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authorBrian <brian.paul@tungstengraphics.com>2007-08-23 17:39:52 -0600
committerBrian <brian.paul@tungstengraphics.com>2007-08-23 17:39:52 -0600
commit7d5e7f03191673a02f8d3b9d5e4b95c074c5acdd (patch)
tree499bf07a665d9b27fd0faf8ae431fc7cdc237502 /src/mesa/state_tracker/st_draw.c
parentd8b16d416de95daa4f0ede9b839bdbf0fa6bf1b1 (diff)
map Mesa vertex attribs/arrays to TGSI attribs
Diffstat (limited to 'src/mesa/state_tracker/st_draw.c')
-rw-r--r--src/mesa/state_tracker/st_draw.c74
1 files changed, 69 insertions, 5 deletions
diff --git a/src/mesa/state_tracker/st_draw.c b/src/mesa/state_tracker/st_draw.c
index 5a13fdd2bf..a88e2106d7 100644
--- a/src/mesa/state_tracker/st_draw.c
+++ b/src/mesa/state_tracker/st_draw.c
@@ -44,6 +44,7 @@
#include "pipe/p_context.h"
#include "pipe/p_defines.h"
#include "pipe/p_winsys.h"
+#include "pipe/tgsi/core/tgsi_attribs.h"
@@ -71,6 +72,68 @@ pipe_vertex_format(GLenum format, GLuint size)
}
+/**
+ * Convert a mesa vertex attribute to a TGSI attribute
+ */
+static GLuint
+tgsi_attrib_to_mesa_attrib(GLuint attr)
+{
+ switch (attr) {
+ case TGSI_ATTRIB_POS:
+ return VERT_ATTRIB_POS;
+ case TGSI_ATTRIB_WEIGHT:
+ return VERT_ATTRIB_WEIGHT;
+ case TGSI_ATTRIB_NORMAL:
+ return VERT_ATTRIB_NORMAL;
+ case TGSI_ATTRIB_COLOR0:
+ return VERT_ATTRIB_COLOR0;
+ case TGSI_ATTRIB_COLOR1:
+ return VERT_ATTRIB_COLOR1;
+ case TGSI_ATTRIB_FOG:
+ return VERT_ATTRIB_FOG;
+ case TGSI_ATTRIB_COLOR_INDEX:
+ return VERT_ATTRIB_COLOR_INDEX;
+ case TGSI_ATTRIB_EDGEFLAG:
+ return VERT_ATTRIB_EDGEFLAG;
+ case TGSI_ATTRIB_TEX0:
+ return VERT_ATTRIB_TEX0;
+ case TGSI_ATTRIB_TEX1:
+ return VERT_ATTRIB_TEX1;
+ case TGSI_ATTRIB_TEX2:
+ return VERT_ATTRIB_TEX2;
+ case TGSI_ATTRIB_TEX3:
+ return VERT_ATTRIB_TEX3;
+ case TGSI_ATTRIB_TEX4:
+ return VERT_ATTRIB_TEX4;
+ case TGSI_ATTRIB_TEX5:
+ return VERT_ATTRIB_TEX5;
+ case TGSI_ATTRIB_TEX6:
+ return VERT_ATTRIB_TEX6;
+ case TGSI_ATTRIB_TEX7:
+ return VERT_ATTRIB_TEX7;
+ case TGSI_ATTRIB_VAR0:
+ return VERT_ATTRIB_GENERIC0;
+ case TGSI_ATTRIB_VAR1:
+ return VERT_ATTRIB_GENERIC1;
+ case TGSI_ATTRIB_VAR2:
+ return VERT_ATTRIB_GENERIC2;
+ case TGSI_ATTRIB_VAR3:
+ return VERT_ATTRIB_GENERIC3;
+ case TGSI_ATTRIB_VAR4:
+ return VERT_ATTRIB_GENERIC4;
+ case TGSI_ATTRIB_VAR5:
+ return VERT_ATTRIB_GENERIC5;
+ case TGSI_ATTRIB_VAR6:
+ return VERT_ATTRIB_GENERIC6;
+ case TGSI_ATTRIB_VAR7:
+ return VERT_ATTRIB_GENERIC7;
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
+
/**
* The default attribute buffer is basically a copy of the
@@ -141,27 +204,28 @@ draw_vbo(GLcontext *ctx,
velement.src_format = 0;
if (attrsNeeded & (1 << attr)) {
- struct gl_buffer_object *bufobj = arrays[attr]->BufferObj;
+ const GLuint mesaAttr = tgsi_attrib_to_mesa_attrib(attr);
+ struct gl_buffer_object *bufobj = arrays[mesaAttr]->BufferObj;
if (bufobj && bufobj->Name) {
struct st_buffer_object *stobj = st_buffer_object(bufobj);
/* Recall that for VBOs, the gl_client_array->Ptr field is
* really an offset from the start of the VBO, not a pointer.
*/
- unsigned offset = (unsigned) arrays[attr]->Ptr;
+ unsigned offset = (unsigned) arrays[mesaAttr]->Ptr;
assert(stobj->buffer);
vbuffer.buffer = stobj->buffer;
vbuffer.buffer_offset = attr0_offset; /* in bytes */
- vbuffer.pitch = arrays[attr]->StrideB; /* in bytes */
+ vbuffer.pitch = arrays[mesaAttr]->StrideB; /* in bytes */
vbuffer.max_index = 0; /* need this? */
velement.src_offset = offset - attr0_offset; /* bytes */
velement.vertex_buffer_index = attr;
velement.dst_offset = 0; /* need this? */
- velement.src_format = pipe_vertex_format(arrays[attr]->Type,
- arrays[attr]->Size);
+ velement.src_format = pipe_vertex_format(arrays[mesaAttr]->Type,
+ arrays[mesaAttr]->Size);
assert(velement.src_format);
}
else {