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-rw-r--r--src/mesa/vbo/vbo_save.h1
-rw-r--r--src/mesa/vbo/vbo_save_api.c19
-rw-r--r--src/mesa/vbo/vbo_save_draw.c47
3 files changed, 36 insertions, 31 deletions
diff --git a/src/mesa/vbo/vbo_save.h b/src/mesa/vbo/vbo_save.h
index 1dc66a598e3..cb0bff23414 100644
--- a/src/mesa/vbo/vbo_save.h
+++ b/src/mesa/vbo/vbo_save.h
@@ -64,6 +64,7 @@ struct vbo_save_vertex_list {
GLbitfield64 enabled; /**< mask of enabled vbo arrays. */
GLubyte attrsz[VBO_ATTRIB_MAX];
GLenum16 attrtype[VBO_ATTRIB_MAX];
+ GLuint offsets[VBO_ATTRIB_MAX];
GLuint vertex_size; /**< size in GLfloats */
/* Copy of the final vertex from node->vertex_store->bufferobj.
diff --git a/src/mesa/vbo/vbo_save_api.c b/src/mesa/vbo/vbo_save_api.c
index a0fb62d8145..fb51bdb84e4 100644
--- a/src/mesa/vbo/vbo_save_api.c
+++ b/src/mesa/vbo/vbo_save_api.c
@@ -420,6 +420,8 @@ compile_vertex_list(struct gl_context *ctx)
{
struct vbo_save_context *save = &vbo_context(ctx)->save;
struct vbo_save_vertex_list *node;
+ GLuint offset;
+ unsigned i;
/* Allocate space for this structure in the display list currently
* being compiled.
@@ -443,6 +445,23 @@ compile_vertex_list(struct gl_context *ctx)
node->vertex_size = save->vertex_size;
node->buffer_offset =
(save->buffer_map - save->vertex_store->buffer_map) * sizeof(GLfloat);
+ if (aligned_vertex_buffer_offset(node)) {
+ /* The vertex size is an exact multiple of the buffer offset.
+ * This means that we can use zero-based vertex attribute pointers
+ * and specify the start of the primitive with the _mesa_prim::start
+ * field. This results in issuing several draw calls with identical
+ * vertex attribute information. This can result in fewer state
+ * changes in drivers. In particular, the Gallium CSO module will
+ * filter out redundant vertex buffer changes.
+ */
+ offset = 0;
+ } else {
+ offset = node->buffer_offset;
+ }
+ for (i = 0; i < VBO_ATTRIB_MAX; ++i) {
+ node->offsets[i] = offset;
+ offset += node->attrsz[i] * sizeof(GLfloat);
+ }
node->vertex_count = save->vert_count;
node->wrap_count = save->copied.nr;
node->dangling_attr_ref = save->dangling_attr_ref;
diff --git a/src/mesa/vbo/vbo_save_draw.c b/src/mesa/vbo/vbo_save_draw.c
index cf824c66b0c..486247f7441 100644
--- a/src/mesa/vbo/vbo_save_draw.c
+++ b/src/mesa/vbo/vbo_save_draw.c
@@ -26,6 +26,7 @@
* Keith Whitwell <[email protected]>
*/
+#include <stdbool.h>
#include "main/glheader.h"
#include "main/bufferobj.h"
#include "main/context.h"
@@ -137,29 +138,10 @@ bind_vertex_list(struct gl_context *ctx,
struct vbo_context *vbo = vbo_context(ctx);
struct vbo_save_context *save = &vbo->save;
struct gl_vertex_array *arrays = save->arrays;
- GLuint buffer_offset = node->buffer_offset;
const GLubyte *map;
GLuint attr;
- GLubyte node_attrsz[VBO_ATTRIB_MAX]; /* copy of node->attrsz[] */
- GLenum16 node_attrtype[VBO_ATTRIB_MAX]; /* copy of node->attrtype[] */
GLbitfield varying_inputs = 0x0;
-
- STATIC_ASSERT(sizeof(node_attrsz) == sizeof(node->attrsz));
- memcpy(node_attrsz, node->attrsz, sizeof(node->attrsz));
- STATIC_ASSERT(sizeof(node_attrtype) == sizeof(node->attrtype));
- memcpy(node_attrtype, node->attrtype, sizeof(node->attrtype));
-
- if (aligned_vertex_buffer_offset(node)) {
- /* The vertex size is an exact multiple of the buffer offset.
- * This means that we can use zero-based vertex attribute pointers
- * and specify the start of the primitive with the _mesa_prim::start
- * field. This results in issuing several draw calls with identical
- * vertex attribute information. This can result in fewer state
- * changes in drivers. In particular, the Gallium CSO module will
- * filter out redundant vertex buffer changes.
- */
- buffer_offset = 0;
- }
+ bool generic_from_pos = false;
/* Install the default (ie Current) attributes first */
for (attr = 0; attr < VERT_ATTRIB_FF_MAX; attr++) {
@@ -191,10 +173,7 @@ bind_vertex_list(struct gl_context *ctx,
ctx->VertexProgram._Current->info.inputs_read;
if ((inputs_read & VERT_BIT_POS) == 0 &&
(inputs_read & VERT_BIT_GENERIC0)) {
- save->inputs[VERT_ATTRIB_GENERIC0] = save->inputs[0];
- node_attrsz[VERT_ATTRIB_GENERIC0] = node_attrsz[0];
- node_attrtype[VERT_ATTRIB_GENERIC0] = node_attrtype[0];
- node_attrsz[0] = 0;
+ generic_from_pos = true;
}
break;
default:
@@ -203,31 +182,37 @@ bind_vertex_list(struct gl_context *ctx,
for (attr = 0; attr < VERT_ATTRIB_MAX; attr++) {
const GLuint src = map[attr];
+ const GLubyte size = node->attrsz[src];
- if (node_attrsz[src]) {
+ if (size) {
struct gl_vertex_array *array = &arrays[attr];
+ const GLenum16 type = node->attrtype[src];
/* override the default array set above */
save->inputs[attr] = array;
- array->Ptr = (const GLubyte *) NULL + buffer_offset;
- array->Size = node_attrsz[src];
+ array->Ptr = (const GLubyte *) NULL + node->offsets[src];
+ array->Size = size;
array->StrideB = node->vertex_size * sizeof(GLfloat);
- array->Type = node_attrtype[src];
- array->Integer = vbo_attrtype_to_integer_flag(node_attrtype[src]);
+ array->Type = type;
+ array->Integer = vbo_attrtype_to_integer_flag(type);
array->Format = GL_RGBA;
- array->_ElementSize = array->Size * sizeof(GLfloat);
+ array->_ElementSize = size * sizeof(GLfloat);
_mesa_reference_buffer_object(ctx,
&array->BufferObj,
node->vertex_store->bufferobj);
assert(array->BufferObj->Name);
- buffer_offset += node_attrsz[src] * sizeof(GLfloat);
varying_inputs |= VERT_BIT(attr);
}
}
+ if (generic_from_pos) {
+ varying_inputs |= (varying_inputs & VERT_BIT_POS) << VERT_ATTRIB_GENERIC0;
+ save->inputs[VERT_ATTRIB_GENERIC0] = save->inputs[VERT_ATTRIB_POS];
+ }
+
_mesa_set_varying_vp_inputs(ctx, varying_inputs);
ctx->NewDriverState |= ctx->DriverFlags.NewArray;
}