#include "pipe/p_defines.h"
#include "util/u_memory.h"
#include "util/u_inlines.h"
+#include "util/u_pstipple.h"
#include "draw/draw_context.h"
#include "draw/draw_vs.h"
#include "draw/draw_gs.h"
#include "tgsi/tgsi_parse.h"
-void *
+/**
+ * Create a new fragment shader variant.
+ */
+static struct sp_fragment_shader_variant *
+create_fs_variant(struct softpipe_context *softpipe,
+ struct sp_fragment_shader *fs,
+ const struct sp_fragment_shader_variant_key *key)
+{
+ struct sp_fragment_shader_variant *var;
+ struct pipe_shader_state *stipple_fs = NULL, *curfs = &fs->shader;
+ unsigned unit = 0;
+
+#if DO_PSTIPPLE_IN_HELPER_MODULE
+ if (key->polygon_stipple) {
+ /* get new shader that implements polygon stippling */
+ stipple_fs = util_pstipple_create_fragment_shader(&softpipe->pipe,
+ curfs, &unit);
+ curfs = stipple_fs;
+ }
+#endif
+
+ /* codegen, create variant object */
+ var = softpipe_create_fs_variant_exec(softpipe, curfs);
+
+ if (var) {
+ var->key = *key;
+ var->tokens = tgsi_dup_tokens(curfs->tokens);
+ var->stipple_sampler_unit = unit;
+
+ tgsi_scan_shader(var->tokens, &var->info);
+
+ /* See comments elsewhere about draw fragment shaders */
+#if 0
+ /* draw's fs state */
+ var->draw_shader = draw_create_fragment_shader(softpipe->draw,
+ &fs->shader);
+ if (!var->draw_shader) {
+ var->delete(var);
+ FREE((void *) var->tokens);
+ return NULL;
+ }
+#endif
+
+ /* insert variant into linked list */
+ var->next = fs->variants;
+ fs->variants = var;
+ }
+
+ if (stipple_fs) {
+ FREE((void *) stipple_fs->tokens);
+ FREE(stipple_fs);
+ }
+
+ return var;
+}
+
+
+struct sp_fragment_shader_variant *
+softpipe_find_fs_variant(struct softpipe_context *sp,
+ struct sp_fragment_shader *fs,
+ const struct sp_fragment_shader_variant_key *key)
+{
+ struct sp_fragment_shader_variant *var;
+
+ for (var = fs->variants; var; var = var->next) {
+ if (memcmp(&var->key, key, sizeof(*key)) == 0) {
+ /* found it */
+ return var;
+ }
+ }
+
+ return create_fs_variant(sp, fs, key);
+}
+
+
+static void *
softpipe_create_fs_state(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
- struct sp_fragment_shader *state;
- unsigned i;
+ struct sp_fragment_shader *state = CALLOC_STRUCT(sp_fragment_shader);
/* debug */
if (softpipe->dump_fs)
tgsi_dump(templ->tokens, 0);
- /* codegen */
- state = softpipe_create_fs_sse( softpipe, templ );
- if (!state) {
- state = softpipe_create_fs_exec( softpipe, templ );
- }
-
- if (!state)
- return NULL;
+ /* we need to keep a local copy of the tokens */
+ state->shader.tokens = tgsi_dup_tokens(templ->tokens);
/* draw's fs state */
- state->draw_shader = draw_create_fragment_shader(softpipe->draw, templ);
+ state->draw_shader = draw_create_fragment_shader(softpipe->draw,
+ &state->shader);
if (!state->draw_shader) {
- state->delete( state );
+ FREE((void *) state->shader.tokens);
+ FREE(state);
return NULL;
}
- /* get/save the summary info for this shader */
- tgsi_scan_shader(templ->tokens, &state->info);
-
- for (i = 0; i < state->info.num_properties; ++i) {
- if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_ORIGIN)
- state->origin_lower_left = state->info.properties[i].data[0];
- else if (state->info.properties[i].name == TGSI_PROPERTY_FS_COORD_PIXEL_CENTER)
- state->pixel_center_integer = state->info.properties[i].data[0];
- }
-
return state;
}
-void
+static void
softpipe_bind_fs_state(struct pipe_context *pipe, void *fs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
-
- draw_flush(softpipe->draw);
+ struct sp_fragment_shader *state = (struct sp_fragment_shader *) fs;
if (softpipe->fs == fs)
return;
softpipe->fs = fs;
- draw_bind_fragment_shader(softpipe->draw,
- (softpipe->fs ? softpipe->fs->draw_shader : NULL));
+ /* This depends on the current fragment shader and must always be
+ * re-validated before use.
+ */
+ softpipe->fs_variant = NULL;
+
+ if (state)
+ draw_bind_fragment_shader(softpipe->draw,
+ state->draw_shader);
+ else
+ draw_bind_fragment_shader(softpipe->draw, NULL);
softpipe->dirty |= SP_NEW_FS;
}
-void
+static void
softpipe_delete_fs_state(struct pipe_context *pipe, void *fs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
struct sp_fragment_shader *state = fs;
+ struct sp_fragment_shader_variant *var, *next_var;
- assert(fs != softpipe_context(pipe)->fs);
+ assert(fs != softpipe->fs);
if (softpipe->fs_machine->Tokens == state->shader.tokens) {
/* unbind the shader from the tgsi executor if we're
tgsi_exec_machine_bind_shader(softpipe->fs_machine, NULL, 0, NULL);
}
+ /* delete variants */
+ for (var = state->variants; var; var = next_var) {
+ next_var = var->next;
+
+ assert(var != softpipe->fs_variant);
+
+ /* See comments elsewhere about draw fragment shaders */
+#if 0
+ draw_delete_fragment_shader(softpipe->draw, var->draw_shader);
+#endif
+
+ var->delete(var);
+ }
+
draw_delete_fragment_shader(softpipe->draw, state->draw_shader);
- state->delete( state );
+ FREE((void *) state->shader.tokens);
+ FREE(state);
}
-void *
+static void *
softpipe_create_vs_state(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
}
-void
+static void
softpipe_bind_vs_state(struct pipe_context *pipe, void *vs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
}
-void
+static void
softpipe_delete_vs_state(struct pipe_context *pipe, void *vs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
FREE( state );
}
-void
-softpipe_set_constant_buffer(struct pipe_context *pipe,
- uint shader, uint index,
- struct pipe_resource *constants)
-{
- struct softpipe_context *softpipe = softpipe_context(pipe);
- unsigned size = constants ? constants->width0 : 0;
- const void *data = constants ? softpipe_resource(constants)->data : NULL;
-
- assert(shader < PIPE_SHADER_TYPES);
-
- draw_flush(softpipe->draw);
-
- /* note: reference counting */
- pipe_resource_reference(&softpipe->constants[shader][index], constants);
-
- if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
- draw_set_mapped_constant_buffer(softpipe->draw, shader, index, data, size);
- }
-
- softpipe->mapped_constants[shader][index] = data;
- softpipe->const_buffer_size[shader][index] = size;
-
- softpipe->dirty |= SP_NEW_CONSTANTS;
-}
-
-void *
+static void *
softpipe_create_gs_state(struct pipe_context *pipe,
const struct pipe_shader_state *templ)
{
}
-void
+static void
softpipe_bind_gs_state(struct pipe_context *pipe, void *gs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
}
-void
+static void
softpipe_delete_gs_state(struct pipe_context *pipe, void *gs)
{
struct softpipe_context *softpipe = softpipe_context(pipe);
draw_delete_geometry_shader(softpipe->draw,
(state) ? state->draw_data : 0);
+
+ FREE((void *) state->shader.tokens);
FREE(state);
}
+
+
+static void
+softpipe_set_constant_buffer(struct pipe_context *pipe,
+ uint shader, uint index,
+ struct pipe_constant_buffer *cb)
+{
+ struct softpipe_context *softpipe = softpipe_context(pipe);
+ struct pipe_resource *constants = cb ? cb->buffer : NULL;
+ unsigned size;
+ const void *data;
+
+ if (cb && cb->user_buffer) {
+ constants = softpipe_user_buffer_create(pipe->screen,
+ (void *) cb->user_buffer,
+ cb->buffer_size,
+ PIPE_BIND_CONSTANT_BUFFER);
+ }
+
+ size = constants ? constants->width0 : 0;
+ data = constants ? softpipe_resource(constants)->data : NULL;
+
+ assert(shader < PIPE_SHADER_TYPES);
+
+ draw_flush(softpipe->draw);
+
+ /* note: reference counting */
+ pipe_resource_reference(&softpipe->constants[shader][index], constants);
+
+ if (shader == PIPE_SHADER_VERTEX || shader == PIPE_SHADER_GEOMETRY) {
+ draw_set_mapped_constant_buffer(softpipe->draw, shader, index, data, size);
+ }
+
+ softpipe->mapped_constants[shader][index] = data;
+ softpipe->const_buffer_size[shader][index] = size;
+
+ softpipe->dirty |= SP_NEW_CONSTANTS;
+
+ if (cb && cb->user_buffer) {
+ pipe_resource_reference(&constants, NULL);
+ }
+}
+
+
+void
+softpipe_init_shader_funcs(struct pipe_context *pipe)
+{
+ pipe->create_fs_state = softpipe_create_fs_state;
+ pipe->bind_fs_state = softpipe_bind_fs_state;
+ pipe->delete_fs_state = softpipe_delete_fs_state;
+
+ pipe->create_vs_state = softpipe_create_vs_state;
+ pipe->bind_vs_state = softpipe_bind_vs_state;
+ pipe->delete_vs_state = softpipe_delete_vs_state;
+
+ pipe->create_gs_state = softpipe_create_gs_state;
+ pipe->bind_gs_state = softpipe_bind_gs_state;
+ pipe->delete_gs_state = softpipe_delete_gs_state;
+
+ pipe->set_constant_buffer = softpipe_set_constant_buffer;
+}
projects / mesa.git / blobdiff