[Mesa-dev] [PATCH 01/12] mesa: Refactor element type checking into its own function

[Ian Romanick]

From: Ian Romanick <ian.d.romanick at intel.com>

This consolidates the tests and makes the emitted error message
consistent.

Signed-off-by: Ian Romanick <ian.d.romanick at intel.com>
---
 src/mesa/main/api_validate.c |   46 +++++++++++++++++++++---------------------
 1 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/src/mesa/main/api_validate.c b/src/mesa/main/api_validate.c
index eaf614b..e8c8333 100644
--- a/src/mesa/main/api_validate.c
+++ b/src/mesa/main/api_validate.c
@@ -262,6 +262,25 @@ _mesa_valid_prim_mode(struct gl_context *ctx, GLenum mode, const char *name)
    return GL_TRUE;
 }
 
+/**
+ * Verify that the element type is valid.
+ *
+ * Generates \c GL_INVALID_ENUM and returns \c false if it is not.
+ */
+static bool
+_mesa_valid_element_type(struct gl_context *ctx, GLenum type, const char *name)
+{
+   switch (type) {
+   case GL_UNSIGNED_BYTE:
+   case GL_UNSIGNED_SHORT:
+   case GL_UNSIGNED_INT:
+      return true;
+
+   default:
+      _mesa_error(ctx, GL_INVALID_ENUM, "%s(type = 0x%04x)", name, type);
+      return false;
+   }
+}
 
 /**
  * Error checking for glDrawElements().  Includes parameter checking
@@ -286,13 +305,8 @@ _mesa_validate_DrawElements(struct gl_context *ctx,
       return GL_FALSE;
    }
 
-   if (type != GL_UNSIGNED_INT &&
-       type != GL_UNSIGNED_BYTE &&
-       type != GL_UNSIGNED_SHORT)
-   {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glDrawElements(type)" );
+   if (!_mesa_valid_element_type(ctx, type, "glDrawElements"))
       return GL_FALSE;
-   }
 
    if (!check_valid_to_render(ctx, "glDrawElements"))
       return GL_FALSE;
@@ -348,13 +362,8 @@ _mesa_validate_MultiDrawElements(struct gl_context *ctx,
       return GL_FALSE;
    }
 
-   if (type != GL_UNSIGNED_INT &&
-       type != GL_UNSIGNED_BYTE &&
-       type != GL_UNSIGNED_SHORT)
-   {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glMultiDrawElements(type)" );
+   if (!_mesa_valid_element_type(ctx, type, "glMultiDrawElements"))
       return GL_FALSE;
-   }
 
    if (!check_valid_to_render(ctx, "glMultiDrawElements"))
       return GL_FALSE;
@@ -419,12 +428,8 @@ _mesa_validate_DrawRangeElements(struct gl_context *ctx, GLenum mode,
       return GL_FALSE;
    }
 
-   if (type != GL_UNSIGNED_INT &&
-       type != GL_UNSIGNED_BYTE &&
-       type != GL_UNSIGNED_SHORT) {
-      _mesa_error(ctx, GL_INVALID_ENUM, "glDrawRangeElements(type)" );
+   if (!_mesa_valid_element_type(ctx, type, "glDrawRangeElements"))
       return GL_FALSE;
-   }
 
    if (!check_valid_to_render(ctx, "glDrawRangeElements"))
       return GL_FALSE;
@@ -548,13 +553,8 @@ _mesa_validate_DrawElementsInstanced(struct gl_context *ctx,
       return GL_FALSE;
    }
 
-   if (type != GL_UNSIGNED_INT &&
-       type != GL_UNSIGNED_BYTE &&
-       type != GL_UNSIGNED_SHORT) {
-      _mesa_error(ctx, GL_INVALID_ENUM,
-                  "glDrawElementsInstanced(type=0x%x)", type);
+   if (!_mesa_valid_element_type(ctx, type, "glDrawElementsInstanced"))
       return GL_FALSE;
-   }
 
    if (numInstances <= 0) {
       if (numInstances < 0)
-- 
1.7.6.5