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kolibrios-gitea/drivers/video/Gallium/auxiliary/util/u_blitter.c
Sergey Semyonov (Serge) edb28b33f3 Gallium 3D: initial commit 
git-svn-id: svn://kolibrios.org@3770 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-06 10:06:47 +00:00

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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 TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @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/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)
struct blitter_context_priv
{
struct blitter_context base;
struct u_upload_mgr *upload;
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_pos_only; /**< Vertex shader which passes pos to the output.*/
/* 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 index is PIPE_TEXTURE_* to be sampled. */
void *fs_texfetch_col[PIPE_MAX_TEXTURE_TYPES];
/* FS which outputs a depth from a texture,
where the index is PIPE_TEXTURE_* to be sampled. */
void *fs_texfetch_depth[PIPE_MAX_TEXTURE_TYPES];
void *fs_texfetch_depthstencil[PIPE_MAX_TEXTURE_TYPES];
void *fs_texfetch_stencil[PIPE_MAX_TEXTURE_TYPES];
/* FS which outputs one sample from a multisample texture. */
void *fs_texfetch_col_msaa[PIPE_MAX_TEXTURE_TYPES];
void *fs_texfetch_depth_msaa[PIPE_MAX_TEXTURE_TYPES];
void *fs_texfetch_depthstencil_msaa[PIPE_MAX_TEXTURE_TYPES];
void *fs_texfetch_stencil_msaa[PIPE_MAX_TEXTURE_TYPES];
/* Blend state. */
void *blend[PIPE_MASK_RGBA+1]; /**< blend state with writemask */
/* 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;
/* 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, *rs_state_scissor, *rs_discard_state;
/* Viewport state. */
struct pipe_viewport_state viewport;
/* Destination surface dimensions. */
unsigned dst_width;
unsigned dst_height;
boolean has_geometry_shader;
boolean has_stream_out;
boolean has_stencil_export;
boolean has_texture_multisample;
/* 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 *);
};
static struct pipe_surface *
util_blitter_get_next_surface_layer(struct pipe_context *pipe,
struct pipe_surface *surf);
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;
ctx = CALLOC_STRUCT(blitter_context_priv);
if (!ctx)
return NULL;
ctx->base.pipe = pipe;
ctx->base.draw_rectangle = util_blitter_draw_rectangle;
ctx->base.get_next_surface_layer = util_blitter_get_next_surface_layer;
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_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);
/* blend state objects */
memset(&blend, 0, sizeof(blend));
for (i = 0; i <= PIPE_MASK_RGBA; i++) {
blend.rt[0].colormask = i;
ctx->blend[i] = 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 = 1;
ctx->rs_state = pipe->create_rasterizer_state(pipe, &rs_state);
rs_state.scissor = 1;
ctx->rs_state_scissor = pipe->create_rasterizer_state(pipe, &rs_state);
if (ctx->has_stream_out) {
rs_state.scissor = 0;
rs_state.rasterizer_discard = 1;
ctx->rs_discard_state = pipe->create_rasterizer_state(pipe, &rs_state);
}
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]);
}
}
/* Fragment shaders are created on-demand, except these.
* The interpolation must be constant for integer texture clearing to work.
*/
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);
/* vertex shaders */
{
const uint 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);
}
if (ctx->has_stream_out) {
struct pipe_stream_output_info so;
const uint semantic_names[] = { TGSI_SEMANTIC_POSITION };
const uint semantic_indices[] = { 0 };
memset(&so, 0, sizeof(so));
so.num_outputs = 1;
so.output[0].num_components = 1;
so.stride[0] = 1;
ctx->vs_pos_only =
util_make_vertex_passthrough_shader_with_so(pipe, 1, semantic_names,
semantic_indices, &so);
}
/* set invariant vertex coordinates */
for (i = 0; i < 4; i++)
ctx->vertices[i][0][3] = 1; /*v.w*/
ctx->upload = u_upload_create(pipe, 65536, 4, PIPE_BIND_VERTEX_BUFFER);
return &ctx->base;
}
void util_blitter_destroy(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = blitter->pipe;
int i;
for (i = 0; i <= PIPE_MASK_RGBA; i++) {
pipe->delete_blend_state(pipe, ctx->blend[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);
pipe->delete_rasterizer_state(pipe, ctx->rs_state);
pipe->delete_rasterizer_state(pipe, ctx->rs_state_scissor);
if (ctx->rs_discard_state)
pipe->delete_rasterizer_state(pipe, ctx->rs_discard_state);
pipe->delete_vs_state(pipe, ctx->vs);
if (ctx->vs_pos_only)
pipe->delete_vs_state(pipe, ctx->vs_pos_only);
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++) {
if (ctx->fs_texfetch_col[i])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_col[i]);
if (ctx->fs_texfetch_depth[i])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_depth[i]);
if (ctx->fs_texfetch_depthstencil[i])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_depthstencil[i]);
if (ctx->fs_texfetch_stencil[i])
ctx->delete_fs_state(pipe, ctx->fs_texfetch_stencil[i]);
}
ctx->delete_fs_state(pipe, ctx->fs_empty);
ctx->delete_fs_state(pipe, ctx->fs_write_one_cbuf);
ctx->delete_fs_state(pipe, ctx->fs_write_all_cbufs);
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);
u_upload_destroy(ctx->upload);
FREE(ctx);
}
void util_blitter_set_texture_multisample(struct blitter_context *blitter,
boolean supported)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
ctx->has_texture_multisample = supported;
}
static void blitter_set_running_flag(struct blitter_context_priv *ctx)
{
if (ctx->base.running) {
_debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
__LINE__);
}
ctx->base.running = TRUE;
}
static void blitter_unset_running_flag(struct blitter_context_priv *ctx)
{
if (!ctx->base.running) {
_debug_printf("u_blitter:%i: Caught recursion. This is a driver bug.\n",
__LINE__);
}
ctx->base.running = FALSE;
}
static void blitter_check_saved_vertex_states(struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_velem_state != INVALID_PTR);
assert(ctx->base.saved_vs != INVALID_PTR);
assert(!ctx->has_geometry_shader || ctx->base.saved_gs != INVALID_PTR);
assert(!ctx->has_stream_out || ctx->base.saved_num_so_targets != ~0);
assert(ctx->base.saved_rs_state != INVALID_PTR);
}
static void blitter_restore_vertex_states(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
unsigned i;
/* Vertex buffer. */
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1,
&ctx->base.saved_vertex_buffer);
pipe_resource_reference(&ctx->base.saved_vertex_buffer.buffer, NULL);
/* Vertex elements. */
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;
}
/* Stream outputs. */
if (ctx->has_stream_out) {
pipe->set_stream_output_targets(pipe,
ctx->base.saved_num_so_targets,
ctx->base.saved_so_targets, ~0);
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(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);
}
static void blitter_restore_fragment_states(struct blitter_context_priv *ctx)
{
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;
}
/* 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);
pipe->set_viewport_states(pipe, 0, 1, &ctx->base.saved_viewport);
}
static void blitter_check_saved_fb_state(struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_fb_state.nr_cbufs != ~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);
}
}
static void blitter_restore_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, 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;
}
}
static void blitter_restore_fb_state(struct blitter_context_priv *ctx)
{
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(struct blitter_context_priv *ctx)
{
assert(ctx->base.saved_num_sampler_states != ~0);
assert(ctx->base.saved_num_sampler_views != ~0);
}
static void blitter_restore_textures(struct blitter_context_priv *ctx)
{
struct pipe_context *pipe = ctx->base.pipe;
unsigned i;
/* Fragment sampler states. */
pipe->bind_fragment_sampler_states(pipe,
ctx->base.saved_num_sampler_states,
ctx->base.saved_sampler_states);
ctx->base.saved_num_sampler_states = ~0;
/* Fragment sampler views. */
pipe->set_fragment_sampler_views(pipe,
ctx->base.saved_num_sampler_views,
ctx->base.saved_sampler_views);
for (i = 0; i < ctx->base.saved_num_sampler_views; i++)
pipe_sampler_view_reference(&ctx->base.saved_sampler_views[i], NULL);
ctx->base.saved_num_sampler_views = ~0;
}
static void blitter_set_rectangle(struct blitter_context_priv *ctx,
int x1, int y1, int x2, int y2,
float depth)
{
int i;
/* 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*/
for (i = 0; i < 4; i++)
ctx->vertices[i][0][2] = depth; /*z*/
/* viewport */
ctx->viewport.scale[0] = 0.5f * ctx->dst_width;
ctx->viewport.scale[1] = 0.5f * ctx->dst_height;
ctx->viewport.scale[2] = 1.0f;
ctx->viewport.scale[3] = 1.0f;
ctx->viewport.translate[0] = 0.5f * ctx->dst_width;
ctx->viewport.translate[1] = 0.5f * ctx->dst_height;
ctx->viewport.translate[2] = 0.0f;
ctx->viewport.translate[3] = 0.0f;
ctx->base.pipe->set_viewport_states(ctx->base.pipe, 0, 1, &ctx->viewport);
}
static void blitter_set_clear_color(struct blitter_context_priv *ctx,
const union pipe_color_union *color)
{
int i;
if (color) {
for (i = 0; i < 4; i++) {
uint32_t *uiverts = (uint32_t *)ctx->vertices[i][1];
uiverts[0] = color->ui[0];
uiverts[1] = color->ui[1];
uiverts[2] = color->ui[2];
uiverts[3] = color->ui[3];
}
} else {
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][0] = 0;
ctx->vertices[i][1][1] = 0;
ctx->vertices[i][1][2] = 0;
ctx->vertices[i][1][3] = 0;
}
}
}
static void get_texcoords(struct pipe_sampler_view *src,
unsigned src_width0, unsigned src_height0,
int x1, int y1, int x2, int y2,
float out[4])
{
struct pipe_resource *tex = src->texture;
unsigned level = src->u.tex.first_level;
boolean normalized = tex->target != PIPE_TEXTURE_RECT &&
tex->nr_samples <= 1;
if (normalized) {
out[0] = x1 / (float)u_minify(src_width0, level);
out[1] = y1 / (float)u_minify(src_height0, level);
out[2] = x2 / (float)u_minify(src_width0, level);
out[3] = y2 / (float)u_minify(src_height0, level);
} else {
out[0] = (float) x1;
out[1] = (float) y1;
out[2] = (float) x2;
out[3] = (float) y2;
}
}
static void set_texcoords_in_vertices(const float coord[4],
float *out, unsigned stride)
{
out[0] = coord[0]; /*t0.s*/
out[1] = coord[1]; /*t0.t*/
out += stride;
out[0] = coord[2]; /*t1.s*/
out[1] = coord[1]; /*t1.t*/
out += stride;
out[0] = coord[2]; /*t2.s*/
out[1] = coord[3]; /*t2.t*/
out += stride;
out[0] = coord[0]; /*t3.s*/
out[1] = coord[3]; /*t3.t*/
}
static void blitter_set_texcoords(struct blitter_context_priv *ctx,
struct pipe_sampler_view *src,
unsigned src_width0, unsigned src_height0,
unsigned layer, unsigned sample,
int x1, int y1, int x2, int y2)
{
unsigned i;
float coord[4];
float face_coord[4][2];
get_texcoords(src, src_width0, src_height0, x1, y1, x2, y2, coord);
if (src->texture->target == PIPE_TEXTURE_CUBE ||
src->texture->target == PIPE_TEXTURE_CUBE_ARRAY) {
set_texcoords_in_vertices(coord, &face_coord[0][0], 2);
util_map_texcoords2d_onto_cubemap(layer % 6,
/* pointer, stride in floats */
&face_coord[0][0], 2,
&ctx->vertices[0][1][0], 8);
} else {
set_texcoords_in_vertices(coord, &ctx->vertices[0][1][0], 8);
}
/* Set the layer. */
switch (src->texture->target) {
case PIPE_TEXTURE_3D:
{
float r = layer / (float)u_minify(src->texture->depth0,
src->u.tex.first_level);
for (i = 0; i < 4; i++)
ctx->vertices[i][1][2] = r; /*r*/
}
break;
case PIPE_TEXTURE_1D_ARRAY:
for (i = 0; i < 4; i++)
ctx->vertices[i][1][1] = (float) layer; /*t*/
break;
case PIPE_TEXTURE_2D_ARRAY:
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][2] = (float) layer; /*r*/
ctx->vertices[i][1][3] = (float) sample; /*q*/
}
break;
case PIPE_TEXTURE_CUBE_ARRAY:
for (i = 0; i < 4; i++)
ctx->vertices[i][1][3] = (float) (layer / 6); /*w*/
break;
case PIPE_TEXTURE_2D:
for (i = 0; i < 4; i++) {
ctx->vertices[i][1][3] = (float) sample; /*r*/
}
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 *blitter_get_fs_texfetch_col(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned nr_samples)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (nr_samples > 1) {
void **shader = &ctx->fs_texfetch_col_msaa[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
nr_samples);
*shader = util_make_fs_blit_msaa_color(pipe, tgsi_tex);
}
return *shader;
} else {
void **shader = &ctx->fs_texfetch_col[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader =
util_make_fragment_tex_shader(pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR);
}
return *shader;
}
}
static INLINE
void *blitter_get_fs_texfetch_depth(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned nr_samples)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (nr_samples > 1) {
void **shader = &ctx->fs_texfetch_depth_msaa[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
nr_samples);
*shader =
util_make_fs_blit_msaa_depth(pipe, tgsi_tex);
}
return *shader;
} else {
void **shader = &ctx->fs_texfetch_depth[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader =
util_make_fragment_tex_shader_writedepth(pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR);
}
return *shader;
}
}
static INLINE
void *blitter_get_fs_texfetch_depthstencil(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned nr_samples)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (nr_samples > 1) {
void **shader = &ctx->fs_texfetch_depthstencil_msaa[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
nr_samples);
*shader =
util_make_fs_blit_msaa_depthstencil(pipe, tgsi_tex);
}
return *shader;
} else {
void **shader = &ctx->fs_texfetch_depthstencil[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader =
util_make_fragment_tex_shader_writedepthstencil(pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR);
}
return *shader;
}
}
static INLINE
void *blitter_get_fs_texfetch_stencil(struct blitter_context_priv *ctx,
enum pipe_texture_target target,
unsigned nr_samples)
{
struct pipe_context *pipe = ctx->base.pipe;
assert(target < PIPE_MAX_TEXTURE_TYPES);
if (nr_samples > 1) {
void **shader = &ctx->fs_texfetch_stencil_msaa[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target,
nr_samples);
*shader =
util_make_fs_blit_msaa_stencil(pipe, tgsi_tex);
}
return *shader;
} else {
void **shader = &ctx->fs_texfetch_stencil[target];
/* Create the fragment shader on-demand. */
if (!*shader) {
unsigned tgsi_tex = util_pipe_tex_to_tgsi_tex(target, 0);
*shader =
util_make_fragment_tex_shader_writestencil(pipe, tgsi_tex,
TGSI_INTERPOLATE_LINEAR);
}
return *shader;
}
}
void util_blitter_cache_all_shaders(struct blitter_context *blitter)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_screen *screen = blitter->pipe->screen;
unsigned i, target, max_samples;
boolean 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 (i = 1; i <= max_samples; i++) {
for (target = PIPE_TEXTURE_1D; target < PIPE_MAX_TEXTURE_TYPES; target++) {
if (!has_arraytex &&
(target == PIPE_TEXTURE_1D_ARRAY ||
target == PIPE_TEXTURE_2D_ARRAY)) {
continue;
}
if (!has_cubearraytex &&
(target == PIPE_TEXTURE_CUBE_ARRAY))
continue;
if (i > 1 &&
(target != PIPE_TEXTURE_2D &&
target != PIPE_TEXTURE_2D_ARRAY))
continue;
blitter_get_fs_texfetch_col(ctx, target, i);
blitter_get_fs_texfetch_depth(ctx, target, i);
if (ctx->has_stencil_export) {
blitter_get_fs_texfetch_depthstencil(ctx, target, i);
blitter_get_fs_texfetch_stencil(ctx, target, i);
}
}
}
}
static void blitter_set_common_draw_rect_state(struct blitter_context_priv *ctx,
boolean scissor)
{
struct pipe_context *pipe = ctx->base.pipe;
pipe->bind_rasterizer_state(pipe, scissor ? ctx->rs_state_scissor
: ctx->rs_state);
pipe->bind_vs_state(pipe, ctx->vs);
if (ctx->has_geometry_shader)
pipe->bind_gs_state(pipe, NULL);
if (ctx->has_stream_out)
pipe->set_stream_output_targets(pipe, 0, NULL, 0);
}
static void blitter_draw(struct blitter_context_priv *ctx,
int x1, int y1, int x2, int y2, float depth)
{
struct pipe_resource *buf = NULL;
unsigned offset = 0;
blitter_set_rectangle(ctx, x1, y1, x2, y2, depth);
u_upload_data(ctx->upload, 0, sizeof(ctx->vertices), ctx->vertices,
&offset, &buf);
u_upload_unmap(ctx->upload);
util_draw_vertex_buffer(ctx->base.pipe, NULL, buf, ctx->base.vb_slot,
offset, PIPE_PRIM_TRIANGLE_FAN, 4, 2);
pipe_resource_reference(&buf, NULL);
}
void util_blitter_draw_rectangle(struct blitter_context *blitter,
int x1, int y1, int x2, int y2, float depth,
enum blitter_attrib_type type,
const union pipe_color_union *attrib)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
switch (type) {
case UTIL_BLITTER_ATTRIB_COLOR:
blitter_set_clear_color(ctx, attrib);
break;
case UTIL_BLITTER_ATTRIB_TEXCOORD:
set_texcoords_in_vertices(attrib->f, &ctx->vertices[0][1][0], 8);
break;
default:;
}
blitter_draw(ctx, x1, y1, x2, y2, depth);
}
static void util_blitter_clear_custom(struct blitter_context *blitter,
unsigned width, unsigned height,
unsigned clear_buffers,
const union pipe_color_union *color,
double depth, unsigned stencil,
void *custom_blend, void *custom_dsa)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_stencil_ref sr = { { 0 } };
blitter_set_running_flag(ctx);
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 if (clear_buffers & PIPE_CLEAR_COLOR) {
pipe->bind_blend_state(pipe, ctx->blend[PIPE_MASK_RGBA]);
} else {
pipe->bind_blend_state(pipe, ctx->blend[0]);
}
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);
}
sr.ref_value[0] = stencil & 0xff;
pipe->set_stencil_ref(pipe, &sr);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
ctx->bind_fs_state(pipe, ctx->fs_write_all_cbufs);
pipe->set_sample_mask(pipe, ~0);
blitter_set_common_draw_rect_state(ctx, FALSE);
blitter_set_dst_dimensions(ctx, width, height);
blitter->draw_rectangle(blitter, 0, 0, width, height, (float) depth,
UTIL_BLITTER_ATTRIB_COLOR, color);
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
}
void util_blitter_clear(struct blitter_context *blitter,
unsigned width, unsigned height,
unsigned clear_buffers,
const union pipe_color_union *color,
double depth, unsigned stencil)
{
util_blitter_clear_custom(blitter, width, height,
clear_buffers, color, depth, stencil,
NULL, NULL);
}
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, &color, depth, 0,
NULL, custom_dsa);
}
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 pipe_sampler_view *src_templ,
struct pipe_resource *src,
unsigned srclevel)
{
memset(src_templ, 0, sizeof(*src_templ));
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
: src->array_size - 1;
src_templ->swizzle_r = PIPE_SWIZZLE_RED;
src_templ->swizzle_g = PIPE_SWIZZLE_GREEN;
src_templ->swizzle_b = PIPE_SWIZZLE_BLUE;
src_templ->swizzle_a = PIPE_SWIZZLE_ALPHA;
}
static boolean 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);
boolean 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, 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, 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,
PIPE_BIND_SAMPLER_VIEW)) {
return FALSE;
}
}
}
}
return TRUE;
}
boolean util_blitter_is_copy_supported(struct blitter_context *blitter,
const struct pipe_resource *dst,
const struct pipe_resource *src,
unsigned mask)
{
return is_blit_generic_supported(blitter, dst, dst->format,
src, src->format, mask);
}
boolean 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, unsigned mask,
boolean copy_all_samples)
{
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(&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,
mask, PIPE_TEX_FILTER_NEAREST, NULL,
copy_all_samples);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, 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,
boolean copy_all_samples)
{
struct blitter_context_priv *ctx = (struct blitter_context_priv*)blitter;
struct pipe_context *pipe = ctx->base.pipe;
struct pipe_framebuffer_state fb_state;
enum pipe_texture_target src_target = src->texture->target;
unsigned src_samples = src->texture->nr_samples;
boolean has_depth, has_stencil, has_color;
boolean blit_stencil, blit_depth, blit_color;
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);
has_color = src_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS &&
dst_desc->colorspace != UTIL_FORMAT_COLORSPACE_ZS;
has_depth = util_format_has_depth(src_desc) &&
util_format_has_depth(dst_desc);
has_stencil = util_format_has_stencil(src_desc) &&
util_format_has_stencil(dst_desc);
blit_color = has_color && (mask & PIPE_MASK_RGBA);
blit_depth = has_depth && (mask & PIPE_MASK_Z);
blit_stencil = has_stencil && (mask & PIPE_MASK_S) &&
ctx->has_stencil_export;
if (!blit_stencil && !blit_depth && !blit_color) {
return;
}
/* Check whether the states are properly saved. */
blitter_set_running_flag(ctx);
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);
/* Initialize framebuffer state. */
fb_state.width = dst->width;
fb_state.height = dst->height;
fb_state.nr_cbufs = blit_depth || blit_stencil ? 0 : 1;
fb_state.cbufs[0] = NULL;
fb_state.zsbuf = NULL;
if (blit_depth || blit_stencil) {
pipe->bind_blend_state(pipe, ctx->blend[0]);
if (blit_depth && blit_stencil) {
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_stencil);
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_depthstencil(ctx, src_target,
src_samples));
} else if (blit_depth) {
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_write_depth_keep_stencil);
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_depth(ctx, src_target,
src_samples));
} else { /* is_stencil */
pipe->bind_depth_stencil_alpha_state(pipe,
ctx->dsa_keep_depth_write_stencil);
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_stencil(ctx, src_target,
src_samples));
}
} else {
pipe->bind_blend_state(pipe, ctx->blend[mask & PIPE_MASK_RGBA]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
ctx->bind_fs_state(pipe,
blitter_get_fs_texfetch_col(ctx, src_target,
src_samples));
}
/* Set the linear filter only for scaled color non-MSAA blits. */
if (filter == PIPE_TEX_FILTER_LINEAR &&
!blit_depth && !blit_stencil &&
src_samples <= 1 &&
(dstbox->width != abs(srcbox->width) ||
dstbox->height != abs(srcbox->height))) {
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 (blit_depth && blit_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_fragment_sampler_views(pipe, 2, views);
pipe->bind_fragment_sampler_states(pipe, 2, samplers);
pipe_sampler_view_reference(&views[1], NULL);
} else if (blit_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_fragment_sampler_views(pipe, 1, &view);
pipe->bind_fragment_sampler_states(pipe, 1, &sampler_state);
pipe_sampler_view_reference(&view, NULL);
} else {
pipe->set_fragment_sampler_views(pipe, 1, &src);
pipe->bind_fragment_sampler_states(pipe, 1, &sampler_state);
}
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
if (scissor) {
pipe->set_scissor_states(pipe, 0, 1, scissor);
}
blitter_set_common_draw_rect_state(ctx, scissor != NULL);
blitter_set_dst_dimensions(ctx, dst->width, dst->height);
if ((src_target == PIPE_TEXTURE_1D ||
src_target == PIPE_TEXTURE_2D ||
src_target == PIPE_TEXTURE_RECT) &&
src_samples <= 1) {
/* Draw the quad with the draw_rectangle callback. */
/* Set texture coordinates. - use a pipe color union
* for interface purposes.
* XXX pipe_color_union is a wrong name since we use that to set
* texture coordinates too.
*/
union pipe_color_union coord;
get_texcoords(src, src_width0, src_height0, srcbox->x, srcbox->y,
srcbox->x+srcbox->width, srcbox->y+srcbox->height, coord.f);
/* Set framebuffer state. */
if (blit_depth || blit_stencil) {
fb_state.zsbuf = dst;
} else {
fb_state.cbufs[0] = dst;
}
pipe->set_framebuffer_state(pipe, &fb_state);
/* Draw. */
pipe->set_sample_mask(pipe, ~0);
blitter->draw_rectangle(blitter, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height, 0,
UTIL_BLITTER_ATTRIB_TEXCOORD, &coord);
} else {
/* Draw the quad with the generic codepath. */
int z;
for (z = 0; z < dstbox->depth; z++) {
struct pipe_surface *old;
/* Set framebuffer state. */
if (blit_depth || blit_stencil) {
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 (copy_all_samples &&
src_samples == dst->texture->nr_samples &&
dst->texture->nr_samples > 1) {
unsigned i, max_sample = MAX2(dst->texture->nr_samples, 1) - 1;
for (i = 0; i <= max_sample; i++) {
pipe->set_sample_mask(pipe, 1 << i);
blitter_set_texcoords(ctx, src, src_width0, src_height0,
srcbox->z + z,
i, srcbox->x, srcbox->y,
srcbox->x + srcbox->width,
srcbox->y + srcbox->height);
blitter_draw(ctx, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height, 0);
}
} else {
pipe->set_sample_mask(pipe, ~0);
blitter_set_texcoords(ctx, src, src_width0, src_height0,
srcbox->z + z, 0,
srcbox->x, srcbox->y,
srcbox->x + srcbox->width,
srcbox->y + srcbox->height);
blitter_draw(ctx, dstbox->x, dstbox->y,
dstbox->x + dstbox->width,
dstbox->y + dstbox->height, 0);
}
/* Get the next surface or (if this is the last iteration)
* just unreference the last one. */
old = dst;
if (z < dstbox->depth-1) {
dst = ctx->base.get_next_surface_layer(ctx->base.pipe, dst);
}
if (z) {
pipe_surface_reference(&old, NULL);
}
}
}
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_textures(ctx);
blitter_restore_fb_state(ctx);
if (scissor) {
pipe->set_scissor_states(pipe, 0, 1, &ctx->base.saved_scissor);
}
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
}
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(&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, TRUE);
pipe_surface_reference(&dst_view, NULL);
pipe_sampler_view_reference(&src_view, NULL);
}
/* 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;
assert(dstsurf->texture);
if (!dstsurf->texture)
return;
/* check the saved state */
blitter_set_running_flag(ctx);
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]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
/* 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 = 0;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
blitter_set_common_draw_rect_state(ctx, FALSE);
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height, 0,
UTIL_BLITTER_ATTRIB_COLOR, color);
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_fb_state(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
}
/* 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 } };
assert(dstsurf->texture);
if (!dstsurf->texture)
return;
/* check the saved state */
blitter_set_running_flag(ctx);
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]);
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);
ctx->bind_fs_state(pipe, ctx->fs_empty);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
/* set a framebuffer state */
fb_state.width = dstsurf->width;
fb_state.height = dstsurf->height;
fb_state.nr_cbufs = 0;
fb_state.cbufs[0] = 0;
fb_state.zsbuf = dstsurf;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
blitter_set_common_draw_rect_state(ctx, FALSE);
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
blitter->draw_rectangle(blitter, dstx, dsty, dstx+width, dsty+height,
(float) depth,
UTIL_BLITTER_ATTRIB_NONE, NULL);
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_fb_state(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
}
/* 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 */
blitter_set_running_flag(ctx);
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] :
ctx->blend[0]);
pipe->bind_depth_stencil_alpha_state(pipe, dsa_stage);
ctx->bind_fs_state(pipe, ctx->fs_empty);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
/* 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);
blitter_set_common_draw_rect_state(ctx, FALSE);
blitter_set_dst_dimensions(ctx, zsurf->width, zsurf->height);
blitter->draw_rectangle(blitter, 0, 0, zsurf->width, zsurf->height, depth,
UTIL_BLITTER_ATTRIB_NONE, NULL);
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_fb_state(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
}
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;
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;
}
blitter_set_running_flag(ctx);
blitter_check_saved_vertex_states(ctx);
blitter_disable_render_cond(ctx);
vb.buffer = src;
vb.buffer_offset = srcx;
vb.stride = 4;
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state_readbuf[0]);
pipe->bind_vs_state(pipe, ctx->vs_pos_only);
if (ctx->has_geometry_shader)
pipe->bind_gs_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, 0);
util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
blitter_restore_vertex_states(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
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;
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(ctx->upload, 0, num_channels*4, clear_value,
&vb.buffer_offset, &vb.buffer);
vb.stride = 0;
blitter_set_running_flag(ctx);
blitter_check_saved_vertex_states(ctx);
blitter_disable_render_cond(ctx);
pipe->set_vertex_buffers(pipe, ctx->base.vb_slot, 1, &vb);
pipe->bind_vertex_elements_state(pipe,
ctx->velem_state_readbuf[num_channels-1]);
pipe->bind_vs_state(pipe, ctx->vs_pos_only);
if (ctx->has_geometry_shader)
pipe->bind_gs_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, 0);
util_draw_arrays(pipe, PIPE_PRIM_POINTS, 0, size / 4);
blitter_restore_vertex_states(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
pipe_so_target_reference(&so_target, NULL);
pipe_resource_reference(&vb.buffer, 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;
blitter_set_running_flag(ctx);
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);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf);
pipe->set_sample_mask(pipe, sample_mask);
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);
blitter_set_dst_dimensions(ctx, src->width0, src->height0);
blitter->draw_rectangle(blitter, 0, 0, src->width0, src->height0,
0, 0, NULL);
blitter_restore_fb_state(ctx);
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
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 */
blitter_set_running_flag(ctx);
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]);
pipe->bind_depth_stencil_alpha_state(pipe, ctx->dsa_keep_depth_stencil);
ctx->bind_fs_state(pipe, ctx->fs_write_one_cbuf);
pipe->bind_vertex_elements_state(pipe, ctx->velem_state);
pipe->set_sample_mask(pipe, (1ull << MAX2(1, dstsurf->texture->nr_samples)) - 1);
/* 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 = 0;
pipe->set_framebuffer_state(pipe, &fb_state);
pipe->set_sample_mask(pipe, ~0);
blitter_set_common_draw_rect_state(ctx, FALSE);
blitter_set_dst_dimensions(ctx, dstsurf->width, dstsurf->height);
blitter->draw_rectangle(blitter, 0, 0, dstsurf->width, dstsurf->height,
0, 0, NULL);
blitter_restore_vertex_states(ctx);
blitter_restore_fragment_states(ctx);
blitter_restore_fb_state(ctx);
blitter_restore_render_cond(ctx);
blitter_unset_running_flag(ctx);
}
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