diff options
Diffstat (limited to 'src/gallium/drivers/softpipe/sp_state_shader.c')
-rw-r--r-- | src/gallium/drivers/softpipe/sp_state_shader.c | 301 |
1 files changed, 301 insertions, 0 deletions
diff --git a/src/gallium/drivers/softpipe/sp_state_shader.c b/src/gallium/drivers/softpipe/sp_state_shader.c new file mode 100644 index 0000000000..7fff338cce --- /dev/null +++ b/src/gallium/drivers/softpipe/sp_state_shader.c @@ -0,0 +1,301 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +#include "sp_context.h" +#include "sp_state.h" +#include "sp_fs.h" +#include "sp_texture.h" + +#include "pipe/p_defines.h" +#include "util/u_memory.h" +#include "util/u_inlines.h" +#include "draw/draw_context.h" +#include "draw/draw_vs.h" +#include "draw/draw_gs.h" +#include "tgsi/tgsi_dump.h" +#include "tgsi/tgsi_exec.h" +#include "tgsi/tgsi_scan.h" +#include "tgsi/tgsi_parse.h" + + +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; + + /* 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; + + /* draw's fs state */ + state->draw_shader = draw_create_fragment_shader(softpipe->draw, templ); + if (!state->draw_shader) { + state->delete( 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; +} + + +static void +softpipe_bind_fs_state(struct pipe_context *pipe, void *fs) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + + draw_flush(softpipe->draw); + + if (softpipe->fs == fs) + return; + + draw_flush(softpipe->draw); + + softpipe->fs = fs; + + draw_bind_fragment_shader(softpipe->draw, + (softpipe->fs ? softpipe->fs->draw_shader : NULL)); + + softpipe->dirty |= SP_NEW_FS; +} + + +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; + + assert(fs != softpipe_context(pipe)->fs); + + if (softpipe->fs_machine->Tokens == state->shader.tokens) { + /* unbind the shader from the tgsi executor if we're + * deleting it. + */ + tgsi_exec_machine_bind_shader(softpipe->fs_machine, NULL, 0, NULL); + } + + draw_delete_fragment_shader(softpipe->draw, state->draw_shader); + + state->delete( state ); +} + + +static void * +softpipe_create_vs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + struct sp_vertex_shader *state; + + state = CALLOC_STRUCT(sp_vertex_shader); + if (state == NULL ) + goto fail; + + /* copy shader tokens, the ones passed in will go away. + */ + state->shader.tokens = tgsi_dup_tokens(templ->tokens); + if (state->shader.tokens == NULL) + goto fail; + + state->draw_data = draw_create_vertex_shader(softpipe->draw, templ); + if (state->draw_data == NULL) + goto fail; + + state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER]; + + return state; + +fail: + if (state) { + FREE( (void *)state->shader.tokens ); + FREE( state->draw_data ); + FREE( state ); + } + return NULL; +} + + +static void +softpipe_bind_vs_state(struct pipe_context *pipe, void *vs) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + + softpipe->vs = (struct sp_vertex_shader *) vs; + + draw_bind_vertex_shader(softpipe->draw, + (softpipe->vs ? softpipe->vs->draw_data : NULL)); + + softpipe->dirty |= SP_NEW_VS; +} + + +static void +softpipe_delete_vs_state(struct pipe_context *pipe, void *vs) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + + struct sp_vertex_shader *state = (struct sp_vertex_shader *) vs; + + draw_delete_vertex_shader(softpipe->draw, state->draw_data); + FREE( (void *)state->shader.tokens ); + FREE( state ); +} + + +static void * +softpipe_create_gs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + struct sp_geometry_shader *state; + + state = CALLOC_STRUCT(sp_geometry_shader); + if (state == NULL ) + goto fail; + + /* debug */ + if (softpipe->dump_gs) + tgsi_dump(templ->tokens, 0); + + /* copy shader tokens, the ones passed in will go away. + */ + state->shader.tokens = tgsi_dup_tokens(templ->tokens); + if (state->shader.tokens == NULL) + goto fail; + + state->draw_data = draw_create_geometry_shader(softpipe->draw, templ); + if (state->draw_data == NULL) + goto fail; + + state->max_sampler = state->draw_data->info.file_max[TGSI_FILE_SAMPLER]; + + return state; + +fail: + if (state) { + FREE( (void *)state->shader.tokens ); + FREE( state->draw_data ); + FREE( state ); + } + return NULL; +} + + +static void +softpipe_bind_gs_state(struct pipe_context *pipe, void *gs) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + + softpipe->gs = (struct sp_geometry_shader *)gs; + + draw_bind_geometry_shader(softpipe->draw, + (softpipe->gs ? softpipe->gs->draw_data : NULL)); + + softpipe->dirty |= SP_NEW_GS; +} + + +static void +softpipe_delete_gs_state(struct pipe_context *pipe, void *gs) +{ + struct softpipe_context *softpipe = softpipe_context(pipe); + + struct sp_geometry_shader *state = + (struct sp_geometry_shader *)gs; + + draw_delete_geometry_shader(softpipe->draw, + (state) ? state->draw_data : 0); + FREE(state); +} + + +static 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 +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; +} |