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android / platform / external / mesa3d / 382451ff9d7bfa4f807e8ca447180642c91b92e6 / . / src / gallium / drivers / swr / swr_state.cpp
blob: 01758f5f9101a069bfa6273fc8083a47553d69e5 [file] [log] [blame]
/****************************************************************************
* Copyright (C) 2015 Intel Corporation. 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 (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 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 <llvm/Config/llvm-config.h>
#if LLVM_VERSION_MAJOR < 7
// llvm redefines DEBUG
#pragma push_macro("DEBUG")
#undef DEBUG
#endif
#include <rasterizer/core/state.h>
#include "JitManager.h"
#if LLVM_VERSION_MAJOR < 7
#pragma pop_macro("DEBUG")
#endif
#include "common/os.h"
#include "jit_api.h"
#include "gen_state_llvm.h"
#include "core/multisample.h"
#include "core/state_funcs.h"
#include "gallivm/lp_bld_tgsi.h"
#include "util/format/u_format.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
#include "util/u_helpers.h"
#include "util/u_framebuffer.h"
#include "util/u_viewport.h"
#include "util/u_prim.h"
#include "swr_state.h"
#include "swr_context.h"
#include "gen_surf_state_llvm.h"
#include "gen_swr_context_llvm.h"
#include "swr_screen.h"
#include "swr_resource.h"
#include "swr_tex_sample.h"
#include "swr_scratch.h"
#include "swr_shader.h"
#include "swr_fence.h"
/* These should be pulled out into separate files as necessary
* Just initializing everything here to get going. */
static void *
swr_create_blend_state(struct pipe_context *pipe,
const struct pipe_blend_state *blend)
{
struct swr_blend_state *state = CALLOC_STRUCT(swr_blend_state);
assert(state != nullptr);
memcpy(&state->pipe, blend, sizeof(*blend));
struct pipe_blend_state *pipe_blend = &state->pipe;
for (int target = 0;
target < std::min(SWR_NUM_RENDERTARGETS, PIPE_MAX_COLOR_BUFS);
target++) {
struct pipe_rt_blend_state *rt_blend = &pipe_blend->rt[target];
SWR_RENDER_TARGET_BLEND_STATE &blendState =
state->blendState.renderTarget[target];
RENDER_TARGET_BLEND_COMPILE_STATE &compileState =
state->compileState[target];
if (target != 0 && !pipe_blend->independent_blend_enable) {
memcpy(&compileState,
&state->compileState[0],
sizeof(RENDER_TARGET_BLEND_COMPILE_STATE));
continue;
}
compileState.blendEnable = rt_blend->blend_enable;
if (compileState.blendEnable) {
compileState.sourceAlphaBlendFactor =
swr_convert_blend_factor(rt_blend->alpha_src_factor);
compileState.destAlphaBlendFactor =
swr_convert_blend_factor(rt_blend->alpha_dst_factor);
compileState.sourceBlendFactor =
swr_convert_blend_factor(rt_blend->rgb_src_factor);
compileState.destBlendFactor =
swr_convert_blend_factor(rt_blend->rgb_dst_factor);
compileState.colorBlendFunc =
swr_convert_blend_func(rt_blend->rgb_func);
compileState.alphaBlendFunc =
swr_convert_blend_func(rt_blend->alpha_func);
}
compileState.logicOpEnable = state->pipe.logicop_enable;
if (compileState.logicOpEnable) {
compileState.logicOpFunc =
swr_convert_logic_op(state->pipe.logicop_func);
}
blendState.writeDisableRed =
(rt_blend->colormask & PIPE_MASK_R) ? 0 : 1;
blendState.writeDisableGreen =
(rt_blend->colormask & PIPE_MASK_G) ? 0 : 1;
blendState.writeDisableBlue =
(rt_blend->colormask & PIPE_MASK_B) ? 0 : 1;
blendState.writeDisableAlpha =
(rt_blend->colormask & PIPE_MASK_A) ? 0 : 1;
if (rt_blend->colormask == 0)
compileState.blendEnable = false;
}
return state;
}
static void
swr_bind_blend_state(struct pipe_context *pipe, void *blend)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->blend == blend)
return;
ctx->blend = (swr_blend_state *)blend;
ctx->dirty |= SWR_NEW_BLEND;
}
static void
swr_delete_blend_state(struct pipe_context *pipe, void *blend)
{
FREE(blend);
}
static void
swr_set_blend_color(struct pipe_context *pipe,
const struct pipe_blend_color *color)
{
struct swr_context *ctx = swr_context(pipe);
ctx->blend_color = *color;
ctx->dirty |= SWR_NEW_BLEND;
}
static void
swr_set_stencil_ref(struct pipe_context *pipe,
const struct pipe_stencil_ref *ref)
{
struct swr_context *ctx = swr_context(pipe);
ctx->stencil_ref = *ref;
ctx->dirty |= SWR_NEW_DEPTH_STENCIL_ALPHA;
}
static void *
swr_create_depth_stencil_state(
struct pipe_context *pipe,
const struct pipe_depth_stencil_alpha_state *depth_stencil)
{
struct pipe_depth_stencil_alpha_state *state;
state = (pipe_depth_stencil_alpha_state *)mem_dup(depth_stencil,
sizeof *depth_stencil);
return state;
}
static void
swr_bind_depth_stencil_state(struct pipe_context *pipe, void *depth_stencil)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->depth_stencil == (pipe_depth_stencil_alpha_state *)depth_stencil)
return;
ctx->depth_stencil = (pipe_depth_stencil_alpha_state *)depth_stencil;
ctx->dirty |= SWR_NEW_DEPTH_STENCIL_ALPHA;
}
static void
swr_delete_depth_stencil_state(struct pipe_context *pipe, void *depth)
{
FREE(depth);
}
static void *
swr_create_rasterizer_state(struct pipe_context *pipe,
const struct pipe_rasterizer_state *rast)
{
struct pipe_rasterizer_state *state;
state = (pipe_rasterizer_state *)mem_dup(rast, sizeof *rast);
return state;
}
static void
swr_bind_rasterizer_state(struct pipe_context *pipe, void *handle)
{
struct swr_context *ctx = swr_context(pipe);
const struct pipe_rasterizer_state *rasterizer =
(const struct pipe_rasterizer_state *)handle;
if (ctx->rasterizer == (pipe_rasterizer_state *)rasterizer)
return;
ctx->rasterizer = (pipe_rasterizer_state *)rasterizer;
ctx->dirty |= SWR_NEW_RASTERIZER;
}
static void
swr_delete_rasterizer_state(struct pipe_context *pipe, void *rasterizer)
{
FREE(rasterizer);
}
static void *
swr_create_sampler_state(struct pipe_context *pipe,
const struct pipe_sampler_state *sampler)
{
struct pipe_sampler_state *state =
(pipe_sampler_state *)mem_dup(sampler, sizeof *sampler);
return state;
}
static void
swr_bind_sampler_states(struct pipe_context *pipe,
enum pipe_shader_type shader,
unsigned start,
unsigned num,
void **samplers)
{
struct swr_context *ctx = swr_context(pipe);
unsigned i;
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= ARRAY_SIZE(ctx->samplers[shader]));
/* set the new samplers */
ctx->num_samplers[shader] = num;
for (i = 0; i < num; i++) {
ctx->samplers[shader][start + i] = (pipe_sampler_state *)samplers[i];
}
ctx->dirty |= SWR_NEW_SAMPLER;
}
static void
swr_delete_sampler_state(struct pipe_context *pipe, void *sampler)
{
FREE(sampler);
}
static struct pipe_sampler_view *
swr_create_sampler_view(struct pipe_context *pipe,
struct pipe_resource *texture,
const struct pipe_sampler_view *templ)
{
struct pipe_sampler_view *view = CALLOC_STRUCT(pipe_sampler_view);
if (view) {
*view = *templ;
view->reference.count = 1;
view->texture = NULL;
pipe_resource_reference(&view->texture, texture);
view->context = pipe;
}
return view;
}
static void
swr_set_sampler_views(struct pipe_context *pipe,
enum pipe_shader_type shader,
unsigned start,
unsigned num,
struct pipe_sampler_view **views)
{
struct swr_context *ctx = swr_context(pipe);
uint i;
assert(num <= PIPE_MAX_SHADER_SAMPLER_VIEWS);
assert(shader < PIPE_SHADER_TYPES);
assert(start + num <= ARRAY_SIZE(ctx->sampler_views[shader]));
/* set the new sampler views */
ctx->num_sampler_views[shader] = num;
for (i = 0; i < num; i++) {
pipe_sampler_view_reference(&ctx->sampler_views[shader][start + i],
views[i]);
}
ctx->dirty |= SWR_NEW_SAMPLER_VIEW;
}
static void
swr_sampler_view_destroy(struct pipe_context *pipe,
struct pipe_sampler_view *view)
{
pipe_resource_reference(&view->texture, NULL);
FREE(view);
}
static void *
swr_create_vs_state(struct pipe_context *pipe,
const struct pipe_shader_state *vs)
{
struct swr_vertex_shader *swr_vs = new swr_vertex_shader;
if (!swr_vs)
return NULL;
swr_vs->pipe.tokens = tgsi_dup_tokens(vs->tokens);
swr_vs->pipe.stream_output = vs->stream_output;
lp_build_tgsi_info(vs->tokens, &swr_vs->info);
swr_vs->soState = {0};
if (swr_vs->pipe.stream_output.num_outputs) {
pipe_stream_output_info *stream_output = &swr_vs->pipe.stream_output;
swr_vs->soState.soEnable = true;
// soState.rasterizerDisable set on state dirty
// soState.streamToRasterizer not used
for (uint32_t i = 0; i < stream_output->num_outputs; i++) {
unsigned attrib_slot = stream_output->output[i].register_index;
attrib_slot = swr_so_adjust_attrib(attrib_slot, swr_vs);
swr_vs->soState.streamMasks[stream_output->output[i].stream] |=
(1 << attrib_slot);
}
for (uint32_t i = 0; i < MAX_SO_STREAMS; i++) {
swr_vs->soState.streamNumEntries[i] =
_mm_popcnt_u32(swr_vs->soState.streamMasks[i]);
}
}
return swr_vs;
}
static void
swr_bind_vs_state(struct pipe_context *pipe, void *vs)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->vs == vs)
return;
ctx->vs = (swr_vertex_shader *)vs;
ctx->dirty |= SWR_NEW_VS;
}
static void
swr_delete_vs_state(struct pipe_context *pipe, void *vs)
{
struct swr_vertex_shader *swr_vs = (swr_vertex_shader *)vs;
FREE((void *)swr_vs->pipe.tokens);
struct swr_screen *screen = swr_screen(pipe->screen);
/* Defer deletion of vs state */
swr_fence_work_delete_vs(screen->flush_fence, swr_vs);
}
static void *
swr_create_fs_state(struct pipe_context *pipe,
const struct pipe_shader_state *fs)
{
struct swr_fragment_shader *swr_fs = new swr_fragment_shader;
if (!swr_fs)
return NULL;
swr_fs->pipe.tokens = tgsi_dup_tokens(fs->tokens);
lp_build_tgsi_info(fs->tokens, &swr_fs->info);
return swr_fs;
}
static void
swr_bind_fs_state(struct pipe_context *pipe, void *fs)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->fs == fs)
return;
ctx->fs = (swr_fragment_shader *)fs;
ctx->dirty |= SWR_NEW_FS;
}
static void
swr_delete_fs_state(struct pipe_context *pipe, void *fs)
{
struct swr_fragment_shader *swr_fs = (swr_fragment_shader *)fs;
FREE((void *)swr_fs->pipe.tokens);
struct swr_screen *screen = swr_screen(pipe->screen);
/* Defer deleton of fs state */
swr_fence_work_delete_fs(screen->flush_fence, swr_fs);
}
static void *
swr_create_gs_state(struct pipe_context *pipe,
const struct pipe_shader_state *gs)
{
struct swr_geometry_shader *swr_gs = new swr_geometry_shader;
if (!swr_gs)
return NULL;
swr_gs->pipe.tokens = tgsi_dup_tokens(gs->tokens);
lp_build_tgsi_info(gs->tokens, &swr_gs->info);
return swr_gs;
}
static void
swr_bind_gs_state(struct pipe_context *pipe, void *gs)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->gs == gs)
return;
ctx->gs = (swr_geometry_shader *)gs;
ctx->dirty |= SWR_NEW_GS;
}
static void
swr_delete_gs_state(struct pipe_context *pipe, void *gs)
{
struct swr_geometry_shader *swr_gs = (swr_geometry_shader *)gs;
FREE((void *)swr_gs->pipe.tokens);
struct swr_screen *screen = swr_screen(pipe->screen);
/* Defer deleton of fs state */
swr_fence_work_delete_gs(screen->flush_fence, swr_gs);
}
static void *
swr_create_tcs_state(struct pipe_context *pipe,
const struct pipe_shader_state *tcs)
{
struct swr_tess_control_shader *swr_tcs = new swr_tess_control_shader;
if (!swr_tcs)
return NULL;
swr_tcs->pipe.tokens = tgsi_dup_tokens(tcs->tokens);
lp_build_tgsi_info(tcs->tokens, &swr_tcs->info);
return swr_tcs;
}
static void
swr_bind_tcs_state(struct pipe_context *pipe, void *tcs)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->tcs == tcs)
return;
ctx->tcs = (swr_tess_control_shader *)tcs;
ctx->dirty |= SWR_NEW_TCS;
ctx->dirty |= SWR_NEW_TS;
}
static void
swr_delete_tcs_state(struct pipe_context *pipe, void *tcs)
{
struct swr_tess_control_shader *swr_tcs = (swr_tess_control_shader *)tcs;
FREE((void *)swr_tcs->pipe.tokens);
struct swr_screen *screen = swr_screen(pipe->screen);
/* Defer deleton of tcs state */
swr_fence_work_delete_tcs(screen->flush_fence, swr_tcs);
}
static void *
swr_create_tes_state(struct pipe_context *pipe,
const struct pipe_shader_state *tes)
{
struct swr_tess_evaluation_shader *swr_tes = new swr_tess_evaluation_shader;
if (!swr_tes)
return NULL;
swr_tes->pipe.tokens = tgsi_dup_tokens(tes->tokens);
lp_build_tgsi_info(tes->tokens, &swr_tes->info);
return swr_tes;
}
static void
swr_bind_tes_state(struct pipe_context *pipe, void *tes)
{
struct swr_context *ctx = swr_context(pipe);
if (ctx->tes == tes)
return;
// Save current tessellator state first
if (ctx->tes != nullptr) {
ctx->tes->ts_state = ctx->tsState;
}
ctx->tes = (swr_tess_evaluation_shader *)tes;
ctx->dirty |= SWR_NEW_TES;
ctx->dirty |= SWR_NEW_TS;
}
static void
swr_delete_tes_state(struct pipe_context *pipe, void *tes)
{
struct swr_tess_evaluation_shader *swr_tes = (swr_tess_evaluation_shader *)tes;
FREE((void *)swr_tes->pipe.tokens);
struct swr_screen *screen = swr_screen(pipe->screen);
/* Defer deleton of tes state */
swr_fence_work_delete_tes(screen->flush_fence, swr_tes);
}
static void
swr_set_constant_buffer(struct pipe_context *pipe,
enum pipe_shader_type shader,
uint index,
const struct pipe_constant_buffer *cb)
{
struct swr_context *ctx = swr_context(pipe);
struct pipe_resource *constants = cb ? cb->buffer : NULL;
assert(shader < PIPE_SHADER_TYPES);
assert(index < ARRAY_SIZE(ctx->constants[shader]));
/* note: reference counting */
util_copy_constant_buffer(&ctx->constants[shader][index], cb);
if (shader == PIPE_SHADER_VERTEX) {
ctx->dirty |= SWR_NEW_VSCONSTANTS;
} else if (shader == PIPE_SHADER_FRAGMENT) {
ctx->dirty |= SWR_NEW_FSCONSTANTS;
} else if (shader == PIPE_SHADER_GEOMETRY) {
ctx->dirty |= SWR_NEW_GSCONSTANTS;
} else if (shader == PIPE_SHADER_TESS_CTRL) {
ctx->dirty |= SWR_NEW_TCSCONSTANTS;
} else if (shader == PIPE_SHADER_TESS_EVAL) {
ctx->dirty |= SWR_NEW_TESCONSTANTS;
}
if (cb && cb->user_buffer) {
pipe_resource_reference(&constants, NULL);
}
}
static void *
swr_create_vertex_elements_state(struct pipe_context *pipe,
unsigned num_elements,
const struct pipe_vertex_element *attribs)
{
struct swr_vertex_element_state *velems;
assert(num_elements <= PIPE_MAX_ATTRIBS);
velems = new swr_vertex_element_state;
if (velems) {
memset((void*)&velems->fsState, 0, sizeof(velems->fsState));
velems->fsState.bVertexIDOffsetEnable = true;
velems->fsState.numAttribs = num_elements;
for (unsigned i = 0; i < num_elements; i++) {
// XXX: we should do this keyed on the VS usage info
const struct util_format_description *desc =
util_format_description(attribs[i].src_format);
velems->fsState.layout[i].AlignedByteOffset = attribs[i].src_offset;
velems->fsState.layout[i].Format =
mesa_to_swr_format(attribs[i].src_format);
velems->fsState.layout[i].StreamIndex =
attribs[i].vertex_buffer_index;
velems->fsState.layout[i].InstanceEnable =
attribs[i].instance_divisor != 0;
velems->fsState.layout[i].ComponentControl0 =
desc->channel[0].type != UTIL_FORMAT_TYPE_VOID
? ComponentControl::StoreSrc
: ComponentControl::Store0;
velems->fsState.layout[i].ComponentControl1 =
desc->channel[1].type != UTIL_FORMAT_TYPE_VOID
? ComponentControl::StoreSrc
: ComponentControl::Store0;
velems->fsState.layout[i].ComponentControl2 =
desc->channel[2].type != UTIL_FORMAT_TYPE_VOID
? ComponentControl::StoreSrc
: ComponentControl::Store0;
velems->fsState.layout[i].ComponentControl3 =
desc->channel[3].type != UTIL_FORMAT_TYPE_VOID
? ComponentControl::StoreSrc
: ComponentControl::Store1Fp;
velems->fsState.layout[i].ComponentPacking = ComponentEnable::XYZW;
velems->fsState.layout[i].InstanceAdvancementState =
attribs[i].instance_divisor;
/* Calculate the pitch of each stream */
const SWR_FORMAT_INFO &swr_desc = GetFormatInfo(
mesa_to_swr_format(attribs[i].src_format));
velems->stream_pitch[attribs[i].vertex_buffer_index] += swr_desc.Bpp;
if (attribs[i].instance_divisor != 0) {
velems->instanced_bufs |= 1U << attribs[i].vertex_buffer_index;
uint32_t *min_instance_div =
&velems->min_instance_div[attribs[i].vertex_buffer_index];
if (!*min_instance_div ||
attribs[i].instance_divisor < *min_instance_div)
*min_instance_div = attribs[i].instance_divisor;
}
}
}
return velems;
}
static void
swr_bind_vertex_elements_state(struct pipe_context *pipe, void *velems)
{
struct swr_context *ctx = swr_context(pipe);
struct swr_vertex_element_state *swr_velems =
(struct swr_vertex_element_state *)velems;
ctx->velems = swr_velems;
ctx->dirty |= SWR_NEW_VERTEX;
}
static void
swr_delete_vertex_elements_state(struct pipe_context *pipe, void *velems)
{
struct swr_vertex_element_state *swr_velems =
(struct swr_vertex_element_state *) velems;
/* XXX Need to destroy fetch shader? */
delete swr_velems;
}
static void
swr_set_vertex_buffers(struct pipe_context *pipe,
unsigned start_slot,
unsigned num_elements,
const struct pipe_vertex_buffer *buffers)
{
struct swr_context *ctx = swr_context(pipe);
assert(num_elements <= PIPE_MAX_ATTRIBS);
util_set_vertex_buffers_count(ctx->vertex_buffer,
&ctx->num_vertex_buffers,
buffers,
start_slot,
num_elements);
ctx->dirty |= SWR_NEW_VERTEX;
}
static void
swr_set_polygon_stipple(struct pipe_context *pipe,
const struct pipe_poly_stipple *stipple)
{
struct swr_context *ctx = swr_context(pipe);
ctx->poly_stipple.pipe = *stipple; /* struct copy */
ctx->dirty |= SWR_NEW_STIPPLE;
}
static void
swr_set_clip_state(struct pipe_context *pipe,
const struct pipe_clip_state *clip)
{
struct swr_context *ctx = swr_context(pipe);
ctx->clip = *clip;
/* XXX Unimplemented, but prevents crash */
ctx->dirty |= SWR_NEW_CLIP;
}
static void
swr_set_scissor_states(struct pipe_context *pipe,
unsigned start_slot,
unsigned num_scissors,
const struct pipe_scissor_state *scissors)
{
struct swr_context *ctx = swr_context(pipe);
memcpy(ctx->scissors + start_slot, scissors,
sizeof(struct pipe_scissor_state) * num_scissors);
for (unsigned i = 0; i < num_scissors; i++) {
auto idx = start_slot + i;
ctx->swr_scissors[idx].xmin = scissors[idx].minx;
ctx->swr_scissors[idx].xmax = scissors[idx].maxx;
ctx->swr_scissors[idx].ymin = scissors[idx].miny;
ctx->swr_scissors[idx].ymax = scissors[idx].maxy;
}
ctx->dirty |= SWR_NEW_SCISSOR;
}
static void
swr_set_viewport_states(struct pipe_context *pipe,
unsigned start_slot,
unsigned num_viewports,
const struct pipe_viewport_state *vpt)
{
struct swr_context *ctx = swr_context(pipe);
memcpy(ctx->viewports + start_slot, vpt, sizeof(struct pipe_viewport_state) * num_viewports);
ctx->dirty |= SWR_NEW_VIEWPORT;
}
static void
swr_set_framebuffer_state(struct pipe_context *pipe,
const struct pipe_framebuffer_state *fb)
{
struct swr_context *ctx = swr_context(pipe);
bool changed = !util_framebuffer_state_equal(&ctx->framebuffer, fb);
assert(fb->width <= KNOB_GUARDBAND_WIDTH);
assert(fb->height <= KNOB_GUARDBAND_HEIGHT);
if (changed) {
util_copy_framebuffer_state(&ctx->framebuffer, fb);
/* 0 and 1 both indicate no msaa. Core doesn't understand 0 samples */
ctx->framebuffer.samples = std::max((ubyte)1, ctx->framebuffer.samples);
ctx->dirty |= SWR_NEW_FRAMEBUFFER;
}
}
static void
swr_set_sample_mask(struct pipe_context *pipe, unsigned sample_mask)
{
struct swr_context *ctx = swr_context(pipe);
if (sample_mask != ctx->sample_mask) {
ctx->sample_mask = sample_mask;
ctx->dirty |= SWR_NEW_RASTERIZER;
}
}
/*
* MSAA fixed sample position table
* used by update_derived and get_sample_position
* (integer locations on a 16x16 grid)
*/
static const uint8_t swr_sample_positions[][2] =
{ /* 1x*/ { 8, 8},
/* 2x*/ {12,12},{ 4, 4},
/* 4x*/ { 6, 2},{14, 6},{ 2,10},{10,14},
/* 8x*/ { 9, 5},{ 7,11},{13, 9},{ 5, 3},
{ 3,13},{ 1, 7},{11,15},{15, 1},
/*16x*/ { 9, 9},{ 7, 5},{ 5,10},{12, 7},
{ 3, 6},{10,13},{13,11},{11, 3},
{ 6,14},{ 8, 1},{ 4, 2},{ 2,12},
{ 0, 8},{15, 4},{14,15},{ 1, 0} };
static void
swr_get_sample_position(struct pipe_context *pipe,
unsigned sample_count, unsigned sample_index,
float *out_value)
{
/* validate sample_count */
sample_count = GetNumSamples(GetSampleCount(sample_count));
const uint8_t *sample = swr_sample_positions[sample_count-1 + sample_index];
out_value[0] = sample[0] / 16.0f;
out_value[1] = sample[1] / 16.0f;
}
/*
* Update resource in-use status
* All resources bound to color or depth targets marked as WRITE resources.
* VBO Vertex/index buffers and texture views marked as READ resources.
*/
void
swr_update_resource_status(struct pipe_context *pipe,
const struct pipe_draw_info *p_draw_info)
{
struct swr_context *ctx = swr_context(pipe);
struct pipe_framebuffer_state *fb = &ctx->framebuffer;
/* colorbuffer targets */
if (fb->nr_cbufs)
for (uint32_t i = 0; i < fb->nr_cbufs; ++i)
if (fb->cbufs[i])
swr_resource_write(fb->cbufs[i]->texture);
/* depth/stencil target */
if (fb->zsbuf)
swr_resource_write(fb->zsbuf->texture);
/* VBO vertex buffers */
for (uint32_t i = 0; i < ctx->num_vertex_buffers; i++) {
struct pipe_vertex_buffer *vb = &ctx->vertex_buffer[i];
if (!vb->is_user_buffer && vb->buffer.resource)
swr_resource_read(vb->buffer.resource);
}
/* VBO index buffer */
if (p_draw_info && p_draw_info->index_size) {
if (!p_draw_info->has_user_indices)
swr_resource_read(p_draw_info->index.resource);
}
/* transform feedback buffers */
for (uint32_t i = 0; i < ctx->num_so_targets; i++) {
struct pipe_stream_output_target *target = ctx->so_targets[i];
if (target && target->buffer)
swr_resource_write(target->buffer);
}
/* texture sampler views */
for (uint32_t j : {PIPE_SHADER_VERTEX, PIPE_SHADER_FRAGMENT}) {
for (uint32_t i = 0; i < ctx->num_sampler_views[j]; i++) {
struct pipe_sampler_view *view = ctx->sampler_views[j][i];
if (view)
swr_resource_read(view->texture);
}
}
/* constant buffers */
for (uint32_t j : {PIPE_SHADER_VERTEX, PIPE_SHADER_FRAGMENT}) {
for (uint32_t i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) {
struct pipe_constant_buffer *cb = &ctx->constants[j][i];
if (cb->buffer)
swr_resource_read(cb->buffer);
}
}
}
static void
swr_update_texture_state(struct swr_context *ctx,
enum pipe_shader_type shader_type,
unsigned num_sampler_views,
swr_jit_texture *textures)
{
for (unsigned i = 0; i < num_sampler_views; i++) {
struct pipe_sampler_view *view =
ctx->sampler_views[shader_type][i];
struct swr_jit_texture *jit_tex = &textures[i];
memset(jit_tex, 0, sizeof(*jit_tex));
if (view) {
struct pipe_resource *res = view->texture;
struct swr_resource *swr_res = swr_resource(res);
SWR_SURFACE_STATE *swr = &swr_res->swr;
size_t *mip_offsets = swr_res->mip_offsets;
if (swr_res->has_depth && swr_res->has_stencil &&
!util_format_has_depth(util_format_description(view->format))) {
swr = &swr_res->secondary;
mip_offsets = swr_res->secondary_mip_offsets;
}
jit_tex->width = res->width0;
jit_tex->height = res->height0;
jit_tex->base_ptr = (uint8_t*)swr->xpBaseAddress;
jit_tex->num_samples = swr->numSamples;
jit_tex->sample_stride = 0;
if (view->target != PIPE_BUFFER) {
jit_tex->first_level = view->u.tex.first_level;
jit_tex->last_level = view->u.tex.last_level;
if (view->target == PIPE_TEXTURE_3D)
jit_tex->depth = res->depth0;
else
jit_tex->depth =
view->u.tex.last_layer - view->u.tex.first_layer + 1;
jit_tex->base_ptr += view->u.tex.first_layer *
swr->qpitch * swr->pitch;
} else {
unsigned view_blocksize = util_format_get_blocksize(view->format);
jit_tex->base_ptr += view->u.buf.offset;
jit_tex->width = view->u.buf.size / view_blocksize;
jit_tex->depth = 1;
}
for (unsigned level = jit_tex->first_level;
level <= jit_tex->last_level;
level++) {
jit_tex->row_stride[level] = swr->pitch;
jit_tex->img_stride[level] = swr->qpitch * swr->pitch;
jit_tex->mip_offsets[level] = mip_offsets[level];
}
}
}
}
static void
swr_update_sampler_state(struct swr_context *ctx,
enum pipe_shader_type shader_type,
unsigned num_samplers,
swr_jit_sampler *samplers)
{
for (unsigned i = 0; i < num_samplers; i++) {
const struct pipe_sampler_state *sampler =
ctx->samplers[shader_type][i];
if (sampler) {
samplers[i].min_lod = sampler->min_lod;
samplers[i].max_lod = sampler->max_lod;
samplers[i].lod_bias = sampler->lod_bias;
COPY_4V(samplers[i].border_color, sampler->border_color.f);
}
}
}
static void
swr_update_constants(struct swr_context *ctx, enum pipe_shader_type shaderType)
{
swr_draw_context *pDC = &ctx->swrDC;
const float **constant;
uint32_t *num_constants;
struct swr_scratch_space *scratch;
switch (shaderType) {
case PIPE_SHADER_VERTEX:
constant = pDC->constantVS;
num_constants = pDC->num_constantsVS;
scratch = &ctx->scratch->vs_constants;
break;
case PIPE_SHADER_FRAGMENT:
constant = pDC->constantFS;
num_constants = pDC->num_constantsFS;
scratch = &ctx->scratch->fs_constants;
break;
case PIPE_SHADER_GEOMETRY:
constant = pDC->constantGS;
num_constants = pDC->num_constantsGS;
scratch = &ctx->scratch->gs_constants;
break;
case PIPE_SHADER_TESS_CTRL:
constant = pDC->constantTCS;
num_constants = pDC->num_constantsTCS;
scratch = &ctx->scratch->tcs_constants;
break;
case PIPE_SHADER_TESS_EVAL:
constant = pDC->constantTES;
num_constants = pDC->num_constantsTES;
scratch = &ctx->scratch->tes_constants;
break;
default:
assert(0 && "Unsupported shader type constants");
return;
}
for (UINT i = 0; i < PIPE_MAX_CONSTANT_BUFFERS; i++) {
const pipe_constant_buffer *cb = &ctx->constants[shaderType][i];
num_constants[i] = cb->buffer_size;
if (cb->buffer) {
constant[i] =
(const float *)(swr_resource_data(cb->buffer) +
cb->buffer_offset);
} else {
/* Need to copy these constants to scratch space */
if (cb->user_buffer && cb->buffer_size) {
const void *ptr =
((const uint8_t *)cb->user_buffer + cb->buffer_offset);
uint32_t size = AlignUp(cb->buffer_size, 4);
ptr = swr_copy_to_scratch_space(ctx, scratch, ptr, size);
constant[i] = (const float *)ptr;
}
}
}
}
static bool
swr_change_rt(struct swr_context *ctx,
unsigned attachment,
const struct pipe_surface *sf)
{
swr_draw_context *pDC = &ctx->swrDC;
struct SWR_SURFACE_STATE *rt = &pDC->renderTargets[attachment];
/* Do nothing if the render target hasn't changed */
if ((!sf || !sf->texture) && (void*)(rt->xpBaseAddress) == nullptr)
return false;
/* Deal with disabling RT up front */
if (!sf || !sf->texture) {
/* If detaching attachment, mark tiles as RESOLVED so core
* won't try to load from non-existent target. */
swr_store_render_target(&ctx->pipe, attachment, SWR_TILE_RESOLVED);
*rt = {0};
return true;
}
const struct swr_resource *swr = swr_resource(sf->texture);
const SWR_SURFACE_STATE *swr_surface = &swr->swr;
SWR_FORMAT fmt = mesa_to_swr_format(sf->format);
if (attachment == SWR_ATTACHMENT_STENCIL && swr->secondary.xpBaseAddress) {
swr_surface = &swr->secondary;
fmt = swr_surface->format;
}
if (rt->xpBaseAddress == swr_surface->xpBaseAddress &&
rt->format == fmt &&
rt->lod == sf->u.tex.level &&
rt->arrayIndex == sf->u.tex.first_layer)
return false;
bool need_fence = false;
/* StoreTile for changed target */
if (rt->xpBaseAddress) {
/* If changing attachment to a new target, mark tiles as
* INVALID so they are reloaded from surface. */
swr_store_render_target(&ctx->pipe, attachment, SWR_TILE_INVALID);
need_fence = true;
} else {
/* if no previous attachment, invalidate tiles that may be marked
* RESOLVED because of an old attachment */
swr_invalidate_render_target(&ctx->pipe, attachment, sf->width, sf->height);
/* no need to set fence here */
}
/* Make new attachment */
*rt = *swr_surface;
rt->format = fmt;
rt->lod = sf->u.tex.level;
rt->arrayIndex = sf->u.tex.first_layer;
return need_fence;
}
/*
* for cases where resources are shared between contexts, invalidate
* this ctx's resource. so it can be fetched fresh. Old ctx's resource
* is already stored during a flush
*/
static inline void
swr_invalidate_buffers_after_ctx_change(struct pipe_context *pipe)
{
struct swr_context *ctx = swr_context(pipe);
for (uint32_t i = 0; i < ctx->framebuffer.nr_cbufs; i++) {
struct pipe_surface *cb = ctx->framebuffer.cbufs[i];
if (cb) {
struct swr_resource *res = swr_resource(cb->texture);
if (res->curr_pipe != pipe) {
/* if curr_pipe is NULL (first use), status should not be WRITE */
assert(res->curr_pipe || !(res->status & SWR_RESOURCE_WRITE));
if (res->status & SWR_RESOURCE_WRITE) {
swr_invalidate_render_target(pipe, i, cb->width, cb->height);
}
}
res->curr_pipe = pipe;
}
}
if (ctx->framebuffer.zsbuf) {
struct pipe_surface *zb = ctx->framebuffer.zsbuf;
if (zb) {
struct swr_resource *res = swr_resource(zb->texture);
if (res->curr_pipe != pipe) {
/* if curr_pipe is NULL (first use), status should not be WRITE */
assert(res->curr_pipe || !(res->status & SWR_RESOURCE_WRITE));
if (res->status & SWR_RESOURCE_WRITE) {
swr_invalidate_render_target(pipe, SWR_ATTACHMENT_DEPTH, zb->width, zb->height);
swr_invalidate_render_target(pipe, SWR_ATTACHMENT_STENCIL, zb->width, zb->height);
}
}
res->curr_pipe = pipe;
}
}
}
static inline void
swr_user_vbuf_range(const struct pipe_draw_info *info,
const struct swr_vertex_element_state *velems,
const struct pipe_vertex_buffer *vb,
uint32_t i,
uint32_t *totelems,
uint32_t *base,
uint32_t *size)
{
/* FIXME: The size is too large - we don't access the full extra stride. */
unsigned elems;
unsigned elem_pitch = vb->stride + velems->stream_pitch[i];
if (velems->instanced_bufs & (1U << i)) {
elems = info->instance_count / velems->min_instance_div[i] + 1;
*totelems = info->start_instance + elems;
*base = info->start_instance * vb->stride;
*size = elems * elem_pitch;
} else if (vb->stride) {
elems = info->max_index - info->min_index + 1;
*totelems = (info->max_index + info->index_bias) + 1;
*base = (info->min_index + info->index_bias) * vb->stride;
*size = elems * elem_pitch;
} else {
*totelems = 1;
*base = 0;
*size = velems->stream_pitch[i];
}
}
static void
swr_update_poly_stipple(struct swr_context *ctx)
{
struct swr_draw_context *pDC = &ctx->swrDC;
assert(sizeof(ctx->poly_stipple.pipe.stipple) == sizeof(pDC->polyStipple));
memcpy(pDC->polyStipple,
ctx->poly_stipple.pipe.stipple,
sizeof(ctx->poly_stipple.pipe.stipple));
}
static struct tgsi_shader_info *
swr_get_last_fe(const struct swr_context *ctx)
{
tgsi_shader_info *pLastFE = &ctx->vs->info.base;
if (ctx->gs) {
pLastFE = &ctx->gs->info.base;
}
else if (ctx->tes) {
pLastFE = &ctx->tes->info.base;
}
else if (ctx->tcs) {
pLastFE = &ctx->tcs->info.base;
}
return pLastFE;
}
void
swr_update_derived(struct pipe_context *pipe,
const struct pipe_draw_info *p_draw_info)
{
struct swr_context *ctx = swr_context(pipe);
struct swr_screen *screen = swr_screen(pipe->screen);
/* When called from swr_clear (p_draw_info = null), set any null
* state-objects to the dummy state objects to prevent nullptr dereference
* in validation below.
*
* Important that this remains static for zero initialization. These
* aren't meant to be proper state objects, just empty structs. They will
* not be written to.
*
* Shaders can't be part of the union since they contain std::unordered_map
*/
static struct {
union {
struct pipe_rasterizer_state rasterizer;
struct pipe_depth_stencil_alpha_state depth_stencil;
struct swr_blend_state blend;
} state;
struct swr_vertex_shader vs;
struct swr_fragment_shader fs;
} swr_dummy;
if (!p_draw_info) {
if (!ctx->rasterizer)
ctx->rasterizer = &swr_dummy.state.rasterizer;
if (!ctx->depth_stencil)
ctx->depth_stencil = &swr_dummy.state.depth_stencil;
if (!ctx->blend)
ctx->blend = &swr_dummy.state.blend;
if (!ctx->vs)
ctx->vs = &swr_dummy.vs;
if (!ctx->fs)
ctx->fs = &swr_dummy.fs;
}
/* Update screen->pipe to current pipe context. */
screen->pipe = pipe;
/* Any state that requires dirty flags to be re-triggered sets this mask */
/* For example, user_buffer vertex and index buffers. */
unsigned post_update_dirty_flags = 0;
/* bring resources that changed context up-to-date */
swr_invalidate_buffers_after_ctx_change(pipe);
/* Render Targets */
if (ctx->dirty & SWR_NEW_FRAMEBUFFER) {
struct pipe_framebuffer_state *fb = &ctx->framebuffer;
const struct util_format_description *desc = NULL;
bool need_fence = false;
/* colorbuffer targets */
if (fb->nr_cbufs) {
for (unsigned i = 0; i < fb->nr_cbufs; ++i)
need_fence |= swr_change_rt(
ctx, SWR_ATTACHMENT_COLOR0 + i, fb->cbufs[i]);
}
for (unsigned i = fb->nr_cbufs; i < SWR_NUM_RENDERTARGETS; ++i)
need_fence |= swr_change_rt(ctx, SWR_ATTACHMENT_COLOR0 + i, NULL);
/* depth/stencil target */
if (fb->zsbuf)
desc = util_format_description(fb->zsbuf->format);
if (fb->zsbuf && util_format_has_depth(desc))
need_fence |= swr_change_rt(ctx, SWR_ATTACHMENT_DEPTH, fb->zsbuf);
else
need_fence |= swr_change_rt(ctx, SWR_ATTACHMENT_DEPTH, NULL);
if (fb->zsbuf && util_format_has_stencil(desc))
need_fence |= swr_change_rt(ctx, SWR_ATTACHMENT_STENCIL, fb->zsbuf);
else
need_fence |= swr_change_rt(ctx, SWR_ATTACHMENT_STENCIL, NULL);
/* This fence ensures any attachment changes are resolved before the
* next draw */
if (need_fence)
swr_fence_submit(ctx, screen->flush_fence);
}
/* Raster state */
if (ctx->dirty & (SWR_NEW_RASTERIZER |
SWR_NEW_VS | // clipping
SWR_NEW_TES |
SWR_NEW_TCS |
SWR_NEW_FRAMEBUFFER)) {
pipe_rasterizer_state *rasterizer = ctx->rasterizer;
pipe_framebuffer_state *fb = &ctx->framebuffer;
SWR_RASTSTATE *rastState = &ctx->derived.rastState;
rastState->cullMode = swr_convert_cull_mode(rasterizer->cull_face);
rastState->frontWinding = rasterizer->front_ccw
? SWR_FRONTWINDING_CCW
: SWR_FRONTWINDING_CW;
rastState->scissorEnable = rasterizer->scissor;
rastState->pointSize = rasterizer->point_size > 0.0f
? rasterizer->point_size
: 1.0f;
rastState->lineWidth = rasterizer->line_width > 0.0f
? rasterizer->line_width
: 1.0f;
rastState->pointParam = rasterizer->point_size_per_vertex;
rastState->pointSpriteEnable = rasterizer->sprite_coord_enable;
rastState->pointSpriteTopOrigin =
rasterizer->sprite_coord_mode == PIPE_SPRITE_COORD_UPPER_LEFT;
/* If SWR_MSAA_FORCE_ENABLE is set, turn msaa on */
if (screen->msaa_force_enable && !rasterizer->multisample) {
/* Force enable and use the value the surface was created with */
rasterizer->multisample = true;
fb->samples = swr_resource(fb->cbufs[0]->texture)->swr.numSamples;
fprintf(stderr,"msaa force enable: %d samples\n", fb->samples);
}
rastState->sampleCount = GetSampleCount(fb->samples);
rastState->forcedSampleCount = false;
rastState->bIsCenterPattern = !rasterizer->multisample;
rastState->pixelLocation = SWR_PIXEL_LOCATION_CENTER;
/* Only initialize sample positions if msaa is enabled */
if (rasterizer->multisample) {
for (uint32_t i = 0; i < fb->samples; i++) {
const uint8_t *sample = swr_sample_positions[fb->samples-1 + i];
rastState->samplePositions.SetXi(i, sample[0] << 4);
rastState->samplePositions.SetYi(i, sample[1] << 4);
rastState->samplePositions.SetX (i, sample[0] / 16.0f);
rastState->samplePositions.SetY (i, sample[1] / 16.0f);
}
rastState->samplePositions.PrecalcSampleData(fb->samples);
}
bool do_offset = false;
switch (rasterizer->fill_front) {
case PIPE_POLYGON_MODE_FILL:
do_offset = rasterizer->offset_tri;
break;
case PIPE_POLYGON_MODE_LINE:
do_offset = rasterizer->offset_line;
break;
case PIPE_POLYGON_MODE_POINT:
do_offset = rasterizer->offset_point;
break;
}
if (do_offset) {
rastState->depthBias = rasterizer->offset_units;
rastState->slopeScaledDepthBias = rasterizer->offset_scale;
rastState->depthBiasClamp = rasterizer->offset_clamp;
} else {
rastState->depthBias = 0;
rastState->slopeScaledDepthBias = 0;
rastState->depthBiasClamp = 0;
}
/* translate polygon mode, at least for the front==back case */
rastState->fillMode = swr_convert_fill_mode(rasterizer->fill_front);
struct pipe_surface *zb = fb->zsbuf;
if (zb && swr_resource(zb->texture)->has_depth)
rastState->depthFormat = swr_resource(zb->texture)->swr.format;
rastState->depthClipEnable = rasterizer->depth_clip_near;
rastState->clipEnable = rasterizer->depth_clip_near | rasterizer->depth_clip_far;
rastState->clipHalfZ = rasterizer->clip_halfz;
ctx->api.pfnSwrSetRastState(ctx->swrContext, rastState);
}
/* Viewport */
if (ctx->dirty & (SWR_NEW_VIEWPORT | SWR_NEW_FRAMEBUFFER
| SWR_NEW_RASTERIZER)) {
pipe_viewport_state *state = &ctx->viewports[0];
pipe_framebuffer_state *fb = &ctx->framebuffer;
pipe_rasterizer_state *rasterizer = ctx->rasterizer;
SWR_VIEWPORT *vp = &ctx->derived.vp[0];
SWR_VIEWPORT_MATRICES *vpm = &ctx->derived.vpm;
for (unsigned i = 0; i < KNOB_NUM_VIEWPORTS_SCISSORS; i++) {
vp->x = state->translate[0] - state->scale[0];
vp->width = 2 * state->scale[0];
vp->y = state->translate[1] - fabs(state->scale[1]);
vp->height = 2 * fabs(state->scale[1]);
util_viewport_zmin_zmax(state, rasterizer->clip_halfz,
&vp->minZ, &vp->maxZ);
if (rasterizer->depth_clip_near) {
vp->minZ = 0.0f;
}
if (rasterizer->depth_clip_far) {
vp->maxZ = 1.0f;
}
vpm->m00[i] = state->scale[0];
vpm->m11[i] = state->scale[1];
vpm->m22[i] = state->scale[2];
vpm->m30[i] = state->translate[0];
vpm->m31[i] = state->translate[1];
vpm->m32[i] = state->translate[2];
/* Now that the matrix is calculated, clip the view coords to screen
* size. OpenGL allows for -ve x,y in the viewport. */
if (vp->x < 0.0f) {
vp->width += vp->x;
vp->x = 0.0f;
}
if (vp->y < 0.0f) {
vp->height += vp->y;
vp->y = 0.0f;
}
vp->width = std::min(vp->width, (float) fb->width - vp->x);
vp->height = std::min(vp->height, (float) fb->height - vp->y);
vp++;
state++;
}
ctx->api.pfnSwrSetViewports(ctx->swrContext, KNOB_NUM_VIEWPORTS_SCISSORS,
&ctx->derived.vp[0], &ctx->derived.vpm);
}
/* When called from swr_clear (p_draw_info = null), render targets,
* rasterState and viewports (dependent on render targets) are the only
* necessary validation. Defer remaining validation by setting
* post_update_dirty_flags and clear all dirty flags. BackendState is
* still unconditionally validated below */
if (!p_draw_info) {
post_update_dirty_flags = ctx->dirty & ~(SWR_NEW_FRAMEBUFFER |
SWR_NEW_RASTERIZER |
SWR_NEW_VIEWPORT);
ctx->dirty = 0;
}
/* Scissor */
if (ctx->dirty & SWR_NEW_SCISSOR) {
ctx->api.pfnSwrSetScissorRects(ctx->swrContext, KNOB_NUM_VIEWPORTS_SCISSORS, ctx->swr_scissors);
}
/* Set vertex & index buffers */
if (ctx->dirty & SWR_NEW_VERTEX) {
const struct pipe_draw_info &info = *p_draw_info;
/* vertex buffers */
SWR_VERTEX_BUFFER_STATE swrVertexBuffers[PIPE_MAX_ATTRIBS];
for (UINT i = 0; i < ctx->num_vertex_buffers; i++) {
uint32_t size = 0, pitch = 0, elems = 0, partial_inbounds = 0;
uint32_t min_vertex_index = 0;
const uint8_t *p_data;
struct pipe_vertex_buffer *vb = &ctx->vertex_buffer[i];
pitch = vb->stride;
if (vb->is_user_buffer) {
/* Client buffer
* client memory is one-time use, re-trigger SWR_NEW_VERTEX to
* revalidate on each draw */
post_update_dirty_flags |= SWR_NEW_VERTEX;
uint32_t base;
swr_user_vbuf_range(&info, ctx->velems, vb, i, &elems, &base, &size);
partial_inbounds = 0;
min_vertex_index = info.min_index + info.index_bias;
size = AlignUp(size, 4);
/* If size of client memory copy is too large, don't copy. The
* draw will access user-buffer directly and then block. This is
* faster than queuing many large client draws. */
if (size >= screen->client_copy_limit) {
post_update_dirty_flags |= SWR_BLOCK_CLIENT_DRAW;
p_data = (const uint8_t *) vb->buffer.user;
} else {
/* Copy only needed vertices to scratch space */
const void *ptr = (const uint8_t *) vb->buffer.user + base;
ptr = (uint8_t *)swr_copy_to_scratch_space(
ctx, &ctx->scratch->vertex_buffer, ptr, size);
p_data = (const uint8_t *)ptr - base;
}
} else if (vb->buffer.resource) {
/* VBO */
if (!pitch) {
/* If pitch=0 (ie vb->stride), buffer contains a single
* constant attribute. Use the stream_pitch which was
* calculated during creation of vertex_elements_state for the
* size of the attribute. */
size = ctx->velems->stream_pitch[i];
elems = 1;
partial_inbounds = 0;
min_vertex_index = 0;
} else {
/* size is based on buffer->width0 rather than info.max_index
* to prevent having to validate VBO on each draw. */
size = vb->buffer.resource->width0;
elems = size / pitch;
partial_inbounds = size % pitch;
min_vertex_index = 0;
}
p_data = swr_resource_data(vb->buffer.resource) + vb->buffer_offset;
} else
p_data = NULL;
swrVertexBuffers[i] = {0};
swrVertexBuffers[i].index = i;
swrVertexBuffers[i].pitch = pitch;
swrVertexBuffers[i].xpData = (gfxptr_t) p_data;
swrVertexBuffers[i].size = size;
swrVertexBuffers[i].minVertex = min_vertex_index;
swrVertexBuffers[i].maxVertex = elems;
swrVertexBuffers[i].partialInboundsSize = partial_inbounds;
}
ctx->api.pfnSwrSetVertexBuffers(
ctx->swrContext, ctx->num_vertex_buffers, swrVertexBuffers);
/* index buffer, if required (info passed in by swr_draw_vbo) */
SWR_FORMAT index_type = R32_UINT; /* Default for non-indexed draws */
if (info.index_size) {
const uint8_t *p_data;
uint32_t size, pitch;
pitch = info.index_size ? info.index_size : sizeof(uint32_t);
index_type = swr_convert_index_type(pitch);
if (!info.has_user_indices) {
/* VBO
* size is based on buffer->width0 rather than info.count
* to prevent having to validate VBO on each draw */
size = info.index.resource->width0;
p_data = swr_resource_data(info.index.resource);
} else {
/* Client buffer
* client memory is one-time use, re-trigger SWR_NEW_VERTEX to
* revalidate on each draw */
post_update_dirty_flags |= SWR_NEW_VERTEX;
size = info.count * pitch;
size = AlignUp(size, 4);
/* If size of client memory copy is too large, don't copy. The
* draw will access user-buffer directly and then block. This is
* faster than queuing many large client draws. */
if (size >= screen->client_copy_limit) {
post_update_dirty_flags |= SWR_BLOCK_CLIENT_DRAW;
p_data = (const uint8_t *) info.index.user;
} else {
/* Copy indices to scratch space */
const void *ptr = info.index.user;
ptr = swr_copy_to_scratch_space(
ctx, &ctx->scratch->index_buffer, ptr, size);
p_data = (const uint8_t *)ptr;
}
}
SWR_INDEX_BUFFER_STATE swrIndexBuffer;
swrIndexBuffer.format = swr_convert_index_type(info.index_size);
swrIndexBuffer.xpIndices = (gfxptr_t) p_data;
swrIndexBuffer.size = size;
ctx->api.pfnSwrSetIndexBuffer(ctx->swrContext, &swrIndexBuffer);
}
struct swr_vertex_element_state *velems = ctx->velems;
if (velems && velems->fsState.indexType != index_type) {
velems->fsFunc = NULL;
velems->fsState.indexType = index_type;
}
}
/* GeometryShader */
if (ctx->dirty & (SWR_NEW_GS |
SWR_NEW_VS |
SWR_NEW_TCS |
SWR_NEW_TES |
SWR_NEW_SAMPLER |
SWR_NEW_SAMPLER_VIEW)) {
if (ctx->gs) {
swr_jit_gs_key key;
swr_generate_gs_key(key, ctx, ctx->gs);
auto search = ctx->gs->map.find(key);
PFN_GS_FUNC func;
if (search != ctx->gs->map.end()) {
func = search->second->shader;
} else {
func = swr_compile_gs(ctx, key);
}
ctx->api.pfnSwrSetGsFunc(ctx->swrContext, func);
/* JIT sampler state */
if (ctx->dirty & SWR_NEW_SAMPLER) {
swr_update_sampler_state(ctx,
PIPE_SHADER_GEOMETRY,
key.nr_samplers,
ctx->swrDC.samplersGS);
}
/* JIT sampler view state */
if (ctx->dirty & (SWR_NEW_SAMPLER_VIEW | SWR_NEW_FRAMEBUFFER)) {
swr_update_texture_state(ctx,
PIPE_SHADER_GEOMETRY,
key.nr_sampler_views,
ctx->swrDC.texturesGS);
}
ctx->api.pfnSwrSetGsState(ctx->swrContext, &ctx->gs->gsState);
} else {
SWR_GS_STATE state = { 0 };
ctx->api.pfnSwrSetGsState(ctx->swrContext, &state);
ctx->api.pfnSwrSetGsFunc(ctx->swrContext, NULL);
}
}
// We may need to restore tessellation state
// This restored state may be however overwritten
// during shader compilation
if (ctx->dirty & SWR_NEW_TS) {
if (ctx->tes != nullptr) {
ctx->tsState = ctx->tes->ts_state;
ctx->api.pfnSwrSetTsState(ctx->swrContext, &ctx->tsState);
} else {
SWR_TS_STATE state = { 0 };
ctx->api.pfnSwrSetTsState(ctx->swrContext, &state);
}
}
// Tessellation Evaluation Shader
// Compile TES first, because TCS is optional
if (ctx->dirty & (SWR_NEW_GS |
SWR_NEW_VS |
SWR_NEW_TCS |
SWR_NEW_TES |
SWR_NEW_SAMPLER |
SWR_NEW_SAMPLER_VIEW)) {
if (ctx->tes) {
swr_jit_tes_key key;
swr_generate_tes_key(key, ctx, ctx->tes);
auto search = ctx->tes->map.find(key);
PFN_TES_FUNC func;
if (search != ctx->tes->map.end()) {
func = search->second->shader;
} else {
func = swr_compile_tes(ctx, key);
}
ctx->api.pfnSwrSetDsFunc(ctx->swrContext, func);
/* JIT sampler state */
if (ctx->dirty & SWR_NEW_SAMPLER) {
swr_update_sampler_state(ctx,
PIPE_SHADER_TESS_EVAL,
key.nr_samplers,
ctx->swrDC.samplersTES);
}
/* JIT sampler view state */
if (ctx->dirty & (SWR_NEW_SAMPLER_VIEW | SWR_NEW_FRAMEBUFFER)) {
swr_update_texture_state(ctx,
PIPE_SHADER_TESS_EVAL,
key.nr_sampler_views,
ctx->swrDC.texturesTES);
}
// Update tessellation state in case it's been updated
ctx->api.pfnSwrSetTsState(ctx->swrContext, &ctx->tsState);
} else {
ctx->api.pfnSwrSetDsFunc(ctx->swrContext, NULL);
}
}
/* Tessellation Control Shader */
if (ctx->dirty & (SWR_NEW_GS |
SWR_NEW_VS |
SWR_NEW_TCS |
SWR_NEW_TES |
SWR_NEW_SAMPLER |
SWR_NEW_SAMPLER_VIEW)) {
if (ctx->tcs) {
ctx->tcs->vertices_per_patch = p_draw_info->vertices_per_patch;
swr_jit_tcs_key key;
swr_generate_tcs_key(key, ctx, ctx->tcs);
auto search = ctx->tcs->map.find(key);
PFN_TCS_FUNC func;
if (search != ctx->tcs->map.end()) {
func = search->second->shader;
} else {
func = swr_compile_tcs(ctx, key);
}
ctx->api.pfnSwrSetHsFunc(ctx->swrContext, func);
/* JIT sampler state */
if (ctx->dirty & SWR_NEW_SAMPLER) {
swr_update_sampler_state(ctx,
PIPE_SHADER_TESS_CTRL,
key.nr_samplers,
ctx->swrDC.samplersTCS);
}
/* JIT sampler view state */
if (ctx->dirty & (SWR_NEW_SAMPLER_VIEW | SWR_NEW_FRAMEBUFFER)) {
swr_update_texture_state(ctx,
PIPE_SHADER_TESS_CTRL,
key.nr_sampler_views,
ctx->swrDC.texturesTCS);
}
// Update tessellation state in case it's been updated
ctx->api.pfnSwrSetTsState(ctx->swrContext, &ctx->tsState);
} else {
ctx->api.pfnSwrSetHsFunc(ctx->swrContext, NULL);
}
}
/* VertexShader */
if (ctx->dirty
& (SWR_NEW_VS | SWR_NEW_RASTERIZER | // for clip planes
SWR_NEW_SAMPLER | SWR_NEW_SAMPLER_VIEW | SWR_NEW_FRAMEBUFFER)) {
swr_jit_vs_key key;
swr_generate_vs_key(key, ctx, ctx->vs);
auto search = ctx->vs->map.find(key);
PFN_VERTEX_FUNC func;
if (search != ctx->vs->map.end()) {
func = search->second->shader;
} else {
func = swr_compile_vs(ctx, key);
}
ctx->api.pfnSwrSetVertexFunc(ctx->swrContext, func);
/* JIT sampler state */
if (ctx->dirty & SWR_NEW_SAMPLER) {
swr_update_sampler_state(
ctx, PIPE_SHADER_VERTEX, key.nr_samplers, ctx->swrDC.samplersVS);
}
/* JIT sampler view state */
if (ctx->dirty & (SWR_NEW_SAMPLER_VIEW | SWR_NEW_FRAMEBUFFER)) {
swr_update_texture_state(ctx,
PIPE_SHADER_VERTEX,
key.nr_sampler_views,
ctx->swrDC.texturesVS);
}
}
/* work around the fact that poly stipple also affects lines */
/* and points, since we rasterize them as triangles, too */
/* Has to be before fragment shader, since it sets SWR_NEW_FS */
if (p_draw_info) {
bool new_prim_is_poly =
(u_reduced_prim(p_draw_info->mode) == PIPE_PRIM_TRIANGLES) &&
(ctx->derived.rastState.fillMode == SWR_FILLMODE_SOLID);
if (new_prim_is_poly != ctx->poly_stipple.prim_is_poly) {
ctx->dirty |= SWR_NEW_FS;
ctx->poly_stipple.prim_is_poly = new_prim_is_poly;
}
}
/* FragmentShader */
if (ctx->dirty & (SWR_NEW_FS |
SWR_NEW_VS |
SWR_NEW_GS |
SWR_NEW_TES |
SWR_NEW_TCS |
SWR_NEW_RASTERIZER |
SWR_NEW_SAMPLER |
SWR_NEW_SAMPLER_VIEW |
SWR_NEW_FRAMEBUFFER)) {
swr_jit_fs_key key;
swr_generate_fs_key(key, ctx, ctx->fs);
auto search = ctx->fs->map.find(key);
PFN_PIXEL_KERNEL func;
if (search != ctx->fs->map.end()) {
func = search->second->shader;
} else {
func = swr_compile_fs(ctx, key);
}
SWR_PS_STATE psState = {0};
psState.pfnPixelShader = func;
psState.killsPixel = ctx->fs->info.base.uses_kill;
psState.inputCoverage = SWR_INPUT_COVERAGE_NORMAL;
psState.writesODepth = ctx->fs->info.base.writes_z;
psState.usesSourceDepth = ctx->fs->info.base.reads_z;
psState.shadingRate = SWR_SHADING_RATE_PIXEL;
psState.renderTargetMask = (1 << ctx->framebuffer.nr_cbufs) - 1;
psState.posOffset = SWR_PS_POSITION_SAMPLE_NONE;
uint32_t barycentricsMask = 0;
#if 0
// when we switch to mesa-master
if (ctx->fs->info.base.uses_persp_center ||
ctx->fs->info.base.uses_linear_center)
barycentricsMask |= SWR_BARYCENTRIC_PER_PIXEL_MASK;
if (ctx->fs->info.base.uses_persp_centroid ||
ctx->fs->info.base.uses_linear_centroid)
barycentricsMask |= SWR_BARYCENTRIC_CENTROID_MASK;
if (ctx->fs->info.base.uses_persp_sample ||
ctx->fs->info.base.uses_linear_sample)
barycentricsMask |= SWR_BARYCENTRIC_PER_SAMPLE_MASK;
#else
for (unsigned i = 0; i < ctx->fs->info.base.num_inputs; i++) {
switch (ctx->fs->info.base.input_interpolate_loc[i]) {
case TGSI_INTERPOLATE_LOC_CENTER:
barycentricsMask |= SWR_BARYCENTRIC_PER_PIXEL_MASK;
break;
case TGSI_INTERPOLATE_LOC_CENTROID:
barycentricsMask |= SWR_BARYCENTRIC_CENTROID_MASK;
break;
case TGSI_INTERPOLATE_LOC_SAMPLE:
barycentricsMask |= SWR_BARYCENTRIC_PER_SAMPLE_MASK;
break;
}
}
#endif
psState.barycentricsMask = barycentricsMask;
psState.usesUAV = false; // XXX
psState.forceEarlyZ = false;
ctx->api.pfnSwrSetPixelShaderState(ctx->swrContext, &psState);
/* JIT sampler state */
if (ctx->dirty & (SWR_NEW_SAMPLER |
SWR_NEW_FS)) {
swr_update_sampler_state(ctx,
PIPE_SHADER_FRAGMENT,
key.nr_samplers,
ctx->swrDC.samplersFS);
}
/* JIT sampler view state */
if (ctx->dirty & (SWR_NEW_SAMPLER_VIEW |
SWR_NEW_FRAMEBUFFER |
SWR_NEW_FS)) {
swr_update_texture_state(ctx,
PIPE_SHADER_FRAGMENT,
key.nr_sampler_views,
ctx->swrDC.texturesFS);
}
}
/* VertexShader Constants */
if (ctx->dirty & SWR_NEW_VSCONSTANTS) {
swr_update_constants(ctx, PIPE_SHADER_VERTEX);
}
/* FragmentShader Constants */
if (ctx->dirty & SWR_NEW_FSCONSTANTS) {
swr_update_constants(ctx, PIPE_SHADER_FRAGMENT);
}
/* GeometryShader Constants */
if (ctx->dirty & SWR_NEW_GSCONSTANTS) {
swr_update_constants(ctx, PIPE_SHADER_GEOMETRY);
}
/* Tessellation Control Shader Constants */
if (ctx->dirty & SWR_NEW_TCSCONSTANTS) {
swr_update_constants(ctx, PIPE_SHADER_TESS_CTRL);
}
/* Tessellation Evaluation Shader Constants */
if (ctx->dirty & SWR_NEW_TESCONSTANTS) {
swr_update_constants(ctx, PIPE_SHADER_TESS_EVAL);
}
/* Depth/stencil state */
if (ctx->dirty & (SWR_NEW_DEPTH_STENCIL_ALPHA | SWR_NEW_FRAMEBUFFER)) {
struct pipe_depth_state *depth = &(ctx->depth_stencil->depth);
struct pipe_stencil_state *stencil = ctx->depth_stencil->stencil;
SWR_DEPTH_STENCIL_STATE depthStencilState = {{0}};
SWR_DEPTH_BOUNDS_STATE depthBoundsState = {0};
/* XXX, incomplete. Need to flesh out stencil & alpha test state
struct pipe_stencil_state *front_stencil =
ctx->depth_stencil.stencil[0];
struct pipe_stencil_state *back_stencil = ctx->depth_stencil.stencil[1];
struct pipe_alpha_state alpha;
*/
if (stencil[0].enabled) {
depthStencilState.stencilWriteEnable = 1;
depthStencilState.stencilTestEnable = 1;
depthStencilState.stencilTestFunc =
swr_convert_depth_func(stencil[0].func);
depthStencilState.stencilPassDepthPassOp =
swr_convert_stencil_op(stencil[0].zpass_op);
depthStencilState.stencilPassDepthFailOp =
swr_convert_stencil_op(stencil[0].zfail_op);
depthStencilState.stencilFailOp =
swr_convert_stencil_op(stencil[0].fail_op);
depthStencilState.stencilWriteMask = stencil[0].writemask;
depthStencilState.stencilTestMask = stencil[0].valuemask;
depthStencilState.stencilRefValue = ctx->stencil_ref.ref_value[0];
}
if (stencil[1].enabled) {
depthStencilState.doubleSidedStencilTestEnable = 1;
depthStencilState.backfaceStencilTestFunc =
swr_convert_depth_func(stencil[1].func);
depthStencilState.backfaceStencilPassDepthPassOp =
swr_convert_stencil_op(stencil[1].zpass_op);
depthStencilState.backfaceStencilPassDepthFailOp =
swr_convert_stencil_op(stencil[1].zfail_op);
depthStencilState.backfaceStencilFailOp =
swr_convert_stencil_op(stencil[1].fail_op);
depthStencilState.backfaceStencilWriteMask = stencil[1].writemask;
depthStencilState.backfaceStencilTestMask = stencil[1].valuemask;
depthStencilState.backfaceStencilRefValue =
ctx->stencil_ref.ref_value[1];
}
depthStencilState.depthTestEnable = depth->enabled;
depthStencilState.depthTestFunc = swr_convert_depth_func(depth->func);
depthStencilState.depthWriteEnable = depth->writemask;
ctx->api.pfnSwrSetDepthStencilState(ctx->swrContext, &depthStencilState);
depthBoundsState.depthBoundsTestEnable = depth->bounds_test;
depthBoundsState.depthBoundsTestMinValue = depth->bounds_min;
depthBoundsState.depthBoundsTestMaxValue = depth->bounds_max;
ctx->api.pfnSwrSetDepthBoundsState(ctx->swrContext, &depthBoundsState);
}
/* Blend State */
if (ctx->dirty & (SWR_NEW_BLEND |
SWR_NEW_RASTERIZER |
SWR_NEW_FRAMEBUFFER |
SWR_NEW_DEPTH_STENCIL_ALPHA)) {
struct pipe_framebuffer_state *fb = &ctx->framebuffer;
SWR_BLEND_STATE blendState;
memcpy(&blendState, &ctx->blend->blendState, sizeof(blendState));
blendState.constantColor[0] = ctx->blend_color.color[0];
blendState.constantColor[1] = ctx->blend_color.color[1];
blendState.constantColor[2] = ctx->blend_color.color[2];
blendState.constantColor[3] = ctx->blend_color.color[3];
blendState.alphaTestReference =
*((uint32_t*)&ctx->depth_stencil->alpha.ref_value);
blendState.sampleMask = ctx->sample_mask;
blendState.sampleCount = GetSampleCount(fb->samples);
/* If there are no color buffers bound, disable writes on RT0
* and skip loop */
if (fb->nr_cbufs == 0) {
blendState.renderTarget[0].writeDisableRed = 1;
blendState.renderTarget[0].writeDisableGreen = 1;
blendState.renderTarget[0].writeDisableBlue = 1;
blendState.renderTarget[0].writeDisableAlpha = 1;
ctx->api.pfnSwrSetBlendFunc(ctx->swrContext, 0, NULL);
}
else
for (int target = 0;
target < std::min(SWR_NUM_RENDERTARGETS,
PIPE_MAX_COLOR_BUFS);
target++) {
if (!fb->cbufs[target])
continue;
struct swr_resource *colorBuffer =
swr_resource(fb->cbufs[target]->texture);
BLEND_COMPILE_STATE compileState;
memset(&compileState, 0, sizeof(compileState));
compileState.format = colorBuffer->swr.format;
memcpy(&compileState.blendState,
&ctx->blend->compileState[target],
sizeof(compileState.blendState));
const SWR_FORMAT_INFO& info = GetFormatInfo(compileState.format);
if (compileState.blendState.logicOpEnable &&
((info.type[0] == SWR_TYPE_FLOAT) || info.isSRGB)) {
compileState.blendState.logicOpEnable = false;
}
if (info.type[0] == SWR_TYPE_SINT || info.type[0] == SWR_TYPE_UINT)
compileState.blendState.blendEnable = false;
if (compileState.blendState.blendEnable == false &&
compileState.blendState.logicOpEnable == false &&
ctx->depth_stencil->alpha.enabled == 0) {
ctx->api.pfnSwrSetBlendFunc(ctx->swrContext, target, NULL);
continue;
}
compileState.desc.alphaTestEnable =
ctx->depth_stencil->alpha.enabled;
compileState.desc.independentAlphaBlendEnable =
(compileState.blendState.sourceBlendFactor !=
compileState.blendState.sourceAlphaBlendFactor) ||
(compileState.blendState.destBlendFactor !=
compileState.blendState.destAlphaBlendFactor) ||
(compileState.blendState.colorBlendFunc !=
compileState.blendState.alphaBlendFunc);
compileState.desc.alphaToCoverageEnable =
ctx->blend->pipe.alpha_to_coverage;
compileState.desc.sampleMaskEnable = (blendState.sampleMask != 0);
compileState.desc.numSamples = fb->samples;
compileState.alphaTestFunction =
swr_convert_depth_func(ctx->depth_stencil->alpha.func);
compileState.alphaTestFormat = ALPHA_TEST_FLOAT32; // xxx
compileState.Canonicalize();
PFN_BLEND_JIT_FUNC func = NULL;
auto search = ctx->blendJIT->find(compileState);
if (search != ctx->blendJIT->end()) {
func = search->second;
} else {
HANDLE hJitMgr = screen->hJitMgr;
func = JitCompileBlend(hJitMgr, compileState);
debug_printf("BLEND shader %p\n", func);
assert(func && "Error: BlendShader = NULL");
ctx->blendJIT->insert(std::make_pair(compileState, func));
}
ctx->api.pfnSwrSetBlendFunc(ctx->swrContext, target, func);
}
ctx->api.pfnSwrSetBlendState(ctx->swrContext, &blendState);
}
if (ctx->dirty & SWR_NEW_STIPPLE) {
swr_update_poly_stipple(ctx);
}
if (ctx->dirty & (SWR_NEW_VS | SWR_NEW_TCS | SWR_NEW_TES | SWR_NEW_SO | SWR_NEW_RASTERIZER)) {
ctx->vs->soState.rasterizerDisable =
ctx->rasterizer->rasterizer_discard;
ctx->api.pfnSwrSetSoState(ctx->swrContext, &ctx->vs->soState);
pipe_stream_output_info *stream_output = &ctx->vs->pipe.stream_output;
for (uint32_t i = 0; i < MAX_SO_STREAMS; i++) {
SWR_STREAMOUT_BUFFER buffer = {0};
if (ctx->so_targets[i]) {
buffer.enable = true;
buffer.pBuffer =
(gfxptr_t)(swr_resource_data(ctx->so_targets[i]->buffer) +
ctx->so_targets[i]->buffer_offset);
buffer.bufferSize = ctx->so_targets[i]->buffer_size >> 2;
buffer.pitch = stream_output->stride[i];
buffer.streamOffset = 0;
}
ctx->api.pfnSwrSetSoBuffers(ctx->swrContext, &buffer, i);
}
}
if (ctx->dirty & (SWR_NEW_CLIP | SWR_NEW_RASTERIZER | SWR_NEW_VS)) {
// shader exporting clip distances overrides all user clip planes
if (ctx->rasterizer->clip_plane_enable &&
!swr_get_last_fe(ctx)->num_written_clipdistance)
{
swr_draw_context *pDC = &ctx->swrDC;
memcpy(pDC->userClipPlanes,
ctx->clip.ucp,
sizeof(pDC->userClipPlanes));
}
}
// set up backend state
SWR_BACKEND_STATE backendState = {0};
if (ctx->gs) {
backendState.numAttributes = ctx->gs->info.base.num_outputs - 1;
} else
if (ctx->tes) {
backendState.numAttributes = ctx->tes->info.base.num_outputs - 1;
// no case for TCS, because if TCS is active, TES must be active
// as well - pipeline stages after tessellation does not support patches
} else {
backendState.numAttributes = ctx->vs->info.base.num_outputs - 1;
if (ctx->fs->info.base.uses_primid) {
backendState.numAttributes++;
backendState.swizzleEnable = true;
for (unsigned i = 0; i < sizeof(backendState.numComponents); i++) {
backendState.swizzleMap[i].sourceAttrib = i;
}
backendState.swizzleMap[ctx->vs->info.base.num_outputs - 1].constantSource =
SWR_CONSTANT_SOURCE_PRIM_ID;
backendState.swizzleMap[ctx->vs->info.base.num_outputs - 1].componentOverrideMask = 1;
}
}
if (ctx->rasterizer->sprite_coord_enable)
backendState.numAttributes++;
backendState.numAttributes = std::min((size_t)backendState.numAttributes,
sizeof(backendState.numComponents));
for (unsigned i = 0; i < backendState.numAttributes; i++)
backendState.numComponents[i] = 4;
backendState.constantInterpolationMask = ctx->fs->constantMask |
(ctx->rasterizer->flatshade ? ctx->fs->flatConstantMask : 0);
backendState.pointSpriteTexCoordMask = ctx->fs->pointSpriteMask;
struct tgsi_shader_info *pLastFE = swr_get_last_fe(ctx);
backendState.readRenderTargetArrayIndex = pLastFE->writes_layer;
backendState.readViewportArrayIndex = pLastFE->writes_viewport_index;
backendState.vertexAttribOffset = VERTEX_ATTRIB_START_SLOT; // TODO: optimize
backendState.clipDistanceMask =
pLastFE->num_written_clipdistance ?
pLastFE->clipdist_writemask & ctx->rasterizer->clip_plane_enable :
ctx->rasterizer->clip_plane_enable;
backendState.cullDistanceMask =
pLastFE->culldist_writemask << pLastFE->num_written_clipdistance;
// Assume old layout of SGV, POSITION, CLIPCULL, ATTRIB
backendState.vertexClipCullOffset = backendState.vertexAttribOffset - 2;
ctx->api.pfnSwrSetBackendState(ctx->swrContext, &backendState);
/* Ensure that any in-progress attachment change StoreTiles finish */
if (swr_is_fence_pending(screen->flush_fence))
swr_fence_finish(pipe->screen, NULL, screen->flush_fence, 0);
/* Finally, update the in-use status of all resources involved in draw */
swr_update_resource_status(pipe, p_draw_info);
ctx->dirty = post_update_dirty_flags;
}
static struct pipe_stream_output_target *
swr_create_so_target(struct pipe_context *pipe,
struct pipe_resource *buffer,
unsigned buffer_offset,
unsigned buffer_size)
{
struct pipe_stream_output_target *target;
target = CALLOC_STRUCT(pipe_stream_output_target);
if (!target)
return NULL;
target->context = pipe;
target->reference.count = 1;
pipe_resource_reference(&target->buffer, buffer);
target->buffer_offset = buffer_offset;
target->buffer_size = buffer_size;
return target;
}
static void
swr_destroy_so_target(struct pipe_context *pipe,
struct pipe_stream_output_target *target)
{
pipe_resource_reference(&target->buffer, NULL);
FREE(target);
}
static void
swr_set_so_targets(struct pipe_context *pipe,
unsigned num_targets,
struct pipe_stream_output_target **targets,
const unsigned *offsets)
{
struct swr_context *swr = swr_context(pipe);
uint32_t i;
assert(num_targets <= MAX_SO_STREAMS);
for (i = 0; i < num_targets; i++) {
pipe_so_target_reference(
(struct pipe_stream_output_target **)&swr->so_targets[i],
targets[i]);
}
for (/* fall-through */; i < swr->num_so_targets; i++) {
pipe_so_target_reference(
(struct pipe_stream_output_target **)&swr->so_targets[i], NULL);
}
swr->num_so_targets = num_targets;
swr->swrDC.soPrims = &swr->so_primCounter;
swr->dirty |= SWR_NEW_SO;
}
void
swr_state_init(struct pipe_context *pipe)
{
pipe->create_blend_state = swr_create_blend_state;
pipe->bind_blend_state = swr_bind_blend_state;
pipe->delete_blend_state = swr_delete_blend_state;
pipe->create_depth_stencil_alpha_state = swr_create_depth_stencil_state;
pipe->bind_depth_stencil_alpha_state = swr_bind_depth_stencil_state;
pipe->delete_depth_stencil_alpha_state = swr_delete_depth_stencil_state;
pipe->create_rasterizer_state = swr_create_rasterizer_state;
pipe->bind_rasterizer_state = swr_bind_rasterizer_state;
pipe->delete_rasterizer_state = swr_delete_rasterizer_state;
pipe->create_sampler_state = swr_create_sampler_state;
pipe->bind_sampler_states = swr_bind_sampler_states;
pipe->delete_sampler_state = swr_delete_sampler_state;
pipe->create_sampler_view = swr_create_sampler_view;
pipe->set_sampler_views = swr_set_sampler_views;
pipe->sampler_view_destroy = swr_sampler_view_destroy;
pipe->create_vs_state = swr_create_vs_state;
pipe->bind_vs_state = swr_bind_vs_state;
pipe->delete_vs_state = swr_delete_vs_state;
pipe->create_fs_state = swr_create_fs_state;
pipe->bind_fs_state = swr_bind_fs_state;
pipe->delete_fs_state = swr_delete_fs_state;
pipe->create_gs_state = swr_create_gs_state;
pipe->bind_gs_state = swr_bind_gs_state;
pipe->delete_gs_state = swr_delete_gs_state;
pipe->create_tcs_state = swr_create_tcs_state;
pipe->bind_tcs_state = swr_bind_tcs_state;
pipe->delete_tcs_state = swr_delete_tcs_state;
pipe->create_tes_state = swr_create_tes_state;
pipe->bind_tes_state = swr_bind_tes_state;
pipe->delete_tes_state = swr_delete_tes_state;
pipe->set_constant_buffer = swr_set_constant_buffer;
pipe->create_vertex_elements_state = swr_create_vertex_elements_state;
pipe->bind_vertex_elements_state = swr_bind_vertex_elements_state;
pipe->delete_vertex_elements_state = swr_delete_vertex_elements_state;
pipe->set_vertex_buffers = swr_set_vertex_buffers;
pipe->set_polygon_stipple = swr_set_polygon_stipple;
pipe->set_clip_state = swr_set_clip_state;
pipe->set_scissor_states = swr_set_scissor_states;
pipe->set_viewport_states = swr_set_viewport_states;
pipe->set_framebuffer_state = swr_set_framebuffer_state;
pipe->set_blend_color = swr_set_blend_color;
pipe->set_stencil_ref = swr_set_stencil_ref;
pipe->set_sample_mask = swr_set_sample_mask;
pipe->get_sample_position = swr_get_sample_position;
pipe->create_stream_output_target = swr_create_so_target;
pipe->stream_output_target_destroy = swr_destroy_so_target;
pipe->set_stream_output_targets = swr_set_so_targets;
}