diff options
Diffstat (limited to 'src/gallium/drivers/cell/ppu/cell_state_shader.c')
| -rw-r--r-- | src/gallium/drivers/cell/ppu/cell_state_shader.c | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/src/gallium/drivers/cell/ppu/cell_state_shader.c b/src/gallium/drivers/cell/ppu/cell_state_shader.c new file mode 100644 index 00000000000..bf517ea5635 --- /dev/null +++ b/src/gallium/drivers/cell/ppu/cell_state_shader.c @@ -0,0 +1,219 @@ +/************************************************************************** + * + * 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 "pipe/p_defines.h" +#include "util/u_memory.h" +#include "pipe/p_inlines.h" +#include "pipe/internal/p_winsys_screen.h" +#include "draw/draw_context.h" +#include "tgsi/tgsi_parse.h" + +#include "cell_context.h" +#include "cell_state.h" +#include "cell_gen_fp.h" + + +/** cast wrapper */ +static INLINE struct cell_fragment_shader_state * +cell_fragment_shader_state(void *shader) +{ + return (struct cell_fragment_shader_state *) shader; +} + + +/** cast wrapper */ +static INLINE struct cell_vertex_shader_state * +cell_vertex_shader_state(void *shader) +{ + return (struct cell_vertex_shader_state *) shader; +} + + +/** + * Create fragment shader state. + * Called via pipe->create_fs_state() + */ +static void * +cell_create_fs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct cell_context *cell = cell_context(pipe); + struct cell_fragment_shader_state *cfs; + + cfs = CALLOC_STRUCT(cell_fragment_shader_state); + if (!cfs) + return NULL; + + cfs->shader.tokens = tgsi_dup_tokens(templ->tokens); + if (!cfs->shader.tokens) { + FREE(cfs); + return NULL; + } + + tgsi_scan_shader(templ->tokens, &cfs->info); + + cell_gen_fragment_program(cell, cfs->shader.tokens, &cfs->code); + + return cfs; +} + + +/** + * Called via pipe->bind_fs_state() + */ +static void +cell_bind_fs_state(struct pipe_context *pipe, void *fs) +{ + struct cell_context *cell = cell_context(pipe); + + cell->fs = cell_fragment_shader_state(fs); + + cell->dirty |= CELL_NEW_FS; +} + + +/** + * Called via pipe->delete_fs_state() + */ +static void +cell_delete_fs_state(struct pipe_context *pipe, void *fs) +{ + struct cell_fragment_shader_state *cfs = cell_fragment_shader_state(fs); + + spe_release_func(&cfs->code); + + FREE((void *) cfs->shader.tokens); + FREE(cfs); +} + + +/** + * Create vertex shader state. + * Called via pipe->create_vs_state() + */ +static void * +cell_create_vs_state(struct pipe_context *pipe, + const struct pipe_shader_state *templ) +{ + struct cell_context *cell = cell_context(pipe); + struct cell_vertex_shader_state *cvs; + + cvs = CALLOC_STRUCT(cell_vertex_shader_state); + if (!cvs) + return NULL; + + cvs->shader.tokens = tgsi_dup_tokens(templ->tokens); + if (!cvs->shader.tokens) { + FREE(cvs); + return NULL; + } + + tgsi_scan_shader(templ->tokens, &cvs->info); + + cvs->draw_data = draw_create_vertex_shader(cell->draw, &cvs->shader); + if (cvs->draw_data == NULL) { + FREE( (void *) cvs->shader.tokens ); + FREE( cvs ); + return NULL; + } + + return cvs; +} + + +/** + * Called via pipe->bind_vs_state() + */ +static void +cell_bind_vs_state(struct pipe_context *pipe, void *vs) +{ + struct cell_context *cell = cell_context(pipe); + + cell->vs = cell_vertex_shader_state(vs); + + draw_bind_vertex_shader(cell->draw, + (cell->vs ? cell->vs->draw_data : NULL)); + + cell->dirty |= CELL_NEW_VS; +} + + +/** + * Called via pipe->delete_vs_state() + */ +static void +cell_delete_vs_state(struct pipe_context *pipe, void *vs) +{ + struct cell_context *cell = cell_context(pipe); + struct cell_vertex_shader_state *cvs = cell_vertex_shader_state(vs); + + draw_delete_vertex_shader(cell->draw, cvs->draw_data); + FREE( (void *) cvs->shader.tokens ); + FREE( cvs ); +} + + +/** + * Called via pipe->set_constant_buffer() + */ +static void +cell_set_constant_buffer(struct pipe_context *pipe, + uint shader, uint index, + const struct pipe_constant_buffer *buf) +{ + struct cell_context *cell = cell_context(pipe); + + assert(shader < PIPE_SHADER_TYPES); + assert(index == 0); + + draw_flush(cell->draw); + + /* note: reference counting */ + pipe_buffer_reference(pipe->screen, + &cell->constants[shader].buffer, + buf->buffer); + + if (shader == PIPE_SHADER_VERTEX) + cell->dirty |= CELL_NEW_VS_CONSTANTS; + else if (shader == PIPE_SHADER_FRAGMENT) + cell->dirty |= CELL_NEW_FS_CONSTANTS; +} + + +void +cell_init_shader_functions(struct cell_context *cell) +{ + cell->pipe.create_fs_state = cell_create_fs_state; + cell->pipe.bind_fs_state = cell_bind_fs_state; + cell->pipe.delete_fs_state = cell_delete_fs_state; + + cell->pipe.create_vs_state = cell_create_vs_state; + cell->pipe.bind_vs_state = cell_bind_vs_state; + cell->pipe.delete_vs_state = cell_delete_vs_state; + + cell->pipe.set_constant_buffer = cell_set_constant_buffer; +} |