/************************************************************************** * * 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 */ #include "main/glheader.h" #include "main/macros.h" #include "main/enums.h" #include "main/shaderapi.h" #include "program/prog_instruction.h" #include "program/program.h" #include "cso_cache/cso_context.h" #include "draw/draw_context.h" #include "st_context.h" #include "st_program.h" #include "st_mesa_to_tgsi.h" #include "st_cb_program.h" /** * Called via ctx->Driver.BindProgram() to bind an ARB vertex or * fragment program. */ static void st_bind_program(struct gl_context *ctx, GLenum target, struct gl_program *prog) { struct st_context *st = st_context(ctx); switch (target) { case GL_VERTEX_PROGRAM_ARB: st->dirty.st |= ST_NEW_VERTEX_PROGRAM; break; case GL_FRAGMENT_PROGRAM_ARB: st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; break; case MESA_GEOMETRY_PROGRAM: st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; break; } } /** * Called via ctx->Driver.UseProgram() to bind a linked GLSL program * (vertex shader + fragment shader). */ static void st_use_program(struct gl_context *ctx, struct gl_shader_program *shProg) { struct st_context *st = st_context(ctx); st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; st->dirty.st |= ST_NEW_VERTEX_PROGRAM; st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; } /** * Called via ctx->Driver.NewProgram() to allocate a new vertex or * fragment program. */ static struct gl_program * st_new_program(struct gl_context *ctx, GLenum target, GLuint id) { switch (target) { case GL_VERTEX_PROGRAM_ARB: { struct st_vertex_program *prog = ST_CALLOC_STRUCT(st_vertex_program); return _mesa_init_vertex_program(ctx, &prog->Base, target, id); } case GL_FRAGMENT_PROGRAM_ARB: case GL_FRAGMENT_PROGRAM_NV: { struct st_fragment_program *prog = ST_CALLOC_STRUCT(st_fragment_program); return _mesa_init_fragment_program(ctx, &prog->Base, target, id); } case MESA_GEOMETRY_PROGRAM: { struct st_geometry_program *prog = ST_CALLOC_STRUCT(st_geometry_program); return _mesa_init_geometry_program(ctx, &prog->Base, target, id); } default: assert(0); return NULL; } } /** * Called via ctx->Driver.DeleteProgram() */ static void st_delete_program(struct gl_context *ctx, struct gl_program *prog) { struct st_context *st = st_context(ctx); switch( prog->Target ) { case GL_VERTEX_PROGRAM_ARB: { struct st_vertex_program *stvp = (struct st_vertex_program *) prog; st_release_vp_varients( st, stvp ); } break; case MESA_GEOMETRY_PROGRAM: { struct st_geometry_program *stgp = (struct st_geometry_program *) prog; st_release_gp_varients(st, stgp); if (stgp->tgsi.tokens) { st_free_tokens((void *) stgp->tgsi.tokens); stgp->tgsi.tokens = NULL; } } break; case GL_FRAGMENT_PROGRAM_ARB: { struct st_fragment_program *stfp = (struct st_fragment_program *) prog; st_release_fp_varients(st, stfp); if (stfp->tgsi.tokens) { st_free_tokens(stfp->tgsi.tokens); stfp->tgsi.tokens = NULL; } } break; default: assert(0); /* problem */ } /* delete base class */ _mesa_delete_program( ctx, prog ); } /** * Called via ctx->Driver.IsProgramNative() */ static GLboolean st_is_program_native(struct gl_context *ctx, GLenum target, struct gl_program *prog) { return GL_TRUE; } /** * Called via ctx->Driver.ProgramStringNotify() * Called when the program's text/code is changed. We have to free * all shader varients and corresponding gallium shaders when this happens. */ static GLboolean st_program_string_notify( struct gl_context *ctx, GLenum target, struct gl_program *prog ) { struct st_context *st = st_context(ctx); if (target == GL_FRAGMENT_PROGRAM_ARB) { struct st_fragment_program *stfp = (struct st_fragment_program *) prog; st_release_fp_varients(st, stfp); if (stfp->tgsi.tokens) { st_free_tokens(stfp->tgsi.tokens); stfp->tgsi.tokens = NULL; } if (st->fp == stfp) st->dirty.st |= ST_NEW_FRAGMENT_PROGRAM; } else if (target == MESA_GEOMETRY_PROGRAM) { struct st_geometry_program *stgp = (struct st_geometry_program *) prog; st_release_gp_varients(st, stgp); if (stgp->tgsi.tokens) { st_free_tokens((void *) stgp->tgsi.tokens); stgp->tgsi.tokens = NULL; } if (st->gp == stgp) st->dirty.st |= ST_NEW_GEOMETRY_PROGRAM; } else if (target == GL_VERTEX_PROGRAM_ARB) { struct st_vertex_program *stvp = (struct st_vertex_program *) prog; st_release_vp_varients( st, stvp ); if (st->vp == stvp) st->dirty.st |= ST_NEW_VERTEX_PROGRAM; } /* XXX check if program is legal, within limits */ return GL_TRUE; } /** * Plug in the program and shader-related device driver functions. */ void st_init_program_functions(struct dd_function_table *functions) { functions->BindProgram = st_bind_program; functions->UseProgram = st_use_program; functions->NewProgram = st_new_program; functions->DeleteProgram = st_delete_program; functions->IsProgramNative = st_is_program_native; functions->ProgramStringNotify = st_program_string_notify; }