/*
* 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"),
*/
#include "main/glheader.h"
+#include "main/bufferobj.h"
#include "main/context.h"
#include "main/enums.h"
#include "main/state.h"
#include "vbo_context.h"
-static void vbo_exec_debug_verts( struct vbo_exec_context *exec )
+#if FEATURE_beginend
+
+
+static void
+vbo_exec_debug_verts( struct vbo_exec_context *exec )
{
GLuint count = exec->vtx.vert_count;
GLuint i;
struct _mesa_prim *prim = &exec->vtx.prim[i];
_mesa_printf(" prim %d: %s%s %d..%d %s %s\n",
i,
- _mesa_lookup_enum_by_nr(prim->mode),
+ _mesa_lookup_prim_by_nr(prim->mode),
prim->weak ? " (weak)" : "",
prim->start,
prim->start + prim->count,
* NOTE: Need to have calculated primitives by this point -- do it on the fly.
* NOTE: Old 'parity' issue is gone.
*/
-static GLuint vbo_copy_vertices( struct vbo_exec_context *exec )
+static GLuint
+vbo_copy_vertices( struct vbo_exec_context *exec )
{
GLuint nr = exec->vtx.prim[exec->vtx.prim_count-1].count;
GLuint ovf, i;
GLuint sz = exec->vtx.vertex_size;
GLfloat *dst = exec->vtx.copied.buffer;
- GLfloat *src = ((GLfloat *)exec->vtx.buffer_map +
- exec->vtx.prim[exec->vtx.prim_count-1].start *
- exec->vtx.vertex_size);
+ const GLfloat *src = (exec->vtx.buffer_map +
+ exec->vtx.prim[exec->vtx.prim_count-1].start *
+ exec->vtx.vertex_size);
- switch( exec->ctx->Driver.CurrentExecPrimitive )
- {
+ switch (exec->ctx->Driver.CurrentExecPrimitive) {
case GL_POINTS:
return 0;
case GL_LINES:
_mesa_memcpy( dst+i*sz, src+(nr-ovf+i)*sz, sz * sizeof(GLfloat) );
return i;
case GL_LINE_STRIP:
- if (nr == 0)
+ if (nr == 0) {
return 0;
+ }
else {
_mesa_memcpy( dst, src+(nr-1)*sz, sz * sizeof(GLfloat) );
return 1;
case GL_LINE_LOOP:
case GL_TRIANGLE_FAN:
case GL_POLYGON:
- if (nr == 0)
+ if (nr == 0) {
return 0;
+ }
else if (nr == 1) {
_mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) );
return 1;
- } else {
+ }
+ else {
_mesa_memcpy( dst, src+0, sz * sizeof(GLfloat) );
_mesa_memcpy( dst+sz, src+(nr-1)*sz, sz * sizeof(GLfloat) );
return 2;
/* fallthrough */
case GL_QUAD_STRIP:
switch (nr) {
- case 0: ovf = 0; break;
- case 1: ovf = 1; break;
- default: ovf = 2 + (nr&1); break;
+ case 0:
+ ovf = 0;
+ break;
+ case 1:
+ ovf = 1;
+ break;
+ default:
+ ovf = 2 + (nr & 1);
+ 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( GLcontext *ctx )
+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 count = exec->vtx.vert_count;
+ const GLubyte *data = (GLubyte *) exec->vtx.buffer_map;
const GLuint *map;
GLuint attr;
+ GLbitfield varying_inputs = 0x0;
/* Install the default (ie Current) attributes first, then overlay
* all active ones.
*/
switch (get_program_mode(exec->ctx)) {
case VP_NONE:
- memcpy(arrays, vbo->legacy_currval, 16 * sizeof(arrays[0]));
- memcpy(arrays + 16, vbo->mat_currval, MAT_ATTRIB_MAX * sizeof(arrays[0]));
+ 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:
* occurred. NV vertex programs cannot access material values,
* nor attributes greater than VERT_ATTRIB_TEX7.
*/
- memcpy(arrays, vbo->legacy_currval, 16 * sizeof(arrays[0]));
- memcpy(arrays + 16, vbo->generic_currval, 16 * sizeof(arrays[0]));
+ 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;
+
+ /* check if VERT_ATTRIB_POS is not read but VERT_BIT_GENERIC0 is read.
+ * In that case we effectively need to route the data from
+ * glVertexAttrib(0, val) calls to feed into the GENERIC0 input.
+ */
+ if ((ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_POS) == 0 &&
+ (ctx->VertexProgram._Current->Base.InputsRead & VERT_BIT_GENERIC0)) {
+ exec->vtx.inputs[16] = exec->vtx.inputs[0];
+ exec->vtx.attrsz[16] = exec->vtx.attrsz[0];
+ exec->vtx.attrptr[16] = exec->vtx.attrptr[0];
+ exec->vtx.attrsz[0] = 0;
+ }
break;
+ default:
+ assert(0);
}
/* Make all active attributes (including edgeflag) available as
* arrays of floats.
*/
for (attr = 0; attr < VERT_ATTRIB_MAX ; attr++) {
- GLuint src = map[attr];
+ const GLuint src = map[attr];
if (exec->vtx.attrsz[src]) {
- arrays[attr].Ptr = (void *)data;
+ /* override the default array set above */
+ exec->vtx.inputs[attr] = &arrays[attr];
+
+ if (_mesa_is_bufferobj(exec->vtx.bufferobj)) {
+ /* a real buffer obj: Ptr is an offset, not a pointer*/
+ GLsizeiptr offset;
+ assert(exec->vtx.bufferobj->Pointer); /* buf should be mapped */
+ offset = (GLbyte *) data -
+ (GLbyte *) exec->vtx.bufferobj->Pointer +
+ exec->vtx.bufferobj->Offset;
+ 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].Format = GL_RGBA;
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 );
+}
+
+
+static void
+vbo_exec_vtx_unmap( struct vbo_exec_context *exec )
+{
+ GLenum target = GL_ARRAY_BUFFER_ARB;
+
+ if (_mesa_is_bufferobj(exec->vtx.bufferobj)) {
+ GLcontext *ctx = exec->ctx;
+
+ if (ctx->Driver.FlushMappedBufferRange) {
+ GLintptr offset = exec->vtx.buffer_used - exec->vtx.bufferobj->Offset;
+ GLsizeiptr length = (exec->vtx.buffer_ptr - exec->vtx.buffer_map) * sizeof(float);
+
+ if (length)
+ ctx->Driver.FlushMappedBufferRange(ctx, target,
+ offset, length,
+ exec->vtx.bufferobj);
}
+
+ exec->vtx.buffer_used += (exec->vtx.buffer_ptr -
+ exec->vtx.buffer_map) * sizeof(float);
+
+ assert(exec->vtx.buffer_used <= VBO_VERT_BUFFER_SIZE);
+ assert(exec->vtx.buffer_ptr != NULL);
+
+ ctx->Driver.UnmapBuffer(ctx, target, exec->vtx.bufferobj);
+ exec->vtx.buffer_map = NULL;
+ exec->vtx.buffer_ptr = NULL;
+ exec->vtx.max_vert = 0;
+ }
+}
+
+
+void
+vbo_exec_vtx_map( struct vbo_exec_context *exec )
+{
+ GLcontext *ctx = exec->ctx;
+ const GLenum target = GL_ARRAY_BUFFER_ARB;
+ const GLenum access = GL_READ_WRITE_ARB; /* for MapBuffer */
+ const GLenum accessRange = GL_MAP_WRITE_BIT | /* for MapBufferRange */
+ GL_MAP_INVALIDATE_RANGE_BIT |
+ GL_MAP_UNSYNCHRONIZED_BIT |
+ GL_MAP_FLUSH_EXPLICIT_BIT |
+ MESA_MAP_NOWAIT_BIT;
+ const GLenum usage = GL_STREAM_DRAW_ARB;
+
+ if (!_mesa_is_bufferobj(exec->vtx.bufferobj))
+ return;
+
+ if (exec->vtx.buffer_map != NULL) {
+ assert(0);
+ exec->vtx.buffer_map = NULL;
+ exec->vtx.buffer_ptr = NULL;
+ }
+
+ if (VBO_VERT_BUFFER_SIZE > exec->vtx.buffer_used + 1024 &&
+ ctx->Driver.MapBufferRange) {
+ exec->vtx.buffer_map =
+ (GLfloat *)ctx->Driver.MapBufferRange(ctx,
+ target,
+ exec->vtx.buffer_used,
+ (VBO_VERT_BUFFER_SIZE -
+ exec->vtx.buffer_used),
+ accessRange,
+ exec->vtx.bufferobj);
+ exec->vtx.buffer_ptr = exec->vtx.buffer_map;
}
+
+ if (!exec->vtx.buffer_map) {
+ exec->vtx.buffer_used = 0;
+
+ ctx->Driver.BufferData(ctx, target,
+ VBO_VERT_BUFFER_SIZE,
+ NULL, usage, exec->vtx.bufferobj);
+
+
+ if (ctx->Driver.MapBufferRange)
+ exec->vtx.buffer_map =
+ (GLfloat *)ctx->Driver.MapBufferRange(ctx, target,
+ 0, VBO_VERT_BUFFER_SIZE,
+ accessRange,
+ exec->vtx.bufferobj);
+ if (!exec->vtx.buffer_map)
+ exec->vtx.buffer_map =
+ (GLfloat *)ctx->Driver.MapBuffer(ctx, target, access, exec->vtx.bufferobj);
+ assert(exec->vtx.buffer_map);
+ exec->vtx.buffer_ptr = exec->vtx.buffer_map;
+ }
+
+ if (0)
+ _mesa_printf("map %d..\n", exec->vtx.buffer_used);
}
+
/**
* Execute the buffer and save copied verts.
*/
-void vbo_exec_vtx_flush( struct vbo_exec_context *exec )
+void
+vbo_exec_vtx_flush( struct vbo_exec_context *exec, GLboolean unmap )
{
if (0)
vbo_exec_debug_verts( exec );
-
if (exec->vtx.prim_count &&
exec->vtx.vert_count) {
if (exec->vtx.copied.nr != exec->vtx.vert_count) {
GLcontext *ctx = exec->ctx;
-
+
+ /* Before the update_state() as this may raise _NEW_ARRAY
+ * from _mesa_set_varying_vp_inputs().
+ */
vbo_exec_bind_arrays( ctx );
+ if (ctx->NewState)
+ _mesa_update_state( ctx );
+
+ if (_mesa_is_bufferobj(exec->vtx.bufferobj)) {
+ vbo_exec_vtx_unmap( exec );
+ }
+
+ if (0)
+ _mesa_printf("%s %d %d\n", __FUNCTION__, exec->vtx.prim_count,
+ exec->vtx.vert_count);
+
vbo_context(ctx)->draw_prims( ctx,
exec->vtx.inputs,
exec->vtx.prim,
exec->vtx.prim_count,
NULL,
+ GL_TRUE,
0,
exec->vtx.vert_count - 1);
+
+ /* If using a real VBO, get new storage -- unless asked not to.
+ */
+ if (_mesa_is_bufferobj(exec->vtx.bufferobj) && !unmap) {
+ vbo_exec_vtx_map( exec );
+ }
}
}
+ /* May have to unmap explicitly if we didn't draw:
+ */
+ if (unmap &&
+ _mesa_is_bufferobj(exec->vtx.bufferobj) &&
+ exec->vtx.buffer_map) {
+ vbo_exec_vtx_unmap( exec );
+ }
+
+
+ if (unmap || exec->vtx.vertex_size == 0)
+ exec->vtx.max_vert = 0;
+ else
+ exec->vtx.max_vert = ((VBO_VERT_BUFFER_SIZE - exec->vtx.buffer_used) /
+ (exec->vtx.vertex_size * sizeof(GLfloat)));
+
+ exec->vtx.buffer_ptr = exec->vtx.buffer_map;
exec->vtx.prim_count = 0;
exec->vtx.vert_count = 0;
- exec->vtx.vbptr = (GLfloat *)exec->vtx.buffer_map;
}
+
+
+#endif /* FEATURE_beginend */
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