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kolibrios-fun/drivers/video/Gallium/auxiliary/cso_cache/cso_context.c

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Gallium 3D: softpipe driver git-svn-id: svn://kolibrios.org@3772 a494cfbc-eb01-0410-851d-a64ba20cac60
2013-07-06 14:52:42 +02:00
/**************************************************************************
*
* Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
/**
* @file
*
* Wrap the cso cache & hash mechanisms in a simplified
* pipe-driver-specific interface.
*
* @author Zack Rusin <zack@tungstengraphics.com>
* @author Keith Whitwell <keith@tungstengraphics.com>
*/
#include "pipe/p_state.h"
#include "util/u_draw.h"
#include "util/u_framebuffer.h"
#include "util/u_inlines.h"
#include "util/u_math.h"
#include "util/u_memory.h"
#include "util/u_vbuf.h"
#include "tgsi/tgsi_parse.h"
#include "cso_cache/cso_context.h"
#include "cso_cache/cso_cache.h"
#include "cso_cache/cso_hash.h"
#include "cso_context.h"
/**
* Info related to samplers and sampler views.
* We have one of these for fragment samplers and another for vertex samplers.
*/
struct sampler_info
{
struct {
void *samplers[PIPE_MAX_SAMPLERS];
unsigned nr_samplers;
} hw;
void *samplers[PIPE_MAX_SAMPLERS];
unsigned nr_samplers;
void *samplers_saved[PIPE_MAX_SAMPLERS];
unsigned nr_samplers_saved;
struct pipe_sampler_view *views[PIPE_MAX_SAMPLERS];
unsigned nr_views;
struct pipe_sampler_view *views_saved[PIPE_MAX_SAMPLERS];
unsigned nr_views_saved;
};
struct cso_context {
struct pipe_context *pipe;
struct cso_cache *cache;
struct u_vbuf *vbuf;
boolean has_geometry_shader;
boolean has_streamout;
struct sampler_info samplers[PIPE_SHADER_TYPES];
struct pipe_vertex_buffer aux_vertex_buffer_current;
struct pipe_vertex_buffer aux_vertex_buffer_saved;
unsigned aux_vertex_buffer_index;
struct pipe_constant_buffer aux_constbuf_current[PIPE_SHADER_TYPES];
struct pipe_constant_buffer aux_constbuf_saved[PIPE_SHADER_TYPES];
unsigned nr_so_targets;
struct pipe_stream_output_target *so_targets[PIPE_MAX_SO_BUFFERS];
unsigned nr_so_targets_saved;
struct pipe_stream_output_target *so_targets_saved[PIPE_MAX_SO_BUFFERS];
/** Current and saved state.
* The saved state is used as a 1-deep stack.
*/
void *blend, *blend_saved;
void *depth_stencil, *depth_stencil_saved;
void *rasterizer, *rasterizer_saved;
void *fragment_shader, *fragment_shader_saved;
void *vertex_shader, *vertex_shader_saved;
void *geometry_shader, *geometry_shader_saved;
void *velements, *velements_saved;
struct pipe_query *render_condition, *render_condition_saved;
uint render_condition_mode, render_condition_mode_saved;
boolean render_condition_cond, render_condition_cond_saved;
struct pipe_clip_state clip;
struct pipe_clip_state clip_saved;
struct pipe_framebuffer_state fb, fb_saved;
struct pipe_viewport_state vp, vp_saved;
struct pipe_blend_color blend_color;
unsigned sample_mask, sample_mask_saved;
struct pipe_stencil_ref stencil_ref, stencil_ref_saved;
};
static boolean delete_blend_state(struct cso_context *ctx, void *state)
{
struct cso_blend *cso = (struct cso_blend *)state;
if (ctx->blend == cso->data)
return FALSE;
if (cso->delete_state)
cso->delete_state(cso->context, cso->data);
FREE(state);
return TRUE;
}
static boolean delete_depth_stencil_state(struct cso_context *ctx, void *state)
{
struct cso_depth_stencil_alpha *cso =
(struct cso_depth_stencil_alpha *)state;
if (ctx->depth_stencil == cso->data)
return FALSE;
if (cso->delete_state)
cso->delete_state(cso->context, cso->data);
FREE(state);
return TRUE;
}
static boolean delete_sampler_state(struct cso_context *ctx, void *state)
{
struct cso_sampler *cso = (struct cso_sampler *)state;
if (cso->delete_state)
cso->delete_state(cso->context, cso->data);
FREE(state);
return TRUE;
}
static boolean delete_rasterizer_state(struct cso_context *ctx, void *state)
{
struct cso_rasterizer *cso = (struct cso_rasterizer *)state;
if (ctx->rasterizer == cso->data)
return FALSE;
if (cso->delete_state)
cso->delete_state(cso->context, cso->data);
FREE(state);
return TRUE;
}
static boolean delete_vertex_elements(struct cso_context *ctx,
void *state)
{
struct cso_velements *cso = (struct cso_velements *)state;
if (ctx->velements == cso->data)
return FALSE;
if (cso->delete_state)
cso->delete_state(cso->context, cso->data);
FREE(state);
return TRUE;
}
static INLINE boolean delete_cso(struct cso_context *ctx,
void *state, enum cso_cache_type type)
{
switch (type) {
case CSO_BLEND:
return delete_blend_state(ctx, state);
case CSO_SAMPLER:
return delete_sampler_state(ctx, state);
case CSO_DEPTH_STENCIL_ALPHA:
return delete_depth_stencil_state(ctx, state);
case CSO_RASTERIZER:
return delete_rasterizer_state(ctx, state);
case CSO_VELEMENTS:
return delete_vertex_elements(ctx, state);
default:
assert(0);
FREE(state);
}
return FALSE;
}
static INLINE void
sanitize_hash(struct cso_hash *hash, enum cso_cache_type type,
int max_size, void *user_data)
{
struct cso_context *ctx = (struct cso_context *)user_data;
/* if we're approach the maximum size, remove fourth of the entries
* otherwise every subsequent call will go through the same */
int hash_size = cso_hash_size(hash);
int max_entries = (max_size > hash_size) ? max_size : hash_size;
int to_remove = (max_size < max_entries) * max_entries/4;
struct cso_hash_iter iter = cso_hash_first_node(hash);
if (hash_size > max_size)
to_remove += hash_size - max_size;
while (to_remove) {
/*remove elements until we're good */
/*fixme: currently we pick the nodes to remove at random*/
void *cso = cso_hash_iter_data(iter);
if (delete_cso(ctx, cso, type)) {
iter = cso_hash_erase(hash, iter);
--to_remove;
} else
iter = cso_hash_iter_next(iter);
}
}
static void cso_init_vbuf(struct cso_context *cso)
{
struct u_vbuf_caps caps;
u_vbuf_get_caps(cso->pipe->screen, &caps);
/* Install u_vbuf if there is anything unsupported. */
if (!caps.buffer_offset_unaligned ||
!caps.buffer_stride_unaligned ||
!caps.velem_src_offset_unaligned ||
!caps.format_fixed32 ||
!caps.format_float16 ||
!caps.format_float64 ||
!caps.format_norm32 ||
!caps.format_scaled32 ||
!caps.user_vertex_buffers) {
cso->vbuf = u_vbuf_create(cso->pipe, &caps,
cso->aux_vertex_buffer_index);
}
}
struct cso_context *cso_create_context( struct pipe_context *pipe )
{
struct cso_context *ctx = CALLOC_STRUCT(cso_context);
if (ctx == NULL)
goto out;
ctx->cache = cso_cache_create();
if (ctx->cache == NULL)
goto out;
cso_cache_set_sanitize_callback(ctx->cache,
sanitize_hash,
ctx);
ctx->pipe = pipe;
ctx->sample_mask_saved = ~0;
ctx->aux_vertex_buffer_index = 0; /* 0 for now */
cso_init_vbuf(ctx);
/* Enable for testing: */
if (0) cso_set_maximum_cache_size( ctx->cache, 4 );
if (pipe->screen->get_shader_param(pipe->screen, PIPE_SHADER_GEOMETRY,
PIPE_SHADER_CAP_MAX_INSTRUCTIONS) > 0) {
ctx->has_geometry_shader = TRUE;
}
if (pipe->screen->get_param(pipe->screen,
PIPE_CAP_MAX_STREAM_OUTPUT_BUFFERS) != 0) {
ctx->has_streamout = TRUE;
}
return ctx;
out:
cso_destroy_context( ctx );
return NULL;
}
/**
* Prior to context destruction, this function unbinds all state objects.
*/
void cso_release_all( struct cso_context *ctx )
{
unsigned i, shader;
if (ctx->pipe) {
ctx->pipe->bind_blend_state( ctx->pipe, NULL );
ctx->pipe->bind_rasterizer_state( ctx->pipe, NULL );
ctx->pipe->bind_fragment_sampler_states( ctx->pipe, 0, NULL );
if (ctx->pipe->bind_vertex_sampler_states)
ctx->pipe->bind_vertex_sampler_states(ctx->pipe, 0, NULL);
ctx->pipe->bind_depth_stencil_alpha_state( ctx->pipe, NULL );
ctx->pipe->bind_fs_state( ctx->pipe, NULL );
ctx->pipe->bind_vs_state( ctx->pipe, NULL );
ctx->pipe->bind_vertex_elements_state( ctx->pipe, NULL );
ctx->pipe->set_fragment_sampler_views(ctx->pipe, 0, NULL);
if (ctx->pipe->set_vertex_sampler_views)
ctx->pipe->set_vertex_sampler_views(ctx->pipe, 0, NULL);
if (ctx->pipe->set_stream_output_targets)
ctx->pipe->set_stream_output_targets(ctx->pipe, 0, NULL, 0);
}
/* free fragment samplers, views */
for (shader = 0; shader < Elements(ctx->samplers); shader++) {
struct sampler_info *info = &ctx->samplers[shader];
for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
pipe_sampler_view_reference(&info->views[i], NULL);
pipe_sampler_view_reference(&info->views_saved[i], NULL);
}
}
util_unreference_framebuffer_state(&ctx->fb);
util_unreference_framebuffer_state(&ctx->fb_saved);
pipe_resource_reference(&ctx->aux_vertex_buffer_current.buffer, NULL);
pipe_resource_reference(&ctx->aux_vertex_buffer_saved.buffer, NULL);
for (i = 0; i < PIPE_SHADER_TYPES; i++) {
pipe_resource_reference(&ctx->aux_constbuf_current[i].buffer, NULL);
pipe_resource_reference(&ctx->aux_constbuf_saved[i].buffer, NULL);
}
for (i = 0; i < PIPE_MAX_SO_BUFFERS; i++) {
pipe_so_target_reference(&ctx->so_targets[i], NULL);
pipe_so_target_reference(&ctx->so_targets_saved[i], NULL);
}
if (ctx->cache) {
cso_cache_delete( ctx->cache );
ctx->cache = NULL;
}
}
/**
* Free the CSO context. NOTE: the state tracker should have previously called
* cso_release_all().
*/
void cso_destroy_context( struct cso_context *ctx )
{
if (ctx) {
if (ctx->vbuf)
u_vbuf_destroy(ctx->vbuf);
FREE( ctx );
}
}
/* Those function will either find the state of the given template
* in the cache or they will create a new state from the given
* template, insert it in the cache and return it.
*/
/*
* If the driver returns 0 from the create method then they will assign
* the data member of the cso to be the template itself.
*/
enum pipe_error cso_set_blend(struct cso_context *ctx,
const struct pipe_blend_state *templ)
{
unsigned key_size, hash_key;
struct cso_hash_iter iter;
void *handle;
key_size = templ->independent_blend_enable ?
sizeof(struct pipe_blend_state) :
(char *)&(templ->rt[1]) - (char *)templ;
hash_key = cso_construct_key((void*)templ, key_size);
iter = cso_find_state_template(ctx->cache, hash_key, CSO_BLEND,
(void*)templ, key_size);
if (cso_hash_iter_is_null(iter)) {
struct cso_blend *cso = MALLOC(sizeof(struct cso_blend));
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
memset(&cso->state, 0, sizeof cso->state);
memcpy(&cso->state, templ, key_size);
cso->data = ctx->pipe->create_blend_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_blend_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key, CSO_BLEND, cso);
if (cso_hash_iter_is_null(iter)) {
FREE(cso);
return PIPE_ERROR_OUT_OF_MEMORY;
}
handle = cso->data;
}
else {
handle = ((struct cso_blend *)cso_hash_iter_data(iter))->data;
}
if (ctx->blend != handle) {
ctx->blend = handle;
ctx->pipe->bind_blend_state(ctx->pipe, handle);
}
return PIPE_OK;
}
void cso_save_blend(struct cso_context *ctx)
{
assert(!ctx->blend_saved);
ctx->blend_saved = ctx->blend;
}
void cso_restore_blend(struct cso_context *ctx)
{
if (ctx->blend != ctx->blend_saved) {
ctx->blend = ctx->blend_saved;
ctx->pipe->bind_blend_state(ctx->pipe, ctx->blend_saved);
}
ctx->blend_saved = NULL;
}
enum pipe_error
cso_set_depth_stencil_alpha(struct cso_context *ctx,
const struct pipe_depth_stencil_alpha_state *templ)
{
unsigned key_size = sizeof(struct pipe_depth_stencil_alpha_state);
unsigned hash_key = cso_construct_key((void*)templ, key_size);
struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
hash_key,
CSO_DEPTH_STENCIL_ALPHA,
(void*)templ, key_size);
void *handle;
if (cso_hash_iter_is_null(iter)) {
struct cso_depth_stencil_alpha *cso =
MALLOC(sizeof(struct cso_depth_stencil_alpha));
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_depth_stencil_alpha_state(ctx->pipe,
&cso->state);
cso->delete_state =
(cso_state_callback)ctx->pipe->delete_depth_stencil_alpha_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key,
CSO_DEPTH_STENCIL_ALPHA, cso);
if (cso_hash_iter_is_null(iter)) {
FREE(cso);
return PIPE_ERROR_OUT_OF_MEMORY;
}
handle = cso->data;
}
else {
handle = ((struct cso_depth_stencil_alpha *)
cso_hash_iter_data(iter))->data;
}
if (ctx->depth_stencil != handle) {
ctx->depth_stencil = handle;
ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe, handle);
}
return PIPE_OK;
}
void cso_save_depth_stencil_alpha(struct cso_context *ctx)
{
assert(!ctx->depth_stencil_saved);
ctx->depth_stencil_saved = ctx->depth_stencil;
}
void cso_restore_depth_stencil_alpha(struct cso_context *ctx)
{
if (ctx->depth_stencil != ctx->depth_stencil_saved) {
ctx->depth_stencil = ctx->depth_stencil_saved;
ctx->pipe->bind_depth_stencil_alpha_state(ctx->pipe,
ctx->depth_stencil_saved);
}
ctx->depth_stencil_saved = NULL;
}
enum pipe_error cso_set_rasterizer(struct cso_context *ctx,
const struct pipe_rasterizer_state *templ)
{
unsigned key_size = sizeof(struct pipe_rasterizer_state);
unsigned hash_key = cso_construct_key((void*)templ, key_size);
struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
hash_key,
CSO_RASTERIZER,
(void*)templ, key_size);
void *handle = NULL;
if (cso_hash_iter_is_null(iter)) {
struct cso_rasterizer *cso = MALLOC(sizeof(struct cso_rasterizer));
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_rasterizer_state(ctx->pipe, &cso->state);
cso->delete_state =
(cso_state_callback)ctx->pipe->delete_rasterizer_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key, CSO_RASTERIZER, cso);
if (cso_hash_iter_is_null(iter)) {
FREE(cso);
return PIPE_ERROR_OUT_OF_MEMORY;
}
handle = cso->data;
}
else {
handle = ((struct cso_rasterizer *)cso_hash_iter_data(iter))->data;
}
if (ctx->rasterizer != handle) {
ctx->rasterizer = handle;
ctx->pipe->bind_rasterizer_state(ctx->pipe, handle);
}
return PIPE_OK;
}
void cso_save_rasterizer(struct cso_context *ctx)
{
assert(!ctx->rasterizer_saved);
ctx->rasterizer_saved = ctx->rasterizer;
}
void cso_restore_rasterizer(struct cso_context *ctx)
{
if (ctx->rasterizer != ctx->rasterizer_saved) {
ctx->rasterizer = ctx->rasterizer_saved;
ctx->pipe->bind_rasterizer_state(ctx->pipe, ctx->rasterizer_saved);
}
ctx->rasterizer_saved = NULL;
}
void cso_set_fragment_shader_handle(struct cso_context *ctx, void *handle )
{
if (ctx->fragment_shader != handle) {
ctx->fragment_shader = handle;
ctx->pipe->bind_fs_state(ctx->pipe, handle);
}
}
void cso_delete_fragment_shader(struct cso_context *ctx, void *handle )
{
if (handle == ctx->fragment_shader) {
/* unbind before deleting */
ctx->pipe->bind_fs_state(ctx->pipe, NULL);
ctx->fragment_shader = NULL;
}
ctx->pipe->delete_fs_state(ctx->pipe, handle);
}
void cso_save_fragment_shader(struct cso_context *ctx)
{
assert(!ctx->fragment_shader_saved);
ctx->fragment_shader_saved = ctx->fragment_shader;
}
void cso_restore_fragment_shader(struct cso_context *ctx)
{
if (ctx->fragment_shader_saved != ctx->fragment_shader) {
ctx->pipe->bind_fs_state(ctx->pipe, ctx->fragment_shader_saved);
ctx->fragment_shader = ctx->fragment_shader_saved;
}
ctx->fragment_shader_saved = NULL;
}
void cso_set_vertex_shader_handle(struct cso_context *ctx, void *handle)
{
if (ctx->vertex_shader != handle) {
ctx->vertex_shader = handle;
ctx->pipe->bind_vs_state(ctx->pipe, handle);
}
}
void cso_delete_vertex_shader(struct cso_context *ctx, void *handle )
{
if (handle == ctx->vertex_shader) {
/* unbind before deleting */
ctx->pipe->bind_vs_state(ctx->pipe, NULL);
ctx->vertex_shader = NULL;
}
ctx->pipe->delete_vs_state(ctx->pipe, handle);
}
void cso_save_vertex_shader(struct cso_context *ctx)
{
assert(!ctx->vertex_shader_saved);
ctx->vertex_shader_saved = ctx->vertex_shader;
}
void cso_restore_vertex_shader(struct cso_context *ctx)
{
if (ctx->vertex_shader_saved != ctx->vertex_shader) {
ctx->pipe->bind_vs_state(ctx->pipe, ctx->vertex_shader_saved);
ctx->vertex_shader = ctx->vertex_shader_saved;
}
ctx->vertex_shader_saved = NULL;
}
void cso_set_framebuffer(struct cso_context *ctx,
const struct pipe_framebuffer_state *fb)
{
if (memcmp(&ctx->fb, fb, sizeof(*fb)) != 0) {
util_copy_framebuffer_state(&ctx->fb, fb);
ctx->pipe->set_framebuffer_state(ctx->pipe, fb);
}
}
void cso_save_framebuffer(struct cso_context *ctx)
{
util_copy_framebuffer_state(&ctx->fb_saved, &ctx->fb);
}
void cso_restore_framebuffer(struct cso_context *ctx)
{
if (memcmp(&ctx->fb, &ctx->fb_saved, sizeof(ctx->fb))) {
util_copy_framebuffer_state(&ctx->fb, &ctx->fb_saved);
ctx->pipe->set_framebuffer_state(ctx->pipe, &ctx->fb);
util_unreference_framebuffer_state(&ctx->fb_saved);
}
}
void cso_set_viewport(struct cso_context *ctx,
const struct pipe_viewport_state *vp)
{
if (memcmp(&ctx->vp, vp, sizeof(*vp))) {
ctx->vp = *vp;
ctx->pipe->set_viewport_states(ctx->pipe, 0, 1, vp);
}
}
void cso_save_viewport(struct cso_context *ctx)
{
ctx->vp_saved = ctx->vp;
}
void cso_restore_viewport(struct cso_context *ctx)
{
if (memcmp(&ctx->vp, &ctx->vp_saved, sizeof(ctx->vp))) {
ctx->vp = ctx->vp_saved;
ctx->pipe->set_viewport_states(ctx->pipe, 0, 1, &ctx->vp);
}
}
void cso_set_blend_color(struct cso_context *ctx,
const struct pipe_blend_color *bc)
{
if (memcmp(&ctx->blend_color, bc, sizeof(ctx->blend_color))) {
ctx->blend_color = *bc;
ctx->pipe->set_blend_color(ctx->pipe, bc);
}
}
void cso_set_sample_mask(struct cso_context *ctx, unsigned sample_mask)
{
if (ctx->sample_mask != sample_mask) {
ctx->sample_mask = sample_mask;
ctx->pipe->set_sample_mask(ctx->pipe, sample_mask);
}
}
void cso_save_sample_mask(struct cso_context *ctx)
{
ctx->sample_mask_saved = ctx->sample_mask;
}
void cso_restore_sample_mask(struct cso_context *ctx)
{
cso_set_sample_mask(ctx, ctx->sample_mask_saved);
}
void cso_set_stencil_ref(struct cso_context *ctx,
const struct pipe_stencil_ref *sr)
{
if (memcmp(&ctx->stencil_ref, sr, sizeof(ctx->stencil_ref))) {
ctx->stencil_ref = *sr;
ctx->pipe->set_stencil_ref(ctx->pipe, sr);
}
}
void cso_save_stencil_ref(struct cso_context *ctx)
{
ctx->stencil_ref_saved = ctx->stencil_ref;
}
void cso_restore_stencil_ref(struct cso_context *ctx)
{
if (memcmp(&ctx->stencil_ref, &ctx->stencil_ref_saved,
sizeof(ctx->stencil_ref))) {
ctx->stencil_ref = ctx->stencil_ref_saved;
ctx->pipe->set_stencil_ref(ctx->pipe, &ctx->stencil_ref);
}
}
void cso_set_render_condition(struct cso_context *ctx,
struct pipe_query *query,
boolean condition, uint mode)
{
struct pipe_context *pipe = ctx->pipe;
if (ctx->render_condition != query ||
ctx->render_condition_mode != mode ||
ctx->render_condition_cond != condition) {
pipe->render_condition(pipe, query, condition, mode);
ctx->render_condition = query;
ctx->render_condition_cond = condition;
ctx->render_condition_mode = mode;
}
}
void cso_save_render_condition(struct cso_context *ctx)
{
ctx->render_condition_saved = ctx->render_condition;
ctx->render_condition_cond_saved = ctx->render_condition_cond;
ctx->render_condition_mode_saved = ctx->render_condition_mode;
}
void cso_restore_render_condition(struct cso_context *ctx)
{
cso_set_render_condition(ctx, ctx->render_condition_saved,
ctx->render_condition_cond_saved,
ctx->render_condition_mode_saved);
}
void cso_set_geometry_shader_handle(struct cso_context *ctx, void *handle)
{
assert(ctx->has_geometry_shader || !handle);
if (ctx->has_geometry_shader && ctx->geometry_shader != handle) {
ctx->geometry_shader = handle;
ctx->pipe->bind_gs_state(ctx->pipe, handle);
}
}
void cso_delete_geometry_shader(struct cso_context *ctx, void *handle)
{
if (handle == ctx->geometry_shader) {
/* unbind before deleting */
ctx->pipe->bind_gs_state(ctx->pipe, NULL);
ctx->geometry_shader = NULL;
}
ctx->pipe->delete_gs_state(ctx->pipe, handle);
}
void cso_save_geometry_shader(struct cso_context *ctx)
{
if (!ctx->has_geometry_shader) {
return;
}
assert(!ctx->geometry_shader_saved);
ctx->geometry_shader_saved = ctx->geometry_shader;
}
void cso_restore_geometry_shader(struct cso_context *ctx)
{
if (!ctx->has_geometry_shader) {
return;
}
if (ctx->geometry_shader_saved != ctx->geometry_shader) {
ctx->pipe->bind_gs_state(ctx->pipe, ctx->geometry_shader_saved);
ctx->geometry_shader = ctx->geometry_shader_saved;
}
ctx->geometry_shader_saved = NULL;
}
/* clip state */
static INLINE void
clip_state_cpy(struct pipe_clip_state *dst,
const struct pipe_clip_state *src)
{
memcpy(dst->ucp, src->ucp, sizeof(dst->ucp));
}
static INLINE int
clip_state_cmp(const struct pipe_clip_state *a,
const struct pipe_clip_state *b)
{
return memcmp(a->ucp, b->ucp, sizeof(a->ucp));
}
void
cso_set_clip(struct cso_context *ctx,
const struct pipe_clip_state *clip)
{
if (clip_state_cmp(&ctx->clip, clip)) {
clip_state_cpy(&ctx->clip, clip);
ctx->pipe->set_clip_state(ctx->pipe, clip);
}
}
void
cso_save_clip(struct cso_context *ctx)
{
clip_state_cpy(&ctx->clip_saved, &ctx->clip);
}
void
cso_restore_clip(struct cso_context *ctx)
{
if (clip_state_cmp(&ctx->clip, &ctx->clip_saved)) {
clip_state_cpy(&ctx->clip, &ctx->clip_saved);
ctx->pipe->set_clip_state(ctx->pipe, &ctx->clip_saved);
}
}
enum pipe_error
cso_set_vertex_elements(struct cso_context *ctx,
unsigned count,
const struct pipe_vertex_element *states)
{
struct u_vbuf *vbuf = ctx->vbuf;
unsigned key_size, hash_key;
struct cso_hash_iter iter;
void *handle;
struct cso_velems_state velems_state;
if (vbuf) {
u_vbuf_set_vertex_elements(vbuf, count, states);
return PIPE_OK;
}
/* Need to include the count into the stored state data too.
* Otherwise first few count pipe_vertex_elements could be identical
* even if count is different, and there's no guarantee the hash would
* be different in that case neither.
*/
key_size = sizeof(struct pipe_vertex_element) * count + sizeof(unsigned);
velems_state.count = count;
memcpy(velems_state.velems, states,
sizeof(struct pipe_vertex_element) * count);
hash_key = cso_construct_key((void*)&velems_state, key_size);
iter = cso_find_state_template(ctx->cache, hash_key, CSO_VELEMENTS,
(void*)&velems_state, key_size);
if (cso_hash_iter_is_null(iter)) {
struct cso_velements *cso = MALLOC(sizeof(struct cso_velements));
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
memcpy(&cso->state, &velems_state, key_size);
cso->data = ctx->pipe->create_vertex_elements_state(ctx->pipe, count,
&cso->state.velems[0]);
cso->delete_state =
(cso_state_callback) ctx->pipe->delete_vertex_elements_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key, CSO_VELEMENTS, cso);
if (cso_hash_iter_is_null(iter)) {
FREE(cso);
return PIPE_ERROR_OUT_OF_MEMORY;
}
handle = cso->data;
}
else {
handle = ((struct cso_velements *)cso_hash_iter_data(iter))->data;
}
if (ctx->velements != handle) {
ctx->velements = handle;
ctx->pipe->bind_vertex_elements_state(ctx->pipe, handle);
}
return PIPE_OK;
}
void cso_save_vertex_elements(struct cso_context *ctx)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_save_vertex_elements(vbuf);
return;
}
assert(!ctx->velements_saved);
ctx->velements_saved = ctx->velements;
}
void cso_restore_vertex_elements(struct cso_context *ctx)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_restore_vertex_elements(vbuf);
return;
}
if (ctx->velements != ctx->velements_saved) {
ctx->velements = ctx->velements_saved;
ctx->pipe->bind_vertex_elements_state(ctx->pipe, ctx->velements_saved);
}
ctx->velements_saved = NULL;
}
/* vertex buffers */
void cso_set_vertex_buffers(struct cso_context *ctx,
unsigned start_slot, unsigned count,
const struct pipe_vertex_buffer *buffers)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_set_vertex_buffers(vbuf, start_slot, count, buffers);
return;
}
/* Save what's in the auxiliary slot, so that we can save and restore it
* for meta ops. */
if (start_slot <= ctx->aux_vertex_buffer_index &&
start_slot+count > ctx->aux_vertex_buffer_index) {
if (buffers) {
const struct pipe_vertex_buffer *vb =
buffers + (ctx->aux_vertex_buffer_index - start_slot);
pipe_resource_reference(&ctx->aux_vertex_buffer_current.buffer,
vb->buffer);
memcpy(&ctx->aux_vertex_buffer_current, vb,
sizeof(struct pipe_vertex_buffer));
}
else {
pipe_resource_reference(&ctx->aux_vertex_buffer_current.buffer,
NULL);
ctx->aux_vertex_buffer_current.user_buffer = NULL;
}
}
ctx->pipe->set_vertex_buffers(ctx->pipe, start_slot, count, buffers);
}
void cso_save_aux_vertex_buffer_slot(struct cso_context *ctx)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_save_aux_vertex_buffer_slot(vbuf);
return;
}
pipe_resource_reference(&ctx->aux_vertex_buffer_saved.buffer,
ctx->aux_vertex_buffer_current.buffer);
memcpy(&ctx->aux_vertex_buffer_saved, &ctx->aux_vertex_buffer_current,
sizeof(struct pipe_vertex_buffer));
}
void cso_restore_aux_vertex_buffer_slot(struct cso_context *ctx)
{
struct u_vbuf *vbuf = ctx->vbuf;
if (vbuf) {
u_vbuf_restore_aux_vertex_buffer_slot(vbuf);
return;
}
cso_set_vertex_buffers(ctx, ctx->aux_vertex_buffer_index, 1,
&ctx->aux_vertex_buffer_saved);
pipe_resource_reference(&ctx->aux_vertex_buffer_saved.buffer, NULL);
}
unsigned cso_get_aux_vertex_buffer_slot(struct cso_context *ctx)
{
return ctx->aux_vertex_buffer_index;
}
/**************** fragment/vertex sampler view state *************************/
static enum pipe_error
single_sampler(struct cso_context *ctx,
struct sampler_info *info,
unsigned idx,
const struct pipe_sampler_state *templ)
{
void *handle = NULL;
if (templ != NULL) {
unsigned key_size = sizeof(struct pipe_sampler_state);
unsigned hash_key = cso_construct_key((void*)templ, key_size);
struct cso_hash_iter iter =
cso_find_state_template(ctx->cache,
hash_key, CSO_SAMPLER,
(void *) templ, key_size);
if (cso_hash_iter_is_null(iter)) {
struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler));
if (!cso)
return PIPE_ERROR_OUT_OF_MEMORY;
memcpy(&cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_sampler_state(ctx->pipe, &cso->state);
cso->delete_state =
(cso_state_callback) ctx->pipe->delete_sampler_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key, CSO_SAMPLER, cso);
if (cso_hash_iter_is_null(iter)) {
FREE(cso);
return PIPE_ERROR_OUT_OF_MEMORY;
}
handle = cso->data;
}
else {
handle = ((struct cso_sampler *)cso_hash_iter_data(iter))->data;
}
}
info->samplers[idx] = handle;
return PIPE_OK;
}
enum pipe_error
cso_single_sampler(struct cso_context *ctx,
unsigned shader_stage,
unsigned idx,
const struct pipe_sampler_state *templ)
{
return single_sampler(ctx, &ctx->samplers[shader_stage], idx, templ);
}
static void
single_sampler_done(struct cso_context *ctx, unsigned shader_stage)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i;
/* find highest non-null sampler */
for (i = PIPE_MAX_SAMPLERS; i > 0; i--) {
if (info->samplers[i - 1] != NULL)
break;
}
info->nr_samplers = i;
if (info->hw.nr_samplers != info->nr_samplers ||
memcmp(info->hw.samplers,
info->samplers,
info->nr_samplers * sizeof(void *)) != 0)
{
memcpy(info->hw.samplers,
info->samplers,
info->nr_samplers * sizeof(void *));
info->hw.nr_samplers = info->nr_samplers;
switch (shader_stage) {
case PIPE_SHADER_FRAGMENT:
ctx->pipe->bind_fragment_sampler_states(ctx->pipe,
info->nr_samplers,
info->samplers);
break;
case PIPE_SHADER_VERTEX:
ctx->pipe->bind_vertex_sampler_states(ctx->pipe,
info->nr_samplers,
info->samplers);
break;
case PIPE_SHADER_GEOMETRY:
ctx->pipe->bind_geometry_sampler_states(ctx->pipe,
info->nr_samplers,
info->samplers);
break;
default:
assert(!"bad shader type in single_sampler_done()");
}
}
}
void
cso_single_sampler_done(struct cso_context *ctx, unsigned shader_stage)
{
single_sampler_done(ctx, shader_stage);
}
/*
* If the function encouters any errors it will return the
* last one. Done to always try to set as many samplers
* as possible.
*/
enum pipe_error
cso_set_samplers(struct cso_context *ctx,
unsigned shader_stage,
unsigned nr,
const struct pipe_sampler_state **templates)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i;
enum pipe_error temp, error = PIPE_OK;
/* TODO: fastpath
*/
for (i = 0; i < nr; i++) {
temp = single_sampler(ctx, info, i, templates[i]);
if (temp != PIPE_OK)
error = temp;
}
for ( ; i < info->nr_samplers; i++) {
temp = single_sampler(ctx, info, i, NULL);
if (temp != PIPE_OK)
error = temp;
}
single_sampler_done(ctx, shader_stage);
return error;
}
void
cso_save_samplers(struct cso_context *ctx, unsigned shader_stage)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
info->nr_samplers_saved = info->nr_samplers;
memcpy(info->samplers_saved, info->samplers, sizeof(info->samplers));
}
void
cso_restore_samplers(struct cso_context *ctx, unsigned shader_stage)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
info->nr_samplers = info->nr_samplers_saved;
memcpy(info->samplers, info->samplers_saved, sizeof(info->samplers));
single_sampler_done(ctx, shader_stage);
}
void
cso_set_sampler_views(struct cso_context *ctx,
unsigned shader_stage,
unsigned count,
struct pipe_sampler_view **views)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i;
/* reference new views */
for (i = 0; i < count; i++) {
pipe_sampler_view_reference(&info->views[i], views[i]);
}
/* unref extra old views, if any */
for (; i < info->nr_views; i++) {
pipe_sampler_view_reference(&info->views[i], NULL);
}
info->nr_views = count;
/* bind the new sampler views */
switch (shader_stage) {
case PIPE_SHADER_FRAGMENT:
ctx->pipe->set_fragment_sampler_views(ctx->pipe, count, info->views);
break;
case PIPE_SHADER_VERTEX:
ctx->pipe->set_vertex_sampler_views(ctx->pipe, count, info->views);
break;
case PIPE_SHADER_GEOMETRY:
ctx->pipe->set_geometry_sampler_views(ctx->pipe, count, info->views);
break;
default:
assert(!"bad shader type in cso_set_sampler_views()");
}
}
void
cso_save_sampler_views(struct cso_context *ctx, unsigned shader_stage)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i;
info->nr_views_saved = info->nr_views;
for (i = 0; i < info->nr_views; i++) {
assert(!info->views_saved[i]);
pipe_sampler_view_reference(&info->views_saved[i], info->views[i]);
}
}
void
cso_restore_sampler_views(struct cso_context *ctx, unsigned shader_stage)
{
struct sampler_info *info = &ctx->samplers[shader_stage];
unsigned i, nr_saved = info->nr_views_saved;
for (i = 0; i < nr_saved; i++) {
pipe_sampler_view_reference(&info->views[i], NULL);
/* move the reference from one pointer to another */
info->views[i] = info->views_saved[i];
info->views_saved[i] = NULL;
}
for (; i < info->nr_views; i++) {
pipe_sampler_view_reference(&info->views[i], NULL);
}
/* bind the old/saved sampler views */
switch (shader_stage) {
case PIPE_SHADER_FRAGMENT:
ctx->pipe->set_fragment_sampler_views(ctx->pipe, nr_saved, info->views);
break;
case PIPE_SHADER_VERTEX:
ctx->pipe->set_vertex_sampler_views(ctx->pipe, nr_saved, info->views);
break;
case PIPE_SHADER_GEOMETRY:
ctx->pipe->set_geometry_sampler_views(ctx->pipe, nr_saved, info->views);
break;
default:
assert(!"bad shader type in cso_restore_sampler_views()");
}
info->nr_views = nr_saved;
info->nr_views_saved = 0;
}
void
cso_set_stream_outputs(struct cso_context *ctx,
unsigned num_targets,
struct pipe_stream_output_target **targets,
unsigned append_bitmask)
{
struct pipe_context *pipe = ctx->pipe;
uint i;
if (!ctx->has_streamout) {
assert(num_targets == 0);
return;
}
if (ctx->nr_so_targets == 0 && num_targets == 0) {
/* Nothing to do. */
return;
}
/* reference new targets */
for (i = 0; i < num_targets; i++) {
pipe_so_target_reference(&ctx->so_targets[i], targets[i]);
}
/* unref extra old targets, if any */
for (; i < ctx->nr_so_targets; i++) {
pipe_so_target_reference(&ctx->so_targets[i], NULL);
}
pipe->set_stream_output_targets(pipe, num_targets, targets,
append_bitmask);
ctx->nr_so_targets = num_targets;
}
void
cso_save_stream_outputs(struct cso_context *ctx)
{
uint i;
if (!ctx->has_streamout) {
return;
}
ctx->nr_so_targets_saved = ctx->nr_so_targets;
for (i = 0; i < ctx->nr_so_targets; i++) {
assert(!ctx->so_targets_saved[i]);
pipe_so_target_reference(&ctx->so_targets_saved[i], ctx->so_targets[i]);
}
}
void
cso_restore_stream_outputs(struct cso_context *ctx)
{
struct pipe_context *pipe = ctx->pipe;
uint i;
if (!ctx->has_streamout) {
return;
}
if (ctx->nr_so_targets == 0 && ctx->nr_so_targets_saved == 0) {
/* Nothing to do. */
return;
}
for (i = 0; i < ctx->nr_so_targets_saved; i++) {
pipe_so_target_reference(&ctx->so_targets[i], NULL);
/* move the reference from one pointer to another */
ctx->so_targets[i] = ctx->so_targets_saved[i];
ctx->so_targets_saved[i] = NULL;
}
for (; i < ctx->nr_so_targets; i++) {
pipe_so_target_reference(&ctx->so_targets[i], NULL);
}
/* ~0 means append */
pipe->set_stream_output_targets(pipe, ctx->nr_so_targets_saved,
ctx->so_targets, ~0);
ctx->nr_so_targets = ctx->nr_so_targets_saved;
ctx->nr_so_targets_saved = 0;
}
/* constant buffers */
void
cso_set_constant_buffer(struct cso_context *cso, unsigned shader_stage,
unsigned index, struct pipe_constant_buffer *cb)
{
struct pipe_context *pipe = cso->pipe;
pipe->set_constant_buffer(pipe, shader_stage, index, cb);
if (index == 0) {
util_copy_constant_buffer(&cso->aux_constbuf_current[shader_stage], cb);
}
}
void
cso_set_constant_buffer_resource(struct cso_context *cso,
unsigned shader_stage,
unsigned index,
struct pipe_resource *buffer)
{
if (buffer) {
struct pipe_constant_buffer cb;
cb.buffer = buffer;
cb.buffer_offset = 0;
cb.buffer_size = buffer->width0;
cb.user_buffer = NULL;
cso_set_constant_buffer(cso, shader_stage, index, &cb);
} else {
cso_set_constant_buffer(cso, shader_stage, index, NULL);
}
}
void
cso_save_constant_buffer_slot0(struct cso_context *cso,
unsigned shader_stage)
{
util_copy_constant_buffer(&cso->aux_constbuf_saved[shader_stage],
&cso->aux_constbuf_current[shader_stage]);
}
void
cso_restore_constant_buffer_slot0(struct cso_context *cso,
unsigned shader_stage)
{
cso_set_constant_buffer(cso, shader_stage, 0,
&cso->aux_constbuf_saved[shader_stage]);
pipe_resource_reference(&cso->aux_constbuf_saved[shader_stage].buffer,
NULL);
}
/* drawing */
void
cso_set_index_buffer(struct cso_context *cso,
const struct pipe_index_buffer *ib)
{
struct u_vbuf *vbuf = cso->vbuf;
if (vbuf) {
u_vbuf_set_index_buffer(vbuf, ib);
} else {
struct pipe_context *pipe = cso->pipe;
pipe->set_index_buffer(pipe, ib);
}
}
void
cso_draw_vbo(struct cso_context *cso,
const struct pipe_draw_info *info)
{
struct u_vbuf *vbuf = cso->vbuf;
if (vbuf) {
u_vbuf_draw_vbo(vbuf, info);
} else {
struct pipe_context *pipe = cso->pipe;
pipe->draw_vbo(pipe, info);
}
}
void
cso_draw_arrays(struct cso_context *cso, uint mode, uint start, uint count)
{
struct pipe_draw_info info;
util_draw_init_info(&info);
info.mode = mode;
info.start = start;
info.count = count;
info.min_index = start;
info.max_index = start + count - 1;
cso_draw_vbo(cso, &info);
}
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