLIP_HALFZ:
case PIPE_CAP_TGSI_VS_WINDOW_SPACE_POSITION:
case PIPE_CAP_POLYGON_OFFSET_CLAMP:
case PIPE_CAP_MULTISAMPLE_Z_RESOLVE:
case PIPE_CAP_QUADS_FOLLOW_PROVOKING_VERTEX_CONVENTION:
case PIPE_CAP_TGSI_TEXCOORD:
case PIPE_CAP_TGSI_FS_FINE_DERIVATIVE:
case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
case PIPE_CAP_SHAREABLE_SHADERS:
case PIPE_CAP_DEPTH_BOUNDS_TEST:
case PIPE_CAP_SAMPLER_VIEW_TARGET:
case PIPE_CAP_TEXTURE_QUERY_LOD:
case PIPE_CAP_TEXTURE_GATHER_SM5:
case PIPE_CAP_TGSI_TXQS:
case PIPE_CAP_FORCE_PERSAMPLE_INTERP:
case PIPE_CAP_COPY_BETWEEN_COMPRESSED_AND_PLAIN_FORMATS:
case PIPE_CAP_TGSI_FS_POSITION_IS_SYSVAL:
case PIPE_CAP_TGSI_FS_FACE_IS_INTEGER_SYSVAL:
case PIPE_CAP_INVALIDATE_BUFFER:
case PIPE_CAP_SURFACE_REINTERPRET_BLOCKS:
case PIPE_CAP_QUERY_MEMORY_INFO:
case PIPE_CAP_TGSI_PACK_HALF_FLOAT:
case PIPE_CAP_FRAMEBUFFER_NO_ATTACHMENT:
case PIPE_CAP_ROBUST_BUFFER_ACCESS_BEHAVIOR:
case PIPE_CAP_GENERATE_MIPMAP:
case PIPE_CAP_POLYGON_OFFSET_UNITS_UNSCALED:
case PIPE_CAP_STRING_MARKER:
case PIPE_CAP_CLEAR_TEXTURE:
case PIPE_CAP_CULL_DISTANCE:
case PIPE_CAP_TGSI_ARRAY_COMPONENTS:
case PIPE_CAP_TGSI_CAN_READ_OUTPUTS:
case PIPE_CAP_GLSL_OPTIMIZE_CONSERVATIVELY:
return 1;
case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
return !SI_BIG_ENDIAN && sscreen->b.info.has_userptr;
case PIPE_CAP_DEVICE_RESET_STATUS_QUERY:
return (sscreen->b.info.drm_major == 2 &&
sscreen->b.info.drm_minor >= 43) ||
sscreen->b.info.drm_major == 3;
case PIPE_CAP_TEXTURE_MULTISAMPLE:
/* 2D tiling on CIK is supported since DRM 2.35.0 */
return sscreen->b.chip_class < CIK ||
(sscreen->b.info.drm_major == 2 &&
sscreen->b.info.drm_minor >= 35) ||
sscreen->b.info.drm_major == 3;
case PIPE_CAP_MIN_MAP_BUFFER_ALIGNMENT:
return R600_MAP_BUFFER_ALIGNMENT;
case PIPE_CAP_CONSTANT_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_TEXTURE_BUFFER_OFFSET_ALIGNMENT:
case PIPE_CAP_MAX_TEXTURE_GATHER_COMPONENTS:
return 4;
case PIPE_CAP_SHADER_BUFFER_OFFSET_ALIGNMENT:
return HAVE_LLVM >= 0x0309 ? 4 : 0;
case PIPE_CAP_GLSL_FEATURE_LEVEL:
if (si_have_tgsi_compute(sscreen))
return 450;
return HAVE_LLVM >= 0x0309 ? 420 :
HAVE_LLVM >= 0x0307 ? 410 : 330;
case PIPE_CAP_MAX_TEXTURE_BUFFER_SIZE:
return MIN2(sscreen->b.info.max_alloc_size, INT_MAX);
case PIPE_CAP_BUFFER_SAMPLER_VIEW_RGBA_ONLY:
return 0;
/* Unsupported features. */
case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
case PIPE_CAP_TGSI_CAN_COMPACT_CONSTANTS:
case PIPE_CAP_USER_VERTEX_BUFFERS:
case PIPE_CAP_FAKE_SW_MSAA:
case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
case PIPE_CAP_VERTEXID_NOBASE:
case PIPE_CAP_PRIMITIVE_RESTART_FOR_PATCHES:
case PIPE_CAP_TGSI_VOTE:
case PIPE_CAP_MAX_WINDOW_RECTANGLES:
case PIPE_CAP_NATIVE_FENCE_FD:
case PIPE_CAP_TGSI_FS_FBFETCH:
case PIPE_CAP_TGSI_MUL_ZERO_WINS:
case PIPE_CAP_INT64:
return 0;
case PIPE_CAP_QUERY_BUFFER_OBJECT:
return si_have_tgsi_compute(sscreen);
case PIPE_CAP_DRAW_PARAMETERS:
case PIPE_CAP_MULTI_DRAW_INDIRECT:
case PIPE_CAP_MULTI_DRAW_INDIRECT_PARAMS:
return sscreen->has_draw_indirect_multi;
case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:
return 30;
case PIPE_CAP_TEXTURE_BORDER_COLOR_QUIRK:
return PIPE_QUIRK_TEXTURE_BORDER_COLOR_SWIZZLE_R600;
/* Stream output. */
case PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS:
return sscreen->b.has_streamout ? 4 : 0;
case PIPE_CAP_STREAM_OUTPUT_PAUSE_RESUME:
case PIPE_CAP_STREAM_OUTPUT_INTERLEAVE_BUFFERS:
return sscreen->b.has_streamout ? 1 : 0;
case PIPE_CAP_MAX_STREAM_OUTPUT_SEPARATE_COMPONENTS:
case PIPE_CAP_MAX_STREAM_OUTPUT_INTERLEAVED_COMPONENTS:
return sscreen->b.has_streamout ? 32*4 : 0;
/* Geometry shader output. */
case PIPE_CAP_MAX_GEOMETRY_OUTPUT_VERTICES:
return 1024;
case PIPE_CAP_MAX_GEOMETRY_TOTAL_OUTPUT_COMPONENTS:
return 4095;
case PIPE_CAP_MAX_VERTEX_STREAMS:
return 4;
case PIPE_CAP_MAX_VERTEX_ATTRIB_STRIDE:
return 2048;
/* Texturing. */
case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
return 15; /* 16384 */
case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
/* textures support 8192, but layered rendering supports 2048 */
return 12;
case PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS:
/* textures support 8192, but layered rendering supports 2048 */
return 2048;
/* Render targets. */
case PIPE_CAP_MAX_RENDER_TARGETS:
return 8;
case PIPE_CAP_MAX_VIEWPORTS:
return R600_MAX_VIEWPORTS;
case PIPE_CAP_VIEWPORT_SUBPIXEL_BITS:
return 8;
/* Timer queries, present when the clock frequency is non zero. */
case PIPE_CAP_QUERY_TIMESTAMP:
case PIPE_CAP_QUERY_TIME_ELAPSED:
return sscreen->b.info.clock_crystal_freq != 0;
case PIPE_CAP_MIN_TEXTURE_GATHER_OFFSET:
case PIPE_CAP_MIN_TEXEL_OFFSET:
return -32;
case PIPE_CAP_MAX_TEXTURE_GATHER_OFFSET:
case PIPE_CAP_MAX_TEXEL_OFFSET:
return 31;
case PIPE_CAP_ENDIANNESS:
return PIPE_ENDIAN_LITTLE;
case PIPE_CAP_VENDOR_ID:
return ATI_VENDOR_ID;
case PIPE_CAP_DEVICE_ID:
return sscreen->b.info.pci_id;
case PIPE_CAP_ACCELERATED:
return 1;
case PIPE_CAP_VIDEO_MEMORY:
return sscreen->b.info.vram_size >> 20;
case PIPE_CAP_UMA:
return 0;
case PIPE_CAP_PCI_GROUP:
return sscreen->b.info.pci_domain;
case PIPE_CAP_PCI_BUS:
return sscreen->b.info.pci_bus;
case PIPE_CAP_PCI_DEVICE:
return sscreen->b.info.pci_dev;
case PIPE_CAP_PCI_FUNCTION:
return sscreen->b.info.pci_func;
}
return 0;
}
static int si_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
{
struct si_screen *sscreen = (struct si_screen *)pscreen;
switch(shader)
{
case PIPE_SHADER_FRAGMENT:
case PIPE_SHADER_VERTEX:
case PIPE_SHADER_GEOMETRY:
break;
case PIPE_SHADER_TESS_CTRL:
case PIPE_SHADER_TESS_EVAL:
/* LLVM 3.6.2 is required for tessellation because of bug fixes there */
if (HAVE_LLVM == 0x0306 && MESA_LLVM_VERSION_PATCH < 2)
return 0;
break;
case PIPE_SHADER_COMPUTE:
switch (param) {
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_NATIVE;
case PIPE_SHADER_CAP_SUPPORTED_IRS: {
int ir = 1 << PIPE_SHADER_IR_NATIVE;
if (si_have_tgsi_compute(sscreen))
ir |= 1 << PIPE_SHADER_IR_TGSI;
return ir;
}
case PIPE_SHADER_CAP_DOUBLES:
return HAVE_LLVM >= 0x0307;
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE: {
uint64_t max_const_buffer_size;
pscreen->get_compute_param(pscreen, PIPE_SHADER_IR_TGSI,
PIPE_COMPUTE_CAP_MAX_MEM_ALLOC_SIZE,
&max_const_buffer_size);
return MIN2(max_const_buffer_size, INT_MAX);
}
default:
/* If compute shaders don't require a special value
* for this cap, we can return the same value we
* do for other shader types. */
break;
}
break;
default:
return 0;
}
switch (param) {
/* Shader limits. */
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:
case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
return 16384;
case PIPE_SHADER_CAP_MAX_INPUTS:
return shader == PIPE_SHADER_VERTEX ? SI_NUM_VERTEX_BUFFERS : 32;
case PIPE_SHADER_CAP_MAX_OUTPUTS:
return shader == PIPE_SHADER_FRAGMENT ? 8 : 32;
case PIPE_SHADER_CAP_MAX_TEMPS:
return 256; /* Max native temporaries. */
case PIPE_SHADER_CAP_MAX_CONST_BUFFER_SIZE:
return 4096 * sizeof(float[4]); /* actually only memory limits this */
case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
return SI_NUM_CONST_BUFFERS;
case PIPE_SHADER_CAP_MAX_TEXTURE_SAMPLERS:
case PIPE_SHADER_CAP_MAX_SAMPLER_VIEWS:
return SI_NUM_SAMPLERS;
case PIPE_SHADER_CAP_MAX_SHADER_BUFFERS:
return HAVE_LLVM >= 0x0309 ? SI_NUM_SHADER_BUFFERS : 0;
case PIPE_SHADER_CAP_MAX_SHADER_IMAGES:
return HAVE_LLVM >= 0x0309 ? SI_NUM_IMAGES : 0;
case PIPE_SHADER_CAP_MAX_UNROLL_ITERATIONS_HINT:
return 32;
case PIPE_SHADER_CAP_PREFERRED_IR:
return PIPE_SHADER_IR_TGSI;
case PIPE_SHADER_CAP_LOWER_IF_THRESHOLD:
return 3;
/* Supported boolean features. */
case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_SQRT_SUPPORTED:
case PIPE_SHADER_CAP_INDIRECT_OUTPUT_ADDR:
case PIPE_SHADER_CAP_INDIRECT_TEMP_ADDR:
case PIPE_SHADER_CAP_INDIRECT_CONST_ADDR:
case PIPE_SHADER_CAP_INTEGERS:
case PIPE_SHADER_CAP_TGSI_FMA_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_ANY_INOUT_DECL_RANGE:
return 1;
case PIPE_SHADER_CAP_DOUBLES:
return HAVE_LLVM >= 0x0307;
case PIPE_SHADER_CAP_INDIRECT_INPUT_ADDR:
/* TODO: Indirection of geometry shader input dimension is not
* handled yet
*/
return shader != PIPE_SHADER_GEOMETRY;
/* Unsupported boolean features. */
case PIPE_SHADER_CAP_MAX_PREDS:
case PIPE_SHADER_CAP_SUBROUTINES:
case PIPE_SHADER_CAP_SUPPORTED_IRS:
case PIPE_SHADER_CAP_TGSI_DROUND_SUPPORTED:
case PIPE_SHADER_CAP_TGSI_DFRACEXP_DLDEXP_SUPPORTED:
return 0;
}
return 0;
}
static void si_destroy_screen(struct pipe_screen* pscreen)
{
struct si_screen *sscreen = (struct si_screen *)pscreen;
struct si_shader_part *parts[] = {
sscreen->vs_prologs,
sscreen->vs_epilogs,
sscreen->tcs_epilogs,
sscreen->gs_prologs,
sscreen->ps_prologs,
sscreen->ps_epilogs
};
unsigned i;
if (!sscreen)
return;
if (!sscreen->b.ws->unref(sscreen->b.ws))
return;
if (util_queue_is_initialized(&sscreen->shader_compiler_queue))
util_queue_destroy(&sscreen->shader_compiler_queue);
for (i = 0; i < ARRAY_SIZE(sscreen->tm); i++)
if (sscreen->tm[i])
LLVMDisposeTargetMachine(sscreen->tm[i]);
/* Free shader parts. */
for (i = 0; i < ARRAY_SIZE(parts); i++) {
while (parts[i]) {
struct si_shader_part *part = parts[i];
parts[i] = part->next;
radeon_shader_binary_clean(&part->binary);
FREE(part);
}
}
pipe_mutex_destroy(sscreen->shader_parts_mutex);
si_destroy_shader_cache(sscreen);
r600_destroy_common_screen(&sscreen->b);
}
static bool si_init_gs_info(struct si_screen *sscreen)
{
switch (sscreen->b.family) {
case CHIP_OLAND:
case CHIP_HAINAN:
case CHIP_KAVERI:
case CHIP_KABINI:
case CHIP_MULLINS:
case CHIP_ICELAND:
case CHIP_CARRIZO:
case CHIP_STONEY:
sscreen->gs_table_depth = 16;
return true;
case CHIP_TAHITI:
case CHIP_PITCAIRN:
case CHIP_VERDE:
case CHIP_BONAIRE:
case CHIP_HAWAII:
case CHIP_TONGA:
case CHIP_FIJI:
case CHIP_POLARIS10:
case CHIP_POLARIS11:
case CHIP_POLARIS12:
sscreen->gs_table_depth = 32;
return true;
default:
return false;
}
}
static void si_handle_env_var_force_family(struct si_screen *sscreen)
{
const char *family = debug_get_option("SI_FORCE_FAMILY", NULL);
unsigned i;
if (!family)
return;
for (i = CHIP_TAHITI; i < CHIP_LAST; i++) {
if (!strcmp(family, r600_get_llvm_processor_name(i))) {
/* Override family and chip_class. */
sscreen->b.family = sscreen->b.info.family = i;
if (i >= CHIP_TONGA)
sscreen->b.chip_class = sscreen->b.info.chip_class = VI;
else if (i >= CHIP_BONAIRE)
sscreen->b.chip_class = sscreen->b.info.chip_class = CIK;
else
sscreen->b.chip_class = sscreen->b.info.chip_class = SI;
/* Don't submit any IBs. */
setenv("RADEON_NOOP", "1", 1);
return;
}
}
fprintf(stderr, "radeonsi: Unknown family: %s\n", family);
exit(1);
}
struct pipe_screen *radeonsi_screen_create(struct radeon_winsys *ws)
{
struct si_screen *sscreen = CALLOC_STRUCT(si_screen);
unsigned num_cpus, num_compiler_threads, i;
if (!sscreen) {
return NULL;
}
/* Set functions first. */
sscreen->b.b.context_create = si_create_context;
sscreen->b.b.destroy = si_destroy_screen;
sscreen->b.b.get_param = si_get_param;
sscreen->b.b.get_shader_param = si_get_shader_param;
sscreen->b.b.resource_create = r600_resource_create_common;
si_init_screen_state_functions(sscreen);
if (!r600_common_screen_init(&sscreen->b, ws) ||
!si_init_gs_info(sscreen) ||
!si_init_shader_cache(sscreen)) {
FREE(sscreen);
return NULL;
}
si_handle_env_var_force_family(sscreen);
if (!debug_get_bool_option("RADEON_DISABLE_PERFCOUNTERS", false))
si_init_perfcounters(sscreen);
/* Hawaii has a bug with offchip buffers > 256 that can be worked
* around by setting 4K granularity.
*/
sscreen->tess_offchip_block_dw_size =
sscreen->b.family == CHIP_HAWAII ? 4096 : 8192;
sscreen->has_distributed_tess =
sscreen->b.chip_class >= VI &&
sscreen->b.info.max_se >= 2;
sscreen->has_draw_indirect_multi =
(sscreen->b.family >= CHIP_POLARIS10) ||
(sscreen->b.chip_class == VI &&
sscreen->b.info.pfp_fw_version >= 121 &&
sscreen->b.info.me_fw_version >= 87) ||
(sscreen->b.chip_class == CIK &&
sscreen->b.info.pfp_fw_version >= 211 &&
sscreen->b.info.me_fw_version >= 173) ||
(sscreen->b.chip_class == SI &&
sscreen->b.info.pfp_fw_version >= 121 &&
sscreen->b.info.me_fw_version >= 87);
sscreen->has_ds_bpermute = HAVE_LLVM >= 0x0309 &&
sscreen->b.chip_class >= VI;
sscreen->b.has_cp_dma = true;
sscreen->b.has_streamout = true;
pipe_mutex_init(sscreen->shader_parts_mutex);
sscreen->use_monolithic_shaders =
HAVE_LLVM < 0x0308 ||
(sscreen->b.debug_flags & DBG_MONOLITHIC_SHADERS) != 0;
sscreen->b.barrier_flags.cp_to_L2 = SI_CONTEXT_INV_SMEM_L1 |
SI_CONTEXT_INV_VMEM_L1 |
SI_CONTEXT_INV_GLOBAL_L2;
sscreen->b.barrier_flags.compute_to_L2 = SI_CONTEXT_CS_PARTIAL_FLUSH;
if (debug_get_bool_option("RADEON_DUMP_SHADERS", false))
sscreen->b.debug_flags |= DBG_FS | DBG_VS | DBG_GS | DBG_PS | DBG_CS;
/* Only enable as many threads as we have target machines and CPUs. */
num_cpus = sysconf(_SC_NPROCESSORS_ONLN);
num_compiler_threads = MIN2(num_cpus, ARRAY_SIZE(sscreen->tm));
for (i = 0; i < num_compiler_threads; i++)
sscreen->tm[i] = si_create_llvm_target_machine(sscreen);
util_queue_init(&sscreen->shader_compiler_queue, "si_shader",
32, num_compiler_threads);
/* Create the auxiliary context. This must be done last. */
sscreen->b.aux_context = sscreen->b.b.context_create(&sscreen->b.b, NULL, 0);
if (sscreen->b.debug_flags & DBG_TEST_DMA)
r600_test_dma(&sscreen->b);
return &sscreen->b.b;
}
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