mesa: add missing state dependencies for various tracked constants

[mesa.git] / src / mesa / shader / prog_statevars.c

diff --git a/src/mesa/shader/prog_statevars.c b/src/mesa/shader/prog_statevars.c
index ba3c9884456c75f69eaa2107af93021effc4f0e0..47c46f63ec972576f1ae8959100a094928819b69 100644 (file)
--- a/src/mesa/shader/prog_statevars.c
+++ b/src/mesa/shader/prog_statevars.c
@@ -29,15 +29,14 @@
  */
 
 
-#include "glheader.h"
-#include "context.h"
-#include "hash.h"
-#include "imports.h"
-#include "macros.h"
-#include "mtypes.h"
+#include "main/glheader.h"
+#include "main/context.h"
+#include "main/hash.h"
+#include "main/imports.h"
+#include "main/macros.h"
+#include "main/mtypes.h"
 #include "prog_statevars.h"
 #include "prog_parameter.h"
-#include "nvvertparse.h"
 
 
 /**
@@ -134,10 +133,6 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
               value[3] = 1.0;
             }                                            
             return;
-        case STATE_POSITION_NORMALIZED:
-            COPY_4V(value, ctx->Light.Light[ln].EyePosition);
-           NORMALIZE_3FV( value );
-            return;
          default:
             _mesa_problem(ctx, "Invalid light state in fetch_state");
             return;
@@ -254,7 +249,7 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
       value[1] = ctx->Fog.Start;
       value[2] = ctx->Fog.End;
       value[3] = (ctx->Fog.End == ctx->Fog.Start)
-         ? 1.0 : 1.0F / (ctx->Fog.End - ctx->Fog.Start);
+         ? 1.0f : (GLfloat)(1.0 / (ctx->Fog.End - ctx->Fog.Start));
       return;
    case STATE_CLIPPLANE:
       {
@@ -401,7 +396,11 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
    case STATE_INTERNAL:
       switch (state[1]) {
       case STATE_NORMAL_SCALE:
-         ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1);
+         ASSIGN_4V(value, 
+                   ctx->_ModelViewInvScale, 
+                   ctx->_ModelViewInvScale, 
+                   ctx->_ModelViewInvScale, 
+                   1);
          return;
       case STATE_TEXRECT_SCALE:
          {
@@ -410,9 +409,9 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
                = ctx->Texture.Unit[unit]._Current;
             if (texObj) {
                struct gl_texture_image *texImage = texObj->Image[0][0];
-               ASSIGN_4V(value, 1.0 / texImage->Width,
-                         1.0 / texImage->Height,
-                         0.0, 1.0);
+               ASSIGN_4V(value, (GLfloat) (1.0 / texImage->Width),
+                         (GLfloat)(1.0 / texImage->Height),
+                         0.0f, 1.0f);
             }
          }
          return;
@@ -426,20 +425,51 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
           * exp2: 2^-((density/(ln(2)^2) * fogcoord)^2)
           */
          value[0] = (ctx->Fog.End == ctx->Fog.Start)
-            ? 1.0 : -1.0F / (ctx->Fog.End - ctx->Fog.Start);
+            ? 1.0f : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start));
          value[1] = ctx->Fog.End * -value[0];
-         value[2] = ctx->Fog.Density * ONE_DIV_LN2;
-         value[3] = ctx->Fog.Density * ONE_DIV_SQRT_LN2;
+         value[2] = (GLfloat)(ctx->Fog.Density * ONE_DIV_LN2);
+         value[3] = (GLfloat)(ctx->Fog.Density * ONE_DIV_SQRT_LN2);
          return;
-      case STATE_SPOT_DIR_NORMALIZED: {
+
+      case STATE_LIGHT_SPOT_DIR_NORMALIZED: {
          /* here, state[2] is the light number */
          /* pre-normalize spot dir */
          const GLuint ln = (GLuint) state[2];
-         COPY_3V(value, ctx->Light.Light[ln].EyeDirection);
-         NORMALIZE_3FV(value);
+         COPY_3V(value, ctx->Light.Light[ln]._NormDirection);
          value[3] = ctx->Light.Light[ln]._CosCutoff;
          return;
       }
+
+      case STATE_LIGHT_POSITION: {
+         const GLuint ln = (GLuint) state[2];
+         COPY_4V(value, ctx->Light.Light[ln]._Position);
+         return;
+      }
+
+      case STATE_LIGHT_POSITION_NORMALIZED: {
+         const GLuint ln = (GLuint) state[2];
+         COPY_4V(value, ctx->Light.Light[ln]._Position);
+         NORMALIZE_3FV( value );
+         return;
+      }
+
+      case STATE_LIGHT_HALF_VECTOR: {
+         const GLuint ln = (GLuint) state[2];
+         GLfloat p[3];
+         /* Compute infinite half angle vector:
+          *   halfVector = normalize(normalize(lightPos) + (0, 0, 1))
+          * light.EyePosition.w should be 0 for infinite lights.
+          */
+         COPY_3V(p, ctx->Light.Light[ln]._Position);
+         NORMALIZE_3FV(p);
+         ADD_3V(value, p, ctx->_EyeZDir);
+         NORMALIZE_3FV(value);
+         value[3] = 1.0;
+         return;
+      }                                                  
+
+
+
       case STATE_PT_SCALE:
          value[0] = ctx->Pixel.RedScale;
          value[1] = ctx->Pixel.GreenScale;
@@ -458,6 +488,10 @@ _mesa_fetch_state(GLcontext *ctx, const gl_state_index state[],
       case STATE_PCM_BIAS:
          COPY_4V(value, ctx->Pixel.PostColorMatrixBias);
          break;
+
+         /* XXX: make sure new tokens added here are also handled in the 
+          * _mesa_program_state_flags() switch, below.
+          */
       default:
          /* unknown state indexes are silently ignored
           *  should be handled by the driver.
@@ -531,10 +565,26 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
 
    case STATE_INTERNAL:
       switch (state[1]) {
+
+      case STATE_NORMAL_SCALE:
+         return _NEW_MODELVIEW;
+
       case STATE_TEXRECT_SCALE:
         return _NEW_TEXTURE;
       case STATE_FOG_PARAMS_OPTIMIZED:
         return _NEW_FOG;
+      case STATE_LIGHT_SPOT_DIR_NORMALIZED:
+      case STATE_LIGHT_POSITION:
+      case STATE_LIGHT_POSITION_NORMALIZED:
+      case STATE_LIGHT_HALF_VECTOR:
+         return _NEW_LIGHT;
+
+      case STATE_PT_SCALE:
+      case STATE_PT_BIAS:
+      case STATE_PCM_SCALE:
+      case STATE_PCM_BIAS:
+         return _NEW_PIXEL;
+
       default:
          /* unknown state indexes are silently ignored and
          *  no flag set, since it is handled by the driver.
@@ -696,7 +746,6 @@ append_token(char *dst, gl_state_index k)
       append(dst, "normalScale");
       break;
    case STATE_INTERNAL:
-   case STATE_POSITION_NORMALIZED:
       append(dst, "(internal)");
       break;
    case STATE_PT_SCALE:
@@ -738,7 +787,7 @@ append_index(char *dst, GLint index)
  * For example, return "state.matrix.texture[2].inverse".
  * Use _mesa_free() to deallocate the string.
  */
-const char *
+char *
 _mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
 {
    char str[1000] = "";