glsl_type: Add support for explicitly laid out matrices and arrays
[mesa.git] / src / mesa / program / prog_statevars.c
index 57b25a7e3b119e49ba238f94afb82f939476d4cf..3bbe451399f5adea1adad9cc9162eabc4b7255e7 100644 (file)
@@ -40,6 +40,7 @@
 #include "prog_statevars.h"
 #include "prog_parameter.h"
 #include "main/samplerobj.h"
+#include "main/framebuffer.h"
 
 
 #define ONE_DIV_SQRT_LN2 (1.201122408786449815)
  * The program parser will produce the state[] values.
  */
 static void
-_mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
-                  GLfloat *value)
+_mesa_fetch_state(struct gl_context *ctx, const gl_state_index16 state[],
+                  gl_constant_value *val)
 {
+   GLfloat *value = &val->f;
+
    switch (state[0]) {
    case STATE_MATERIAL:
       {
@@ -212,28 +215,28 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
          /* state[2] is the texgen attribute */
          switch (state[2]) {
          case STATE_TEXGEN_EYE_S:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenS.EyePlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenS.EyePlane);
             return;
          case STATE_TEXGEN_EYE_T:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenT.EyePlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenT.EyePlane);
             return;
          case STATE_TEXGEN_EYE_R:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenR.EyePlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenR.EyePlane);
             return;
          case STATE_TEXGEN_EYE_Q:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenQ.EyePlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenQ.EyePlane);
             return;
          case STATE_TEXGEN_OBJECT_S:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenS.ObjectPlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenS.ObjectPlane);
             return;
          case STATE_TEXGEN_OBJECT_T:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenT.ObjectPlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenT.ObjectPlane);
             return;
          case STATE_TEXGEN_OBJECT_R:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenR.ObjectPlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenR.ObjectPlane);
             return;
          case STATE_TEXGEN_OBJECT_Q:
-            COPY_4V(value, ctx->Texture.Unit[unit].GenQ.ObjectPlane);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].GenQ.ObjectPlane);
             return;
          default:
             _mesa_problem(ctx, "Invalid texgen state in fetch_state");
@@ -244,14 +247,14 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
       {
          /* state[1] is the texture unit */
          const GLuint unit = (GLuint) state[1];
-         if (_mesa_get_clamp_fragment_color(ctx))
-            COPY_4V(value, ctx->Texture.Unit[unit].EnvColor);
+         if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].EnvColor);
          else
-            COPY_4V(value, ctx->Texture.Unit[unit].EnvColorUnclamped);
+            COPY_4V(value, ctx->Texture.FixedFuncUnit[unit].EnvColorUnclamped);
       }
       return;
    case STATE_FOG_COLOR:
-      if (_mesa_get_clamp_fragment_color(ctx))
+      if (_mesa_get_clamp_fragment_color(ctx, ctx->DrawBuffer))
          COPY_4V(value, ctx->Fog.Color);
       else
          COPY_4V(value, ctx->Fog.ColorUnclamped);
@@ -352,7 +355,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
       }
       return;
    case STATE_NUM_SAMPLES:
-      ((int *)value)[0] = ctx->DrawBuffer->Visual.samples;
+      val[0].i = MAX2(1, _mesa_geometric_samples(ctx->DrawBuffer));
       return;
    case STATE_DEPTH_RANGE:
       value[0] = ctx->ViewportArray[0].Near;                /* near       */
@@ -370,14 +373,17 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
                COPY_4V(value, ctx->FragmentProgram.Parameters[idx]);
                return;
             case STATE_LOCAL:
-               if (!ctx->FragmentProgram.Current->Base.LocalParams) {
-                  ctx->FragmentProgram.Current->Base.LocalParams =
-                     calloc(MAX_PROGRAM_LOCAL_PARAMS, sizeof(float[4]));
-                  if (!ctx->FragmentProgram.Current->Base.LocalParams)
+               if (!ctx->FragmentProgram.Current->arb.LocalParams) {
+                  ctx->FragmentProgram.Current->arb.LocalParams =
+                     rzalloc_array_size(ctx->FragmentProgram.Current,
+                                        sizeof(float[4]),
+                                        MAX_PROGRAM_LOCAL_PARAMS);
+                  if (!ctx->FragmentProgram.Current->arb.LocalParams)
                      return;
                }
 
-               COPY_4V(value, ctx->FragmentProgram.Current->Base.LocalParams[idx]);
+               COPY_4V(value,
+                       ctx->FragmentProgram.Current->arb.LocalParams[idx]);
                return;
             default:
                _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
@@ -396,14 +402,17 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
                COPY_4V(value, ctx->VertexProgram.Parameters[idx]);
                return;
             case STATE_LOCAL:
-               if (!ctx->VertexProgram.Current->Base.LocalParams) {
-                  ctx->VertexProgram.Current->Base.LocalParams =
-                     calloc(MAX_PROGRAM_LOCAL_PARAMS, sizeof(float[4]));
-                  if (!ctx->VertexProgram.Current->Base.LocalParams)
+               if (!ctx->VertexProgram.Current->arb.LocalParams) {
+                  ctx->VertexProgram.Current->arb.LocalParams =
+                     rzalloc_array_size(ctx->VertexProgram.Current,
+                                        sizeof(float[4]),
+                                        MAX_PROGRAM_LOCAL_PARAMS);
+                  if (!ctx->VertexProgram.Current->arb.LocalParams)
                      return;
                }
 
-               COPY_4V(value, ctx->VertexProgram.Current->Base.LocalParams[idx]);
+               COPY_4V(value,
+                       ctx->VertexProgram.Current->arb.LocalParams[idx]);
                return;
             default:
                _mesa_problem(ctx, "Bad state switch in _mesa_fetch_state()");
@@ -413,7 +422,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
       return;
 
    case STATE_NORMAL_SCALE:
-      ASSIGN_4V(value, ctx->_ModelViewInvScale, 0, 0, 1);
+      ASSIGN_4V(value, ctx->_ModelViewInvScaleEyespace, 0, 0, 1);
       return;
 
    case STATE_INTERNAL:
@@ -449,24 +458,6 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
                    1);
          return;
 
-      case STATE_TEXRECT_SCALE:
-         /* Value = { 1/texWidth, 1/texHeight, 0, 1 }.
-          * Used to convert unnormalized texcoords to normalized texcoords.
-          */
-         {
-            const int unit = (int) state[2];
-            const struct gl_texture_object *texObj
-               = ctx->Texture.Unit[unit]._Current;
-            if (texObj) {
-               struct gl_texture_image *texImage = texObj->Image[0][0];
-               ASSIGN_4V(value,
-                         (GLfloat) (1.0 / texImage->Width),
-                         (GLfloat) (1.0 / texImage->Height),
-                         0.0f, 1.0f);
-            }
-         }
-         return;
-
       case STATE_FOG_PARAMS_OPTIMIZED:
          /* for simpler per-vertex/pixel fog calcs. POW (for EXP/EXP2 fog)
           * might be more expensive than EX2 on some hw, plus it needs
@@ -474,7 +465,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
           * single MAD.
           * linear: fogcoord * -1/(end-start) + end/(end-start)
           * exp: 2^-(density/ln(2) * fogcoord)
-          * exp2: 2^-((density/(ln(2)^2) * fogcoord)^2)
+          * exp2: 2^-((density/(sqrt(ln(2))) * fogcoord)^2)
           */
          value[0] = (ctx->Fog.End == ctx->Fog.Start)
             ? 1.0f : (GLfloat)(-1.0F / (ctx->Fog.End - ctx->Fog.Start));
@@ -501,7 +492,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
                minImplSize = ctx->Const.MinPointSizeAA;
                maxImplSize = ctx->Const.MaxPointSize;
             }
-            else if (ctx->Point.SmoothFlag || ctx->Multisample._Enabled) {
+            else if (ctx->Point.SmoothFlag || _mesa_is_multisample_enabled(ctx)) {
                minImplSize = ctx->Const.MinPointSizeAA;
                maxImplSize = ctx->Const.MaxPointSizeAA;
             }
@@ -580,7 +571,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
       case STATE_FB_WPOS_Y_TRANSFORM:
          /* A driver may negate this conditional by using ZW swizzle
           * instead of XY (based on e.g. some other state). */
-         if (_mesa_is_user_fbo(ctx->DrawBuffer)) {
+         if (!ctx->DrawBuffer->FlipY) {
             /* Identity (XY) followed by flipping Y upside down (ZW). */
             value[0] = 1.0F;
             value[1] = 0.0F;
@@ -595,6 +586,22 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
          }
          return;
 
+      case STATE_TCS_PATCH_VERTICES_IN:
+         val[0].i = ctx->TessCtrlProgram.patch_vertices;
+         return;
+
+      case STATE_TES_PATCH_VERTICES_IN:
+         if (ctx->TessCtrlProgram._Current)
+            val[0].i = ctx->TessCtrlProgram._Current->info.tess.tcs_vertices_out;
+         else
+            val[0].i = ctx->TessCtrlProgram.patch_vertices;
+         return;
+
+      case STATE_ADVANCED_BLENDING_MODE:
+         val[0].i = _mesa_get_advanced_blend_sh_constant(
+                      ctx->Color.BlendEnabled, ctx->Color._AdvancedBlendMode);
+         return;
+
       /* XXX: make sure new tokens added here are also handled in the 
        * _mesa_program_state_flags() switch, below.
        */
@@ -621,7 +628,7 @@ _mesa_fetch_state(struct gl_context *ctx, const gl_state_index state[],
  * some GL state has changed.
  */
 GLbitfield
-_mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
+_mesa_program_state_flags(const gl_state_index16 state[STATE_LENGTH])
 {
    switch (state[0]) {
    case STATE_MATERIAL:
@@ -635,9 +642,9 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
       return _NEW_LIGHT;
 
    case STATE_TEXGEN:
-      return _NEW_TEXTURE;
+      return _NEW_TEXTURE_STATE;
    case STATE_TEXENV_COLOR:
-      return _NEW_TEXTURE | _NEW_BUFFERS | _NEW_FRAG_CLAMP;
+      return _NEW_TEXTURE_STATE | _NEW_BUFFERS | _NEW_FRAG_CLAMP;
 
    case STATE_FOG_COLOR:
       return _NEW_FOG | _NEW_BUFFERS | _NEW_FRAG_CLAMP;
@@ -685,8 +692,6 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
       case STATE_NORMAL_SCALE:
          return _NEW_MODELVIEW;
 
-      case STATE_TEXRECT_SCALE:
-        return _NEW_TEXTURE;
       case STATE_FOG_PARAMS_OPTIMIZED:
         return _NEW_FOG;
       case STATE_POINT_SIZE_CLAMPED:
@@ -705,6 +710,9 @@ _mesa_program_state_flags(const gl_state_index state[STATE_LENGTH])
       case STATE_FB_WPOS_Y_TRANSFORM:
          return _NEW_BUFFERS;
 
+      case STATE_ADVANCED_BLENDING_MODE:
+         return _NEW_COLOR;
+
       default:
          /* unknown state indexes are silently ignored and
          *  no flag set, since it is handled by the driver.
@@ -878,9 +886,6 @@ append_token(char *dst, gl_state_index k)
    case STATE_NORMAL_SCALE:
       append(dst, "normalScale");
       break;
-   case STATE_TEXRECT_SCALE:
-      append(dst, "texrectScale");
-      break;
    case STATE_FOG_PARAMS_OPTIMIZED:
       append(dst, "fogParamsOptimized");
       break;
@@ -911,6 +916,9 @@ append_token(char *dst, gl_state_index k)
    case STATE_FB_WPOS_Y_TRANSFORM:
       append(dst, "FbWposYTransform");
       break;
+   case STATE_ADVANCED_BLENDING_MODE:
+      append(dst, "AdvancedBlendingMode");
+      break;
    default:
       /* probably STATE_INTERNAL_DRIVER+i (driver private state) */
       append(dst, "driverState");
@@ -940,7 +948,7 @@ append_index(char *dst, GLint index)
  * Use free() to deallocate the string.
  */
 char *
-_mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
+_mesa_program_state_string(const gl_state_index16 state[STATE_LENGTH])
 {
    char str[1000] = "";
    char tmp[30];
@@ -1045,7 +1053,7 @@ _mesa_program_state_string(const gl_state_index state[STATE_LENGTH])
       break;
    }
 
-   return _mesa_strdup(str);
+   return strdup(str);
 }
 
 
@@ -1068,9 +1076,10 @@ _mesa_load_state_parameters(struct gl_context *ctx,
 
    for (i = 0; i < paramList->NumParameters; i++) {
       if (paramList->Parameters[i].Type == PROGRAM_STATE_VAR) {
+         unsigned pvo = paramList->ParameterValueOffset[i];
          _mesa_fetch_state(ctx,
                           paramList->Parameters[i].StateIndexes,
-                           &paramList->ParameterValues[i][0].f);
+                           paramList->ParameterValues + pvo);
       }
    }
 }