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mesa/src/gallium/auxiliary/util/u_blitter.c

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/**************************************************************************
*
* Copyright 2009 Marek Olšák <maraeo@gmail.com>
*
* 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 VMWARE 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.
*
**************************************************************************/
/**
* @file
* Blitter utility to facilitate acceleration of the clear, clear_render_target,
* clear_depth_stencil, resource_copy_region, and blit functions.
*
* @author Marek Olšák
*/
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "util/u_inlines.h"
#include "pipe/p_shader_tokens.h"
#include "pipe/p_state.h"
#include "util/format/u_format.h"
#include "util/u_memory.h"
#include "util/u_math.h"
#include "util/u_blitter.h"
#include "util/u_draw_quad.h"
#include "util/u_sampler.h"
#include "util/u_simple_shaders.h"
#include "util/u_surface.h"
#include "util/u_texture.h"
#include "util/u_upload_mgr.h"
#define INVALID_PTR ((void*)~0)
#define GET_CLEAR_BLEND_STATE_IDX(clear_buffers) \
((clear_buffers) / PIPE_CLEAR_COLOR0)
#define NUM_RESOLVE_FRAG_SHADERS 5 /* MSAA 2x, 4x, 8x, 16x, 32x */
#define GET_MSAA_RESOLVE_FS_IDX(nr_samples) (util_logbase2(nr_samples)-1)
struct blitter_context_priv
{
struct blitter_context base;
float vertices[4][2][4]; /**< {pos, color} or {pos, texcoord} */
/* Templates for various state objects. */
/* Constant state objects. */
/* Vertex shaders. */
void *vs; /**< Vertex shader which passes {pos, generic} to the output.*/
void *vs_nogeneric;
void *vs_pos_only[4]; /**< Vertex shader which passes pos to the output
for clear_buffer/copy_buffer.*/
void *vs_layered; /**< Vertex shader which sets LAYER = INSTANCEID. */
/* Fragment shaders. */
void *fs_empty;
void *fs_write_one_cbuf;
void *fs_write_all_cbufs;
/* FS which outputs a color from a texture where
* the 1st index indicates the texture type / destination type,
* the 2nd index is the PIPE_TEXTURE_* to be sampled,
* the 3rd index is 0 = use TEX, 1 = use TXF.
*/
void *fs_texfetch_col[5][PIPE_MAX_TEXTURE_TYPES][2];
/* FS which outputs a depth from a texture, where
* the 1st index is the PIPE_TEXTURE_* to be sampled,
* the 2nd index is 0 = use TEX, 1 = use TXF.
*/
void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES][2];
void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES][2];
void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES][2];
/* FS which outputs one sample from a multisample texture. */
void *fs_texfetch_col_msaa[5][PIPE_MAX_TEXTURE_TYPES];
void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES][2];
void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES][2];
void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES][2];
/* FS which outputs an average of all samples. */
void *fs_resolve[PIPE_MAX_TEXTURE_TYPES][NUM_RESOLVE_FRAG_SHADERS][2];
/* FS which unpacks color to ZS or packs ZS to color, matching
* the ZS format. See util_blitter_get_color_format_for_zs().
*/
void *fs_pack_color_zs[TGSI_TEXTURE_COUNT][10];
/* FS which is meant for replicating indevidual stencil-buffer bits */
void *fs_stencil_blit_fallback[2];
/* Blend state. */
void *blend[PIPE_MASK_RGBA+1][2]; /**< blend state with writemask */
void *blend_clear[GET_CLEAR_BLEND_STATE_IDX(PIPE_CLEAR_COLOR)+1];
/* Depth stencil alpha state. */
void *dsa_write_depth_stencil;
void *dsa_write_depth_keep_stencil;
void *dsa_keep_depth_stencil;
void *dsa_keep_depth_write_stencil;
void *dsa_replicate_stencil_bit[8];
/* Vertex elements states. */
void *velem_state;
void *velem_state_readbuf[4]; /**< X, XY, XYZ, XYZW */
/* Sampler state. */
void *sampler_state;
void *sampler_state_linear;
void *sampler_state_rect;
void *sampler_state_rect_linear;
/* Rasterizer state. */
void *rs_state[2][2]; /**< [scissor][msaa] */
void *rs_discard_state;
/* Destination surface dimensions. */
unsigned dst_width;
unsigned dst_height;
void *custom_vs;
bool has_geometry_shader;
bool has_tessellation;
bool has_layered;
bool has_stream_out;
bool has_stencil_export;
bool has_texture_multisample;
bool has_tex_lz;
bool has_txf;
bool has_sample_shading;
bool cube_as_2darray;
bool cached_all_shaders;
/* The Draw module overrides these functions.
* Always create the blitter before Draw. */
void (*bind_fs_state)(struct pipe_context *, void *);
void (*delete_fs_state)(struct pipe_context *, void *);
};
struct blitter_context *util_blitter_create(struct pipe_context *pipe)
{
struct blitter_context_priv *ctx;
struct pipe_blend_state blend;
struct pipe_depth_stencil_alpha_state dsa;
struct pipe_rasterizer_state rs_state;
struct pipe_sampler_state sampler_state;
struct pipe_vertex_element velem[2];
unsigned i, j;
ctx = CALLOC_STRUCT(blitter_context_priv);
if (!ctx)
return NULL;
ctx->base.pipe = pipe;
ctx->base.draw_rectangle = util_blitter_draw_rectangle;
ctx->bind_fs_state = pipe->bind_fs_state;
ctx->delete_fs_state = pipe->delete_fs_state;
/* init state objects for them to be considered invalid */
ctx->base.saved_blend_state = INVALID_PTR;
ctx->base.saved_dsa_state = INVALID_PTR;
ctx->base.saved_rs_state = INVALID_PTR;
ctx->base.saved_fs = INVALID_PTR;
ctx->base.saved_vs = INVALID_PTR;
ctx->base.saved_gs = INVALID_PTR;
ctx->base.saved_velem_state = INVALID_PTR;
ctx->base.saved_fb_state.nr_cbufs = ~0;
ctx->base.saved_num_sampler_views = ~0;
ctx->base.saved_num_sampler_states = ~0;
ctx->base.saved_num_so_targets = ~0;
ctx->has_geometry_shader =
pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY,
PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0;
ctx->has_tessellation =
pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_TESS_CTRL,
PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0;
ctx->has_stream_out =
pipe->screen->get_param(pipe->screen,
PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0;
ctx->has_stencil_export =
pipe->screen->get_param(pipe->screen,
PIPE_CAP_SHADER_STENCIL_EXPORT);
ctx->has_texture_multisample =
pipe->screen->get_param(pipe->screen, PIPE_CAP_TEXTURE_MULTISAMPLE);
ctx->has_tex_lz = pipe->screen->get_param(pipe->screen,
PIPE_CAP_TGSI_TEX_TXF_LZ);
ctx->has_txf = pipe->screen->get_param(pipe->screen,
PIPE_CAP_GLSL_FEATURE_LEVEL) > 130;
ctx->has_sample_shading = pipe->screen->get_param(pipe->screen,
PIPE_CAP_SAMPLE_SHADING);
ctx->cube_as_2darray = pipe->screen->get_param(pipe->screen,
PIPE_CAP_SAMPLER_VIEW_TARGET);
/* blend state objects */
memset(&blend, 0, sizeof(blend));
for (i = 0; i <= PIPE_MASK_RGBA; i++) {
for (j = 0; j < 2; j++) {
memset(&blend.rt[0], 0, sizeof(blend.rt[0]));
blend.rt[0].colormask = i;
if (j) {
blend.rt[0].blend_enable = 1;
blend.rt[0].rgb_func = PIPE_BLEND_ADD;
blend.rt[0].rgb_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
blend.rt[0].rgb_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
blend.rt[0].alpha_func = PIPE_BLEND_ADD;
blend.rt[0].alpha_src_factor = PIPE_BLENDFACTOR_SRC_ALPHA;
blend.rt[0].alpha_dst_factor = PIPE_BLENDFACTOR_INV_SRC_ALPHA;
}
ctx->blend[i][j] = pipe->create_blend_state(pipe, &blend);
}
}
/* depth stencil alpha state objects */
memset(&dsa, 0, sizeof(dsa));
ctx->dsa_keep_depth_stencil =
pipe->create_depth_stencil_alpha_state(pipe, &dsa);
dsa.depth_enabled = 1;
dsa.depth_writemask = 1;
dsa.depth_func = PIPE_FUNC_ALWAYS;
ctx->dsa_write_depth_keep_stencil =
pipe->create_depth_stencil_alpha_state(pipe, &dsa);
dsa.stencil[0].enabled = 1;
dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
dsa.stencil[0].valuemask = 0xff;
dsa.stencil[0].writemask = 0xff;
ctx->dsa_write_depth_stencil =
pipe->create_depth_stencil_alpha_state(pipe, &dsa);
dsa.depth_enabled = 0;
dsa.depth_writemask = 0;
ctx->dsa_keep_depth_write_stencil =
pipe->create_depth_stencil_alpha_state(pipe, &dsa);
/* sampler state */
memset(&sampler_state, 0, sizeof(sampler_state));
sampler_state.wrap_s = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler_state.wrap_t = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler_state.wrap_r = PIPE_TEX_WRAP_CLAMP_TO_EDGE;
sampler_state.normalized_coords = 1;
ctx->sampler_state = pipe->create_sampler_state(pipe, &sampler_state);
sampler_state.normalized_coords = 0;
ctx->sampler_state_rect = pipe->create_sampler_state(pipe, &sampler_state);
sampler_state.min_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler_state.mag_img_filter = PIPE_TEX_FILTER_LINEAR;
sampler_state.normalized_coords = 1;
ctx->sampler_state_linear = pipe->create_sampler_state(pipe, &sampler_state);
sampler_state.normalized_coords = 0;
ctx->sampler_state_rect_linear = pipe->create_sampler_state(pipe, &sampler_state);
/* rasterizer state */
memset(&rs_state, 0, sizeof(rs_state));
rs_state.cull_face = PIPE_FACE_NONE;
rs_state.half_pixel_center = 1;
rs_state.bottom_edge_rule = 1;
rs_state.flatshade = 1;
rs_state.depth_clip_near = 1;
rs_state.depth_clip_far = 1;
unsigned scissor, msaa;
for (scissor = 0; scissor < 2; scissor++) {
for (msaa = 0; msaa < 2; msaa++) {
rs_state.scissor = scissor;
rs_state.multisample = msaa;
ctx->rs_state[scissor][msaa] =
pipe->create_rasterizer_state(pipe, &rs_state);
}
}
if (ctx->has_stream_out) {
rs_state.scissor = rs_state.multisample = 0;
rs_state.rasterizer_discard = 1;
ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state);
}
ctx->base.cb_slot = 0; /* 0 for now */
ctx->base.vb_slot = 0; /* 0 for now */
/* vertex elements states */
memset(&velem[0], 0, sizeof(velem[0]) * 2);
for (i = 0; i < 2; i++) {
velem[i].src_offset = i * 4 * sizeof(float);
velem[i].src_format = PIPE_FORMAT_R32G32B32A32_FLOAT;
velem[i].vertex_buffer_index = ctx->base.vb_slot;
}
ctx->velem_state = pipe->create_vertex_elements_state(pipe, 2, &velem[0]);
if (ctx->has_stream_out) {
static enum pipe_format formats[4] = {
PIPE_FORMAT_R32_UINT,
PIPE_FORMAT_R32G32_UINT,
PIPE_FORMAT_R32G32B32_UINT,
PIPE_FORMAT_R32G32B32A32_UINT
};
for (i = 0; i < 4; i++) {
velem[0].src_format = formats[i];
velem[0].vertex_buffer_index = ctx->base.vb_slot;
ctx->velem_state_readbuf[i] =
pipe->create_vertex_elements_state(pipe, 1, &velem[0]);
}
}
ctx->has_layered =
pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_INSTANCEID) &&
pipe->screen->get_param(pipe->screen, PIPE_CAP_TGSI_VS_LAYER_VIEWPORT);
/* set invariant vertex coordinates */
for (i = 0; i < 4; i++) {
ctx->vertices[i][0][2] = 0; /*v.z*/
ctx->vertices[i][0][3] = 1; /*v.w*/
}
return &ctx->base;
}
void *util_blitter_get_noop_blend_state(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
return ctx->blend[0][0];
}
void *util_blitter_get_noop_dsa_state(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
return ctx->dsa_keep_depth_stencil;
}
void *util_blitter_get_discard_rasterizer_state(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
return ctx->rs_discard_state;
}
static void bind_vs_pos_only(struct blitter_context_priv *ctx,
unsigned num_so_channels)
{
struct pipe_context *pipe = ctx->base.pipe;
int index = num_so_channels ? num_so_channels - 1 : 0;
if (!ctx->vs_pos_only[index]) {
struct pipe_stream_output_info so;
static const enum tgsi_semantic semantic_names[] =
{ TGSI_SEMANTIC_POSITION };
const uint semantic_indices[] = { 0 };
memset(&so, 0, sizeof(so));
so.num_outputs = 1;
so.output[0].num_components = num_so_channels;
so.stride[0] = num_so_channels;
ctx->vs_pos_only[index] =
util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names,
semantic_indices, false,
false, &so);
}
pipe->bind_vs_state(pipe, ctx->vs_pos_only[index]);
}
static void *get_vs_passthrough_pos_generic(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
if (!ctx->vs) {
static const enum tgsi_semantic semantic_names[] =
{ TGSI_SEMANTIC_POSITION, TGSI_SEMANTIC_GENERIC };
const uint semantic_indices[] = { 0, 0 };
ctx->vs =
util_make_vertex_passthrough_shader(pipe, 2, semantic_names,
semantic_indices, false);
}
return ctx->vs;
}
static void *get_vs_passthrough_pos(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
if (!ctx->vs_nogeneric) {
static const enum tgsi_semantic semantic_names[] =
{ TGSI_SEMANTIC_POSITION };
const uint semantic_indices[] = { 0 };
ctx->vs_nogeneric =
util_make_vertex_passthrough_shader(pipe, 1,
semantic_names,
semantic_indices, false);
}
return ctx->vs_nogeneric;
}
static void *get_vs_layered(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
if (!ctx->vs_layered) {
ctx->vs_layered = util_make_layered_clear_vertex_shader(pipe);
}
return ctx->vs_layered;
}
static void bind_fs_empty(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
if (!ctx->fs_empty) {
assert(!ctx->cached_all_shaders);
ctx->fs_empty = util_make_empty_fragment_shader(pipe);
}
ctx->bind_fs_state(pipe, ctx->fs_empty);
}
static void bind_fs_write_one_cbuf(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
if (!ctx->fs_write_one_cbuf) {
assert(!ctx->cached_all_shaders);
ctx->fs_write_one_cbuf =
util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
TGSI_INTERPOLATE_CONSTANT, false);
}
ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf);
}
static void bind_fs_write_all_cbufs(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
if (!ctx->fs_write_all_cbufs) {
assert(!ctx->cached_all_shaders);
ctx->fs_write_all_cbufs =
util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
TGSI_INTERPOLATE_CONSTANT, true);
}
ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs);
}
void util_blitter_destroy(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = blitter->pipe;
unsigned i, j, f;
for (i = 0; i <= PIPE_MASK_RGBA; i++)
for (j = 0; j < 2; j++)
pipe->delete_blend_state(pipe, ctx->blend[i][j]);
for (i = 0; i < ARRAY_SIZE(ctx->blend_clear); i++) {
if (ctx->blend_clear[i])
pipe->delete_blend_state(pipe, ctx->blend_clear[i]);
}
pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
pipe->delete_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
for (i = 0; i < ARRAY_SIZE(ctx->dsa_replicate_stencil_bit); i++) {
if (ctx->dsa_replicate_stencil_bit[i])
pipe->delete_depth_stencil_alpha_state(pipe, ctx->dsa_replicate_stencil_bit[i]);
}
unsigned scissor, msaa;
for (scissor = 0; scissor < 2; scissor++) {
for (msaa = 0; msaa < 2; msaa++) {
pipe->delete_rasterizer_state(pipe, ctx->rs_state[scissor][msaa]);
}
}
if (ctx->rs_discard_state)
pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state);
if (ctx->vs)
pipe->delete_vs_state(pipe, ctx->vs);
if (ctx->vs_nogeneric)
pipe->delete_vs_state(pipe, ctx->vs_nogeneric);
for (i = 0; i < 4; i++)
if (ctx->vs_pos_only[i])
pipe->delete_vs_state(pipe, ctx->vs_pos_only[i]);
if (ctx->vs_layered)
pipe->delete_vs_state(pipe, ctx->vs_layered);
pipe->delete_vertex_elements_state(pipe, ctx->velem_state);
for (i = 0; i < 4; i++) {
if (ctx->velem_state_readbuf[i]) {
pipe->delete_vertex_elements_state(pipe, ctx->velem_state_readbuf[i]);
}
}
for (i = 0; i < PIPE_MAX_TEXTURE_TYPES; i++) {
for (unsigned type = 0; type < ARRAY_SIZE(ctx->fs_texfetch_col); ++type) {
for (unsigned inst = 0; inst < 2; inst++) {
if (ctx->fs_texfetch_col[type][i][inst])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[type][i][inst]);
}
if (ctx->fs_texfetch_col_msaa[type][i])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_col_msaa[type][i]);
}
for (unsigned inst = 0; inst < 2; inst++) {
if (ctx->fs_texfetch_depth[i][inst])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i][inst]);
if (ctx->fs_texfetch_depthstencil[i][inst])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i][inst]);
if (ctx->fs_texfetch_stencil[i][inst])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i][inst]);
}
for (unsigned ss = 0; ss < 2; ss++) {
if (ctx->fs_texfetch_depth_msaa[i][ss])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth_msaa[i][ss]);
if (ctx->fs_texfetch_depthstencil_msaa[i][ss])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil_msaa[i][ss]);
if (ctx->fs_texfetch_stencil_msaa[i][ss])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil_msaa[i][ss]);
}
for (j = 0; j< ARRAY_SIZE(ctx->fs_resolve[i]); j++)
for (f = 0; f < 2; f++)
if (ctx->fs_resolve[i][j][f])
ctx->delete_fs_state(pipe, ctx->fs_resolve[i][j][f]);
}
for (i = 0; i < ARRAY_SIZE(ctx->fs_pack_color_zs); i++) {
for (j = 0; j < ARRAY_SIZE(ctx->fs_pack_color_zs[0]); j++) {
if (ctx->fs_pack_color_zs[i][j])
ctx->delete_fs_state(pipe, ctx->fs_pack_color_zs[i][j]);
}
}
if (ctx->fs_empty)
ctx->delete_fs_state(pipe, ctx->fs_empty);
if (ctx->fs_write_one_cbuf)
ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf);
if (ctx->fs_write_all_cbufs)
ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs);
for (i = 0; i < ARRAY_SIZE(ctx->fs_stencil_blit_fallback); ++i)
if (ctx->fs_stencil_blit_fallback[i])
ctx->delete_fs_state(pipe, ctx->fs_stencil_blit_fallback[i]);
pipe->delete_sampler_state(pipe, ctx->sampler_state_rect_linear);
pipe->delete_sampler_state(pipe, ctx->sampler_state_rect);
pipe->delete_sampler_state(pipe, ctx->sampler_state_linear);
pipe->delete_sampler_state(pipe, ctx->sampler_state);
FREE(ctx);
}
void util_blitter_set_texture_multisample(struct blitter_context *blitter,
bool supported)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
ctx->has_texture_multisample = supported;
}
void util_blitter_set_running_flag(struct blitter_context *blitter)
{
if (blitter->running) {
_debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
__LINE__);
}
blitter->running = true;
blitter->pipe->set_active_query_state(blitter->pipe, false);
}
void util_blitter_unset_running_flag(struct blitter_context *blitter)
{
if (!blitter->running) {
_debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
__LINE__);
}
blitter->running = false;
blitter->pipe->set_active_query_state(blitter->pipe, true);
}
static void blitter_check_saved_vertex_states(ASSERTED struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_vs != INVALID_PTR);
assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR);
assert(!ctx->has_tessellation || ctx->base.saved_tcs != INVALID_PTR);
assert(!ctx->has_tessellation || ctx->base.saved_tes != INVALID_PTR);
assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0u);
assert(ctx->base.saved_rs_state != INVALID_PTR);
}
void util_blitter_restore_vertex_states(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
unsigned i;
/* Vertex buffer. */
if (ctx->base.saved_vertex_buffer.buffer.resource) {
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 0, true,
&ctx->base.saved_vertex_buffer);
ctx->base.saved_vertex_buffer.buffer.resource = NULL;
}
/* Vertex elements. */
if (ctx->base.saved_velem_state != INVALID_PTR) {
pipe->bind_vertex_elements_state(pipe, ctx->base.saved_velem_state);
ctx->base.saved_velem_state = INVALID_PTR;
}
/* Vertex shader. */
pipe->bind_vs_state(pipe, ctx->base.saved_vs);
ctx->base.saved_vs = INVALID_PTR;
/* Geometry shader. */
if (ctx->has_geometry_shader) {
pipe->bind_gs_state(pipe, ctx->base.saved_gs);
ctx->base.saved_gs = INVALID_PTR;
}
if (ctx->has_tessellation) {
pipe->bind_tcs_state(pipe, ctx->base.saved_tcs);
pipe->bind_tes_state(pipe, ctx->base.saved_tes);
ctx->base.saved_tcs = INVALID_PTR;
ctx->base.saved_tes = INVALID_PTR;
}
/* Stream outputs. */
if (ctx->has_stream_out) {
unsigned offsets[PIPE_MAX_SO_BUFFERS];
for (i = 0; i < ctx->base.saved_num_so_targets; i++)
offsets[i] = (unsigned)-1;
pipe->set_stream_output_targets(pipe,
ctx->base.saved_num_so_targets,
ctx->base.saved_so_targets, offsets);
for (i = 0; i < ctx->base.saved_num_so_targets; i++)
pipe_so_target_reference(&ctx->base.saved_so_targets[i], NULL);
ctx->base.saved_num_so_targets = ~0;
}
/* Rasterizer. */
pipe->bind_rasterizer_state(pipe, ctx->base.saved_rs_state);
ctx->base.saved_rs_state = INVALID_PTR;
}
static void blitter_check_saved_fragment_states(ASSERTED struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_fs != INVALID_PTR);
assert(ctx->base.saved_dsa_state != INVALID_PTR);
assert(ctx->base.saved_blend_state != INVALID_PTR);
}
void util_blitter_restore_fragment_states(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
/* Fragment shader. */
ctx->bind_fs_state(pipe, ctx->base.saved_fs);
ctx->base.saved_fs = INVALID_PTR;
/* Depth, stencil, alpha. */
pipe->bind_depth_stencil_alpha_state(pipe, ctx->base.saved_dsa_state);
ctx->base.saved_dsa_state = INVALID_PTR;
/* Blend state. */
pipe->bind_blend_state(pipe, ctx->base.saved_blend_state);
ctx->base.saved_blend_state = INVALID_PTR;
/* Sample mask. */
if (ctx->base.is_sample_mask_saved) {
pipe->set_sample_mask(pipe, ctx->base.saved_sample_mask);
ctx->base.is_sample_mask_saved = false;
}
if (ctx->base.saved_min_samples != ~0 && pipe->set_min_samples)
pipe->set_min_samples(pipe, ctx->base.saved_min_samples);
ctx->base.saved_min_samples = ~0;
/* Miscellaneous states. */
/* XXX check whether these are saved and whether they need to be restored
* (depending on the operation) */
pipe->set_stencil_ref(pipe, ctx->base.saved_stencil_ref);
if (!blitter->skip_viewport_restore)
pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport);
if (blitter->saved_num_window_rectangles) {
pipe->set_window_rectangles(pipe,
blitter->saved_window_rectangles_include,
blitter->saved_num_window_rectangles,
blitter->saved_window_rectangles);
}
}
static void blitter_check_saved_fb_state(ASSERTED struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_fb_state.nr_cbufs != (ubyte) ~0);
}
static void blitter_disable_render_cond(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
if (ctx->base.saved_render_cond_query) {
pipe->render_condition(pipe, NULL, false, 0);
}
}
void util_blitter_restore_render_cond(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
if (ctx->base.saved_render_cond_query) {
pipe->render_condition(pipe, ctx->base.saved_render_cond_query,
ctx->base.saved_render_cond_cond,
ctx->base.saved_render_cond_mode);
ctx->base.saved_render_cond_query = NULL;
}
}
void util_blitter_restore_fb_state(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
pipe->set_framebuffer_state(pipe, &ctx->base.saved_fb_state);
util_unreference_framebuffer_state(&ctx->base.saved_fb_state);
}
static void blitter_check_saved_textures(ASSERTED struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_num_sampler_states != ~0u);
assert(ctx->base.saved_num_sampler_views != ~0u);
}
void util_blitter_restore_textures(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
unsigned i;
/* Fragment sampler states. */
pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0,
ctx->base.saved_num_sampler_states,
ctx->base.saved_sampler_states);
ctx->base.saved_num_sampler_states = ~0;
/* Fragment sampler views. */
pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0,
ctx->base.saved_num_sampler_views, 0, true,
ctx->base.saved_sampler_views);
/* Just clear them to NULL because set_sampler_views(take_ownership = true). */
for (i = 0; i < ctx->base.saved_num_sampler_views; i++)
ctx->base.saved_sampler_views[i] = NULL;
ctx->base.saved_num_sampler_views = ~0;
}
void util_blitter_restore_constant_buffer_state(struct blitter_context *blitter)
{
struct pipe_context *pipe = blitter->pipe;
pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, blitter->cb_slot,
true, &blitter->saved_fs_constant_buffer);
blitter->saved_fs_constant_buffer.buffer = NULL;
}
static void blitter_set_rectangle(struct blitter_context_priv *ctx,
int x1, int y1, int x2, int y2,
float depth)
{
/* set vertex positions */
ctx->vertices[0][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v0.x*/
ctx->vertices[0][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v0.y*/
ctx->vertices[1][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v1.x*/
ctx->vertices[1][0][1] = (float)y1 / ctx->dst_height * 2.0f - 1.0f; /*v1.y*/
ctx->vertices[2][0][0] = (float)x2 / ctx->dst_width * 2.0f - 1.0f; /*v2.x*/
ctx->vertices[2][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v2.y*/
ctx->vertices[3][0][0] = (float)x1 / ctx->dst_width * 2.0f - 1.0f; /*v3.x*/
ctx->vertices[3][0][1] = (float)y2 / ctx->dst_height * 2.0f - 1.0f; /*v3.y*/
/* viewport */
struct pipe_viewport_state viewport;
viewport.scale[0] = 0.5f * ctx->dst_width;
viewport.scale[1] = 0.5f * ctx->dst_height;
viewport.scale[2] = 0.0f;
viewport.translate[0] = 0.5f * ctx->dst_width;
viewport.translate[1] = 0.5f * ctx->dst_height;
viewport.translate[2] = depth;
viewport.swizzle_x = PIPE_VIEWPORT_SWIZZLE_POSITIVE_X;
viewport.swizzle_y = PIPE_VIEWPORT_SWIZZLE_POSITIVE_Y;
viewport.swizzle_z = PIPE_VIEWPORT_SWIZZLE_POSITIVE_Z;
viewport.swizzle_w = PIPE_VIEWPORT_SWIZZLE_POSITIVE_W;
ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &viewport);
}
static void blitter_set_clear_color(struct blitter_context_priv *ctx,
const float color[4])
{
int i;
if (color) {
for (i = 0; i < 4; i++)
memcpy(&ctx->vertices[i][1][0], color, sizeof(uint32_t) * 4);
} else {
for (i = 0; i < 4; i++)
memset(&ctx->vertices[i][1][0], 0, sizeof(uint32_t) * 4);
}
}
static void get_texcoords(struct pipe_sampler_view *src,
unsigned src_width0, unsigned src_height0,
int x1, int y1, int x2, int y2,
float layer, unsigned sample,
bool uses_txf, union blitter_attrib *out)
{
unsigned level = src->u.tex.first_level;
bool normalized = !uses_txf &&
src->target != PIPE_TEXTURE_RECT &&
src->texture->nr_samples <= 1;
if (normalized) {
out->texcoord.x1 = x1 / (float)u_minify(src_width0, level);
out->texcoord.y1 = y1 / (float)u_minify(src_height0, level);
out->texcoord.x2 = x2 / (float)u_minify(src_width0, level);
out->texcoord.y2 = y2 / (float)u_minify(src_height0, level);
} else {
out->texcoord.x1 = x1;
out->texcoord.y1 = y1;
out->texcoord.x2 = x2;
out->texcoord.y2 = y2;
}
out->texcoord.z = 0;
out->texcoord.w = 0;
/* Set the layer. */
switch (src->target) {
case PIPE_TEXTURE_3D:
{
float r = layer;
if (!uses_txf)
r /= u_minify(src->texture->depth0, src->u.tex.first_level);
out->texcoord.z = r;
}
break;
case PIPE_TEXTURE_1D_ARRAY:
out->texcoord.y1 = out->texcoord.y2 = layer;
break;
case PIPE_TEXTURE_2D_ARRAY:
out->texcoord.z = layer;
out->texcoord.w = sample;
break;
case PIPE_TEXTURE_CUBE_ARRAY:
out->texcoord.w = (unsigned)layer / 6;
break;
case PIPE_TEXTURE_2D:
out->texcoord.w = sample;
break;
default:;
}
}
static void blitter_set_dst_dimensions(struct blitter_context_priv *ctx,
unsigned width, unsigned height)
{
ctx->dst_width = width;
ctx->dst_height = height;
}
static void set_texcoords_in_vertices(const union blitter_attrib *attrib,
float *out, unsigned stride)
{
out[0] = attrib->texcoord.x1;
out[1] = attrib->texcoord.y1;
out += stride;
out[0] = attrib->texcoord.x2;
out[1] = attrib->texcoord.y1;
out += stride;
out[0] = attrib->texcoord.x2;
out[1] = attrib->texcoord.y2;
out += stride;
out[0] = attrib->texcoord.x1;
out[1] = attrib->texcoord.y2;
}
static void *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
enum pipe_format src_format,
enum pipe_format dst_format,
enum pipe_texture_target target,
unsigned src_nr_samples,
unsigned dst_nr_samples,
unsigned filter,
bool use_txf)
{
struct pipe_context *pipe = ctx->base.pipe;
enum tgsi_texture_type tgsi_tex =
util_pipe_tex_to_tgsi_tex(target, src_nr_samples);
enum tgsi_return_type stype;
enum tgsi_return_type dtype;
unsigned type;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (util_format_is_pure_uint(src_format)) {
stype = TGSI_RETURN_TYPE_UINT;
if (util_format_is_pure_uint(dst_format)) {
dtype = TGSI_RETURN_TYPE_UINT;
type = 0;
} else {
assert(util_format_is_pure_sint(dst_format));
dtype = TGSI_RETURN_TYPE_SINT;
type = 1;
}
} else if (util_format_is_pure_sint(src_format)) {
stype = TGSI_RETURN_TYPE_SINT;
if (util_format_is_pure_sint(dst_format)) {
dtype = TGSI_RETURN_TYPE_SINT;
type = 2;
} else {
assert(util_format_is_pure_uint(dst_format));
dtype = TGSI_RETURN_TYPE_UINT;
type = 3;
}
} else {
assert(!util_format_is_pure_uint(dst_format) &&
!util_format_is_pure_sint(dst_format));
dtype = stype = TGSI_RETURN_TYPE_FLOAT;
type = 4;
}
if (src_nr_samples > 1) {
void **shader;
/* OpenGL requires that integer textures just copy 1 sample instead
* of averaging.
*/
if (dst_nr_samples <= 1 &&
stype != TGSI_RETURN_TYPE_UINT &&
stype != TGSI_RETURN_TYPE_SINT) {
/* The destination has one sample, so we'll do color resolve. */
unsigned index = GET_MSAA_RESOLVE_FS_IDX(src_nr_samples);
assert(filter < 2);
shader = &ctx->fs_resolve[target][index][filter];
if (!*shader) {
assert(!ctx->cached_all_shaders);
if (filter == PIPE_TEX_FILTER_LINEAR) {
*shader = util_make_fs_msaa_resolve_bilinear(pipe, tgsi_tex,
src_nr_samples,
stype);
}
else {
*shader = util_make_fs_msaa_resolve(pipe, tgsi_tex,
src_nr_samples,
stype);
}
}
}
else {
/* The destination has multiple samples, we'll do
* an MSAA->MSAA copy.
*/
shader = &ctx->fs_texfetch_col_msaa[type][target];
/* Create the fragment shader on-demand. */
if (!*shader) {
assert(!ctx->cached_all_shaders);
*shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex, stype, dtype,
ctx->has_sample_shading);
}
}
return *shader;
} else {
void **shader;
if (use_txf)
shader = &ctx->fs_texfetch_col[type][target][1];
else
shader = &ctx->fs_texfetch_col[type][target][0];
/* Create the fragment shader on-demand. */
if (!*shader) {
assert(!ctx->cached_all_shaders);
*shader = util_make_fragment_tex_shader(pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR,
stype, dtype,
ctx->has_tex_lz, use_txf);
}
return *shader;
}
}
static inline
void *blitter_get_fs_pack_color_zs(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned nr_samples,
enum pipe_format zs_format,
bool dst_is_color)
{
struct pipe_context *pipe = ctx->base.pipe;
enum tgsi_texture_type tgsi_tex =
util_pipe_tex_to_tgsi_tex(target, nr_samples);
int format_index = zs_format == PIPE_FORMAT_Z24_UNORM_S8_UINT ? 0 :
zs_format == PIPE_FORMAT_S8_UINT_Z24_UNORM ? 1 :
zs_format == PIPE_FORMAT_Z32_FLOAT_S8X24_UINT ? 2 :
zs_format == PIPE_FORMAT_Z24X8_UNORM ? 3 :
zs_format == PIPE_FORMAT_X8Z24_UNORM ? 4 : -1;
if (format_index == -1) {
assert(0);
return NULL;
}
/* The first 5 shaders pack ZS to color, the last 5 shaders unpack color
* to ZS.
*/
if (dst_is_color)
format_index += 5;
void **shader = &ctx->fs_pack_color_zs[tgsi_tex][format_index];
/* Create the fragment shader on-demand. */
if (!*shader) {
assert(!ctx->cached_all_shaders);
*shader = util_make_fs_pack_color_zs(pipe, tgsi_tex, zs_format,
dst_is_color);
}
return *shader;
}
static inline
void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned src_samples, unsigned dst_samples,
bool use_txf)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (src_samples > 1) {
bool sample_shading = ctx->has_sample_shading && src_samples > 1 &&
src_samples == dst_samples;
void **shader = &ctx->fs_texfetch_depth_msaa[target][sample_shading];
/* Create the fragment shader on-demand. */
if (!*shader) {
enum tgsi_texture_type tgsi_tex;
assert(!ctx->cached_all_shaders);
tgsi_tex = util_pipe_tex_to_tgsi_tex(target, src_samples);
*shader = util_make_fs_blit_msaa_depth(pipe, tgsi_tex, sample_shading);
}
return *shader;
} else {
void **shader;
if (use_txf)
shader = &ctx->fs_texfetch_depth[target][1];
else
shader = &ctx->fs_texfetch_depth[target][0];
/* Create the fragment shader on-demand. */
if (!*shader) {
enum tgsi_texture_type tgsi_tex;
assert(!ctx->cached_all_shaders);
tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader = util_make_fs_blit_zs(pipe, PIPE_MASK_Z, tgsi_tex,
ctx->has_tex_lz, use_txf);
}
return *shader;
}
}
static inline
void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned src_samples,
unsigned dst_samples, bool use_txf)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (src_samples > 1) {
bool sample_shading = ctx->has_sample_shading && src_samples > 1 &&
src_samples == dst_samples;
void **shader = &ctx->fs_texfetch_depthstencil_msaa[target][sample_shading];
/* Create the fragment shader on-demand. */
if (!*shader) {
enum tgsi_texture_type tgsi_tex;
assert(!ctx->cached_all_shaders);
tgsi_tex = util_pipe_tex_to_tgsi_tex(target, src_samples);
*shader = util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex,
sample_shading);
}
return *shader;
} else {
void **shader;
if (use_txf)
shader = &ctx->fs_texfetch_depthstencil[target][1];
else
shader = &ctx->fs_texfetch_depthstencil[target][0];
/* Create the fragment shader on-demand. */
if (!*shader) {
enum tgsi_texture_type tgsi_tex;
assert(!ctx->cached_all_shaders);
tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader = util_make_fs_blit_zs(pipe, PIPE_MASK_ZS, tgsi_tex,
ctx->has_tex_lz, use_txf);
}
return *shader;
}
}
static inline
void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned src_samples, unsigned dst_samples,
bool use_txf)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (src_samples > 1) {
bool sample_shading = ctx->has_sample_shading && src_samples > 1 &&
src_samples == dst_samples;
void **shader = &ctx->fs_texfetch_stencil_msaa[target][sample_shading];
/* Create the fragment shader on-demand. */
if (!*shader) {
enum tgsi_texture_type tgsi_tex;
assert(!ctx->cached_all_shaders);
tgsi_tex = util_pipe_tex_to_tgsi_tex(target, src_samples);
*shader = util_make_fs_blit_msaa_stencil(pipe, tgsi_tex,
sample_shading);
}
return *shader;
} else {
void **shader;
if (use_txf)
shader = &ctx->fs_texfetch_stencil[target][1];
else
shader = &ctx->fs_texfetch_stencil[target][0];
/* Create the fragment shader on-demand. */
if (!*shader) {
enum tgsi_texture_type tgsi_tex;
assert(!ctx->cached_all_shaders);
tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader = util_make_fs_blit_zs(pipe, PIPE_MASK_S, tgsi_tex,
ctx->has_tex_lz, use_txf);
}
return *shader;
}
}
/**
* Generate and save all fragment shaders that we will ever need for
* blitting. Drivers which use the 'draw' fallbacks will typically use
* this to make sure we generate/use shaders that don't go through the
* draw module's wrapper functions.
*/
void util_blitter_cache_all_shaders(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = blitter->pipe;
struct pipe_screen *screen = pipe->screen;
unsigned samples, j, f, target, max_samples, use_txf;
bool has_arraytex, has_cubearraytex;
max_samples = ctx->has_texture_multisample ? 2 : 1;
has_arraytex = screen->get_param(screen,
PIPE_CAP_MAX_TEXTURE_ARRAY_LAYERS) != 0;
has_cubearraytex = screen->get_param(screen,
PIPE_CAP_CUBE_MAP_ARRAY) != 0;
/* It only matters if i <= 1 or > 1. */
for (samples = 1; samples <= max_samples; samples++) {
for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) {
for (use_txf = 0; use_txf <= ctx->has_txf; use_txf++) {
if (!has_arraytex &&
(target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D_ARRAY)) {
continue;
}
if (!has_cubearraytex &&
(target == PIPE_TEXTURE_CUBE_ARRAY))
continue;
if (samples > 1 &&
(target != PIPE_TEXTURE_2D &&
target != PIPE_TEXTURE_2D_ARRAY))
continue;
if (samples > 1 && use_txf)
continue; /* TXF is the only option, use_txf has no effect */
/* If samples == 1, the shaders read one texel. If samples >= 1,
* they read one sample.
*/
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT,
PIPE_FORMAT_R32_FLOAT, target,
samples, samples, 0, use_txf);
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT,
PIPE_FORMAT_R32_UINT, target,
samples, samples, 0, use_txf);
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT,
PIPE_FORMAT_R32_SINT, target,
samples, samples, 0, use_txf);
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT,
PIPE_FORMAT_R32_SINT, target,
samples, samples, 0, use_txf);
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT,
PIPE_FORMAT_R32_UINT, target,
samples, samples, 0, use_txf);
blitter_get_fs_texfetch_depth(ctx, target, samples, samples, use_txf);
if (ctx->has_stencil_export) {
blitter_get_fs_texfetch_depthstencil(ctx, target, samples, samples, use_txf);
blitter_get_fs_texfetch_stencil(ctx, target, samples, samples, use_txf);
}
if (samples == 2) {
blitter_get_fs_texfetch_depth(ctx, target, samples, 1, use_txf);
if (ctx->has_stencil_export) {
blitter_get_fs_texfetch_depthstencil(ctx, target, samples, 1, use_txf);
blitter_get_fs_texfetch_stencil(ctx, target, samples, 1, use_txf);
}
}
if (samples == 1)
continue;
/* MSAA resolve shaders. */
for (j = 2; j < 32; j++) {
if (!screen->is_format_supported(screen, PIPE_FORMAT_R32_FLOAT,
target, j, j,
PIPE_BIND_SAMPLER_VIEW)) {
continue;
}
for (f = 0; f < 2; f++) {
if (f != PIPE_TEX_FILTER_NEAREST && use_txf)
continue;
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_FLOAT,
PIPE_FORMAT_R32_FLOAT, target,
j, 1, f, use_txf);
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_UINT,
PIPE_FORMAT_R32_UINT, target,
j, 1, f, use_txf);
blitter_get_fs_texfetch_col(ctx, PIPE_FORMAT_R32_SINT,
PIPE_FORMAT_R32_SINT, target,
j, 1, f, use_txf);
}
}
}
}
}
ctx->fs_empty = util_make_empty_fragment_shader(pipe);
ctx->fs_write_one_cbuf =
util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
TGSI_INTERPOLATE_CONSTANT, false);
ctx->fs_write_all_cbufs =
util_make_fragment_passthrough_shader(pipe, TGSI_SEMANTIC_GENERIC,
TGSI_INTERPOLATE_CONSTANT, true);
ctx->cached_all_shaders = true;
}
static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx,
bool scissor, bool msaa)
{
struct pipe_context *pipe = ctx->base.pipe;
if (ctx->base.saved_num_window_rectangles)
pipe->set_window_rectangles(pipe, false, 0, NULL);
pipe->bind_rasterizer_state(pipe, ctx->rs_state[scissor][msaa]);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
if (ctx->has_tessellation) {
pipe->bind_tcs_state(pipe, NULL);
pipe->bind_tes_state(pipe, NULL);
}
if (ctx->has_stream_out)
pipe->set_stream_output_targets(pipe, 0, NULL, NULL);
}
static void blitter_draw(struct blitter_context_priv *ctx,
void *vertex_elements_cso,
blitter_get_vs_func get_vs,
int x1, int y1, int x2, int y2, float depth,
unsigned num_instances)
{
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_vertex_buffer vb = {0};
blitter_set_rectangle(ctx, x1, y1, x2, y2, depth);
vb.stride = 8 * sizeof(float);
u_upload_data(pipe->stream_uploader, 0, sizeof(ctx->vertices), 4, ctx->vertices,
&vb.buffer_offset, &vb.buffer.resource);
if (!vb.buffer.resource)
return;
u_upload_unmap(pipe->stream_uploader);
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 0, false, &vb);
pipe->bind_vertex_elements_state(pipe, vertex_elements_cso);
pipe->bind_vs_state(pipe, get_vs(&ctx->base));
if (ctx->base.use_index_buffer) {
/* Note that for V3D,
* dEQP-GLES3.functional.fbo.blit.rect.nearest_consistency_* require
* that the last vert of the two tris be the same.
*/
static uint8_t indices[6] = { 0, 1, 2, 0, 3, 2 };
util_draw_elements_instanced(pipe, indices, 1, 0,
PIPE_PRIM_TRIANGLES, 0, 6,
0, num_instances);
} else {
util_draw_arrays_instanced(pipe, PIPE_PRIM_TRIANGLE_FAN, 0, 4,
0, num_instances);
}
pipe_resource_reference(&vb.buffer.resource, NULL);
}
void util_blitter_draw_rectangle(struct blitter_context *blitter,
void *vertex_elements_cso,
blitter_get_vs_func get_vs,
int x1, int y1, int x2, int y2,
float depth, unsigned num_instances,
enum blitter_attrib_type type,
const union blitter_attrib *attrib)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
unsigned i;
switch (type) {
case UTIL_BLITTER_ATTRIB_COLOR:
blitter_set_clear_color(ctx, attrib->color);
break;
case UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW:
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][2] = attrib->texcoord.z;
ctx->vertices[i][1][3] = attrib->texcoord.w;
}
set_texcoords_in_vertices(attrib, &ctx->vertices[0][1][0], 8);
break;
case UTIL_BLITTER_ATTRIB_TEXCOORD_XY:
/* We clean-up the ZW components, just in case we used before XYZW,
* to avoid feeding in the shader with wrong values (like on the lod)
*/
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][2] = 0;
ctx->vertices[i][1][3] = 0;
}
set_texcoords_in_vertices(attrib, &ctx->vertices[0][1][0], 8);
break;
default:;
}
blitter_draw(ctx, vertex_elements_cso, get_vs, x1, y1, x2, y2, depth,
num_instances);
}
static void *get_clear_blend_state(struct blitter_context_priv *ctx,
unsigned clear_buffers)
{
struct pipe_context *pipe = ctx->base.pipe;
int index;
clear_buffers &= PIPE_CLEAR_COLOR;
/* Return an existing blend state. */
if (!clear_buffers)
return ctx->blend[0][0];
index = GET_CLEAR_BLEND_STATE_IDX(clear_buffers);
if (ctx->blend_clear[index])
return ctx->blend_clear[index];
/* Create a new one. */
{
struct pipe_blend_state blend = {0};
unsigned i;
blend.independent_blend_enable = 1;
for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
if (clear_buffers & (PIPE_CLEAR_COLOR0 << i)) {
blend.rt[i].colormask = PIPE_MASK_RGBA;
blend.max_rt = i;
}
}
ctx->blend_clear[index] = pipe->create_blend_state(pipe, &blend);
}
return ctx->blend_clear[index];
}
void util_blitter_common_clear_setup(struct blitter_context *blitter,
unsigned width, unsigned height,
unsigned clear_buffers,
void *custom_blend, void *custom_dsa)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
if (custom_blend) {
pipe->bind_blend_state(pipe, custom_blend);
} else {
pipe->bind_blend_state(pipe, get_clear_blend_state(ctx, clear_buffers));
}
if (custom_dsa) {
pipe->bind_depth_stencil_alpha_state(pipe, custom_dsa);
} else if ((clear_buffers & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) {
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
} else if (clear_buffers & PIPE_CLEAR_DEPTH) {
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil);
} else if (clear_buffers & PIPE_CLEAR_STENCIL) {
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
} else {
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
}
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_set_dst_dimensions(ctx, width, height);
}
static void util_blitter_clear_custom(struct blitter_context *blitter,
unsigned width, unsigned height,
unsigned num_layers,
unsigned clear_buffers,
const union pipe_color_union *color,
double depth, unsigned stencil,
void *custom_blend, void *custom_dsa,
bool msaa)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_stencil_ref sr = { { 0 } };
assert(ctx->has_layered || num_layers <= 1);
util_blitter_common_clear_setup(blitter, width, height, clear_buffers,
custom_blend, custom_dsa);
sr.ref_value[0] = stencil & 0xff;
pipe->set_stencil_ref(pipe, sr);
union blitter_attrib attrib;
memcpy(attrib.color, color->ui, sizeof(color->ui));
bool pass_generic = (clear_buffers & PIPE_CLEAR_COLOR) != 0;
enum blitter_attrib_type type = pass_generic ? UTIL_BLITTER_ATTRIB_COLOR :
UTIL_BLITTER_ATTRIB_NONE;
if (pass_generic)
bind_fs_write_all_cbufs(ctx);
else
bind_fs_empty(ctx);
if (num_layers > 1 && ctx->has_layered) {
blitter_get_vs_func get_vs = get_vs_layered;
blitter_set_common_draw_rect_state(ctx, false, msaa);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs,
0, 0, width, height,
(float) depth, num_layers, type, &attrib);
} else {
blitter_get_vs_func get_vs;
if (pass_generic)
get_vs = get_vs_passthrough_pos_generic;
else
get_vs = get_vs_passthrough_pos;
blitter_set_common_draw_rect_state(ctx, false, msaa);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs,
0, 0, width, height,
(float) depth, 1, type, &attrib);
}
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
void util_blitter_clear(struct blitter_context *blitter,
unsigned width, unsigned height, unsigned num_layers,
unsigned clear_buffers,
const union pipe_color_union *color,
double depth, unsigned stencil,
bool msaa)
{
util_blitter_clear_custom(blitter, width, height, num_layers,
clear_buffers, color, depth, stencil,
NULL, NULL, msaa);
}
void util_blitter_custom_clear_depth(struct blitter_context *blitter,
unsigned width, unsigned height,
double depth, void *custom_dsa)
{
static const union pipe_color_union color;
util_blitter_clear_custom(blitter, width, height, 0, 0, &color, depth, 0,
NULL, custom_dsa, false);
}
void util_blitter_default_dst_texture(struct pipe_surface *dst_templ,
struct pipe_resource *dst,
unsigned dstlevel,
unsigned dstz)
{
memset(dst_templ, 0, sizeof(*dst_templ));
dst_templ->format = util_format_linear(dst->format);
dst_templ->u.tex.level = dstlevel;
dst_templ->u.tex.first_layer = dstz;
dst_templ->u.tex.last_layer = dstz;
}
static struct pipe_surface *
util_blitter_get_next_surface_layer(struct pipe_context *pipe,
struct pipe_surface *surf)
{
struct pipe_surface dst_templ;
memset(&dst_templ, 0, sizeof(dst_templ));
dst_templ.format = surf->format;
dst_templ.u.tex.level = surf->u.tex.level;
dst_templ.u.tex.first_layer = surf->u.tex.first_layer + 1;
dst_templ.u.tex.last_layer = surf->u.tex.last_layer + 1;
return pipe->create_surface(pipe, surf->texture, &dst_templ);
}
void util_blitter_default_src_texture(struct blitter_context *blitter,
struct pipe_sampler_view *src_templ,
struct pipe_resource *src,
unsigned srclevel)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
memset(src_templ, 0, sizeof(*src_templ));
if (ctx->cube_as_2darray &&
(src->target == PIPE_TEXTURE_CUBE ||
src->target == PIPE_TEXTURE_CUBE_ARRAY))
src_templ->target = PIPE_TEXTURE_2D_ARRAY;
else
src_templ->target = src->target;
src_templ->format = util_format_linear(src->format);
src_templ->u.tex.first_level = srclevel;
src_templ->u.tex.last_level = srclevel;
src_templ->u.tex.first_layer = 0;
src_templ->u.tex.last_layer =
src->target == PIPE_TEXTURE_3D ? u_minify(src->depth0, srclevel) - 1
: (unsigned)(src->array_size - 1);
src_templ->swizzle_r = PIPE_SWIZZLE_X;
src_templ->swizzle_g = PIPE_SWIZZLE_Y;
src_templ->swizzle_b = PIPE_SWIZZLE_Z;
src_templ->swizzle_a = PIPE_SWIZZLE_W;
}
static bool is_blit_generic_supported(struct blitter_context *blitter,
const struct pipe_resource *dst,
enum pipe_format dst_format,
const struct pipe_resource *src,
enum pipe_format src_format,
unsigned mask)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_screen *screen = ctx->base.pipe->screen;
if (dst) {
unsigned bind;
const struct util_format_description *desc =
util_format_description(dst_format);
bool dst_has_stencil = util_format_has_stencil(desc);
/* Stencil export must be supported for stencil copy. */
if ((mask & PIPE_MASK_S) && dst_has_stencil &&
!ctx->has_stencil_export) {
return false;
}
if (dst_has_stencil || util_format_has_depth(desc))
bind = PIPE_BIND_DEPTH_STENCIL;
else
bind = PIPE_BIND_RENDER_TARGET;
if (!screen->is_format_supported(screen, dst_format, dst->target,
dst->nr_samples, dst->nr_storage_samples,
bind)) {
return false;
}
}
if (src) {
if (src->nr_samples > 1 && !ctx->has_texture_multisample) {
return false;
}
if (!screen->is_format_supported(screen, src_format, src->target,
src->nr_samples, src->nr_storage_samples,
PIPE_BIND_SAMPLER_VIEW)) {
return false;
}
/* Check stencil sampler support for stencil copy. */
if (mask & PIPE_MASK_S) {
if (util_format_has_stencil(util_format_description(src_format))) {
enum pipe_format stencil_format =
util_format_stencil_only(src_format);
assert(stencil_format != PIPE_FORMAT_NONE);
if (stencil_format != src_format &&
!screen->is_format_supported(screen, stencil_format,
src->target, src->nr_samples,
src->nr_storage_samples,
PIPE_BIND_SAMPLER_VIEW)) {
return false;
}
}
}
}
return true;
}
bool util_blitter_is_copy_supported(struct blitter_context *blitter,
const struct pipe_resource *dst,
const struct pipe_resource *src)
{
return is_blit_generic_supported(blitter, dst, dst->format,
src, src->format, PIPE_MASK_RGBAZS);
}
bool util_blitter_is_blit_supported(struct blitter_context *blitter,
const struct pipe_blit_info *info)
{
return is_blit_generic_supported(blitter,
info->dst.resource, info->dst.format,
info->src.resource, info->src.format,
info->mask);
}
void util_blitter_copy_texture(struct blitter_context *blitter,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dstx, unsigned dsty, unsigned dstz,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *srcbox)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
struct pipe_box dstbox;
assert(dst && src);
assert(src->target < PIPE_MAX_TEXTURE_TYPES);
u_box_3d(dstx, dsty, dstz, abs(srcbox->width), abs(srcbox->height),
abs(srcbox->depth), &dstbox);
/* Initialize the surface. */
util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstz);
dst_view = pipe->create_surface(pipe, dst, &dst_templ);
/* Initialize the sampler view. */
util_blitter_default_src_texture(blitter, &src_templ, src, src_level);
src_view = pipe->create_sampler_view(pipe, src, &src_templ);
/* Copy. */
util_blitter_blit_generic(blitter, dst_view, &dstbox,
src_view, srcbox, src->width0, src->height0,
PIPE_MASK_RGBAZS, PIPE_TEX_FILTER_NEAREST, NULL,
false, false);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
static void
blitter_draw_tex(struct blitter_context_priv *ctx,
int dst_x1, int dst_y1, int dst_x2, int dst_y2,
struct pipe_sampler_view *src,
unsigned src_width0, unsigned src_height0,
int src_x1, int src_y1, int src_x2, int src_y2,
float layer, unsigned sample,
bool uses_txf, enum blitter_attrib_type type)
{
union blitter_attrib coord;
blitter_get_vs_func get_vs = get_vs_passthrough_pos_generic;
get_texcoords(src, src_width0, src_height0,
src_x1, src_y1, src_x2, src_y2, layer, sample,
uses_txf, &coord);
if (src->target == PIPE_TEXTURE_CUBE ||
src->target == PIPE_TEXTURE_CUBE_ARRAY) {
float face_coord[4][2];
set_texcoords_in_vertices(&coord, &face_coord[0][0], 2);
util_map_texcoords2d_onto_cubemap((unsigned)layer % 6,
/* pointer, stride in floats */
&face_coord[0][0], 2,
&ctx->vertices[0][1][0], 8,
false);
for (unsigned i = 0; i < 4; i++)
ctx->vertices[i][1][3] = coord.texcoord.w;
/* Cubemaps don't use draw_rectangle. */
blitter_draw(ctx, ctx->velem_state, get_vs,
dst_x1, dst_y1, dst_x2, dst_y2, 0, 1);
} else {
ctx->base.draw_rectangle(&ctx->base, ctx->velem_state, get_vs,
dst_x1, dst_y1, dst_x2, dst_y2,
0, 1, type, &coord);
}
}
static void do_blits(struct blitter_context_priv *ctx,
struct pipe_surface *dst,
const struct pipe_box *dstbox,
struct pipe_sampler_view *src,
unsigned src_width0,
unsigned src_height0,
const struct pipe_box *srcbox,
bool is_zsbuf,
bool uses_txf, bool sample0_only)
{
struct pipe_context *pipe = ctx->base.pipe;
unsigned src_samples = src->texture->nr_samples;
unsigned dst_samples = dst->texture->nr_samples;
bool sample_shading = ctx->has_sample_shading && src_samples > 1 &&
src_samples == dst_samples && !sample0_only;
enum pipe_texture_target src_target = src->target;
struct pipe_framebuffer_state fb_state = {0};
/* Initialize framebuffer state. */
fb_state.width = dst->width;
fb_state.height = dst->height;
fb_state.nr_cbufs = is_zsbuf ? 0 : 1;
blitter_set_dst_dimensions(ctx, fb_state.width, fb_state.height);
if ((src_target == PIPE_TEXTURE_1D ||
src_target == PIPE_TEXTURE_2D ||
src_target == PIPE_TEXTURE_RECT) &&
(src_samples <= 1 || sample_shading)) {
/* Set framebuffer state. */
if (is_zsbuf) {
fb_state.zsbuf = dst;
} else {
fb_state.cbufs[0] = dst;
}
pipe->set_framebuffer_state(pipe, &fb_state);
/* Draw. */
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, sample_shading ? dst_samples : 1);
blitter_draw_tex(ctx, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height,
src, src_width0, src_height0, srcbox->x, srcbox->y,
srcbox->x + srcbox->width, srcbox->y + srcbox->height,
0, 0, uses_txf, UTIL_BLITTER_ATTRIB_TEXCOORD_XY);
} else {
/* Draw the quad with the generic codepath. */
int dst_z;
for (dst_z = 0; dst_z < dstbox->depth; dst_z++) {
struct pipe_surface *old;
bool flipped = (srcbox->depth < 0);
float depth_center_offset = 0.0;
int src_depth = abs(srcbox->depth);
float src_z_step = src_depth / (float)dstbox->depth;
/* Scale Z properly if the blit is scaled.
*
* When downscaling, we want the coordinates centered, so that
* mipmapping works for 3D textures. For example, when generating
* a 4x4x4 level, this wouldn't average the pixels:
*
* src Z: 0 1 2 3 4 5 6 7
* dst Z: 0 1 2 3
*
* Because the pixels are not centered below the pixels of the higher
* level. Therefore, we want this:
* src Z: 0 1 2 3 4 5 6 7
* dst Z: 0 1 2 3
*
* This calculation is taken from the radv driver.
*/
if (src_target == PIPE_TEXTURE_3D)
depth_center_offset = 0.5 / dstbox->depth * src_depth;
if (flipped) {
src_z_step *= - 1;
depth_center_offset *= -1;
}
float src_z = dst_z * src_z_step + depth_center_offset;
/* Set framebuffer state. */
if (is_zsbuf) {
fb_state.zsbuf = dst;
} else {
fb_state.cbufs[0] = dst;
}
pipe->set_framebuffer_state(pipe, &fb_state);
/* See if we need to blit a multisample or singlesample buffer. */
if (sample0_only || (src_samples == dst_samples && dst_samples > 1)) {
/* MSAA copy. */
unsigned i, max_sample = sample0_only ? 0 : dst_samples - 1;
if (sample_shading) {
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, max_sample);
blitter_draw_tex(ctx, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height,
src, src_width0, src_height0,
srcbox->x, srcbox->y,
srcbox->x + srcbox->width,
srcbox->y + srcbox->height,
srcbox->z + src_z, 0, uses_txf,
UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW);
} else {
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
for (i = 0; i <= max_sample; i++) {
pipe->set_sample_mask(pipe, 1 << i);
blitter_draw_tex(ctx, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height,
src, src_width0, src_height0,
srcbox->x, srcbox->y,
srcbox->x + srcbox->width,
srcbox->y + srcbox->height,
srcbox->z + src_z, i, uses_txf,
UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW);
}
}
} else {
/* Normal copy, MSAA upsampling, or MSAA resolve. */
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_draw_tex(ctx, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height,
src, src_width0, src_height0,
srcbox->x, srcbox->y,
srcbox->x + srcbox->width,
srcbox->y + srcbox->height,
srcbox->z + src_z, 0, uses_txf,
UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW);
}
/* Get the next surface or (if this is the last iteration)
* just unreference the last one. */
old = dst;
if (dst_z < dstbox->depth-1) {
dst = util_blitter_get_next_surface_layer(ctx->base.pipe, dst);
}
if (dst_z) {
pipe_surface_reference(&old, NULL);
}
}
}
}
void util_blitter_blit_generic(struct blitter_context *blitter,
struct pipe_surface *dst,
const struct pipe_box *dstbox,
struct pipe_sampler_view *src,
const struct pipe_box *srcbox,
unsigned src_width0, unsigned src_height0,
unsigned mask, unsigned filter,
const struct pipe_scissor_state *scissor,
bool alpha_blend, bool sample0_only)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
enum pipe_texture_target src_target = src->target;
unsigned src_samples = src->texture->nr_samples;
unsigned dst_samples = dst->texture->nr_samples;
void *sampler_state;
const struct util_format_description *src_desc =
util_format_description(src->format);
const struct util_format_description *dst_desc =
util_format_description(dst->format);
bool src_has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS;
bool src_has_depth = util_format_has_depth(src_desc);
bool src_has_stencil = util_format_has_stencil(src_desc);
bool dst_has_color = mask & PIPE_MASK_RGBA &&
dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS;
bool dst_has_depth = mask & PIPE_MASK_Z &&
util_format_has_depth(dst_desc);
bool dst_has_stencil = ctx->has_stencil_export &&
mask & PIPE_MASK_S &&
util_format_has_stencil(dst_desc);
/* Return if there is nothing to do. */
if (!dst_has_color && !dst_has_depth && !dst_has_stencil) {
return;
}
bool is_scaled = dstbox->width != abs(srcbox->width) ||
dstbox->height != abs(srcbox->height);
if (src_has_stencil || !is_scaled)
filter = PIPE_TEX_FILTER_NEAREST;
bool use_txf = false;
/* Don't support scaled blits. The TXF shader uses F2I for rounding. */
if (ctx->has_txf &&
!is_scaled &&
filter == PIPE_TEX_FILTER_NEAREST &&
src->target != PIPE_TEXTURE_CUBE &&
src->target != PIPE_TEXTURE_CUBE_ARRAY) {
int src_width = u_minify(src_width0, src->u.tex.first_level);
int src_height = u_minify(src_height0, src->u.tex.first_level);
int src_depth = src->u.tex.last_layer + 1;
struct pipe_box box = *srcbox;
/* Eliminate negative width/height/depth. */
if (box.width < 0) {
box.x += box.width;
box.width *= -1;
}
if (box.height < 0) {
box.y += box.height;
box.height *= -1;
}
if (box.depth < 0) {
box.z += box.depth;
box.depth *= -1;
}
/* See if srcbox is in bounds. TXF doesn't clamp the coordinates. */
use_txf =
box.x >= 0 && box.x < src_width &&
box.y >= 0 && box.y < src_height &&
box.z >= 0 && box.z < src_depth &&
box.x + box.width > 0 && box.x + box.width <= src_width &&
box.y + box.height > 0 && box.y + box.height <= src_height &&
box.z + box.depth > 0 && box.z + box.depth <= src_depth;
}
/* Check whether the states are properly saved. */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_textures(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* Blend, DSA, fragment shader. */
if (dst_has_depth && dst_has_stencil) {
pipe->bind_blend_state(pipe, ctx->blend[0][0]);
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_stencil);
if (src_has_color) {
assert(use_txf);
ctx->bind_fs_state(pipe,
blitter_get_fs_pack_color_zs(ctx, src_target,
src_samples, dst->format, false));
} else {
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_depthstencil(ctx, src_target, src_samples,
dst_samples, use_txf));
}
} else if (dst_has_depth) {
pipe->bind_blend_state(pipe, ctx->blend[0][0]);
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
if (src_has_color &&
(src->format == PIPE_FORMAT_R32_UINT ||
src->format == PIPE_FORMAT_R32G32_UINT)) {
assert(use_txf);
ctx->bind_fs_state(pipe,
blitter_get_fs_pack_color_zs(ctx, src_target,
src_samples, dst->format, false));
} else {
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_depth(ctx, src_target, src_samples,
dst_samples, use_txf));
}
} else if (dst_has_stencil) {
pipe->bind_blend_state(pipe, ctx->blend[0][0]);
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_keep_depth_write_stencil);
assert(src_has_stencil); /* unpacking from color is unsupported */
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_stencil(ctx, src_target, src_samples,
dst_samples, use_txf));
} else {
unsigned colormask = mask & PIPE_MASK_RGBA;
pipe->bind_blend_state(pipe, ctx->blend[colormask][alpha_blend]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
if (src_has_depth &&
(dst->format == PIPE_FORMAT_R32_UINT ||
dst->format == PIPE_FORMAT_R32G32_UINT)) {
assert(use_txf);
ctx->bind_fs_state(pipe,
blitter_get_fs_pack_color_zs(ctx, src_target,
src_samples, src->format, true));
} else {
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_col(ctx, src->format, dst->format, src_target,
src_samples, dst_samples, filter,
use_txf));
}
}
/* Set the linear filter only for scaled color non-MSAA blits. */
if (filter == PIPE_TEX_FILTER_LINEAR) {
if (src_target == PIPE_TEXTURE_RECT) {
sampler_state = ctx->sampler_state_rect_linear;
} else {
sampler_state = ctx->sampler_state_linear;
}
} else {
if (src_target == PIPE_TEXTURE_RECT) {
sampler_state = ctx->sampler_state_rect;
} else {
sampler_state = ctx->sampler_state;
}
}
/* Set samplers. */
if (src_has_depth && src_has_stencil &&
(dst_has_color || (dst_has_depth && dst_has_stencil))) {
/* Setup two samplers, one for depth and the other one for stencil. */
struct pipe_sampler_view templ;
struct pipe_sampler_view *views[2];
void *samplers[2] = {sampler_state, sampler_state};
templ = *src;
templ.format = util_format_stencil_only(templ.format);
assert(templ.format != PIPE_FORMAT_NONE);
views[0] = src;
views[1] = pipe->create_sampler_view(pipe, src->texture, &templ);
pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 2, 0, false, views);
pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 2, samplers);
pipe_sampler_view_reference(&views[1], NULL);
} else if (src_has_stencil && dst_has_stencil) {
/* Set a stencil-only sampler view for it not to sample depth instead. */
struct pipe_sampler_view templ;
struct pipe_sampler_view *view;
templ = *src;
templ.format = util_format_stencil_only(templ.format);
assert(templ.format != PIPE_FORMAT_NONE);
view = pipe->create_sampler_view(pipe, src->texture, &templ);
pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, 0, false, &view);
pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
0, 1, &sampler_state);
pipe_sampler_view_reference(&view, NULL);
} else {
pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, 0, false, &src);
pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
0, 1, &sampler_state);
}
if (scissor) {
pipe->set_scissor_states(pipe, 0, 1, scissor);
}
blitter_set_common_draw_rect_state(ctx, scissor != NULL, dst_samples > 1);
do_blits(ctx, dst, dstbox, src, src_width0, src_height0,
srcbox, dst_has_depth || dst_has_stencil, use_txf, sample0_only);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_textures(blitter);
util_blitter_restore_fb_state(blitter);
if (scissor) {
pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor);
}
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
void
util_blitter_blit(struct blitter_context *blitter,
const struct pipe_blit_info *info)
{
struct pipe_resource *dst = info->dst.resource;
struct pipe_resource *src = info->src.resource;
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_surface *dst_view, dst_templ;
struct pipe_sampler_view src_templ, *src_view;
/* Initialize the surface. */
util_blitter_default_dst_texture(&dst_templ, dst, info->dst.level,
info->dst.box.z);
dst_templ.format = info->dst.format;
dst_view = pipe->create_surface(pipe, dst, &dst_templ);
/* Initialize the sampler view. */
util_blitter_default_src_texture(blitter, &src_templ, src, info->src.level);
src_templ.format = info->src.format;
src_view = pipe->create_sampler_view(pipe, src, &src_templ);
/* Copy. */
util_blitter_blit_generic(blitter, dst_view, &info->dst.box,
src_view, &info->src.box, src->width0, src->height0,
info->mask, info->filter,
info->scissor_enable ? &info->scissor : NULL,
info->alpha_blend, info->sample0_only);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
void util_blitter_generate_mipmap(struct blitter_context *blitter,
struct pipe_resource *tex,
enum pipe_format format,
unsigned base_level, unsigned last_level,
unsigned first_layer, unsigned last_layer)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_surface dst_templ, *dst_view;
struct pipe_sampler_view src_templ, *src_view;
bool is_depth;
void *sampler_state;
const struct util_format_description *desc =
util_format_description(format);
unsigned src_level;
unsigned target = tex->target;
if (ctx->cube_as_2darray &&
(target == PIPE_TEXTURE_CUBE || target == PIPE_TEXTURE_CUBE_ARRAY))
target = PIPE_TEXTURE_2D_ARRAY;
assert(tex->nr_samples <= 1);
/* Disallow stencil formats without depth. */
assert(!util_format_has_stencil(desc) || util_format_has_depth(desc));
is_depth = desc->colorspace == UTIL_FORMAT_COLORSPACE_ZS;
/* Check whether the states are properly saved. */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_textures(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* Set states. */
if (is_depth) {
pipe->bind_blend_state(pipe, ctx->blend[0][0]);
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_depth(ctx, target, 1, 1, false));
} else {
pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_col(ctx, tex->format, tex->format, target,
1, 1, PIPE_TEX_FILTER_LINEAR, false));
}
if (target == PIPE_TEXTURE_RECT) {
sampler_state = ctx->sampler_state_rect_linear;
} else {
sampler_state = ctx->sampler_state_linear;
}
pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT,
0, 1, &sampler_state);
blitter_set_common_draw_rect_state(ctx, false, false);
for (src_level = base_level; src_level < last_level; src_level++) {
struct pipe_box dstbox = {0}, srcbox = {0};
unsigned dst_level = src_level + 1;
dstbox.width = u_minify(tex->width0, dst_level);
dstbox.height = u_minify(tex->height0, dst_level);
srcbox.width = u_minify(tex->width0, src_level);
srcbox.height = u_minify(tex->height0, src_level);
if (target == PIPE_TEXTURE_3D) {
dstbox.depth = util_num_layers(tex, dst_level);
srcbox.depth = util_num_layers(tex, src_level);
} else {
dstbox.z = srcbox.z = first_layer;
dstbox.depth = srcbox.depth = last_layer - first_layer + 1;
}
/* Initialize the surface. */
util_blitter_default_dst_texture(&dst_templ, tex, dst_level,
first_layer);
dst_templ.format = format;
dst_view = pipe->create_surface(pipe, tex, &dst_templ);
/* Initialize the sampler view. */
util_blitter_default_src_texture(blitter, &src_templ, tex, src_level);
src_templ.format = format;
src_view = pipe->create_sampler_view(pipe, tex, &src_templ);
pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, 0, false, &src_view);
do_blits(ctx, dst_view, &dstbox, src_view, tex->width0, tex->height0,
&srcbox, is_depth, false, false);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_textures(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
/* Clear a region of a color surface to a constant value. */
void util_blitter_clear_render_target(struct blitter_context *blitter,
struct pipe_surface *dstsurf,
const union pipe_color_union *color,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state;
bool msaa;
unsigned num_layers;
assert(dstsurf->texture);
if (!dstsurf->texture)
return;
/* check the saved state */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
bind_fs_write_one_cbuf(ctx);
/* set a framebuffer state */
fb_state.width = dstsurf->width;
fb_state.height = dstsurf->height;
fb_state.nr_cbufs = 1;
fb_state.cbufs[0] = dstsurf;
fb_state.zsbuf = NULL;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
msaa = util_framebuffer_get_num_samples(&fb_state) > 1;
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
union blitter_attrib attrib;
memcpy(attrib.color, color->ui, sizeof(color->ui));
num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1;
if (num_layers > 1 && ctx->has_layered) {
blitter_set_common_draw_rect_state(ctx, false, msaa);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_layered,
dstx, dsty, dstx+width, dsty+height, 0,
num_layers, UTIL_BLITTER_ATTRIB_COLOR, &attrib);
} else {
blitter_set_common_draw_rect_state(ctx, false, msaa);
blitter->draw_rectangle(blitter, ctx->velem_state,
get_vs_passthrough_pos_generic,
dstx, dsty, dstx+width, dsty+height, 0,
1, UTIL_BLITTER_ATTRIB_COLOR, &attrib);
}
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
/* Clear a region of a depth stencil surface. */
void util_blitter_clear_depth_stencil(struct blitter_context *blitter,
struct pipe_surface *dstsurf,
unsigned clear_flags,
double depth,
unsigned stencil,
unsigned dstx, unsigned dsty,
unsigned width, unsigned height)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state;
struct pipe_stencil_ref sr = { { 0 } };
unsigned num_layers;
assert(dstsurf->texture);
if (!dstsurf->texture)
return;
/* check the saved state */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
pipe->bind_blend_state(pipe, ctx->blend[0][0]);
if ((clear_flags & PIPE_CLEAR_DEPTHSTENCIL) == PIPE_CLEAR_DEPTHSTENCIL) {
sr.ref_value[0] = stencil & 0xff;
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_stencil);
pipe->set_stencil_ref(pipe, sr);
}
else if (clear_flags & PIPE_CLEAR_DEPTH) {
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_write_depth_keep_stencil);
}
else if (clear_flags & PIPE_CLEAR_STENCIL) {
sr.ref_value[0] = stencil & 0xff;
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_write_stencil);
pipe->set_stencil_ref(pipe, sr);
}
else
/* hmm that should be illegal probably, or make it a no-op somewhere */
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
bind_fs_empty(ctx);
/* set a framebuffer state */
fb_state.width = dstsurf->width;
fb_state.height = dstsurf->height;
fb_state.nr_cbufs = 0;
fb_state.cbufs[0] = NULL;
fb_state.zsbuf = dstsurf;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
num_layers = dstsurf->u.tex.last_layer - dstsurf->u.tex.first_layer + 1;
if (num_layers > 1 && ctx->has_layered) {
blitter_set_common_draw_rect_state(ctx, false, false);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_layered,
dstx, dsty, dstx+width, dsty+height, depth,
num_layers, UTIL_BLITTER_ATTRIB_NONE, NULL);
} else {
blitter_set_common_draw_rect_state(ctx, false, false);
blitter->draw_rectangle(blitter, ctx->velem_state,
get_vs_passthrough_pos,
dstx, dsty, dstx+width, dsty+height, depth, 1,
UTIL_BLITTER_ATTRIB_NONE, NULL);
}
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
/* draw a rectangle across a region using a custom dsa stage - for r600g */
void util_blitter_custom_depth_stencil(struct blitter_context *blitter,
struct pipe_surface *zsurf,
struct pipe_surface *cbsurf,
unsigned sample_mask,
void *dsa_stage, float depth)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state;
assert(zsurf->texture);
if (!zsurf->texture)
return;
/* check the saved state */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
pipe->bind_blend_state(pipe, cbsurf ? ctx->blend[PIPE_MASK_RGBA][0] :
ctx->blend[0][0]);
pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage);
if (cbsurf)
bind_fs_write_one_cbuf(ctx);
else
bind_fs_empty(ctx);
/* set a framebuffer state */
fb_state.width = zsurf->width;
fb_state.height = zsurf->height;
fb_state.nr_cbufs = 1;
if (cbsurf) {
fb_state.cbufs[0] = cbsurf;
fb_state.nr_cbufs = 1;
} else {
fb_state.cbufs[0] = NULL;
fb_state.nr_cbufs = 0;
}
fb_state.zsbuf = zsurf;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, sample_mask);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_set_common_draw_rect_state(ctx, false,
util_framebuffer_get_num_samples(&fb_state) > 1);
blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos,
0, 0, zsurf->width, zsurf->height, depth,
1, UTIL_BLITTER_ATTRIB_NONE, NULL);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
void util_blitter_copy_buffer(struct blitter_context *blitter,
struct pipe_resource *dst,
unsigned dstx,
struct pipe_resource *src,
unsigned srcx,
unsigned size)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_vertex_buffer vb;
struct pipe_stream_output_target *so_target;
unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0};
if (srcx >= src->width0 ||
dstx >= dst->width0) {
return;
}
if (srcx + size > src->width0) {
size = src->width0 - srcx;
}
if (dstx + size > dst->width0) {
size = dst->width0 - dstx;
}
/* Drivers not capable of Stream Out should not call this function
* in the first place. */
assert(ctx->has_stream_out);
/* Some alignment is required. */
if (srcx % 4 != 0 || dstx % 4 != 0 || size % 4 != 0 ||
!ctx->has_stream_out) {
struct pipe_box box;
u_box_1d(srcx, size, &box);
util_resource_copy_region(pipe, dst, 0, dstx, 0, 0, src, 0, &box);
return;
}
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_disable_render_cond(ctx);
vb.is_user_buffer = false;
vb.buffer.resource = src;
vb.buffer_offset = srcx;
vb.stride = 4;
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 0, false, &vb);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]);
bind_vs_pos_only(ctx, 1);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
if (ctx->has_tessellation) {
pipe->bind_tcs_state(pipe, NULL);
pipe->bind_tes_state(pipe, NULL);
}
pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state);
so_target = pipe->create_stream_output_target(pipe, dst, dstx, size);
pipe->set_stream_output_targets(pipe, 1, &so_target, offsets);
util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
pipe_so_target_reference(&so_target, NULL);
}
void util_blitter_clear_buffer(struct blitter_context *blitter,
struct pipe_resource *dst,
unsigned offset, unsigned size,
unsigned num_channels,
const union pipe_color_union *clear_value)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_vertex_buffer vb = {0};
struct pipe_stream_output_target *so_target = NULL;
unsigned offsets[PIPE_MAX_SO_BUFFERS] = {0};
assert(num_channels >= 1);
assert(num_channels <= 4);
/* IMPORTANT: DON'T DO ANY BOUNDS CHECKING HERE!
*
* R600 uses this to initialize texture resources, so width0 might not be
* what you think it is.
*/
/* Streamout is required. */
if (!ctx->has_stream_out) {
assert(!"Streamout unsupported in util_blitter_clear_buffer()");
return;
}
/* Some alignment is required. */
if (offset % 4 != 0 || size % 4 != 0) {
assert(!"Bad alignment in util_blitter_clear_buffer()");
return;
}
u_upload_data(pipe->stream_uploader, 0, num_channels*4, 4, clear_value,
&vb.buffer_offset, &vb.buffer.resource);
if (!vb.buffer.resource)
goto out;
vb.stride = 0;
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_disable_render_cond(ctx);
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, 0, false, &vb);
pipe->bind_vertex_elements_state(pipe,
ctx->velem_state_readbuf[num_channels-1]);
bind_vs_pos_only(ctx, num_channels);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
if (ctx->has_tessellation) {
pipe->bind_tcs_state(pipe, NULL);
pipe->bind_tes_state(pipe, NULL);
}
pipe->bind_rasterizer_state(pipe, ctx->rs_discard_state);
so_target = pipe->create_stream_output_target(pipe, dst, offset, size);
pipe->set_stream_output_targets(pipe, 1, &so_target, offsets);
util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
out:
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
pipe_so_target_reference(&so_target, NULL);
pipe_resource_reference(&vb.buffer.resource, NULL);
}
/* probably radeon specific */
void util_blitter_custom_resolve_color(struct blitter_context *blitter,
struct pipe_resource *dst,
unsigned dst_level,
unsigned dst_layer,
struct pipe_resource *src,
unsigned src_layer,
unsigned sample_mask,
void *custom_blend,
enum pipe_format format)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state;
struct pipe_surface *srcsurf, *dstsurf, surf_tmpl;
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
pipe->bind_blend_state(pipe, custom_blend);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
bind_fs_write_one_cbuf(ctx);
pipe->set_sample_mask(pipe, sample_mask);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
memset(&surf_tmpl, 0, sizeof(surf_tmpl));
surf_tmpl.format = format;
surf_tmpl.u.tex.level = dst_level;
surf_tmpl.u.tex.first_layer = dst_layer;
surf_tmpl.u.tex.last_layer = dst_layer;
dstsurf = pipe->create_surface(pipe, dst, &surf_tmpl);
surf_tmpl.u.tex.level = 0;
surf_tmpl.u.tex.first_layer = src_layer;
surf_tmpl.u.tex.last_layer = src_layer;
srcsurf = pipe->create_surface(pipe, src, &surf_tmpl);
/* set a framebuffer state */
fb_state.width = src->width0;
fb_state.height = src->height0;
fb_state.nr_cbufs = 2;
fb_state.cbufs[0] = srcsurf;
fb_state.cbufs[1] = dstsurf;
fb_state.zsbuf = NULL;
pipe->set_framebuffer_state(pipe, &fb_state);
blitter_set_common_draw_rect_state(ctx, false,
util_framebuffer_get_num_samples(&fb_state) > 1);
blitter_set_dst_dimensions(ctx, src->width0, src->height0);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos,
0, 0, src->width0, src->height0,
0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
pipe_surface_reference(&srcsurf, NULL);
pipe_surface_reference(&dstsurf, NULL);
}
void util_blitter_custom_color(struct blitter_context *blitter,
struct pipe_surface *dstsurf,
void *custom_blend)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state;
assert(dstsurf->texture);
if (!dstsurf->texture)
return;
/* check the saved state */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
pipe->bind_blend_state(pipe, custom_blend ? custom_blend
: ctx->blend[PIPE_MASK_RGBA][0]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
bind_fs_write_one_cbuf(ctx);
/* set a framebuffer state */
fb_state.width = dstsurf->width;
fb_state.height = dstsurf->height;
fb_state.nr_cbufs = 1;
fb_state.cbufs[0] = dstsurf;
fb_state.zsbuf = NULL;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_set_common_draw_rect_state(ctx, false,
util_framebuffer_get_num_samples(&fb_state) > 1);
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
blitter->draw_rectangle(blitter, ctx->velem_state, get_vs_passthrough_pos,
0, 0, dstsurf->width, dstsurf->height,
0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
static void *get_custom_vs(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
return ctx->custom_vs;
}
/**
* Performs a custom blit to the destination surface, using the VS and FS
* provided.
*
* Used by vc4 for the 8-bit linear-to-tiled blit.
*/
void util_blitter_custom_shader(struct blitter_context *blitter,
struct pipe_surface *dstsurf,
void *custom_vs, void *custom_fs)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state = { 0 };
ctx->custom_vs = custom_vs;
assert(dstsurf->texture);
if (!dstsurf->texture)
return;
/* check the saved state */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* bind states */
pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
pipe->bind_fs_state(pipe, custom_fs);
/* set a framebuffer state */
fb_state.width = dstsurf->width;
fb_state.height = dstsurf->height;
fb_state.nr_cbufs = 1;
fb_state.cbufs[0] = dstsurf;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_set_common_draw_rect_state(ctx, false,
util_framebuffer_get_num_samples(&fb_state) > 1);
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
blitter->draw_rectangle(blitter, ctx->velem_state, get_custom_vs,
0, 0, dstsurf->width, dstsurf->height,
0, 1, UTIL_BLITTER_ATTRIB_NONE, NULL);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_unset_running_flag(blitter);
}
static void *
get_stencil_blit_fallback_fs(struct blitter_context_priv *ctx, bool msaa_src)
{
if (!ctx->fs_stencil_blit_fallback[msaa_src]) {
ctx->fs_stencil_blit_fallback[msaa_src] =
util_make_fs_stencil_blit(ctx->base.pipe, msaa_src);
}
return ctx->fs_stencil_blit_fallback[msaa_src];
}
static void *
get_stencil_blit_fallback_dsa(struct blitter_context_priv *ctx, unsigned i)
{
assert(i < ARRAY_SIZE(ctx->dsa_replicate_stencil_bit));
if (!ctx->dsa_replicate_stencil_bit[i]) {
struct pipe_depth_stencil_alpha_state dsa = { 0 };
dsa.depth_func = PIPE_FUNC_ALWAYS;
dsa.stencil[0].enabled = 1;
dsa.stencil[0].func = PIPE_FUNC_ALWAYS;
dsa.stencil[0].fail_op = PIPE_STENCIL_OP_REPLACE;
dsa.stencil[0].zpass_op = PIPE_STENCIL_OP_REPLACE;
dsa.stencil[0].zfail_op = PIPE_STENCIL_OP_REPLACE;
dsa.stencil[0].valuemask = 0xff;
dsa.stencil[0].writemask = 1u << i;
ctx->dsa_replicate_stencil_bit[i] =
ctx->base.pipe->create_depth_stencil_alpha_state(ctx->base.pipe, &dsa);
}
return ctx->dsa_replicate_stencil_bit[i];
}
/**
* Performs a series of draws to implement stencil blits texture without
* requiring stencil writes, updating a single bit per pixel at the time.
*/
void
util_blitter_stencil_fallback(struct blitter_context *blitter,
struct pipe_resource *dst,
unsigned dst_level,
const struct pipe_box *dstbox,
struct pipe_resource *src,
unsigned src_level,
const struct pipe_box *srcbox,
const struct pipe_scissor_state *scissor)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv *)blitter;
struct pipe_context *pipe = ctx->base.pipe;
/* check the saved state */
util_blitter_set_running_flag(blitter);
blitter_check_saved_vertex_states(ctx);
blitter_check_saved_fragment_states(ctx);
blitter_check_saved_fb_state(ctx);
blitter_disable_render_cond(ctx);
/* Initialize the surface. */
struct pipe_surface *dst_view, dst_templ;
util_blitter_default_dst_texture(&dst_templ, dst, dst_level, dstbox->z);
dst_view = pipe->create_surface(pipe, dst, &dst_templ);
/* Initialize the sampler view. */
struct pipe_sampler_view src_templ, *src_view;
util_blitter_default_src_texture(blitter, &src_templ, src, src_level);
src_templ.format = util_format_stencil_only(src_templ.format);
src_view = pipe->create_sampler_view(pipe, src, &src_templ);
/* bind states */
pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA][0]);
pipe->bind_fs_state(pipe,
get_stencil_blit_fallback_fs(ctx, src->nr_samples > 1));
/* set a framebuffer state */
struct pipe_framebuffer_state fb_state = { 0 };
fb_state.width = dstbox->width;
fb_state.height = dstbox->height;
fb_state.zsbuf = dst_view;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
if (pipe->set_min_samples)
pipe->set_min_samples(pipe, 1);
blitter_set_common_draw_rect_state(ctx, scissor != NULL,
util_framebuffer_get_num_samples(&fb_state) > 1);
blitter_set_dst_dimensions(ctx, dst_view->width, dst_view->height);
if (scissor) {
pipe->clear_depth_stencil(pipe, dst_view, PIPE_CLEAR_STENCIL, 0.0, 0,
MAX2(dstbox->x, scissor->minx),
MAX2(dstbox->y, scissor->miny),
MIN2(dstbox->x + dstbox->width, scissor->maxx) - dstbox->x,
MIN2(dstbox->y + dstbox->height, scissor->maxy) - dstbox->y,
true);
pipe->set_scissor_states(pipe, 0, 1, scissor);
} else {
pipe->clear_depth_stencil(pipe, dst_view, PIPE_CLEAR_STENCIL, 0.0, 0,
dstbox->x, dstbox->y,
dstbox->width, dstbox->height,
true);
}
pipe->set_sampler_views(pipe, PIPE_SHADER_FRAGMENT, 0, 1, 0, false, &src_view);
pipe->bind_sampler_states(pipe, PIPE_SHADER_FRAGMENT, 0, 1, &ctx->sampler_state);
unsigned stencil_bits =
util_format_get_component_bits(dst->format,
UTIL_FORMAT_COLORSPACE_ZS, 1);
struct pipe_stencil_ref sr = { { (1u << stencil_bits) - 1 } };
pipe->set_stencil_ref(pipe, sr);
union blitter_attrib coord;
get_texcoords(src_view, src->width0, src->height0,
srcbox->x, srcbox->y,
srcbox->x + srcbox->width, srcbox->y + srcbox->height,
srcbox->z, 0, true,
&coord);
for (int i = 0; i < stencil_bits; ++i) {
uint32_t mask = 1 << i;
struct pipe_constant_buffer cb = {
.user_buffer = &mask,
.buffer_size = sizeof(mask),
};
pipe->set_constant_buffer(pipe, PIPE_SHADER_FRAGMENT, blitter->cb_slot,
false, &cb);
pipe->bind_depth_stencil_alpha_state(pipe,
get_stencil_blit_fallback_dsa(ctx, i));
blitter->draw_rectangle(blitter, ctx->velem_state,
get_vs_passthrough_pos_generic,
dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height,
0, 1,
UTIL_BLITTER_ATTRIB_TEXCOORD_XYZW,
&coord);
}
if (scissor)
pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor);
util_blitter_restore_vertex_states(blitter);
util_blitter_restore_fragment_states(blitter);
util_blitter_restore_textures(blitter);
util_blitter_restore_fb_state(blitter);
util_blitter_restore_render_cond(blitter);
util_blitter_restore_constant_buffer_state(blitter);
util_blitter_unset_running_flag(blitter);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
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