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Diffstat (limited to 'mesalib/src/mesa/vbo/vbo_exec_array.c')
-rw-r--r--mesalib/src/mesa/vbo/vbo_exec_array.c52
1 files changed, 19 insertions, 33 deletions
diff --git a/mesalib/src/mesa/vbo/vbo_exec_array.c b/mesalib/src/mesa/vbo/vbo_exec_array.c
index 2db85e2e5..fec49d35e 100644
--- a/mesalib/src/mesa/vbo/vbo_exec_array.c
+++ b/mesalib/src/mesa/vbo/vbo_exec_array.c
@@ -75,6 +75,22 @@ vbo_check_buffers_are_unmapped(struct gl_context *ctx)
assert(!_mesa_bufferobj_mapped(exec->vtx.bufferobj));
}
+int
+vbo_sizeof_ib_type(GLenum type)
+{
+ switch (type) {
+ case GL_UNSIGNED_INT:
+ return sizeof(GLuint);
+ case GL_UNSIGNED_SHORT:
+ return sizeof(GLushort);
+ case GL_UNSIGNED_BYTE:
+ return sizeof(GLubyte);
+ default:
+ assert(!"unsupported index data type");
+ /* In case assert is turned off */
+ return 0;
+ }
+}
/**
@@ -96,24 +112,8 @@ vbo_get_minmax_index(struct gl_context *ctx,
GLuint i;
if (_mesa_is_bufferobj(ib->obj)) {
- unsigned map_size;
-
- switch (ib->type) {
- case GL_UNSIGNED_INT:
- map_size = count * sizeof(GLuint);
- break;
- case GL_UNSIGNED_SHORT:
- map_size = count * sizeof(GLushort);
- break;
- case GL_UNSIGNED_BYTE:
- map_size = count * sizeof(GLubyte);
- break;
- default:
- assert(0);
- map_size = 0;
- }
-
- indices = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr, map_size,
+ indices = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr,
+ count * vbo_sizeof_ib_type(ib->type),
GL_MAP_READ_BIT, ib->obj);
} else {
indices = ib->ptr;
@@ -1053,7 +1053,7 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
struct vbo_exec_context *exec = &vbo->exec;
struct _mesa_index_buffer ib;
struct _mesa_prim *prim;
- unsigned int index_type_size = 0;
+ unsigned int index_type_size = vbo_sizeof_ib_type(type);
uintptr_t min_index_ptr, max_index_ptr;
GLboolean fallback = GL_FALSE;
int i;
@@ -1083,20 +1083,6 @@ vbo_validated_multidrawelements(struct gl_context *ctx, GLenum mode,
if (ctx->NewState)
_mesa_update_state( ctx );
- switch (type) {
- case GL_UNSIGNED_INT:
- index_type_size = 4;
- break;
- case GL_UNSIGNED_SHORT:
- index_type_size = 2;
- break;
- case GL_UNSIGNED_BYTE:
- index_type_size = 1;
- break;
- default:
- assert(0);
- }
-
min_index_ptr = (uintptr_t)indices[0];
max_index_ptr = 0;
for (i = 0; i < primcount; i++) {