* previous prim.
*/
static void
-vbo_merge_prims(struct gl_context *ctx,
- struct _mesa_prim *prim_list,
- GLuint *prim_count)
+merge_prims(struct gl_context *ctx,
+ struct _mesa_prim *prim_list,
+ GLuint *prim_count)
{
GLuint i;
struct _mesa_prim *prev_prim = prim_list;
for (i = 1; i < *prim_count; i++) {
struct _mesa_prim *this_prim = prim_list + i;
- if (this_prim->mode == prev_prim->mode &&
- this_prim->mode == GL_QUADS &&
- this_prim->count % 4 == 0 &&
- prev_prim->count % 4 == 0 &&
- this_prim->start == prev_prim->start + prev_prim->count &&
- this_prim->basevertex == prev_prim->basevertex &&
- this_prim->num_instances == prev_prim->num_instances &&
- this_prim->base_instance == prev_prim->base_instance) {
+ vbo_try_prim_conversion(this_prim);
+
+ if (vbo_can_merge_prims(prev_prim, this_prim)) {
/* We've found a prim that just extend the previous one. Tack it
* onto the previous one, and let this primitive struct get dropped.
*/
- prev_prim->count += this_prim->count;
- prev_prim->end = this_prim->end;
+ vbo_merge_prims(prev_prim, this_prim);
continue;
}
*/
save->copied.nr = _save_copy_vertices(ctx, node, save->buffer);
- vbo_merge_prims(ctx, node->prim, &node->prim_count);
+ merge_prims(ctx, node->prim, &node->prim_count);
/* Deal with GL_COMPILE_AND_EXECUTE:
*/
/**
+ * This is called when we fill a vertex buffer before we hit a glEnd().
+ * We
* TODO -- If no new vertices have been stored, don't bother saving it.
*/
static void
}
-/* Flush existing data, set new attrib size, replay copied vertices.
+/**
+ * Called when we increase the size of a vertex attribute. For example,
+ * if we've seen one or more glTexCoord2f() calls and now we get a
+ * glTexCoord3f() call.
+ * Flush existing data, set new attrib size, replay copied vertices.
*/
static void
_save_upgrade_vertex(struct gl_context *ctx, GLuint attr, GLuint newsz)
* and will need fixup at runtime.
*/
if (save->copied.nr) {
- GLfloat *data = save->copied.buffer;
+ const GLfloat *data = save->copied.buffer;
GLfloat *dest = save->buffer;
GLuint j;
}
+/**
+ * This is called when the size of a vertex attribute changes.
+ * For example, after seeing one or more glTexCoord2f() calls we
+ * get a glTexCoord4f() or glTexCoord1f() call.
+ */
static void
save_fixup_vertex(struct gl_context *ctx, GLuint attr, GLuint sz)
{
}
+/**
+ * Reset the current size of all vertex attributes to the default
+ * value of 0. This signals that we haven't yet seen any per-vertex
+ * commands such as glNormal3f() or glTexCoord2f().
+ */
static void
_save_reset_vertex(struct gl_context *ctx)
{
else {
_mesa_install_save_vtxfmt(ctx, &ctx->ListState.ListVtxfmt);
}
- ctx->Driver.SaveNeedFlush = 0;
+ ctx->Driver.SaveNeedFlush = GL_FALSE;
}
-/* This begin is hooked into ... Updating of
- * ctx->Driver.CurrentSavePrimitive is already taken care of.
+/**
+ * Called via ctx->Driver.NotifySaveBegin() when a glBegin is getting
+ * compiled into a display list.
+ * Updating of ctx->Driver.CurrentSavePrimitive is already taken care of.
*/
GLboolean
vbo_save_NotifyBegin(struct gl_context *ctx, GLenum mode)
{
struct vbo_save_context *save = &vbo_context(ctx)->save;
-
- GLuint i = save->prim_count++;
+ const GLuint i = save->prim_count++;
assert(i < save->prim_max);
save->prim[i].mode = mode & VBO_SAVE_PRIM_MODE_MASK;
else {
_mesa_install_save_vtxfmt(ctx, &save->vtxfmt);
}
- ctx->Driver.SaveNeedFlush = 1;
+
+ /* We need to call SaveFlushVertices() if there's state change */
+ ctx->Driver.SaveNeedFlush = GL_TRUE;
+
+ /* GL_TRUE means we've handled this glBegin here; don't compile a BEGIN
+ * opcode into the display list.
+ */
return GL_TRUE;
}
{
GET_CURRENT_CONTEXT(ctx);
struct vbo_save_context *save = &vbo_context(ctx)->save;
- GLint i = save->prim_count - 1;
+ const GLint i = save->prim_count - 1;
ctx->Driver.CurrentSavePrimitive = PRIM_OUTSIDE_BEGIN_END;
save->prim[i].end = 1;
static void GLAPIENTRY
_save_OBE_MultiDrawElements(GLenum mode, const GLsizei *count, GLenum type,
- const GLvoid **indices, GLsizei primcount)
+ const GLvoid * const *indices, GLsizei primcount)
{
GLsizei i;
_save_copy_to_current(ctx);
_save_reset_vertex(ctx);
_save_reset_counters(ctx);
- ctx->Driver.SaveNeedFlush = 0;
+ ctx->Driver.SaveNeedFlush = GL_FALSE;
}
_save_reset_vertex(ctx);
_save_reset_counters(ctx);
- ctx->Driver.SaveNeedFlush = 0;
+ ctx->Driver.SaveNeedFlush = GL_FALSE;
}