| /************************************************************************** |
| * |
| * 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 "tgsi/tgsi_from_mesa.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 0xff |
| |
| struct st_external_sampler_key |
| { |
| GLuint lower_nv12; /**< bitmask of 2 plane YUV samplers */ |
| GLuint lower_iyuv; /**< bitmask of 3 plane YUV samplers */ |
| GLuint lower_xy_uxvx; /**< bitmask of 2 plane YUV samplers */ |
| GLuint lower_yx_xuxv; /**< bitmask of 2 plane YUV samplers */ |
| GLuint lower_ayuv; |
| GLuint lower_xyuv; |
| }; |
| |
| 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); |
| enum pipe_format format = st_get_view_format(stObj); |
| |
| /* if resource format matches then YUV wasn't lowered */ |
| if (format == stObj->pt->format) |
| continue; |
| |
| switch (format) { |
| case PIPE_FORMAT_NV12: |
| case PIPE_FORMAT_P010: |
| case PIPE_FORMAT_P012: |
| case PIPE_FORMAT_P016: |
| key.lower_nv12 |= (1 << unit); |
| break; |
| case PIPE_FORMAT_IYUV: |
| key.lower_iyuv |= (1 << unit); |
| break; |
| case PIPE_FORMAT_YUYV: |
| key.lower_yx_xuxv |= (1 << unit); |
| break; |
| case PIPE_FORMAT_UYVY: |
| key.lower_xy_uxvx |= (1 << unit); |
| break; |
| case PIPE_FORMAT_AYUV: |
| key.lower_ayuv |= (1 << unit); |
| break; |
| case PIPE_FORMAT_XYUV: |
| key.lower_xyuv |= (1 << unit); |
| break; |
| default: |
| printf("mesa: st_get_external_sampler_key: unhandled pipe format %u\n", |
| format); |
| 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; |
| |
| /** for ARB_depth_clamp */ |
| GLuint lower_depth_clamp:1; |
| |
| /** for OpenGL 1.0 on modern hardware */ |
| GLuint lower_two_sided_color:1; |
| |
| GLuint lower_flatshade:1; |
| unsigned lower_alpha_func:3; |
| |
| /** needed for ATI_fragment_shader */ |
| char texture_targets[MAX_NUM_FRAGMENT_REGISTERS_ATI]; |
| |
| struct st_external_sampler_key external; |
| }; |
| |
| /** |
| * Base class for shader variants. |
| */ |
| struct st_variant |
| { |
| /** next in linked list */ |
| struct st_variant *next; |
| |
| /** st_context from the shader key */ |
| struct st_context *st; |
| |
| void *driver_shader; |
| }; |
| |
| /** |
| * Variant of a fragment program. |
| */ |
| struct st_fp_variant |
| { |
| struct st_variant base; |
| |
| /** Parameters which generated this version of fragment program */ |
| struct st_fp_variant_key key; |
| |
| /** For glBitmap variants */ |
| uint bitmap_sampler; |
| |
| /** For glDrawPixels variants */ |
| unsigned drawpix_sampler; |
| unsigned pixelmap_sampler; |
| }; |
| |
| |
| /** Shader key shared by other shaders */ |
| struct st_common_variant_key |
| { |
| struct st_context *st; /**< variants are per-context */ |
| bool passthrough_edgeflags; |
| |
| /** for ARB_color_buffer_float */ |
| bool clamp_color; |
| |
| /** both for ARB_depth_clamp */ |
| bool lower_depth_clamp; |
| bool clip_negative_one_to_one; |
| |
| /** lower glPointSize to gl_PointSize */ |
| boolean lower_point_size; |
| |
| /* for user-defined clip-planes */ |
| uint8_t lower_ucp; |
| |
| /* Whether st_variant::driver_shader is for the draw module, |
| * not for the driver. |
| */ |
| bool is_draw_shader; |
| }; |
| |
| |
| /** |
| * Common shader variant. |
| */ |
| struct st_common_variant |
| { |
| struct st_variant base; |
| |
| /* Parameters which generated this variant. */ |
| struct st_common_variant_key key; |
| |
| /* Bitfield of VERT_BIT_* bits matching vertex shader inputs, |
| * but not include the high part of doubles. |
| */ |
| GLbitfield vert_attrib_mask; |
| }; |
| |
| |
| /** |
| * Derived from Mesa gl_program: |
| */ |
| struct st_program |
| { |
| struct gl_program Base; |
| struct pipe_shader_state state; |
| 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 */ |
| |
| void *serialized_nir; |
| unsigned serialized_nir_size; |
| |
| /* used when bypassing glsl_to_tgsi: */ |
| struct gl_shader_program *shader_program; |
| |
| struct st_variant *variants; |
| }; |
| |
| |
| struct st_vertex_program |
| { |
| struct st_program Base; |
| |
| /** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */ |
| ubyte index_to_input[PIPE_MAX_ATTRIBS]; |
| ubyte num_inputs; |
| /** Reverse mapping of the above */ |
| ubyte input_to_index[VERT_ATTRIB_MAX]; |
| |
| /** Maps VARYING_SLOT_x to slot */ |
| ubyte result_to_output[VARYING_SLOT_MAX]; |
| }; |
| |
| |
| static inline struct st_program * |
| st_program( struct gl_program *cp ) |
| { |
| return (struct st_program *)cp; |
| } |
| |
| static inline void |
| st_reference_prog(struct st_context *st, |
| struct st_program **ptr, |
| struct st_program *prog) |
| { |
| _mesa_reference_program(st->ctx, |
| (struct gl_program **) ptr, |
| (struct gl_program *) prog); |
| } |
| |
| static inline struct st_common_variant * |
| st_common_variant(struct st_variant *v) |
| { |
| return (struct st_common_variant*)v; |
| } |
| |
| static inline struct st_fp_variant * |
| st_fp_variant(struct st_variant *v) |
| { |
| return (struct st_fp_variant*)v; |
| } |
| |
| /** |
| * 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) |
| { |
| return tgsi_get_generic_gl_varying_index((gl_varying_slot)attr, |
| st->needs_texcoord_semantic); |
| } |
| |
| extern void |
| st_set_prog_affected_state_flags(struct gl_program *prog); |
| |
| extern struct st_common_variant * |
| st_get_vp_variant(struct st_context *st, |
| struct st_program *stvp, |
| const struct st_common_variant_key *key); |
| |
| |
| extern struct st_fp_variant * |
| st_get_fp_variant(struct st_context *st, |
| struct st_program *stfp, |
| const struct st_fp_variant_key *key); |
| |
| extern struct st_variant * |
| st_get_common_variant(struct st_context *st, |
| struct st_program *p, |
| const struct st_common_variant_key *key); |
| |
| extern void |
| st_release_variants(struct st_context *st, struct st_program *p); |
| |
| extern void |
| st_release_program(struct st_context *st, struct st_program **p); |
| |
| extern void |
| st_destroy_program_variants(struct st_context *st); |
| |
| extern void |
| st_finalize_nir_before_variants(struct nir_shader *nir); |
| |
| extern void |
| st_prepare_vertex_program(struct st_program *stvp); |
| |
| extern void |
| st_translate_stream_output_info(struct gl_program *prog); |
| |
| extern bool |
| st_translate_vertex_program(struct st_context *st, |
| struct st_program *stvp); |
| |
| extern bool |
| st_translate_fragment_program(struct st_context *st, |
| struct st_program *stfp); |
| |
| extern bool |
| st_translate_common_program(struct st_context *st, |
| struct st_program *stp); |
| |
| extern void |
| st_serialize_nir(struct st_program *stp); |
| |
| extern void |
| st_finalize_program(struct st_context *st, struct gl_program *prog); |
| |
| #ifdef __cplusplus |
| } |
| #endif |
| |
| #endif |