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-rw-r--r--src/mesa/vbo/vbo_context.c95
1 files changed, 43 insertions, 52 deletions
diff --git a/src/mesa/vbo/vbo_context.c b/src/mesa/vbo/vbo_context.c
index b5dc45cb603..5e1a760eb2c 100644
--- a/src/mesa/vbo/vbo_context.c
+++ b/src/mesa/vbo/vbo_context.c
@@ -43,32 +43,47 @@ static GLuint check_size( const GLfloat *attr )
}
+/**
+ * Helper for initializing a vertex array.
+ */
+static void
+init_array(struct gl_context *ctx, struct gl_client_array *cl,
+ unsigned size, const void *pointer)
+{
+ memset(cl, 0, sizeof(*cl));
+
+ cl->Size = size;
+ cl->Type = GL_FLOAT;
+ cl->Format = GL_RGBA;
+ cl->Stride = 0;
+ cl->StrideB = 0;
+ cl->_ElementSize = cl->Size * sizeof(GLfloat);
+ cl->Ptr = pointer;
+ cl->Enabled = 1;
+
+ _mesa_reference_buffer_object(ctx, &cl->BufferObj,
+ ctx->Shared->NullBufferObj);
+}
+
+
+/**
+ * Set up the vbo->currval arrays to point at the context's current
+ * vertex attributes (with strides = 0).
+ */
static void init_legacy_currval(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- struct gl_client_array *arrays = &vbo->currval[VBO_ATTRIB_POS];
GLuint i;
- memset(arrays, 0, sizeof(*arrays) * VERT_ATTRIB_FF_MAX);
-
/* Set up a constant (StrideB == 0) array for each current
* attribute:
*/
for (i = 0; i < VERT_ATTRIB_FF_MAX; i++) {
- struct gl_client_array *cl = &arrays[i];
+ struct gl_client_array *cl = &vbo->currval[VERT_ATTRIB_FF(i)];
- /* Size will have to be determined at runtime:
- */
- cl->Size = check_size(ctx->Current.Attrib[i]);
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->Type = GL_FLOAT;
- cl->Format = GL_RGBA;
- cl->Ptr = (const void *)ctx->Current.Attrib[i];
- cl->_ElementSize = cl->Size * sizeof(GLfloat);
- _mesa_reference_buffer_object(ctx, &cl->BufferObj,
- ctx->Shared->NullBufferObj);
+ init_array(ctx, cl,
+ check_size(ctx->Current.Attrib[i]),
+ ctx->Current.Attrib[i]);
}
}
@@ -76,26 +91,12 @@ static void init_legacy_currval(struct gl_context *ctx)
static void init_generic_currval(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- struct gl_client_array *arrays = &vbo->currval[VBO_ATTRIB_GENERIC0];
GLuint i;
- memset(arrays, 0, sizeof(*arrays) * VERT_ATTRIB_GENERIC_MAX);
-
for (i = 0; i < VERT_ATTRIB_GENERIC_MAX; i++) {
- struct gl_client_array *cl = &arrays[i];
+ struct gl_client_array *cl = &vbo->currval[VBO_ATTRIB_GENERIC0 + i];
- /* This will have to be determined at runtime:
- */
- cl->Size = 1;
- cl->Type = GL_FLOAT;
- cl->Format = GL_RGBA;
- cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->_ElementSize = cl->Size * sizeof(GLfloat);
- _mesa_reference_buffer_object(ctx, &cl->BufferObj,
- ctx->Shared->NullBufferObj);
+ init_array(ctx, cl, 1, ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i]);
}
}
@@ -103,17 +104,15 @@ static void init_generic_currval(struct gl_context *ctx)
static void init_mat_currval(struct gl_context *ctx)
{
struct vbo_context *vbo = vbo_context(ctx);
- struct gl_client_array *arrays =
- &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT];
GLuint i;
- memset(arrays, 0, sizeof(*arrays) * MAT_ATTRIB_MAX);
-
/* Set up a constant (StrideB == 0) array for each current
* attribute:
*/
for (i = 0; i < MAT_ATTRIB_MAX; i++) {
- struct gl_client_array *cl = &arrays[i];
+ struct gl_client_array *cl =
+ &vbo->currval[VBO_ATTRIB_MAT_FRONT_AMBIENT + i];
+ unsigned size;
/* Size is fixed for the material attributes, for others will
* be determined at runtime:
@@ -121,26 +120,18 @@ static void init_mat_currval(struct gl_context *ctx)
switch (i) {
case MAT_ATTRIB_FRONT_SHININESS:
case MAT_ATTRIB_BACK_SHININESS:
- cl->Size = 1;
- break;
+ size = 1;
+ break;
case MAT_ATTRIB_FRONT_INDEXES:
case MAT_ATTRIB_BACK_INDEXES:
- cl->Size = 3;
- break;
+ size = 3;
+ break;
default:
- cl->Size = 4;
- break;
+ size = 4;
+ break;
}
- cl->Ptr = (const void *)ctx->Light.Material.Attrib[i];
- cl->Type = GL_FLOAT;
- cl->Format = GL_RGBA;
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->_ElementSize = cl->Size * sizeof(GLfloat);
- _mesa_reference_buffer_object(ctx, &cl->BufferObj,
- ctx->Shared->NullBufferObj);
+ init_array(ctx, cl, size, ctx->Light.Material.Attrib[i]);
}
}