/**************************************************************************
-Copyright 2002-2008 Tungsten Graphics Inc., Cedar Park, Texas.
+Copyright 2002-2008 VMware, Inc.
All Rights Reserved.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
-TUNGSTEN GRAPHICS AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
+VMWARE AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
USE OR OTHER DEALINGS IN THE SOFTWARE.
/*
* Authors:
- * Keith Whitwell <keith@tungstengraphics.com>
+ * Keith Whitwell <keithw@vmware.com>
*/
#include "main/glheader.h"
}
-static void GLAPIENTRY
-vbo_exec_EvalMesh1(GLenum mode, GLint i1, GLint i2)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLint i;
- GLfloat u, du;
- GLenum prim;
-
- switch (mode) {
- case GL_POINT:
- prim = GL_POINTS;
- break;
- case GL_LINE:
- prim = GL_LINE_STRIP;
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh1(mode)" );
- return;
- }
-
- /* No effect if vertex maps disabled.
- */
- if (!ctx->Eval.Map1Vertex4 &&
- !ctx->Eval.Map1Vertex3)
- return;
-
- du = ctx->Eval.MapGrid1du;
- u = ctx->Eval.MapGrid1u1 + i1 * du;
-
- CALL_Begin(GET_DISPATCH(), (prim));
- for (i=i1;i<=i2;i++,u+=du) {
- CALL_EvalCoord1f(GET_DISPATCH(), (u));
- }
- CALL_End(GET_DISPATCH(), ());
-}
-
-
-static void GLAPIENTRY
-vbo_exec_EvalMesh2(GLenum mode, GLint i1, GLint i2, GLint j1, GLint j2)
-{
- GET_CURRENT_CONTEXT(ctx);
- GLfloat u, du, v, dv, v1, u1;
- GLint i, j;
-
- switch (mode) {
- case GL_POINT:
- case GL_LINE:
- case GL_FILL:
- break;
- default:
- _mesa_error( ctx, GL_INVALID_ENUM, "glEvalMesh2(mode)" );
- return;
- }
-
- /* No effect if vertex maps disabled.
- */
- if (!ctx->Eval.Map2Vertex4 &&
- !ctx->Eval.Map2Vertex3)
- return;
-
- du = ctx->Eval.MapGrid2du;
- dv = ctx->Eval.MapGrid2dv;
- v1 = ctx->Eval.MapGrid2v1 + j1 * dv;
- u1 = ctx->Eval.MapGrid2u1 + i1 * du;
-
- switch (mode) {
- case GL_POINT:
- CALL_Begin(GET_DISPATCH(), (GL_POINTS));
- for (v=v1,j=j1;j<=j2;j++,v+=dv) {
- for (u=u1,i=i1;i<=i2;i++,u+=du) {
- CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
- }
- }
- CALL_End(GET_DISPATCH(), ());
- break;
- case GL_LINE:
- for (v=v1,j=j1;j<=j2;j++,v+=dv) {
- CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP));
- for (u=u1,i=i1;i<=i2;i++,u+=du) {
- CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
- }
- CALL_End(GET_DISPATCH(), ());
- }
- for (u=u1,i=i1;i<=i2;i++,u+=du) {
- CALL_Begin(GET_DISPATCH(), (GL_LINE_STRIP));
- for (v=v1,j=j1;j<=j2;j++,v+=dv) {
- CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
- }
- CALL_End(GET_DISPATCH(), ());
- }
- break;
- case GL_FILL:
- for (v=v1,j=j1;j<j2;j++,v+=dv) {
- CALL_Begin(GET_DISPATCH(), (GL_TRIANGLE_STRIP));
- for (u=u1,i=i1;i<=i2;i++,u+=du) {
- CALL_EvalCoord2f(GET_DISPATCH(), (u, v));
- CALL_EvalCoord2f(GET_DISPATCH(), (u, v+dv));
- }
- CALL_End(GET_DISPATCH(), ());
- }
- break;
- }
-}
-
-
/**
* Called via glBegin.
*/
exec->vtx.prim[i].count = 0;
exec->vtx.prim[i].num_instances = 1;
exec->vtx.prim[i].base_instance = 0;
+ exec->vtx.prim[i].is_indirect = 0;
ctx->Driver.CurrentExecPrimitive = mode;
}
+/**
+ * Try to merge / concatenate the two most recent VBO primitives.
+ */
+static void
+try_vbo_merge(struct vbo_exec_context *exec)
+{
+ struct _mesa_prim *cur = &exec->vtx.prim[exec->vtx.prim_count - 1];
+
+ assert(exec->vtx.prim_count >= 1);
+
+ vbo_try_prim_conversion(cur);
+
+ if (exec->vtx.prim_count >= 2) {
+ struct _mesa_prim *prev = &exec->vtx.prim[exec->vtx.prim_count - 2];
+ assert(prev == cur - 1);
+
+ if (vbo_can_merge_prims(prev, cur)) {
+ assert(cur->begin);
+ assert(cur->end);
+ assert(prev->begin);
+ assert(prev->end);
+ vbo_merge_prims(prev, cur);
+ exec->vtx.prim_count--; /* drop the last primitive */
+ }
+ }
+}
+
+
/**
* Called via glEnd.
*/
exec->vtx.prim[i].end = 1;
exec->vtx.prim[i].count = idx - exec->vtx.prim[i].start;
+
+ try_vbo_merge(exec);
}
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
vfmt->EvalCoord2fv = vbo_exec_EvalCoord2fv;
vfmt->EvalPoint1 = vbo_exec_EvalPoint1;
vfmt->EvalPoint2 = vbo_exec_EvalPoint2;
- vfmt->EvalMesh1 = vbo_exec_EvalMesh1;
- vfmt->EvalMesh2 = vbo_exec_EvalMesh2;
/* from attrib_tmp.h:
*/
/* Make sure this func is only used once */
assert(exec->vtx.bufferobj == ctx->Shared->NullBufferObj);
- if (exec->vtx.buffer_map) {
- _mesa_align_free(exec->vtx.buffer_map);
- exec->vtx.buffer_map = NULL;
- exec->vtx.buffer_ptr = NULL;
- }
+
+ _mesa_align_free(exec->vtx.buffer_map);
+ exec->vtx.buffer_map = NULL;
+ exec->vtx.buffer_ptr = NULL;
/* Allocate a real buffer object now */
_mesa_reference_buffer_object(ctx, &exec->vtx.bufferobj, NULL);
projects / mesa.git / blobdiff