443 lines
12 KiB
C
443 lines
12 KiB
C
/**************************************************************************
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*
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* Copyright 2003 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/*
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* Authors:
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* Keith Whitwell <keithw@vmware.com>
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*/
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#ifndef ST_PROGRAM_H
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#define ST_PROGRAM_H
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#include "main/mtypes.h"
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#include "main/atifragshader.h"
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#include "program/program.h"
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#include "pipe/p_state.h"
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#include "tgsi/tgsi_from_mesa.h"
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#include "st_context.h"
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#include "st_texture.h"
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#include "st_glsl_to_tgsi.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define ST_DOUBLE_ATTRIB_PLACEHOLDER 0xff
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struct st_external_sampler_key
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{
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GLuint lower_nv12; /**< bitmask of 2 plane YUV samplers */
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GLuint lower_iyuv; /**< bitmask of 3 plane YUV samplers */
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GLuint lower_xy_uxvx; /**< bitmask of 2 plane YUV samplers */
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GLuint lower_yx_xuxv; /**< bitmask of 2 plane YUV samplers */
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GLuint lower_ayuv;
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GLuint lower_xyuv;
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};
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static inline struct st_external_sampler_key
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st_get_external_sampler_key(struct st_context *st, struct gl_program *prog)
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{
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unsigned mask = prog->ExternalSamplersUsed;
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struct st_external_sampler_key key;
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memset(&key, 0, sizeof(key));
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while (unlikely(mask)) {
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unsigned unit = u_bit_scan(&mask);
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struct st_texture_object *stObj =
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st_get_texture_object(st->ctx, prog, unit);
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switch (st_get_view_format(stObj)) {
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case PIPE_FORMAT_NV12:
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case PIPE_FORMAT_P016:
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key.lower_nv12 |= (1 << unit);
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break;
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case PIPE_FORMAT_IYUV:
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key.lower_iyuv |= (1 << unit);
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break;
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case PIPE_FORMAT_YUYV:
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key.lower_yx_xuxv |= (1 << unit);
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break;
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case PIPE_FORMAT_UYVY:
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key.lower_xy_uxvx |= (1 << unit);
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break;
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case PIPE_FORMAT_AYUV:
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key.lower_ayuv |= (1 << unit);
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break;
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case PIPE_FORMAT_XYUV:
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key.lower_xyuv |= (1 << unit);
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break;
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default:
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printf("unhandled %u\n", st_get_view_format(stObj));
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break;
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}
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}
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return key;
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}
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/** Fragment program variant key */
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struct st_fp_variant_key
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{
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struct st_context *st; /**< variants are per-context */
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/** for glBitmap */
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GLuint bitmap:1; /**< glBitmap variant? */
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/** for glDrawPixels */
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GLuint drawpixels:1; /**< glDrawPixels variant */
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GLuint scaleAndBias:1; /**< glDrawPixels w/ scale and/or bias? */
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GLuint pixelMaps:1; /**< glDrawPixels w/ pixel lookup map? */
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/** for ARB_color_buffer_float */
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GLuint clamp_color:1;
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/** for ARB_sample_shading */
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GLuint persample_shading:1;
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/** needed for ATI_fragment_shader */
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GLuint fog:2;
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/** for ARB_depth_clamp */
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GLuint lower_depth_clamp:1;
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/** needed for ATI_fragment_shader */
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char texture_targets[MAX_NUM_FRAGMENT_REGISTERS_ATI];
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struct st_external_sampler_key external;
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};
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/**
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* Variant of a fragment program.
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*/
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struct st_fp_variant
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{
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/** Parameters which generated this version of fragment program */
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struct st_fp_variant_key key;
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/** Driver's compiled shader */
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void *driver_shader;
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/** For glBitmap variants */
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uint bitmap_sampler;
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/** For glDrawPixels variants */
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unsigned drawpix_sampler;
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unsigned pixelmap_sampler;
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/** next in linked list */
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struct st_fp_variant *next;
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};
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/**
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* Derived from Mesa gl_program:
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*/
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struct st_fragment_program
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{
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struct gl_program Base;
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struct pipe_shader_state tgsi;
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struct glsl_to_tgsi_visitor* glsl_to_tgsi;
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struct ati_fragment_shader *ati_fs;
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uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */
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/* used when bypassing glsl_to_tgsi: */
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struct gl_shader_program *shader_program;
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struct st_fp_variant *variants;
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/* Used by the shader cache and ARB_get_program_binary */
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unsigned num_tgsi_tokens;
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};
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/** Vertex program variant key */
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struct st_vp_variant_key
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{
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struct st_context *st; /**< variants are per-context */
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bool passthrough_edgeflags;
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/** for ARB_color_buffer_float */
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bool clamp_color;
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/** both for ARB_depth_clamp */
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bool lower_depth_clamp;
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bool clip_negative_one_to_one;
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};
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/**
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* This represents a vertex program, especially translated to match
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* the inputs of a particular fragment shader.
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*/
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struct st_vp_variant
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{
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/* Parameters which generated this translated version of a vertex
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* shader:
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*/
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struct st_vp_variant_key key;
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/**
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* TGSI tokens (to later generate a 'draw' module shader for
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* selection/feedback/rasterpos)
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*/
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struct pipe_shader_state tgsi;
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/** Driver's compiled shader */
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void *driver_shader;
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/** For using our private draw module (glRasterPos) */
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struct draw_vertex_shader *draw_shader;
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/** Next in linked list */
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struct st_vp_variant *next;
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/** similar to that in st_vertex_program, but with edgeflags info too */
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GLuint num_inputs;
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/** Bitfield of VERT_BIT_* bits of mesa vertex processing inputs */
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GLbitfield vert_attrib_mask;
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};
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/**
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* Derived from Mesa gl_program:
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*/
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struct st_vertex_program
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{
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struct gl_program Base; /**< The Mesa vertex program */
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struct pipe_shader_state tgsi;
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struct glsl_to_tgsi_visitor* glsl_to_tgsi;
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uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */
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/* used when bypassing glsl_to_tgsi: */
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struct gl_shader_program *shader_program;
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/** maps a TGSI input index back to a Mesa VERT_ATTRIB_x */
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ubyte index_to_input[PIPE_MAX_ATTRIBS];
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ubyte num_inputs;
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/** Reverse mapping of the above */
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ubyte input_to_index[VERT_ATTRIB_MAX];
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/** Maps VARYING_SLOT_x to slot */
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ubyte result_to_output[VARYING_SLOT_MAX];
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/** List of translated variants of this vertex program.
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*/
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struct st_vp_variant *variants;
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/** SHA1 hash of linked tgsi shader program, used for on-disk cache */
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unsigned char sha1[20];
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/* Used by the shader cache and ARB_get_program_binary */
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unsigned num_tgsi_tokens;
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};
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/** Key shared by all shaders except VP, FP */
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struct st_basic_variant_key
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{
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struct st_context *st; /**< variants are per-context */
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/** For compat profile */
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bool clamp_color;
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/** both for ARB_depth_clamp */
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bool lower_depth_clamp;
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bool clip_negative_one_to_one;
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};
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/**
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* Geometry program variant.
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*/
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struct st_basic_variant
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{
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/* Parameters which generated this variant. */
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struct st_basic_variant_key key;
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void *driver_shader;
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struct st_basic_variant *next;
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};
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/**
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* Derived from Mesa gl_program:
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*/
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struct st_common_program
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{
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struct gl_program Base;
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struct pipe_shader_state tgsi;
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struct glsl_to_tgsi_visitor* glsl_to_tgsi;
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uint64_t affected_states; /**< ST_NEW_* flags to mark dirty when binding */
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/* used when bypassing glsl_to_tgsi: */
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struct gl_shader_program *shader_program;
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struct st_basic_variant *variants;
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/** SHA1 hash of linked tgsi shader program, used for on-disk cache */
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unsigned char sha1[20];
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/* Used by the shader cache and ARB_get_program_binary */
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unsigned num_tgsi_tokens;
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};
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static inline struct st_fragment_program *
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st_fragment_program( struct gl_program *fp )
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{
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return (struct st_fragment_program *)fp;
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}
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static inline struct st_vertex_program *
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st_vertex_program( struct gl_program *vp )
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{
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return (struct st_vertex_program *)vp;
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}
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static inline struct st_common_program *
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st_common_program( struct gl_program *cp )
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{
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return (struct st_common_program *)cp;
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}
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static inline void
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st_reference_vertprog(struct st_context *st,
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struct st_vertex_program **ptr,
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struct st_vertex_program *prog)
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{
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_mesa_reference_program(st->ctx,
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(struct gl_program **) ptr,
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(struct gl_program *) prog);
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}
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static inline void
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st_reference_fragprog(struct st_context *st,
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struct st_fragment_program **ptr,
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struct st_fragment_program *prog)
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{
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_mesa_reference_program(st->ctx,
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(struct gl_program **) ptr,
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(struct gl_program *) prog);
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}
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static inline void
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st_reference_prog(struct st_context *st,
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struct st_common_program **ptr,
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struct st_common_program *prog)
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{
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_mesa_reference_program(st->ctx,
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(struct gl_program **) ptr,
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(struct gl_program *) prog);
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}
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static inline void
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st_reference_compprog(struct st_context *st,
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struct st_common_program **ptr,
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struct st_common_program *prog)
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{
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_mesa_reference_program(st->ctx,
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(struct gl_program **) ptr,
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(struct gl_program *) prog);
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}
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/**
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* This defines mapping from Mesa VARYING_SLOTs to TGSI GENERIC slots.
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*/
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static inline unsigned
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st_get_generic_varying_index(struct st_context *st, GLuint attr)
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{
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return tgsi_get_generic_gl_varying_index((gl_varying_slot)attr,
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st->needs_texcoord_semantic);
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}
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extern void
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st_set_prog_affected_state_flags(struct gl_program *prog);
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extern struct st_vp_variant *
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st_get_vp_variant(struct st_context *st,
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struct st_vertex_program *stvp,
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const struct st_vp_variant_key *key);
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extern struct st_fp_variant *
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st_get_fp_variant(struct st_context *st,
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struct st_fragment_program *stfp,
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const struct st_fp_variant_key *key);
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extern struct st_basic_variant *
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st_get_basic_variant(struct st_context *st,
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struct st_common_program *p,
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const struct st_basic_variant_key *key);
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extern void
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st_release_vp_variants( struct st_context *st,
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struct st_vertex_program *stvp );
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extern void
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st_release_fp_variants( struct st_context *st,
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struct st_fragment_program *stfp );
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extern void
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st_release_basic_variants(struct st_context *st, struct st_common_program *p);
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extern void
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st_destroy_program_variants(struct st_context *st);
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extern bool
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st_translate_vertex_program(struct st_context *st,
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struct st_vertex_program *stvp);
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extern bool
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st_translate_fragment_program(struct st_context *st,
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struct st_fragment_program *stfp);
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extern bool
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st_translate_common_program(struct st_context *st,
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struct st_common_program *stcp);
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extern void
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st_print_current_vertex_program(void);
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extern void
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st_precompile_shader_variant(struct st_context *st,
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struct gl_program *prog);
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#ifdef __cplusplus
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}
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#endif
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#endif
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