*/
-#include "api_arrayelt.h"
-#include "glheader.h"
-#include "imports.h"
-#include "context.h"
-#include "macros.h"
-#include "mtypes.h"
-#include "dlist.h"
-#include "vtxfmt.h"
-
+#include "main/api_arrayelt.h"
+#include "main/glheader.h"
+#include "main/mtypes.h"
+#include "main/vtxfmt.h"
#include "vbo_context.h"
-#define NR_LEGACY_ATTRIBS 16
-#define NR_GENERIC_ATTRIBS 16
-#define NR_MAT_ATTRIBS 12
-
-static void init_legacy_currval(GLcontext *ctx)
-{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
- struct gl_client_array *arrays = exec->legacy_currval;
- GLuint i;
-
- memset(arrays, 0, sizeof(*arrays) * NR_LEGACY_ATTRIBS);
-
- /* Set up a constant (StrideB == 0) array for each current
- * attribute:
- */
- for (i = 0; i < NR_LEGACY_ATTRIBS; i++) {
- struct gl_client_array *cl = &arrays[i];
-
- switch (i) {
- case VBO_ATTRIB_EDGEFLAG:
- cl->Type = GL_UNSIGNED_BYTE;
- cl->Ptr = (const void *)&ctx->Current.EdgeFlag;
- break;
- case VBO_ATTRIB_INDEX:
- cl->Type = GL_FLOAT;
- cl->Ptr = (const void *)&ctx->Current.Index;
- break;
- default:
- cl->Type = GL_FLOAT;
- cl->Ptr = (const void *)ctx->Current.Attrib[i];
- break;
- }
-
- /* This will have to be determined at runtime:
- */
- cl->Size = 1;
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->BufferObj = ctx->Array.NullBufferObj;
- }
-}
-
-
-static void init_generic_currval(GLcontext *ctx)
-{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
- struct gl_client_array *arrays = exec->generic_currval;
- GLuint i;
-
- memset(arrays, 0, sizeof(*arrays) * NR_GENERIC_ATTRIBS);
-
- for (i = 0; i < NR_GENERIC_ATTRIBS; i++) {
- struct gl_client_array *cl = &arrays[i];
-
- /* This will have to be determined at runtime:
- */
- cl->Size = 1;
-
- cl->Type = GL_FLOAT;
- cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->BufferObj = ctx->Array.NullBufferObj;
- }
-}
-
-
-static void init_mat_currval(GLcontext *ctx)
-{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
- struct gl_client_array *arrays = exec->mat_currval;
- GLuint i;
-
- memset(arrays, 0, sizeof(*arrays) * NR_GENERIC_ATTRIBS);
-
- /* Set up a constant (StrideB == 0) array for each current
- * attribute:
- */
- for (i = 0; i < NR_GENERIC_ATTRIBS; i++) {
- struct gl_client_array *cl = &arrays[i];
-
- /* Size is fixed for the material attributes, for others will
- * be determined at runtime:
- */
- switch (i - VERT_ATTRIB_GENERIC0) {
- case MAT_ATTRIB_FRONT_SHININESS:
- case MAT_ATTRIB_BACK_SHININESS:
- cl->Size = 1;
- break;
- case MAT_ATTRIB_FRONT_INDEXES:
- case MAT_ATTRIB_BACK_INDEXES:
- cl->Size = 3;
- break;
- default:
- cl->Size = 4;
- break;
- }
-
- if (i < MAT_ATTRIB_MAX)
- cl->Ptr = (const void *)ctx->Light.Material.Attrib[i];
- else
- cl->Ptr = (const void *)ctx->Current.Attrib[VERT_ATTRIB_GENERIC0 + i];
-
- cl->Type = GL_FLOAT;
- cl->Stride = 0;
- cl->StrideB = 0;
- cl->Enabled = 1;
- cl->BufferObj = ctx->Array.NullBufferObj;
- }
-}
-
-void vbo_exec_init( GLcontext *ctx )
+void vbo_exec_init( struct gl_context *ctx )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
vbo_exec_vtx_init( exec );
vbo_exec_array_init( exec );
- init_legacy_currval( ctx );
- init_generic_currval( ctx );
- init_mat_currval( ctx );
+ /* Hook our functions into exec and compile dispatch tables.
+ */
+ _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
ctx->Driver.NeedFlush = 0;
ctx->Driver.CurrentExecPrimitive = PRIM_OUTSIDE_BEGIN_END;
+ ctx->Driver.BeginVertices = vbo_exec_BeginVertices;
ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
- exec->eval.recalculate_maps = 1;
+ vbo_exec_invalidate_state( ctx, ~0 );
}
-void vbo_exec_destroy( GLcontext *ctx )
+void vbo_exec_destroy( struct gl_context *ctx )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
vbo_exec_array_destroy( exec );
}
-/* Really want to install these callbacks to a central facility to be
+
+/**
+ * Really want to install these callbacks to a central facility to be
* invoked according to the state flags. That will have to wait for a
* mesa rework:
*/
-void vbo_exec_invalidate_state( GLcontext *ctx, GLuint new_state )
+void vbo_exec_invalidate_state( struct gl_context *ctx, GLuint new_state )
{
struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
+ if (new_state & (_NEW_PROGRAM|_NEW_ARRAY)) {
+ exec->array.recalculate_inputs = GL_TRUE;
+ }
+
if (new_state & (_NEW_PROGRAM|_NEW_EVAL))
exec->eval.recalculate_maps = 1;
}
-void vbo_exec_wakeup( GLcontext *ctx )
+/**
+ * Figure out the number of transform feedback primitives that will be output
+ * by the given _mesa_prim command, assuming that no geometry shading is done
+ * and primitive restart is not used.
+ *
+ * This is intended for use by driver back-ends in implementing the
+ * PRIMITIVES_GENERATED and TRANSFORM_FEEDBACK_PRIMITIVES_WRITTEN queries.
+ */
+size_t
+count_tessellated_primitives(const struct _mesa_prim *prim)
{
- struct vbo_exec_context *exec = &vbo_context(ctx)->exec;
-
- ctx->Driver.FlushVertices = vbo_exec_FlushVertices;
- ctx->Driver.NeedFlush |= FLUSH_UPDATE_CURRENT;
-
- /* Hook our functions into exec and compile dispatch tables.
- */
- _mesa_install_exec_vtxfmt( ctx, &exec->vtxfmt );
-
- /* Assume we haven't been getting state updates either:
- */
- vbo_exec_invalidate_state( ctx, ~0 );
+ size_t num_primitives;
+ switch (prim->mode) {
+ case GL_POINTS:
+ num_primitives = prim->count;
+ break;
+ case GL_LINE_STRIP:
+ num_primitives = prim->count >= 2 ? prim->count - 1 : 0;
+ break;
+ case GL_LINE_LOOP:
+ num_primitives = prim->count >= 2 ? prim->count : 0;
+ break;
+ case GL_LINES:
+ num_primitives = prim->count / 2;
+ break;
+ case GL_TRIANGLE_STRIP:
+ case GL_TRIANGLE_FAN:
+ case GL_POLYGON:
+ num_primitives = prim->count >= 3 ? prim->count - 2 : 0;
+ break;
+ case GL_TRIANGLES:
+ num_primitives = prim->count / 3;
+ break;
+ case GL_QUAD_STRIP:
+ num_primitives = prim->count >= 4 ? ((prim->count / 2) - 1) * 2 : 0;
+ break;
+ case GL_QUADS:
+ num_primitives = (prim->count / 4) * 2;
+ break;
+ default:
+ assert(!"Unexpected primitive type in count_tessellated_primitives");
+ num_primitives = 0;
+ break;
+ }
+ return num_primitives * prim->num_instances;
}
-
-
-
projects / mesa.git / blobdiff