ARB prog lexer: Fix lexer to eat both DOS and Unix line endings

[mesa.git] / src / mesa / main / texstate.c

diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index 2b07da805c05f09aa464edd27661c97259d5044b..6e0c0c688a19ac3171b7e1b86936ffbbab5f038c 100644 (file)
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -95,6 +95,11 @@ _mesa_copy_texture_state( const GLcontext *src, GLcontext *dst )
       /* GL_EXT_texture_env_combine */
       dst->Texture.Unit[u].Combine = src->Texture.Unit[u].Combine;
 
+      /* GL_ATI_envmap_bumpmap - need this? */
+      dst->Texture.Unit[u].BumpTarget = src->Texture.Unit[u].BumpTarget;
+      COPY_4V(dst->Texture.Unit[u].RotMatrix, src->Texture.Unit[u].RotMatrix);
+
+
       /* copy texture object bindings, not contents of texture objects */
       _mesa_lock_context_textures(dst);
 
@@ -174,11 +179,14 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
    case GL_LUMINANCE:
    case GL_RGB:
    case GL_YCBCR_MESA:
+   case GL_DUDV_ATI:
       state->SourceA[0] = GL_PREVIOUS;
       break;
       
    default:
-      _mesa_problem(NULL, "Invalid texBaseFormat in calculate_derived_texenv");
+      _mesa_problem(NULL,
+                    "Invalid texBaseFormat 0x%x in calculate_derived_texenv",
+                    texBaseFormat);
       return;
    }
 
@@ -211,6 +219,7 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
         break;
       case GL_RGB:
       case GL_YCBCR_MESA:
+      case GL_DUDV_ATI:
         mode_rgb = GL_REPLACE;
         break;
       case GL_RGBA:
@@ -237,6 +246,7 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
       case GL_LUMINANCE_ALPHA:
       case GL_RGBA:
       case GL_YCBCR_MESA:
+      case GL_DUDV_ATI:
         state->SourceRGB[2] = GL_TEXTURE;
         state->SourceA[2]   = GL_TEXTURE;
         state->SourceRGB[0] = GL_CONSTANT;
@@ -252,7 +262,8 @@ calculate_derived_texenv( struct gl_tex_env_combine_state *state,
 
    default:
       _mesa_problem(NULL,
-                    "Invalid texture env mode in calculate_derived_texenv");
+                    "Invalid texture env mode 0x%x in calculate_derived_texenv",
+                    mode);
       return;
    }
    
@@ -353,37 +364,6 @@ update_texture_matrices( GLcontext *ctx )
 }
 
 
-/**
- * Update texture object's _Function field.  We need to do this
- * whenever any of the texture object's shadow-related fields change
- * or when we start/stop using a fragment program.
- *
- * This function could be expanded someday to update additional per-object
- * fields that depend on assorted state changes.
- */
-static void
-update_texture_compare_function(GLcontext *ctx,
-                                struct gl_texture_object *tObj)
-{
-   /* XXX temporarily disable this test since it breaks the GLSL
-    * shadow2D(), etc. functions.
-    */
-   if (0 /*ctx->FragmentProgram._Current*/) {
-      /* Texel/coordinate comparison is ignored for programs.
-       * See GL_ARB_fragment_program/shader spec for details.
-       */
-      tObj->_Function = GL_NONE;
-   }
-   else if (tObj->CompareMode == GL_COMPARE_R_TO_TEXTURE_ARB) {
-      /* GL_ARB_shadow */
-      tObj->_Function = tObj->CompareFunc;
-   }
-   else {
-      tObj->_Function = GL_NONE;  /* pass depth through as grayscale */
-   }
-}
-
-
 /**
  * Examine texture unit's combine/env state to update derived state.
  */
@@ -442,6 +422,10 @@ update_tex_combine(GLcontext *ctx, struct gl_texture_unit *texUnit)
    case GL_MODULATE_SUBTRACT_ATI:
       combine->_NumArgsRGB = 3;
       break;
+   case GL_BUMP_ENVMAP_ATI:
+      /* no real arguments for this case */
+      combine->_NumArgsRGB = 0;
+      break;
    default:
       combine->_NumArgsRGB = 0;
       _mesa_problem(ctx, "invalid RGB combine mode in update_texture_state");
@@ -577,8 +561,19 @@ update_texture_state( GLcontext *ctx )
       }
 
       if (!texUnit->_ReallyEnabled) {
-         _mesa_reference_texobj(&texUnit->_Current, NULL);
-         continue;
+         if (fprog) {
+            /* If we get here it means the shader is expecting a texture
+             * object, but there isn't one (or it's incomplete).  Use the
+             * fallback texture.
+             */
+            struct gl_texture_object *texObj = _mesa_get_fallback_texture(ctx);
+            texUnit->_ReallyEnabled = 1 << TEXTURE_2D_INDEX;
+            _mesa_reference_texobj(&texUnit->_Current, texObj);
+         }
+         else {
+            /* fixed-function: texture unit is really disabled */
+            continue;
+         }
       }
 
       /* if we get here, we know this texture unit is enabled */
@@ -589,7 +584,6 @@ update_texture_state( GLcontext *ctx )
          enabledFragUnits |= (1 << unit);
 
       update_tex_combine(ctx, texUnit);
-      update_texture_compare_function(ctx, texUnit->_Current);
    }
 
 
@@ -714,6 +708,7 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
    texUnit->Combine = default_combine_state;
    texUnit->_EnvMode = default_combine_state;
    texUnit->_CurrentCombine = & texUnit->_EnvMode;
+   texUnit->BumpTarget = GL_TEXTURE0;
 
    texUnit->TexGenEnabled = 0x0;
    texUnit->GenS.Mode = GL_EYE_LINEAR;
@@ -734,6 +729,16 @@ init_texture_unit( GLcontext *ctx, GLuint unit )
    ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
    ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
    ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenS.ObjectPlane, 1.0, 0.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenT.ObjectPlane, 0.0, 1.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenR.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenQ.ObjectPlane, 0.0, 0.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenS.EyePlane, 1.0, 0.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenT.EyePlane, 0.0, 1.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenR.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+   ASSIGN_4V( texUnit->GenQ.EyePlane, 0.0, 0.0, 0.0, 0.0 );
+   /* no mention of this in spec, but maybe id matrix expected? */
+   ASSIGN_4V( texUnit->RotMatrix, 1.0, 0.0, 0.0, 1.0 );
 
    /* initialize current texture object ptrs to the shared default objects */
    for (tex = 0; tex < NUM_TEXTURE_TARGETS; tex++) {
@@ -786,6 +791,9 @@ _mesa_free_texture_data(GLcontext *ctx)
 
    /* unreference current textures */
    for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++) {
+      /* The _Current texture could account for another reference */
+      _mesa_reference_texobj(&ctx->Texture.Unit[u]._Current, NULL);
+
       for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++) {
          _mesa_reference_texobj(&ctx->Texture.Unit[u].CurrentTex[tgt], NULL);
       }