1 /**************************************************************************
2 *
3 * Copyright 2003 VMware, Inc.
4 * All Rights Reserved.
5 *
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
13 *
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
16 * of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 *
26 **************************************************************************/
27
28 /*
29 * Authors:
30 * Keith Whitwell <keithw@vmware.com>
31 */
32
33 #include "main/glheader.h"
34 #include "main/macros.h"
35 #include "main/enums.h"
36 #include "main/shaderapi.h"
37 #include "program/prog_instruction.h"
38 #include "program/program.h"
39
40 #include "cso_cache/cso_context.h"
41 #include "draw/draw_context.h"
42
43 #include "st_context.h"
44 #include "st_debug.h"
45 #include "st_program.h"
46 #include "st_mesa_to_tgsi.h"
47 #include "st_cb_program.h"
48 #include "st_glsl_to_tgsi.h"
49 #include "st_atifs_to_tgsi.h"
50
51
52 /**
53 * Called via ctx->Driver.NewProgram() to allocate a new vertex or
54 * fragment program.
55 */
56 static struct gl_program *
st_new_program(struct gl_context * ctx,GLenum target,GLuint id,bool is_arb_asm)57 st_new_program(struct gl_context *ctx, GLenum target, GLuint id,
58 bool is_arb_asm)
59 {
60 switch (target) {
61 case GL_VERTEX_PROGRAM_ARB: {
62 struct st_vertex_program *prog = rzalloc(NULL,
63 struct st_vertex_program);
64 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
65 }
66 case GL_FRAGMENT_PROGRAM_ARB: {
67 struct st_fragment_program *prog = rzalloc(NULL,
68 struct st_fragment_program);
69 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
70 }
71 case GL_TESS_CONTROL_PROGRAM_NV:
72 case GL_TESS_EVALUATION_PROGRAM_NV:
73 case GL_GEOMETRY_PROGRAM_NV: {
74 struct st_common_program *prog = rzalloc(NULL,
75 struct st_common_program);
76 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
77 }
78 case GL_COMPUTE_PROGRAM_NV: {
79 struct st_compute_program *prog = rzalloc(NULL,
80 struct st_compute_program);
81 return _mesa_init_gl_program(&prog->Base, target, id, is_arb_asm);
82 }
83 default:
84 assert(0);
85 return NULL;
86 }
87 }
88
89
90 /**
91 * Called via ctx->Driver.DeleteProgram()
92 */
93 static void
st_delete_program(struct gl_context * ctx,struct gl_program * prog)94 st_delete_program(struct gl_context *ctx, struct gl_program *prog)
95 {
96 struct st_context *st = st_context(ctx);
97
98 switch( prog->Target ) {
99 case GL_VERTEX_PROGRAM_ARB:
100 {
101 struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
102 st_release_vp_variants( st, stvp );
103
104 if (stvp->glsl_to_tgsi)
105 free_glsl_to_tgsi_visitor(stvp->glsl_to_tgsi);
106 }
107 break;
108 case GL_TESS_CONTROL_PROGRAM_NV:
109 case GL_TESS_EVALUATION_PROGRAM_NV:
110 case GL_GEOMETRY_PROGRAM_NV:
111 {
112 struct st_common_program *p = st_common_program(prog);
113
114 st_release_basic_variants(st, p->Base.Target, &p->variants,
115 &p->tgsi);
116
117 if (p->glsl_to_tgsi)
118 free_glsl_to_tgsi_visitor(p->glsl_to_tgsi);
119 }
120 break;
121 case GL_FRAGMENT_PROGRAM_ARB:
122 {
123 struct st_fragment_program *stfp =
124 (struct st_fragment_program *) prog;
125
126 st_release_fp_variants(st, stfp);
127
128 if (stfp->glsl_to_tgsi)
129 free_glsl_to_tgsi_visitor(stfp->glsl_to_tgsi);
130 }
131 break;
132 case GL_COMPUTE_PROGRAM_NV:
133 {
134 struct st_compute_program *stcp =
135 (struct st_compute_program *) prog;
136
137 st_release_cp_variants(st, stcp);
138
139 if (stcp->glsl_to_tgsi)
140 free_glsl_to_tgsi_visitor(stcp->glsl_to_tgsi);
141 }
142 break;
143 default:
144 assert(0); /* problem */
145 }
146
147 /* delete base class */
148 _mesa_delete_program( ctx, prog );
149 }
150
151
152 /**
153 * Called via ctx->Driver.ProgramStringNotify()
154 * Called when the program's text/code is changed. We have to free
155 * all shader variants and corresponding gallium shaders when this happens.
156 */
157 static GLboolean
st_program_string_notify(struct gl_context * ctx,GLenum target,struct gl_program * prog)158 st_program_string_notify( struct gl_context *ctx,
159 GLenum target,
160 struct gl_program *prog )
161 {
162 struct st_context *st = st_context(ctx);
163 gl_shader_stage stage = _mesa_program_enum_to_shader_stage(target);
164
165 if (target == GL_FRAGMENT_PROGRAM_ARB) {
166 struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
167
168 st_release_fp_variants(st, stfp);
169 if (!st_translate_fragment_program(st, stfp))
170 return false;
171
172 if (st->fp == stfp)
173 st->dirty |= stfp->affected_states;
174 }
175 else if (target == GL_GEOMETRY_PROGRAM_NV) {
176 struct st_common_program *stgp = st_common_program(prog);
177
178 st_release_basic_variants(st, stgp->Base.Target, &stgp->variants,
179 &stgp->tgsi);
180 if (!st_translate_geometry_program(st, stgp))
181 return false;
182
183 if (st->gp == stgp)
184 st->dirty |= stgp->affected_states;
185 }
186 else if (target == GL_VERTEX_PROGRAM_ARB) {
187 struct st_vertex_program *stvp = (struct st_vertex_program *) prog;
188
189 st_release_vp_variants(st, stvp);
190 if (!st_translate_vertex_program(st, stvp))
191 return false;
192
193 if (st->vp == stvp)
194 st->dirty |= ST_NEW_VERTEX_PROGRAM(st, stvp);
195 }
196 else if (target == GL_TESS_CONTROL_PROGRAM_NV) {
197 struct st_common_program *sttcp =
198 st_common_program(prog);
199
200 st_release_basic_variants(st, sttcp->Base.Target, &sttcp->variants,
201 &sttcp->tgsi);
202 if (!st_translate_tessctrl_program(st, sttcp))
203 return false;
204
205 if (st->tcp == sttcp)
206 st->dirty |= sttcp->affected_states;
207 }
208 else if (target == GL_TESS_EVALUATION_PROGRAM_NV) {
209 struct st_common_program *sttep =
210 st_common_program(prog);
211
212 st_release_basic_variants(st, sttep->Base.Target, &sttep->variants,
213 &sttep->tgsi);
214 if (!st_translate_tesseval_program(st, sttep))
215 return false;
216
217 if (st->tep == sttep)
218 st->dirty |= sttep->affected_states;
219 }
220 else if (target == GL_COMPUTE_PROGRAM_NV) {
221 struct st_compute_program *stcp =
222 (struct st_compute_program *) prog;
223
224 st_release_cp_variants(st, stcp);
225 if (!st_translate_compute_program(st, stcp))
226 return false;
227
228 if (st->cp == stcp)
229 st->dirty |= stcp->affected_states;
230 }
231 else if (target == GL_FRAGMENT_SHADER_ATI) {
232 assert(prog);
233
234 struct st_fragment_program *stfp = (struct st_fragment_program *) prog;
235 assert(stfp->ati_fs);
236 assert(stfp->ati_fs->Program == prog);
237
238 st_init_atifs_prog(ctx, prog);
239
240 st_release_fp_variants(st, stfp);
241 if (!st_translate_fragment_program(st, stfp))
242 return false;
243
244 if (st->fp == stfp)
245 st->dirty |= stfp->affected_states;
246 }
247
248 if (ST_DEBUG & DEBUG_PRECOMPILE ||
249 st->shader_has_one_variant[stage])
250 st_precompile_shader_variant(st, prog);
251
252 return GL_TRUE;
253 }
254
255 /**
256 * Called via ctx->Driver.NewATIfs()
257 * Called in glEndFragmentShaderATI()
258 */
259 static struct gl_program *
st_new_ati_fs(struct gl_context * ctx,struct ati_fragment_shader * curProg)260 st_new_ati_fs(struct gl_context *ctx, struct ati_fragment_shader *curProg)
261 {
262 struct gl_program *prog = ctx->Driver.NewProgram(ctx, GL_FRAGMENT_PROGRAM_ARB,
263 curProg->Id, true);
264 struct st_fragment_program *stfp = (struct st_fragment_program *)prog;
265 stfp->ati_fs = curProg;
266 return prog;
267 }
268
269 /**
270 * Plug in the program and shader-related device driver functions.
271 */
272 void
st_init_program_functions(struct dd_function_table * functions)273 st_init_program_functions(struct dd_function_table *functions)
274 {
275 functions->NewProgram = st_new_program;
276 functions->DeleteProgram = st_delete_program;
277 functions->ProgramStringNotify = st_program_string_notify;
278 functions->NewATIfs = st_new_ati_fs;
279
280 functions->LinkShader = st_link_shader;
281 }
282