| 0,0 → 1,322 |
|---|
| /************************************************************************** |
| * |
| * Copyright 2003 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. |
| * |
| **************************************************************************/ |
| |
| /* |
| * Authors: |
| * Keith Whitwell <keith@tungstengraphics.com> |
| */ |
| |
| |
| #ifndef ST_PROGRAM_H |
| #define ST_PROGRAM_H |
| |
| #include "main/mtypes.h" |
| #include "program/program.h" |
| #include "pipe/p_state.h" |
| #include "st_context.h" |
| #include "st_glsl_to_tgsi.h" |
| |
| |
| /** Fragment program variant key */ |
| struct st_fp_variant_key |
| { |
| struct st_context *st; /**< variants are per-context */ |
| |
| /** for glBitmap */ |
| GLuint bitmap:1; /**< glBitmap variant? */ |
| |
| /** for glDrawPixels */ |
| GLuint drawpixels:1; /**< glDrawPixels variant */ |
| GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */ |
| GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */ |
| GLuint drawpixels_z:1; /**< glDrawPixels(GL_DEPTH) */ |
| GLuint drawpixels_stencil:1; /**< glDrawPixels(GL_STENCIL) */ |
| |
| /** for ARB_color_buffer_float */ |
| GLuint clamp_color:1; |
| }; |
| |
| |
| /** |
| * Variant of a fragment program. |
| */ |
| struct st_fp_variant |
| { |
| /** Parameters which generated this version of fragment program */ |
| struct st_fp_variant_key key; |
| |
| struct pipe_shader_state tgsi; |
| |
| /** Driver's compiled shader */ |
| void *driver_shader; |
| |
| /** For glBitmap variants */ |
| struct gl_program_parameter_list *parameters; |
| uint bitmap_sampler; |
| |
| /** next in linked list */ |
| struct st_fp_variant *next; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_fragment_program: |
| */ |
| struct st_fragment_program |
| { |
| struct gl_fragment_program Base; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| |
| struct st_fp_variant *variants; |
| }; |
| |
| |
| |
| /** Vertex program variant key */ |
| struct st_vp_variant_key |
| { |
| struct st_context *st; /**< variants are per-context */ |
| boolean passthrough_edgeflags; |
| |
| /** for ARB_color_buffer_float */ |
| boolean clamp_color; |
| }; |
| |
| |
| /** |
| * This represents a vertex program, especially translated to match |
| * the inputs of a particular fragment shader. |
| */ |
| struct st_vp_variant |
| { |
| /* Parameters which generated this translated version of a vertex |
| * shader: |
| */ |
| struct st_vp_variant_key key; |
| |
| /** |
| * TGSI tokens (to later generate a 'draw' module shader for |
| * selection/feedback/rasterpos) |
| */ |
| struct pipe_shader_state tgsi; |
| |
| /** Driver's compiled shader */ |
| void *driver_shader; |
| |
| /** For using our private draw module (glRasterPos) */ |
| struct draw_vertex_shader *draw_shader; |
| |
| /** Next in linked list */ |
| struct st_vp_variant *next; |
| |
| /** similar to that in st_vertex_program, but with edgeflags info too */ |
| GLuint num_inputs; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_fragment_program: |
| */ |
| struct st_vertex_program |
| { |
| struct gl_vertex_program Base; /**< The Mesa vertex program */ |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| |
| /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */ |
| GLuint input_to_index[VERT_ATTRIB_MAX]; |
| /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */ |
| GLuint index_to_input[PIPE_MAX_SHADER_INPUTS]; |
| GLuint num_inputs; |
| |
| /** Maps VARYING_SLOT_x to slot */ |
| GLuint result_to_output[VARYING_SLOT_MAX]; |
| ubyte output_semantic_name[VARYING_SLOT_MAX]; |
| ubyte output_semantic_index[VARYING_SLOT_MAX]; |
| GLuint num_outputs; |
| |
| /** List of translated variants of this vertex program. |
| */ |
| struct st_vp_variant *variants; |
| }; |
| |
| |
| |
| /** Geometry program variant key */ |
| struct st_gp_variant_key |
| { |
| struct st_context *st; /**< variants are per-context */ |
| /* no other fields yet */ |
| }; |
| |
| |
| /** |
| * Geometry program variant. |
| */ |
| struct st_gp_variant |
| { |
| /* Parameters which generated this translated version of a vertex */ |
| struct st_gp_variant_key key; |
| |
| void *driver_shader; |
| |
| struct st_gp_variant *next; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_geometry_program: |
| */ |
| struct st_geometry_program |
| { |
| struct gl_geometry_program Base; /**< The Mesa geometry program */ |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| |
| /** map GP input back to VP output */ |
| GLuint input_map[PIPE_MAX_SHADER_INPUTS]; |
| |
| /** maps a Mesa VARYING_SLOT_x to a packed TGSI input index */ |
| GLuint input_to_index[VARYING_SLOT_MAX]; |
| /** maps a TGSI input index back to a Mesa VARYING_SLOT_x */ |
| GLuint index_to_input[PIPE_MAX_SHADER_INPUTS]; |
| |
| GLuint num_inputs; |
| |
| GLuint input_to_slot[VARYING_SLOT_MAX]; /**< Maps VARYING_SLOT_x to slot */ |
| GLuint num_input_slots; |
| |
| ubyte input_semantic_name[PIPE_MAX_SHADER_INPUTS]; |
| ubyte input_semantic_index[PIPE_MAX_SHADER_INPUTS]; |
| |
| struct pipe_shader_state tgsi; |
| |
| struct st_gp_variant *variants; |
| }; |
| |
| |
| |
| static INLINE struct st_fragment_program * |
| st_fragment_program( struct gl_fragment_program *fp ) |
| { |
| return (struct st_fragment_program *)fp; |
| } |
| |
| |
| static INLINE struct st_vertex_program * |
| st_vertex_program( struct gl_vertex_program *vp ) |
| { |
| return (struct st_vertex_program *)vp; |
| } |
| |
| static INLINE struct st_geometry_program * |
| st_geometry_program( struct gl_geometry_program *gp ) |
| { |
| return (struct st_geometry_program *)gp; |
| } |
| |
| static INLINE void |
| st_reference_vertprog(struct st_context *st, |
| struct st_vertex_program **ptr, |
| struct st_vertex_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| static INLINE void |
| st_reference_geomprog(struct st_context *st, |
| struct st_geometry_program **ptr, |
| struct st_geometry_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| static INLINE void |
| st_reference_fragprog(struct st_context *st, |
| struct st_fragment_program **ptr, |
| struct st_fragment_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| |
| extern struct st_vp_variant * |
| st_get_vp_variant(struct st_context *st, |
| struct st_vertex_program *stvp, |
| const struct st_vp_variant_key *key); |
| |
| |
| extern struct st_fp_variant * |
| st_get_fp_variant(struct st_context *st, |
| struct st_fragment_program *stfp, |
| const struct st_fp_variant_key *key); |
| |
| |
| extern struct st_gp_variant * |
| st_get_gp_variant(struct st_context *st, |
| struct st_geometry_program *stgp, |
| const struct st_gp_variant_key *key); |
| |
| |
| extern void |
| st_prepare_vertex_program(struct gl_context *ctx, |
| struct st_vertex_program *stvp); |
| |
| extern GLboolean |
| st_prepare_fragment_program(struct gl_context *ctx, |
| struct st_fragment_program *stfp); |
| |
| |
| extern void |
| st_release_vp_variants( struct st_context *st, |
| struct st_vertex_program *stvp ); |
| |
| extern void |
| st_release_fp_variants( struct st_context *st, |
| struct st_fragment_program *stfp ); |
| |
| extern void |
| st_release_gp_variants(struct st_context *st, |
| struct st_geometry_program *stgp); |
| |
| |
| extern void |
| st_print_shaders(struct gl_context *ctx); |
| |
| extern void |
| st_destroy_program_variants(struct st_context *st); |
| |
| |
| extern void |
| st_print_current_vertex_program(void); |
| |
| |
| #endif |