*
**************************************************************************/
- /* Wrap the cso cache & hash mechanisms in a simplified
+ /**
+ * @file
+ *
+ * Wrap the cso cache & hash mechanisms in a simplified
* pipe-driver-specific interface.
*
- * Authors:
- * Zack Rusin <zack@tungstengraphics.com>
- * Keith Whitwell <keith@tungstengraphics.com>
+ * @author Zack Rusin <zack@tungstengraphics.com>
+ * @author Keith Whitwell <keith@tungstengraphics.com>
*/
#include "pipe/p_state.h"
-#include "pipe/p_util.h"
+#include "util/u_memory.h"
+#include "pipe/p_inlines.h"
+#include "tgsi/tgsi_parse.h"
#include "cso_cache/cso_context.h"
#include "cso_cache/cso_cache.h"
void *samplers[PIPE_MAX_SAMPLERS];
unsigned nr_samplers;
- void *blend;
- void *depth_stencil;
- void *rasterizer;
- void *fragment_shader;
- void *vertex_shader;
+ void *samplers_saved[PIPE_MAX_SAMPLERS];
+ unsigned nr_samplers_saved;
+
+ struct pipe_texture *textures[PIPE_MAX_SAMPLERS];
+ uint nr_textures;
+
+ struct pipe_texture *textures_saved[PIPE_MAX_SAMPLERS];
+ uint nr_textures_saved;
+
+ /** 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;
+
+ struct pipe_framebuffer_state fb, fb_saved;
+ struct pipe_viewport_state vp, vp_saved;
+ struct pipe_blend_color blend_color;
};
+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_fs_state(struct cso_context *ctx, void *state)
+{
+ struct cso_fragment_shader *cso = (struct cso_fragment_shader *)state;
+ if (ctx->fragment_shader == cso->data)
+ return FALSE;
+ if (cso->delete_state)
+ cso->delete_state(cso->context, cso->data);
+ FREE(state);
+ return TRUE;
+}
+
+static boolean delete_vs_state(struct cso_context *ctx, void *state)
+{
+ struct cso_vertex_shader *cso = (struct cso_vertex_shader *)state;
+ if (ctx->vertex_shader == cso->data)
+ return TRUE;
+ if (cso->delete_state)
+ cso->delete_state(cso->context, cso->data);
+ FREE(state);
+ return FALSE;
+}
+
+
+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);
+ break;
+ case CSO_SAMPLER:
+ return delete_sampler_state(ctx, state);
+ break;
+ case CSO_DEPTH_STENCIL_ALPHA:
+ return delete_depth_stencil_state(ctx, state);
+ break;
+ case CSO_RASTERIZER:
+ return delete_rasterizer_state(ctx, state);
+ break;
+ case CSO_FRAGMENT_SHADER:
+ return delete_fs_state(ctx, state);
+ break;
+ case CSO_VERTEX_SHADER:
+ return delete_vs_state(ctx, state);
+ break;
+ 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);
+ }
+}
+
+
struct cso_context *cso_create_context( struct pipe_context *pipe )
{
struct cso_context *ctx = CALLOC_STRUCT(cso_context);
ctx->cache = cso_cache_create();
if (ctx->cache == NULL)
goto out;
+ cso_cache_set_sanitize_callback(ctx->cache,
+ sanitize_hash,
+ ctx);
ctx->pipe = pipe;
return NULL;
}
-static void cso_release_all( struct cso_context *ctx )
+
+/**
+ * Prior to context destruction, this function unbinds all state objects.
+ */
+void cso_release_all( struct cso_context *ctx )
{
+ unsigned i;
+
if (ctx->pipe) {
ctx->pipe->bind_blend_state( ctx->pipe, NULL );
ctx->pipe->bind_rasterizer_state( ctx->pipe, NULL );
ctx->pipe->bind_vs_state( ctx->pipe, NULL );
}
+ for (i = 0; i < PIPE_MAX_SAMPLERS; i++) {
+ pipe_texture_reference(&ctx->textures[i], NULL);
+ pipe_texture_reference(&ctx->textures_saved[i], NULL);
+ }
+
if (ctx->cache) {
cso_cache_delete( ctx->cache );
ctx->cache = NULL;
void cso_destroy_context( struct cso_context *ctx )
{
- if (ctx)
- cso_release_all( ctx );
-
- FREE( ctx );
+ if (ctx) {
+ //cso_release_all( ctx );
+ FREE( ctx );
+ }
}
* the data member of the cso to be the template itself.
*/
-void cso_set_blend(struct cso_context *ctx,
- const struct pipe_blend_state *templ)
+enum pipe_error cso_set_blend(struct cso_context *ctx,
+ const struct pipe_blend_state *templ)
{
unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_blend_state));
struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
if (cso_hash_iter_is_null(iter)) {
struct cso_blend *cso = MALLOC(sizeof(struct cso_blend));
+ if (!cso)
+ return PIPE_ERROR_OUT_OF_MEMORY;
- cso->state = *templ;
+ memcpy(&cso->state, templ, sizeof(*templ));
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 {
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_unset_blend(struct cso_context *ctx)
+void cso_restore_blend(struct cso_context *ctx)
{
- ctx->blend = NULL;
+ 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;
}
-void cso_single_sampler(struct cso_context *ctx,
- unsigned idx,
- const struct pipe_sampler_state *templ)
+
+enum pipe_error cso_single_sampler(struct cso_context *ctx,
+ unsigned idx,
+ const struct pipe_sampler_state *templ)
{
void *handle = NULL;
-
+
if (templ != NULL) {
unsigned hash_key = cso_construct_key((void*)templ, sizeof(struct pipe_sampler_state));
struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
if (cso_hash_iter_is_null(iter)) {
struct cso_sampler *cso = MALLOC(sizeof(struct cso_sampler));
-
- cso->state = *templ;
+ 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 {
}
ctx->samplers[idx] = handle;
+ return PIPE_OK;
}
void cso_single_sampler_done( struct cso_context *ctx )
{
- unsigned i;
+ unsigned i;
- for (i = 0; i < 8; i++)
- if (ctx->samplers[i] == NULL)
+ /* find highest non-null sampler */
+ for (i = PIPE_MAX_SAMPLERS; i > 0; i--) {
+ if (ctx->samplers[i - 1] != NULL)
break;
+ }
ctx->nr_samplers = i;
if (ctx->hw.nr_samplers != ctx->nr_samplers ||
- memcmp(ctx->hw.samplers,
- ctx->samplers,
+ memcmp(ctx->hw.samplers,
+ ctx->samplers,
ctx->nr_samplers * sizeof(void *)) != 0)
{
memcpy(ctx->hw.samplers, ctx->samplers, ctx->nr_samplers * sizeof(void *));
}
}
-void cso_set_samplers( struct cso_context *ctx,
- unsigned nr,
- const struct pipe_sampler_state **templates )
+/*
+ * 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 nr,
+ const struct pipe_sampler_state **templates )
{
unsigned i;
-
+ enum pipe_error temp, error = PIPE_OK;
+
/* TODO: fastpath
*/
- for (i = 0; i < nr; i++)
- cso_single_sampler( ctx, i, templates[i] );
+ for (i = 0; i < nr; i++) {
+ temp = cso_single_sampler( ctx, i, templates[i] );
+ if (temp != PIPE_OK)
+ error = temp;
+ }
- for ( ; i < ctx->nr_samplers; i++)
- cso_single_sampler( ctx, i, NULL );
-
+ for ( ; i < ctx->nr_samplers; i++) {
+ temp = cso_single_sampler( ctx, i, NULL );
+ if (temp != PIPE_OK)
+ error = temp;
+ }
+
+ cso_single_sampler_done( ctx );
+
+ return error;
+}
+
+void cso_save_samplers(struct cso_context *ctx)
+{
+ ctx->nr_samplers_saved = ctx->nr_samplers;
+ memcpy(ctx->samplers_saved, ctx->samplers, sizeof(ctx->samplers));
+}
+
+void cso_restore_samplers(struct cso_context *ctx)
+{
+ ctx->nr_samplers = ctx->nr_samplers_saved;
+ memcpy(ctx->samplers, ctx->samplers_saved, sizeof(ctx->samplers));
cso_single_sampler_done( ctx );
}
-void cso_unset_samplers( struct cso_context *ctx )
+
+enum pipe_error cso_set_sampler_textures( struct cso_context *ctx,
+ uint count,
+ struct pipe_texture **textures )
{
uint i;
- for (i = 0; i < ctx->nr_samplers; i++)
- ctx->samplers[i] = NULL;
+
+ ctx->nr_textures = count;
+
+ for (i = 0; i < count; i++)
+ pipe_texture_reference(&ctx->textures[i], textures[i]);
+ for ( ; i < PIPE_MAX_SAMPLERS; i++)
+ pipe_texture_reference(&ctx->textures[i], NULL);
+
+ ctx->pipe->set_sampler_textures(ctx->pipe, count, textures);
+
+ return PIPE_OK;
}
+void cso_save_sampler_textures( struct cso_context *ctx )
+{
+ uint i;
+ ctx->nr_textures_saved = ctx->nr_textures;
+ for (i = 0; i < ctx->nr_textures; i++) {
+ assert(!ctx->textures_saved[i]);
+ pipe_texture_reference(&ctx->textures_saved[i], ctx->textures[i]);
+ }
+}
-void cso_set_depth_stencil_alpha(struct cso_context *ctx,
- const struct pipe_depth_stencil_alpha_state *templ)
+void cso_restore_sampler_textures( struct cso_context *ctx )
+{
+ uint i;
+
+ ctx->nr_textures = ctx->nr_textures_saved;
+
+ for (i = 0; i < ctx->nr_textures; i++) {
+ pipe_texture_reference(&ctx->textures[i], NULL);
+ ctx->textures[i] = ctx->textures_saved[i];
+ ctx->textures_saved[i] = NULL;
+ }
+ for ( ; i < PIPE_MAX_SAMPLERS; i++)
+ pipe_texture_reference(&ctx->textures[i], NULL);
+
+ ctx->pipe->set_sampler_textures(ctx->pipe, ctx->nr_textures, ctx->textures);
+
+ ctx->nr_textures_saved = 0;
+}
+
+
+
+enum pipe_error cso_set_depth_stencil_alpha(struct cso_context *ctx,
+ const struct pipe_depth_stencil_alpha_state *templ)
{
unsigned hash_key = cso_construct_key((void*)templ,
sizeof(struct pipe_depth_stencil_alpha_state));
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;
- cso->state = *templ;
+ 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;
- cso_insert_state(ctx->cache, hash_key, CSO_DEPTH_STENCIL_ALPHA, cso);
+ 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 {
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_unset_depth_stencil_alpha(struct cso_context *ctx)
+void cso_restore_depth_stencil_alpha(struct cso_context *ctx)
{
- ctx->depth_stencil = NULL;
+ 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;
}
-void cso_set_rasterizer(struct cso_context *ctx,
- const struct pipe_rasterizer_state *templ)
+enum pipe_error cso_set_rasterizer(struct cso_context *ctx,
+ const struct pipe_rasterizer_state *templ)
{
unsigned hash_key = cso_construct_key((void*)templ,
sizeof(struct pipe_rasterizer_state));
if (cso_hash_iter_is_null(iter)) {
struct cso_rasterizer *cso = MALLOC(sizeof(struct cso_rasterizer));
+ if (!cso)
+ return PIPE_ERROR_OUT_OF_MEMORY;
- cso->state = *templ;
+ 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;
- cso_insert_state(ctx->cache, hash_key, CSO_RASTERIZER, cso);
+ 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 {
ctx->rasterizer = handle;
ctx->pipe->bind_rasterizer_state(ctx->pipe, handle);
}
+ return PIPE_OK;
}
-void cso_unset_rasterizer(struct cso_context *ctx)
+void cso_save_rasterizer(struct cso_context *ctx)
{
- ctx->rasterizer = NULL;
+ 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(struct cso_context *ctx,
- const struct pipe_shader_state *templ)
+enum pipe_error cso_set_fragment_shader_handle(struct cso_context *ctx,
+ void *handle )
{
- unsigned hash_key = cso_construct_key((void*)templ,
- sizeof(struct pipe_shader_state));
+ if (ctx->fragment_shader != handle) {
+ ctx->fragment_shader = handle;
+ ctx->pipe->bind_fs_state(ctx->pipe, handle);
+ }
+ return PIPE_OK;
+}
+
+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);
+}
+
+/* Not really working:
+ */
+#if 0
+enum pipe_error cso_set_fragment_shader(struct cso_context *ctx,
+ const struct pipe_shader_state *templ)
+{
+ const struct tgsi_token *tokens = templ->tokens;
+ unsigned num_tokens = tgsi_num_tokens(tokens);
+ size_t tokens_size = num_tokens*sizeof(struct tgsi_token);
+ unsigned hash_key = cso_construct_key((void*)tokens, tokens_size);
struct cso_hash_iter iter = cso_find_state_template(ctx->cache,
- hash_key, CSO_FRAGMENT_SHADER,
- (void*)templ);
+ hash_key,
+ CSO_FRAGMENT_SHADER,
+ (void*)tokens);
void *handle = NULL;
if (cso_hash_iter_is_null(iter)) {
- struct cso_fragment_shader *cso = MALLOC(sizeof(struct cso_fragment_shader));
+ struct cso_fragment_shader *cso = MALLOC(sizeof(struct cso_fragment_shader) + tokens_size);
+ struct tgsi_token *cso_tokens = (struct tgsi_token *)((char *)cso + sizeof(*cso));
- cso->state = *templ;
+ if (!cso)
+ return PIPE_ERROR_OUT_OF_MEMORY;
+
+ memcpy(cso_tokens, tokens, tokens_size);
+ cso->state.tokens = cso_tokens;
cso->data = ctx->pipe->create_fs_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_fs_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key, CSO_FRAGMENT_SHADER, cso);
+ if (cso_hash_iter_is_null(iter)) {
+ FREE(cso);
+ return PIPE_ERROR_OUT_OF_MEMORY;
+ }
+
handle = cso->data;
}
else {
handle = ((struct cso_fragment_shader *)cso_hash_iter_data(iter))->data;
}
- if (ctx->fragment_shader != handle) {
- ctx->fragment_shader = handle;
- ctx->pipe->bind_fs_state(ctx->pipe, handle);
+ return cso_set_fragment_shader_handle( ctx, handle );
+}
+#endif
+
+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_unset_fragment_shader(struct cso_context *ctx)
+
+enum pipe_error 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);
+ }
+ return PIPE_OK;
+}
+
+void cso_delete_vertex_shader(struct cso_context *ctx, void *handle )
{
- ctx->fragment_shader = NULL;
+ 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_set_vertex_shader(struct cso_context *ctx,
- const struct pipe_shader_state *templ)
+/* Not really working:
+ */
+#if 0
+enum pipe_error cso_set_vertex_shader(struct cso_context *ctx,
+ const struct pipe_shader_state *templ)
{
unsigned hash_key = cso_construct_key((void*)templ,
sizeof(struct pipe_shader_state));
if (cso_hash_iter_is_null(iter)) {
struct cso_vertex_shader *cso = MALLOC(sizeof(struct cso_vertex_shader));
- cso->state = *templ;
+ if (!cso)
+ return PIPE_ERROR_OUT_OF_MEMORY;
+
+ memcpy(cso->state, templ, sizeof(*templ));
cso->data = ctx->pipe->create_vs_state(ctx->pipe, &cso->state);
cso->delete_state = (cso_state_callback)ctx->pipe->delete_vs_state;
cso->context = ctx->pipe;
iter = cso_insert_state(ctx->cache, hash_key, CSO_VERTEX_SHADER, cso);
+ if (cso_hash_iter_is_null(iter)) {
+ FREE(cso);
+ return PIPE_ERROR_OUT_OF_MEMORY;
+ }
+
handle = cso->data;
}
else {
handle = ((struct cso_vertex_shader *)cso_hash_iter_data(iter))->data;
}
- if (ctx->vertex_shader != handle) {
- ctx->vertex_shader = handle;
- ctx->pipe->bind_vs_state(ctx->pipe, handle);
+ return cso_set_vertex_shader_handle( ctx, handle );
+}
+#endif
+
+
+
+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;
+}
+
+
+/**
+ * Copy framebuffer state from src to dst with refcounting of surfaces.
+ */
+static void
+copy_framebuffer_state(struct pipe_framebuffer_state *dst,
+ const struct pipe_framebuffer_state *src)
+{
+ uint i;
+
+ dst->width = src->width;
+ dst->height = src->height;
+ dst->num_cbufs = src->num_cbufs;
+ for (i = 0; i < PIPE_MAX_COLOR_BUFS; i++) {
+ pipe_surface_reference(&dst->cbufs[i], src->cbufs[i]);
+ }
+ pipe_surface_reference(&dst->zsbuf, src->zsbuf);
+}
+
+
+enum pipe_error cso_set_framebuffer(struct cso_context *ctx,
+ const struct pipe_framebuffer_state *fb)
+{
+ if (memcmp(&ctx->fb, fb, sizeof(*fb)) != 0) {
+ copy_framebuffer_state(&ctx->fb, fb);
+ ctx->pipe->set_framebuffer_state(ctx->pipe, fb);
+ }
+ return PIPE_OK;
+}
+
+void cso_save_framebuffer(struct cso_context *ctx)
+{
+ 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))) {
+ copy_framebuffer_state(&ctx->fb, &ctx->fb_saved);
+ ctx->pipe->set_framebuffer_state(ctx->pipe, &ctx->fb);
+ }
+}
+
+
+enum pipe_error 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_state(ctx->pipe, vp);
}
+ return PIPE_OK;
}
-void cso_unset_vertex_shader(struct cso_context *ctx)
+void cso_save_viewport(struct cso_context *ctx)
{
- ctx->vertex_shader = NULL;
+ 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_state(ctx->pipe, &ctx->vp);
+ }
+}
+
+
+
+
+enum pipe_error 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);
+ }
+ return PIPE_OK;
}
projects / mesa.git / blobdiff