/*
* Mesa 3-D graphics library
- * Version: 7.1
*
* Copyright (C) 1999-2007 Brian Paul 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 NONINFRINGEMENT. IN NO EVENT SHALL
- * BRIAN PAUL 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.
+ * THE AUTHORS OR COPYRIGHT HOLDERS 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"
+#include "main/bufferobj.h"
#include "main/condrender.h"
#include "main/context.h"
#include "main/imports.h"
-static GLubyte *get_space(GLcontext *ctx, GLuint bytes)
+static GLubyte *get_space(struct gl_context *ctx, GLuint bytes)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLubyte *space = malloc(bytes);
}
-static void free_space(GLcontext *ctx)
+static void free_space(struct gl_context *ctx)
{
TNLcontext *tnl = TNL_CONTEXT(ctx);
GLuint i;
}
}
+/**
+ * \brief Convert fixed-point to floating-point.
+ *
+ * In OpenGL, a fixed-point number is a "signed 2's complement 16.16 scaled
+ * integer" (Table 2.2 of the OpenGL ES 2.0 spec).
+ *
+ * If the buffer has the \c normalized flag set, the formula
+ * \code normalize(x) := (2*x + 1) / (2^16 - 1) \endcode
+ * is used to map the fixed-point numbers into the range [-1, 1].
+ */
+static void
+convert_fixed_to_float(const struct gl_client_array *input,
+ const GLubyte *ptr, GLfloat *fptr,
+ GLuint count)
+{
+ GLuint i;
+ GLint j;
+ const GLint size = input->Size;
+
+ if (input->Normalized) {
+ for (i = 0; i < count; ++i) {
+ const GLfixed *in = (GLfixed *) ptr;
+ for (j = 0; j < size; ++j) {
+ *fptr++ = (GLfloat) (2 * in[j] + 1) / (GLfloat) ((1 << 16) - 1);
+ }
+ ptr += input->StrideB;
+ }
+ } else {
+ for (i = 0; i < count; ++i) {
+ const GLfixed *in = (GLfixed *) ptr;
+ for (j = 0; j < size; ++j) {
+ *fptr++ = in[j] / (GLfloat) (1 << 16);
+ }
+ ptr += input->StrideB;
+ }
+ }
+}
+
/* Adjust pointer to point at first requested element, convert to
* floating point, populate VB->AttribPtr[].
*/
-static void _tnl_import_array( GLcontext *ctx,
+static void _tnl_import_array( struct gl_context *ctx,
GLuint attrib,
GLuint count,
const struct gl_client_array *input,
case GL_HALF_FLOAT:
convert_half_to_float(input, ptr, fptr, count, sz);
break;
+ case GL_FIXED:
+ convert_fixed_to_float(input, ptr, fptr, count);
+ break;
default:
assert(0);
break;
#define CLIPVERTS ((6 + MAX_CLIP_PLANES) * 2)
-static GLboolean *_tnl_import_edgeflag( GLcontext *ctx,
+static GLboolean *_tnl_import_edgeflag( struct gl_context *ctx,
const GLvector4f *input,
GLuint count)
{
}
-static void bind_inputs( GLcontext *ctx,
+static void bind_inputs( struct gl_context *ctx,
const struct gl_client_array *inputs[],
GLint count,
struct gl_buffer_object **bo,
if (!inputs[i]->BufferObj->Pointer) {
bo[*nr_bo] = inputs[i]->BufferObj;
(*nr_bo)++;
- ctx->Driver.MapBuffer(ctx,
- GL_ARRAY_BUFFER,
- GL_READ_ONLY_ARB,
- inputs[i]->BufferObj);
+ ctx->Driver.MapBufferRange(ctx, 0, inputs[i]->BufferObj->Size,
+ GL_MAP_READ_BIT,
+ inputs[i]->BufferObj);
assert(inputs[i]->BufferObj->Pointer);
}
/* Translate indices to GLuints and store in VB->Elts.
*/
-static void bind_indices( GLcontext *ctx,
+static void bind_indices( struct gl_context *ctx,
const struct _mesa_index_buffer *ib,
struct gl_buffer_object **bo,
GLuint *nr_bo)
TNLcontext *tnl = TNL_CONTEXT(ctx);
struct vertex_buffer *VB = &tnl->vb;
GLuint i;
- void *ptr;
+ const void *ptr;
if (!ib) {
VB->Elts = NULL;
return;
}
- if (ib->obj->Name && !ib->obj->Pointer) {
+ if (_mesa_is_bufferobj(ib->obj) && !_mesa_bufferobj_mapped(ib->obj)) {
+ /* if the buffer object isn't mapped yet, map it now */
bo[*nr_bo] = ib->obj;
(*nr_bo)++;
- ctx->Driver.MapBuffer(ctx,
- GL_ELEMENT_ARRAY_BUFFER,
- GL_READ_ONLY_ARB,
- ib->obj);
-
+ ptr = ctx->Driver.MapBufferRange(ctx, (GLsizeiptr) ib->ptr,
+ ib->count * vbo_sizeof_ib_type(ib->type),
+ GL_MAP_READ_BIT, ib->obj);
assert(ib->obj->Pointer);
+ } else {
+ /* user-space elements, or buffer already mapped */
+ ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr);
}
- ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr);
-
if (ib->type == GL_UNSIGNED_INT && VB->Primitive[0].basevertex == 0) {
VB->Elts = (GLuint *) ptr;
}
}
}
-static void bind_prims( GLcontext *ctx,
+static void bind_prims( struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims )
{
VB->PrimitiveCount = nr_prims;
}
-static void unmap_vbos( GLcontext *ctx,
+static void unmap_vbos( struct gl_context *ctx,
struct gl_buffer_object **bo,
GLuint nr_bo )
{
GLuint i;
for (i = 0; i < nr_bo; i++) {
- ctx->Driver.UnmapBuffer(ctx,
- 0, /* target -- I don't see why this would be needed */
- bo[i]);
+ ctx->Driver.UnmapBuffer(ctx, bo[i]);
}
}
-void _tnl_vbo_draw_prims(GLcontext *ctx,
- const struct gl_client_array *arrays[],
+void _tnl_vbo_draw_prims(struct gl_context *ctx,
const struct _mesa_prim *prim,
GLuint nr_prims,
const struct _mesa_index_buffer *ib,
GLboolean index_bounds_valid,
GLuint min_index,
- GLuint max_index)
+ GLuint max_index,
+ struct gl_transform_feedback_object *tfb_vertcount,
+ struct gl_buffer_object *indirect)
{
+ const struct gl_client_array **arrays = ctx->Array._DrawArrays;
+
if (!index_bounds_valid)
- vbo_get_minmax_index(ctx, prim, ib, &min_index, &max_index);
+ vbo_get_minmax_indices(ctx, prim, ib, &min_index, &max_index, nr_prims);
_tnl_draw_prims(ctx, arrays, prim, nr_prims, ib, min_index, max_index);
}
* module. In a regular swtnl driver, this can be plugged straight
* into the vbo->Driver.DrawPrims() callback.
*/
-void _tnl_draw_prims( GLcontext *ctx,
+void _tnl_draw_prims( struct gl_context *ctx,
const struct gl_client_array *arrays[],
const struct _mesa_prim *prim,
GLuint nr_prims,
if (0)
{
- _mesa_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index);
+ printf("%s %d..%d\n", __FUNCTION__, min_index, max_index);
for (i = 0; i < nr_prims; i++)
- _mesa_printf("prim %d: %s start %d count %d\n", i,
- _mesa_lookup_enum_by_nr(prim[i].mode),
- prim[i].start,
- prim[i].count);
+ printf("prim %d: %s start %d count %d\n", i,
+ _mesa_lookup_enum_by_nr(prim[i].mode),
+ prim[i].start,
+ prim[i].count);
}
if (min_index) {
*/
struct gl_buffer_object *bo[VERT_ATTRIB_MAX + 1];
GLuint nr_bo = 0;
+ GLuint inst;
for (i = 0; i < nr_prims;) {
GLuint this_nr_prims;
break;
}
+ assert(prim[i].num_instances > 0);
+
/* Binding inputs may imply mapping some vertex buffer objects.
* They will need to be unmapped below.
*/
- bind_prims(ctx, &prim[i], this_nr_prims);
- bind_inputs(ctx, arrays, max_index + prim[i].basevertex + 1,
- bo, &nr_bo);
- bind_indices(ctx, ib, bo, &nr_bo);
+ for (inst = 0; inst < prim[i].num_instances; inst++) {
- TNL_CONTEXT(ctx)->Driver.RunPipeline(ctx);
+ bind_prims(ctx, &prim[i], this_nr_prims);
+ bind_inputs(ctx, arrays, max_index + prim[i].basevertex + 1,
+ bo, &nr_bo);
+ bind_indices(ctx, ib, bo, &nr_bo);
- unmap_vbos(ctx, bo, nr_bo);
- free_space(ctx);
+ tnl->CurInstance = inst;
+ TNL_CONTEXT(ctx)->Driver.RunPipeline(ctx);
+
+ unmap_vbos(ctx, bo, nr_bo);
+ free_space(ctx);
+ }
i += this_nr_prims;
}
projects / mesa.git / blobdiff