mesa: add _mesa_program_state_value_size() helper

[mesa.git] / src / mesa / program / prog_statevars.h

diff --git a/src/mesa/program/prog_statevars.h b/src/mesa/program/prog_statevars.h
index cfce226fb49b8d5752b7b3ba13af616b9731a999..4dc0123776ffa53924e1c65e3b08ac13ab28d0d1 100644 (file)
--- a/src/mesa/program/prog_statevars.h
+++ b/src/mesa/program/prog_statevars.h
@@ -1,6 +1,5 @@
 /*
  * Mesa 3-D graphics library
- * Version:  7.1
  *
  * Copyright (C) 1999-2007  Brian Paul   All Rights Reserved.
  *
@@ -17,22 +16,27 @@
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
  * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
- * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
- * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
  */
 
 #ifndef PROG_STATEVARS_H
 #define PROG_STATEVARS_H
 
-#include "main/mtypes.h"
 
+#include "main/glheader.h"
+#include "compiler/shader_enums.h"
+
+
+#ifdef __cplusplus
+extern "C" {
+#endif
 
-/**
- * Number of STATE_* values we need to address any GL state.
- * Used to dimension arrays.
- */
-#define STATE_LENGTH 5
+
+struct gl_context;
+struct gl_program_parameter_list;
 
 
 /**
@@ -94,6 +98,8 @@ typedef enum gl_state_index_ {
 
    STATE_TEXENV_COLOR,
 
+   STATE_NUM_SAMPLES,    /* An integer, not a float like the other state vars */
+
    STATE_DEPTH_RANGE,
 
    STATE_VERTEX_PROGRAM,
@@ -104,41 +110,49 @@ typedef enum gl_state_index_ {
 
    STATE_INTERNAL,             /* Mesa additions */
    STATE_CURRENT_ATTRIB,        /* ctx->Current vertex attrib value */
+   STATE_CURRENT_ATTRIB_MAYBE_VP_CLAMPED,        /* ctx->Current vertex attrib value after passthrough vertex processing */
    STATE_NORMAL_SCALE,
-   STATE_TEXRECT_SCALE,
    STATE_FOG_PARAMS_OPTIMIZED,  /* for faster fog calc */
    STATE_POINT_SIZE_CLAMPED,    /* includes implementation dependent size clamp */
-   STATE_POINT_SIZE_IMPL_CLAMP, /* for implementation clamp only in vs */
    STATE_LIGHT_SPOT_DIR_NORMALIZED,   /* pre-normalized spot dir */
    STATE_LIGHT_POSITION,              /* object vs eye space */
    STATE_LIGHT_POSITION_NORMALIZED,   /* object vs eye space */
    STATE_LIGHT_HALF_VECTOR,           /* object vs eye space */
    STATE_PT_SCALE,              /**< Pixel transfer RGBA scale */
    STATE_PT_BIAS,               /**< Pixel transfer RGBA bias */
-   STATE_SHADOW_AMBIENT,        /**< ARB_shadow_ambient fail value; token[2] is texture unit index */
    STATE_FB_SIZE,               /**< (width-1, height-1, 0, 0) */
-   STATE_ROT_MATRIX_0,          /**< ATI_envmap_bumpmap, rot matrix row 0 */
-   STATE_ROT_MATRIX_1,          /**< ATI_envmap_bumpmap, rot matrix row 1 */
+   STATE_FB_WPOS_Y_TRANSFORM,   /**< (1, 0, -1, height) if a FBO is bound, (-1, height, 1, 0) otherwise */
+   STATE_TCS_PATCH_VERTICES_IN, /**< gl_PatchVerticesIn for TCS (integer) */
+   STATE_TES_PATCH_VERTICES_IN, /**< gl_PatchVerticesIn for TES (integer) */
+   /**
+    * A single enum gl_blend_support_qualifier value representing the
+    * currently active advanced blending equation, or zero if disabled.
+    */
+   STATE_ADVANCED_BLENDING_MODE,
+   STATE_ALPHA_REF,        /* alpha-test reference value */
+   STATE_CLIP_INTERNAL,    /* similar to STATE_CLIPPLANE, but in clip-space */
    STATE_INTERNAL_DRIVER       /* first available state index for drivers (must be last) */
 } gl_state_index;
 
 
-
 extern void
-_mesa_load_state_parameters(GLcontext *ctx,
+_mesa_load_state_parameters(struct gl_context *ctx,
                             struct gl_program_parameter_list *paramList);
 
+extern unsigned
+_mesa_program_state_value_size(const gl_state_index16 state[STATE_LENGTH]);
 
 extern GLbitfield
-_mesa_program_state_flags(const gl_state_index state[STATE_LENGTH]);
+_mesa_program_state_flags(const gl_state_index16 state[STATE_LENGTH]);
 
 
 extern char *
-_mesa_program_state_string(const gl_state_index state[STATE_LENGTH]);
+_mesa_program_state_string(const gl_state_index16 state[STATE_LENGTH]);
 
 
-extern void
-_mesa_load_tracked_matrices(GLcontext *ctx);
 
+#ifdef __cplusplus
+}
+#endif
 
 #endif /* PROG_STATEVARS_H */