glsl: use is_sampler() anywhere it's possible
[mesa.git] / src / mesa / main / uniform_query.cpp
index d5a2d0f58bc0aaaacc6e4af459b784a322dadc61..4d06313565f63cb8b0fd37796a382c1cd89c2525 100644 (file)
@@ -25,6 +25,7 @@
  */
 
 #include <stdlib.h>
+#include <inttypes.h>  /* for PRIx64 macro */
 
 #include "main/core.h"
 #include "main/context.h"
@@ -156,11 +157,11 @@ _mesa_GetActiveUniformsiv(GLuint program,
 }
 
 static struct gl_uniform_storage *
-validate_uniform_parameters(struct gl_context *ctx,
-                           struct gl_shader_program *shProg,
-                           GLint location, GLsizei count,
-                           unsigned *array_index,
-                           const char *caller)
+validate_uniform_parameters(GLint location, GLsizei count,
+                            unsigned *array_index,
+                            struct gl_context *ctx,
+                            struct gl_shader_program *shProg,
+                            const char *caller)
 {
    if (shProg == NULL) {
       _mesa_error(ctx, GL_INVALID_OPERATION, "%s(program not linked)", caller);
@@ -284,8 +285,8 @@ _mesa_get_uniform(struct gl_context *ctx, GLuint program, GLint location,
    unsigned offset;
 
    struct gl_uniform_storage *const uni =
-      validate_uniform_parameters(ctx, shProg, location, 1,
-                                  &offset, "glGetUniform");
+      validate_uniform_parameters(location, 1, &offset,
+                                  ctx, shProg, "glGetUniform");
    if (uni == NULL) {
       /* For glGetUniform, page 264 (page 278 of the PDF) of the OpenGL 2.1
        * spec says:
@@ -354,8 +355,8 @@ _mesa_get_uniform(struct gl_context *ctx, GLuint program, GLint location,
              &&
              (uni->type->base_type == GLSL_TYPE_INT
               || uni->type->base_type == GLSL_TYPE_UINT
-               || uni->type->base_type == GLSL_TYPE_SAMPLER
-               || uni->type->base_type == GLSL_TYPE_IMAGE))
+               || uni->type->is_sampler()
+               || uni->type->is_image()))
           || ((returnType == GLSL_TYPE_UINT64 ||
                returnType == GLSL_TYPE_INT64 ) &&
               (uni->type->base_type == GLSL_TYPE_UINT64 ||
@@ -506,20 +507,28 @@ _mesa_get_uniform(struct gl_context *ctx, GLuint program, GLint location,
             case GLSL_TYPE_INT64:
             case GLSL_TYPE_UINT64:
                switch (uni->type->base_type) {
-               case GLSL_TYPE_UINT:
-                  *(int64_t *)&dst[didx].u = (int64_t) src[sidx].u;
+               case GLSL_TYPE_UINT: {
+                  uint64_t tmp = src[sidx].u;
+                  memcpy(&dst[didx].u, &tmp, sizeof(tmp));
                   break;
+               }
                case GLSL_TYPE_INT:
                case GLSL_TYPE_SAMPLER:
-               case GLSL_TYPE_IMAGE:
-                  *(int64_t *)&dst[didx].u = (int64_t) src[sidx].i;
+               case GLSL_TYPE_IMAGE: {
+                  int64_t tmp = src[sidx].i;
+                  memcpy(&dst[didx].u, &tmp, sizeof(tmp));
                   break;
-               case GLSL_TYPE_BOOL:
-                  *(int64_t *)&dst[didx].u = src[sidx].i ? 1.0f : 0.0f;
+               }
+               case GLSL_TYPE_BOOL: {
+                  int64_t tmp = src[sidx].i ? 1.0f : 0.0f;
+                  memcpy(&dst[didx].u, &tmp, sizeof(tmp));
                   break;
-               case GLSL_TYPE_FLOAT:
-                  *(int64_t *)&dst[didx].u = (int64_t) src[sidx].f;
+               }
+               case GLSL_TYPE_FLOAT: {
+                  int64_t tmp = src[sidx].f;
+                  memcpy(&dst[didx].u, &tmp, sizeof(tmp));
                   break;
+               }
                default:
                   assert(!"Should not get here.");
                   break;
@@ -562,12 +571,18 @@ log_uniform(const void *values, enum glsl_base_type basicType,
       case GLSL_TYPE_INT:
         printf("%d ", v[i].i);
         break;
-      case GLSL_TYPE_UINT64:
-         printf("%lu ", *(uint64_t* )&v[i * 2].u);
+      case GLSL_TYPE_UINT64: {
+         uint64_t tmp;
+         memcpy(&tmp, &v[i * 2].u, sizeof(tmp));
+         printf("%" PRIu64 " ", tmp);
          break;
-      case GLSL_TYPE_INT64:
-         printf("%ld ", *(int64_t* )&v[i * 2].u);
+      }
+      case GLSL_TYPE_INT64: {
+         int64_t tmp;
+         memcpy(&tmp, &v[i * 2].u, sizeof(tmp));
+         printf("%" PRId64 " ", tmp);
          break;
+      }
       case GLSL_TYPE_FLOAT:
         printf("%g ", v[i].f);
         break;
@@ -771,18 +786,16 @@ glsl_type_name(enum glsl_base_type type)
  * Called via glUniform*() functions.
  */
 extern "C" void
-_mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg,
-             GLint location, GLsizei count,
-              const GLvoid *values,
-              enum glsl_base_type basicType,
-              unsigned src_components)
+_mesa_uniform(GLint location, GLsizei count, const GLvoid *values,
+              struct gl_context *ctx, struct gl_shader_program *shProg,
+              enum glsl_base_type basicType, unsigned src_components)
 {
    unsigned offset;
    int size_mul = glsl_base_type_is_64bit(basicType) ? 2 : 1;
 
    struct gl_uniform_storage *const uni =
-      validate_uniform_parameters(ctx, shProg, location, count,
-                                  &offset, "glUniform");
+      validate_uniform_parameters(location, count, &offset,
+                                  ctx, shProg, "glUniform");
    if (uni == NULL)
       return;
 
@@ -985,20 +998,15 @@ _mesa_uniform(struct gl_context *ctx, struct gl_shader_program *shProg,
  * Note: cols=2, rows=4  ==>  array[2] of vec4
  */
 extern "C" void
-_mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
-                    GLuint cols, GLuint rows,
-                     GLint location, GLsizei count,
-                     GLboolean transpose,
-                     const GLvoid *values, enum glsl_base_type basicType)
+_mesa_uniform_matrix(GLint location, GLsizei count,
+                     GLboolean transpose, const void *values,
+                     struct gl_context *ctx, struct gl_shader_program *shProg,
+                     GLuint cols, GLuint rows, enum glsl_base_type basicType)
 {
    unsigned offset;
-   unsigned vectors;
-   unsigned components;
-   unsigned elements;
-   int size_mul;
    struct gl_uniform_storage *const uni =
-      validate_uniform_parameters(ctx, shProg, location, count,
-                                  &offset, "glUniformMatrix");
+      validate_uniform_parameters(location, count, &offset,
+                                  ctx, shProg, "glUniformMatrix");
    if (uni == NULL)
       return;
 
@@ -1009,11 +1017,11 @@ _mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
    }
 
    assert(basicType == GLSL_TYPE_FLOAT || basicType == GLSL_TYPE_DOUBLE);
-   size_mul = basicType == GLSL_TYPE_DOUBLE ? 2 : 1;
+   const unsigned size_mul = basicType == GLSL_TYPE_DOUBLE ? 2 : 1;
 
    assert(!uni->type->is_sampler());
-   vectors = uni->type->matrix_columns;
-   components = uni->type->vector_elements;
+   const unsigned vectors = uni->type->matrix_columns;
+   const unsigned components = uni->type->vector_elements;
 
    /* Verify that the types are compatible.  This is greatly simplified for
     * matrices because they can only have a float base type.
@@ -1084,7 +1092,7 @@ _mesa_uniform_matrix(struct gl_context *ctx, struct gl_shader_program *shProg,
 
    /* Store the data in the "actual type" backing storage for the uniform.
     */
-   elements = components * vectors;
+   const unsigned elements = components * vectors;
 
    if (!transpose) {
       memcpy(&uni->storage[size_mul * elements * offset], values,