/*
* Mesa 3-D graphics library
- * Version: 5.1
+ * Version: 7.2
*
- * Copyright (C) 1999-2003 Brian Paul All Rights Reserved.
+ * Copyright (C) 1999-2008 Brian Paul All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* Keith Whitwell <keith@tungstengraphics.com>
*/
-#include "glheader.h"
-#include "context.h"
-#include "enums.h"
-#include "state.h"
-#include "macros.h"
+#include "main/glheader.h"
+#include "main/bufferobj.h"
+#include "main/context.h"
+#include "main/enums.h"
+#include "main/state.h"
+#include "main/macros.h"
#include "vbo_context.h"
return 2;
}
case GL_TRIANGLE_STRIP:
+ /* no parity issue, but need to make sure the tri is not drawn twice */
+ if (nr & 1) {
+ exec->vtx.prim[exec->vtx.prim_count-1].count--;
+ }
+ /* fallthrough */
case GL_QUAD_STRIP:
switch (nr) {
case 0: ovf = 0; break;
for (i = 0 ; i < ovf ; i++)
_mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
return i;
- case GL_POLYGON+1:
+ case PRIM_OUTSIDE_BEGIN_END:
return 0;
default:
assert(0);
}
+
/* TODO: populate these as the vertex is defined:
*/
-static void vbo_exec_bind_arrays( struct vbo_exec_context *exec )
+static void vbo_exec_bind_arrays( GLcontext *ctx )
{
+ struct vbo_context *vbo = vbo_context(ctx);
+ struct vbo_exec_context *exec = &vbo->exec;
struct gl_client_array *arrays = exec->vtx.arrays;
GLuint count = exec->vtx.vert_count;
GLubyte *data = exec->vtx.buffer_map;
+ const GLuint *map;
GLuint attr;
+ GLbitfield varying_inputs = 0x0;
- memcpy(arrays, exec->legacy_currval, 16 * sizeof(arrays[0]));
- memcpy(arrays + 16, exec->mat_currval, 16 * sizeof(arrays[0]));
+ /* Install the default (ie Current) attributes first, then overlay
+ * all active ones.
+ */
+ switch (get_program_mode(exec->ctx)) {
+ case VP_NONE:
+ for (attr = 0; attr < 16; attr++) {
+ exec->vtx.inputs[attr] = &vbo->legacy_currval[attr];
+ }
+ for (attr = 0; attr < MAT_ATTRIB_MAX; attr++) {
+ exec->vtx.inputs[attr + 16] = &vbo->mat_currval[attr];
+ }
+ map = vbo->map_vp_none;
+ break;
+ case VP_NV:
+ case VP_ARB:
+ /* The aliasing of attributes for NV vertex programs has already
+ * occurred. NV vertex programs cannot access material values,
+ * nor attributes greater than VERT_ATTRIB_TEX7.
+ */
+ for (attr = 0; attr < 16; attr++) {
+ exec->vtx.inputs[attr] = &vbo->legacy_currval[attr];
+ exec->vtx.inputs[attr + 16] = &vbo->generic_currval[attr];
+ }
+ map = vbo->map_vp_arb;
+ break;
+ }
/* Make all active attributes (including edgeflag) available as
* arrays of floats.
*/
- for (attr = 0; attr < VBO_ATTRIB_MAX ; attr++) {
- if (exec->vtx.attrsz[attr]) {
- arrays[attr].Ptr = (void *)data;
- arrays[attr].Size = exec->vtx.attrsz[attr];
+ for (attr = 0; attr < VERT_ATTRIB_MAX ; attr++) {
+ const GLuint src = map[attr];
+
+ if (exec->vtx.attrsz[src]) {
+ /* override the default array set above */
+ exec->vtx.inputs[attr] = &arrays[attr];
+
+ if (exec->vtx.bufferobj->Name) {
+ /* a real buffer obj: Ptr is an offset, not a pointer*/
+ int offset;
+ assert(exec->vtx.bufferobj->Pointer); /* buf should be mapped */
+ offset = (GLbyte *) data - (GLbyte *) exec->vtx.bufferobj->Pointer;
+ assert(offset >= 0);
+ arrays[attr].Ptr = (void *) offset;
+ }
+ else {
+ /* Ptr into ordinary app memory */
+ arrays[attr].Ptr = (void *) data;
+ }
+ arrays[attr].Size = exec->vtx.attrsz[src];
arrays[attr].StrideB = exec->vtx.vertex_size * sizeof(GLfloat);
arrays[attr].Stride = exec->vtx.vertex_size * sizeof(GLfloat);
arrays[attr].Type = GL_FLOAT;
arrays[attr].Enabled = 1;
- arrays[attr].BufferObj = exec->vtx.bufferobj; /* NullBufferObj */
+ _mesa_reference_buffer_object(ctx,
+ &arrays[attr].BufferObj,
+ exec->vtx.bufferobj);
arrays[attr]._MaxElement = count; /* ??? */
- data += exec->vtx.attrsz[attr] * sizeof(GLfloat);
+ data += exec->vtx.attrsz[src] * sizeof(GLfloat);
+ varying_inputs |= 1<<attr;
}
}
+
+ _mesa_set_varying_vp_inputs( ctx, varying_inputs );
}
if (exec->vtx.copied.nr != exec->vtx.vert_count) {
GLcontext *ctx = exec->ctx;
- vbo_exec_bind_arrays( exec );
+ GLenum target = GL_ARRAY_BUFFER_ARB;
+ GLenum access = GL_READ_WRITE_ARB;
+ GLenum usage = GL_STREAM_DRAW_ARB;
+ GLsizei size = VBO_VERT_BUFFER_SIZE * sizeof(GLfloat);
+
+ /* Before the unmap (why?)
+ */
+ vbo_exec_bind_arrays( ctx );
+
+ if (ctx->NewState)
+ _mesa_update_state( ctx );
+
+ /* if using a real VBO, unmap it before drawing */
+ if (exec->vtx.bufferobj->Name) {
+ ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj);
+ exec->vtx.buffer_map = NULL;
+ }
vbo_context(ctx)->draw_prims( ctx,
exec->vtx.inputs,
exec->vtx.prim_count,
NULL,
0,
- exec->vtx.vert_count );
+ exec->vtx.vert_count - 1);
+
+ /* If using a real VBO, get new storage */
+ if (exec->vtx.bufferobj->Name) {
+ ctx->Driver.BufferData(ctx, target, size, NULL, usage, exec->vtx.bufferobj);
+ exec->vtx.buffer_map =
+ ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+ }
}
}
projects / mesa.git / blobdiff