mesa: support boolean and integer-based parameters in prog_parameter

The functionality is not used by anything yet, and the glUniform functions will
need to be reworked before this can reach its full usefulness.  It is
nonetheless a step towards integer support in the state tracker and classic drivers.

1 files changed, 26 insertions, 24 deletions

diff --git a/src/mesa/program/prog_parameter.c b/src/mesa/program/prog_parameter.c
index 3570cab118b..b1cdf8bf2c0 100644
--- a/src/mesa/program/prog_parameter.c
+++ b/src/mesa/program/prog_parameter.c
@@ -56,8 +56,8 @@ _mesa_new_parameter_list_sized(unsigned size)
       p->Parameters = (struct gl_program_parameter *)
 	 calloc(1, size * sizeof(struct gl_program_parameter));
 
-      p->ParameterValues = (GLfloat (*)[4])
-         _mesa_align_malloc(size * 4 *sizeof(GLfloat), 16);
+      p->ParameterValues = (gl_constant_value (*)[4])
+         _mesa_align_malloc(size * 4 *sizeof(gl_constant_value), 16);
 
 
       if ((p->Parameters == NULL) || (p->ParameterValues == NULL)) {
@@ -101,14 +101,15 @@ _mesa_free_parameter_list(struct gl_program_parameter_list *paramList)
  * \param name  the parameter name, will be duplicated/copied!
  * \param size  number of elements in 'values' vector (1..4, or more)
  * \param datatype  GL_FLOAT, GL_FLOAT_VECx, GL_INT, GL_INT_VECx or GL_NONE.
- * \param values  initial parameter value, up to 4 GLfloats, or NULL
+ * \param values  initial parameter value, up to 4 gl_constant_values, or NULL
  * \param state  state indexes, or NULL
  * \return  index of new parameter in the list, or -1 if error (out of mem)
  */
 GLint
 _mesa_add_parameter(struct gl_program_parameter_list *paramList,
                     gl_register_file type, const char *name,
-                    GLuint size, GLenum datatype, const GLfloat *values,
+                    GLuint size, GLenum datatype,
+                    const gl_constant_value *values,
                     const gl_state_index state[STATE_LENGTH],
                     GLbitfield flags)
 {
@@ -127,10 +128,10 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
 		       oldNum * sizeof(struct gl_program_parameter),
 		       paramList->Size * sizeof(struct gl_program_parameter));
 
-      paramList->ParameterValues = (GLfloat (*)[4])
+      paramList->ParameterValues = (gl_constant_value (*)[4])
          _mesa_align_realloc(paramList->ParameterValues,         /* old buf */
-                             oldNum * 4 * sizeof(GLfloat),      /* old size */
-                             paramList->Size * 4 *sizeof(GLfloat), /* new sz */
+                             oldNum * 4 * sizeof(gl_constant_value),/* old sz */
+                             paramList->Size*4*sizeof(gl_constant_value),/*new*/
                              16);
    }
 
@@ -142,7 +143,7 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
       return -1;
    }
    else {
-      GLuint i;
+      GLuint i, j;
 
       paramList->NumParameters = oldNum + sz4;
 
@@ -163,7 +164,8 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
          }
          else {
             /* silence valgrind */
-            ASSIGN_4V(paramList->ParameterValues[oldNum + i], 0, 0, 0, 0);
+            for (j = 0; j < 4; j++)
+            	paramList->ParameterValues[oldNum + i][j].f = 0;
          }
          size -= 4;
       }
@@ -184,7 +186,7 @@ _mesa_add_parameter(struct gl_program_parameter_list *paramList,
  */
 GLint
 _mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
-                          const char *name, const GLfloat values[4])
+                          const char *name, const gl_constant_value values[4])
 {
    return _mesa_add_parameter(paramList, PROGRAM_NAMED_PARAM, name,
                               4, GL_NONE, values, NULL, 0x0);
@@ -204,17 +206,17 @@ _mesa_add_named_parameter(struct gl_program_parameter_list *paramList,
  */
 GLint
 _mesa_add_named_constant(struct gl_program_parameter_list *paramList,
-                         const char *name, const GLfloat values[4],
+                         const char *name, const gl_constant_value values[4],
                          GLuint size)
 {
    /* first check if this is a duplicate constant */
    GLint pos;
    for (pos = 0; pos < (GLint)paramList->NumParameters; pos++) {
-      const GLfloat *pvals = paramList->ParameterValues[pos];
-      if (pvals[0] == values[0] &&
-          pvals[1] == values[1] &&
-          pvals[2] == values[2] &&
-          pvals[3] == values[3] &&
+      const gl_constant_value *pvals = paramList->ParameterValues[pos];
+      if (pvals[0].u == values[0].u &&
+          pvals[1].u == values[1].u &&
+          pvals[2].u == values[2].u &&
+          pvals[3].u == values[3].u &&
           strcmp(paramList->Parameters[pos].Name, name) == 0) {
          /* Same name and value is already in the param list - reuse it */
          return pos;
@@ -240,7 +242,7 @@ _mesa_add_named_constant(struct gl_program_parameter_list *paramList,
  */
 GLint
 _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
-                           const GLfloat values[4], GLuint size,
+                           const gl_constant_value values[4], GLuint size,
                            GLuint *swizzleOut)
 {
    GLint pos;
@@ -262,7 +264,7 @@ _mesa_add_unnamed_constant(struct gl_program_parameter_list *paramList,
          struct gl_program_parameter *p = paramList->Parameters + pos;
          if (p->Type == PROGRAM_CONSTANT && p->Size + size <= 4) {
             /* ok, found room */
-            GLfloat *pVal = paramList->ParameterValues[pos];
+            gl_constant_value *pVal = paramList->ParameterValues[pos];
             GLuint swz = p->Size; /* 1, 2 or 3 for Y, Z, W */
             pVal[p->Size] = values[0];
             p->Size++;
@@ -401,7 +403,7 @@ _mesa_add_state_reference(struct gl_program_parameter_list *paramList,
  * Lookup a parameter value by name in the given parameter list.
  * \return pointer to the float[4] values.
  */
-GLfloat *
+gl_constant_value *
 _mesa_lookup_parameter_value(const struct gl_program_parameter_list *paramList,
                              GLsizei nameLen, const char *name)
 {
@@ -465,7 +467,7 @@ _mesa_lookup_parameter_index(const struct gl_program_parameter_list *paramList,
  */
 GLboolean
 _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
-                                const GLfloat v[], GLuint vSize,
+                                const gl_constant_value v[], GLuint vSize,
                                 GLint *posOut, GLuint *swizzleOut)
 {
    GLuint i;
@@ -484,7 +486,7 @@ _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
             /* swizzle not allowed */
             GLuint j, match = 0;
             for (j = 0; j < vSize; j++) {
-               if (v[j] == list->ParameterValues[i][j])
+               if (v[j].u == list->ParameterValues[i][j].u)
                   match++;
             }
             if (match == vSize) {
@@ -498,7 +500,7 @@ _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
                 /* look for v[0] anywhere within float[4] value */
                 GLuint j;
                 for (j = 0; j < list->Parameters[i].Size; j++) {
-                   if (list->ParameterValues[i][j] == v[0]) {
+                   if (list->ParameterValues[i][j].u == v[0].u) {
                       /* found it */
                       *posOut = i;
                       *swizzleOut = MAKE_SWIZZLE4(j, j, j, j);
@@ -511,13 +513,13 @@ _mesa_lookup_parameter_constant(const struct gl_program_parameter_list *list,
                 GLuint swz[4];
                 GLuint match = 0, j, k;
                 for (j = 0; j < vSize; j++) {
-                   if (v[j] == list->ParameterValues[i][j]) {
+                   if (v[j].u == list->ParameterValues[i][j].u) {
                       swz[j] = j;
                       match++;
                    }
                    else {
                       for (k = 0; k < list->Parameters[i].Size; k++) {
-                         if (v[j] == list->ParameterValues[i][k]) {
+                         if (v[j].u == list->ParameterValues[i][k].u) {
                             swz[j] = k;
                             match++;
                             break;