src/mesa/drivers/dri/r300/r300_shader.c

   1 /*
   2  * Copyright 2009 Maciej Cencora <m.cencora@gmail.com>
   3  *
   4  * All Rights Reserved.
   5  *
   6  * Permission is hereby granted, free of charge, to any person obtaining
   7  * a 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, sublicense, 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
  16  * portions of the Software.
  17  *
  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  19  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  20  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
  21  * IN NO EVENT SHALL THE COPYRIGHT OWNER(S) AND/OR ITS SUPPLIERS BE
  22  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  23  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  24  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  25  *
  26  */
  27
  28 #include "main/glheader.h"
  29
  30 #include "shader/program.h"
  31 #include "tnl/tnl.h"
  32 #include "r300_context.h"
  33 #include "r300_fragprog_common.h"
  34
  35 static struct gl_program *r300NewProgram(GLcontext * ctx, GLenum target,
  36                                          GLuint id)
  37 {
  38         struct r300_vertex_program_cont *vp;
  39         struct r300_fragment_program *fp;
  40
  41         switch (target) {
  42         case GL_VERTEX_STATE_PROGRAM_NV:
  43         case GL_VERTEX_PROGRAM_ARB:
  44                 vp = CALLOC_STRUCT(r300_vertex_program_cont);
  45                 return _mesa_init_vertex_program(ctx, &vp->mesa_program,
  46                                                  target, id);
  47
  48         case GL_FRAGMENT_PROGRAM_NV:
  49         case GL_FRAGMENT_PROGRAM_ARB:
  50                 fp = CALLOC_STRUCT(r300_fragment_program);
  51                 return _mesa_init_fragment_program(ctx, &fp->Base, target, id);
  52
  53         default:
  54                 _mesa_problem(ctx, "Bad target in r300NewProgram");
  55         }
  56
  57         return NULL;
  58 }
  59
  60 static void r300DeleteProgram(GLcontext * ctx, struct gl_program *prog)
  61 {
  62         _mesa_delete_program(ctx, prog);
  63 }
  64
  65 static void
  66 r300ProgramStringNotify(GLcontext * ctx, GLenum target, struct gl_program *prog)
  67 {
  68         struct r300_vertex_program_cont *vp = (void *)prog;
  69         struct r300_fragment_program *r300_fp = (struct r300_fragment_program *)prog;
  70
  71         switch (target) {
  72         case GL_VERTEX_PROGRAM_ARB:
  73                 vp->progs = NULL;
  74                 break;
  75         case GL_FRAGMENT_PROGRAM_ARB:
  76                 r300_fp->translated = GL_FALSE;
  77                 break;
  78         }
  79
  80         /* need this for tcl fallbacks */
  81         _tnl_program_string(ctx, target, prog);
  82 }
  83
  84 static GLboolean
  85 r300IsProgramNative(GLcontext * ctx, GLenum target, struct gl_program *prog)
  86 {
  87         if (target == GL_FRAGMENT_PROGRAM_ARB) {
  88                 struct r300_fragment_program *fp = (struct r300_fragment_program *)prog;
  89                 if (!fp->translated)
  90                         r300TranslateFragmentShader(ctx, &fp->Base);
  91
  92                 return !fp->error;
  93         } else
  94                 return GL_TRUE;
  95 }
  96
  97 void r300InitShaderFuncs(struct dd_function_table *functions)
  98 {
  99         functions->NewProgram = r300NewProgram;
 100         functions->DeleteProgram = r300DeleteProgram;
 101         functions->ProgramStringNotify = r300ProgramStringNotify;
 102         functions->IsProgramNative = r300IsProgramNative;
 103 }