Merge branch 'asm-shader-rework-2'

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

diff --git a/src/mesa/main/texstate.c b/src/mesa/main/texstate.c
index a490dff5e90c967c0f21fd3ffd868c074abf9489..b9311d0ffc94a5879648399aedf4a55a46999331 100644 (file)
--- a/src/mesa/main/texstate.c
+++ b/src/mesa/main/texstate.c
@@ -31,9 +31,7 @@
 #include "glheader.h"
 #include "mfeatures.h"
 #include "colormac.h"
-#if FEATURE_colortable
 #include "colortab.h"
-#endif
 #include "context.h"
 #include "enums.h"
 #include "macros.h"
@@ -179,6 +177,7 @@ 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;
       
@@ -218,6 +217,7 @@ 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:
@@ -244,6 +244,7 @@ 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;
@@ -259,7 +260,8 @@ 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;
    }
    
@@ -557,8 +559,19 @@ 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 */
@@ -714,14 +727,7 @@ 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 );
 
@@ -745,9 +751,7 @@ _mesa_init_texture(GLcontext *ctx)
    ctx->Texture.CurrentUnit = 0;      /* multitexture */
    ctx->Texture._EnabledUnits = 0x0;
    ctx->Texture.SharedPalette = GL_FALSE;
-#if FEATURE_colortable
    _mesa_init_colortable(&ctx->Texture.Palette);
-#endif
 
    for (u = 0; u < MAX_TEXTURE_UNITS; u++)
       init_texture_unit(ctx, u);
@@ -776,6 +780,9 @@ _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);
       }
@@ -785,10 +792,8 @@ _mesa_free_texture_data(GLcontext *ctx)
    for (tgt = 0; tgt < NUM_TEXTURE_TARGETS; tgt++)
       ctx->Driver.DeleteTexture(ctx, ctx->Texture.ProxyTex[tgt]);
 
-#if FEATURE_colortable
    for (u = 0; u < MAX_TEXTURE_IMAGE_UNITS; u++)
       _mesa_free_colortable_data(&ctx->Texture.Unit[u].ColorTable);
-#endif
 }