| /************************************************************************** |
| * |
| * Copyright 2003 VMware, Inc. |
| * 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 VMWARE 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 <keithw@vmware.com> |
| */ |
| |
| |
| #ifndef ST_PROGRAM_H |
| #define ST_PROGRAM_H |
| |
| #include "main/mtypes.h" |
| #include "main/atifragshader.h" |
| #include "program/program.h" |
| #include "pipe/p_state.h" |
| #include "st_context.h" |
| #include "st_texture.h" |
| #include "st_glsl_to_tgsi.h" |
| |
| |
| #ifdef __cplusplus |
| extern "C" { |
| #endif |
| |
| #define ST_DOUBLE_ATTRIB_PLACEHOLDER 0xffffffff |
| |
| struct st_external_sampler_key |
| { |
| GLuint lower_nv12; /**< bitmask of 2 plane YUV samplers */ |
| GLuint lower_iyuv; /**< bitmask of 3 plane YUV samplers */ |
| }; |
| |
| static inline struct st_external_sampler_key |
| st_get_external_sampler_key(struct st_context *st, struct gl_program *prog) |
| { |
| unsigned mask = prog->ExternalSamplersUsed; |
| struct st_external_sampler_key key; |
| |
| memset(&key, 0, sizeof(key)); |
| |
| while (unlikely(mask)) { |
| unsigned unit = u_bit_scan(&mask); |
| struct st_texture_object *stObj = |
| st_get_texture_object(st->ctx, prog, unit); |
| |
| switch (st_get_view_format(stObj)) { |
| case PIPE_FORMAT_NV12: |
| key.lower_nv12 |= (1 << unit); |
| break; |
| case PIPE_FORMAT_IYUV: |
| key.lower_iyuv |= (1 << unit); |
| break; |
| default: |
| break; |
| } |
| } |
| |
| return key; |
| } |
| |
| /** 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? */ |
| |
| /** for ARB_color_buffer_float */ |
| GLuint clamp_color:1; |
| |
| /** for ARB_sample_shading */ |
| GLuint persample_shading:1; |
| |
| /** needed for ATI_fragment_shader */ |
| GLuint fog:2; |
| |
| /** needed for ATI_fragment_shader */ |
| char texture_targets[MAX_NUM_FRAGMENT_REGISTERS_ATI]; |
| |
| struct st_external_sampler_key external; |
| }; |
| |
| |
| /** |
| * Variant of a fragment program. |
| */ |
| struct st_fp_variant |
| { |
| /** Parameters which generated this version of fragment program */ |
| struct st_fp_variant_key key; |
| |
| /** Driver's compiled shader */ |
| void *driver_shader; |
| |
| /** For glBitmap variants */ |
| uint bitmap_sampler; |
| |
| /** For glDrawPixels variants */ |
| unsigned drawpix_sampler; |
| unsigned pixelmap_sampler; |
| |
| /** next in linked list */ |
| struct st_fp_variant *next; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_program: |
| */ |
| struct st_fragment_program |
| { |
| struct gl_program Base; |
| struct pipe_shader_state tgsi; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| struct ati_fragment_shader *ati_fs; |
| uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */ |
| |
| /* used when bypassing glsl_to_tgsi: */ |
| struct gl_shader_program *shader_program; |
| |
| 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_program: |
| */ |
| struct st_vertex_program |
| { |
| struct gl_program Base; /**< The Mesa vertex program */ |
| struct pipe_shader_state tgsi; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */ |
| |
| /* used when bypassing glsl_to_tgsi: */ |
| struct gl_shader_program *shader_program; |
| |
| /** maps a Mesa VERT_ATTRIB_x to a packed TGSI input index */ |
| /** 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]; |
| |
| /** List of translated variants of this vertex program. |
| */ |
| struct st_vp_variant *variants; |
| }; |
| |
| |
| |
| /** Key shared by all shaders except VP, FP */ |
| struct st_basic_variant_key |
| { |
| struct st_context *st; /**< variants are per-context */ |
| }; |
| |
| |
| /** |
| * Geometry program variant. |
| */ |
| struct st_basic_variant |
| { |
| /* Parameters which generated this variant. */ |
| struct st_basic_variant_key key; |
| |
| void *driver_shader; |
| |
| struct st_basic_variant *next; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_program: |
| */ |
| struct st_geometry_program |
| { |
| struct gl_program Base; /**< The Mesa geometry program */ |
| struct pipe_shader_state tgsi; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */ |
| |
| struct st_basic_variant *variants; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_program: |
| */ |
| struct st_tessctrl_program |
| { |
| struct gl_program Base; /**< The Mesa tess ctrl program */ |
| struct pipe_shader_state tgsi; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */ |
| |
| struct st_basic_variant *variants; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_program: |
| */ |
| struct st_tesseval_program |
| { |
| struct gl_program Base; /**< The Mesa tess eval program */ |
| struct pipe_shader_state tgsi; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */ |
| |
| struct st_basic_variant *variants; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_program: |
| */ |
| struct st_compute_program |
| { |
| struct gl_program Base; /**< The Mesa compute program */ |
| struct pipe_compute_state tgsi; |
| struct glsl_to_tgsi_visitor* glsl_to_tgsi; |
| uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */ |
| |
| struct st_basic_variant *variants; |
| }; |
| |
| |
| static inline struct st_fragment_program * |
| st_fragment_program( struct gl_program *fp ) |
| { |
| return (struct st_fragment_program *)fp; |
| } |
| |
| |
| static inline struct st_vertex_program * |
| st_vertex_program( struct gl_program *vp ) |
| { |
| return (struct st_vertex_program *)vp; |
| } |
| |
| static inline struct st_geometry_program * |
| st_geometry_program( struct gl_program *gp ) |
| { |
| return (struct st_geometry_program *)gp; |
| } |
| |
| static inline struct st_tessctrl_program * |
| st_tessctrl_program( struct gl_program *tcp ) |
| { |
| return (struct st_tessctrl_program *)tcp; |
| } |
| |
| static inline struct st_tesseval_program * |
| st_tesseval_program( struct gl_program *tep ) |
| { |
| return (struct st_tesseval_program *)tep; |
| } |
| |
| static inline struct st_compute_program * |
| st_compute_program( struct gl_program *cp ) |
| { |
| return (struct st_compute_program *)cp; |
| } |
| |
| 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); |
| } |
| |
| static inline void |
| st_reference_tesscprog(struct st_context *st, |
| struct st_tessctrl_program **ptr, |
| struct st_tessctrl_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| static inline void |
| st_reference_tesseprog(struct st_context *st, |
| struct st_tesseval_program **ptr, |
| struct st_tesseval_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| static inline void |
| st_reference_compprog(struct st_context *st, |
| struct st_compute_program **ptr, |
| struct st_compute_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| /** |
| * This defines mapping from Mesa VARYING_SLOTs to TGSI GENERIC slots. |
| */ |
| static inline unsigned |
| st_get_generic_varying_index(struct st_context *st, GLuint attr) |
| { |
| if (attr >= VARYING_SLOT_VAR0) { |
| if (st->needs_texcoord_semantic) |
| return attr - VARYING_SLOT_VAR0; |
| else |
| return 9 + (attr - VARYING_SLOT_VAR0); |
| } |
| if (attr == VARYING_SLOT_PNTC) { |
| assert(!st->needs_texcoord_semantic); |
| return 8; |
| } |
| if (attr >= VARYING_SLOT_TEX0 && attr <= VARYING_SLOT_TEX7) { |
| assert(!st->needs_texcoord_semantic); |
| return attr - VARYING_SLOT_TEX0; |
| } |
| |
| assert(0); |
| return 0; |
| } |
| |
| |
| 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_basic_variant * |
| st_get_cp_variant(struct st_context *st, |
| struct pipe_compute_state *tgsi, |
| struct st_basic_variant **variants); |
| |
| extern struct st_basic_variant * |
| st_get_basic_variant(struct st_context *st, |
| unsigned pipe_shader, |
| struct pipe_shader_state *tgsi, |
| struct st_basic_variant **variants); |
| |
| 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_cp_variants(struct st_context *st, |
| struct st_compute_program *stcp); |
| |
| extern void |
| st_release_basic_variants(struct st_context *st, GLenum target, |
| struct st_basic_variant **variants, |
| struct pipe_shader_state *tgsi); |
| |
| extern void |
| st_destroy_program_variants(struct st_context *st); |
| |
| extern bool |
| st_translate_vertex_program(struct st_context *st, |
| struct st_vertex_program *stvp); |
| |
| extern bool |
| st_translate_fragment_program(struct st_context *st, |
| struct st_fragment_program *stfp); |
| |
| extern bool |
| st_translate_geometry_program(struct st_context *st, |
| struct st_geometry_program *stgp); |
| |
| extern bool |
| st_translate_tessctrl_program(struct st_context *st, |
| struct st_tessctrl_program *sttcp); |
| |
| extern bool |
| st_translate_tesseval_program(struct st_context *st, |
| struct st_tesseval_program *sttep); |
| |
| extern bool |
| st_translate_compute_program(struct st_context *st, |
| struct st_compute_program *stcp); |
| |
| extern void |
| st_print_current_vertex_program(void); |
| |
| extern void |
| st_precompile_shader_variant(struct st_context *st, |
| struct gl_program *prog); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |