diff options
Diffstat (limited to 'src/mesa/tnl/t_draw.c')
-rw-r--r-- | src/mesa/tnl/t_draw.c | 108 |
1 files changed, 38 insertions, 70 deletions
diff --git a/src/mesa/tnl/t_draw.c b/src/mesa/tnl/t_draw.c index 0e7c2b6..c97cf5f 100644 --- a/src/mesa/tnl/t_draw.c +++ b/src/mesa/tnl/t_draw.c @@ -95,18 +95,14 @@ static void free_space(GLcontext *ctx) */ static void _tnl_import_array( GLcontext *ctx, GLuint attrib, - GLuint start, - GLuint end, + GLuint count, const struct gl_client_array *input, const GLubyte *ptr ) { TNLcontext *tnl = TNL_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; - const GLuint count = end - start; GLuint stride = input->StrideB; - ptr += start * stride; - if (input->Type != GL_FLOAT) { const GLuint sz = input->Size; GLubyte *buf = get_space(ctx, count * sz * sizeof(GLfloat)); @@ -183,7 +179,7 @@ static GLboolean *_tnl_import_edgeflag( GLcontext *ctx, static void bind_inputs( GLcontext *ctx, const struct gl_client_array *inputs[], - GLint min_index, GLint max_index, + GLint count, struct gl_buffer_object **bo, GLuint *nr_bo ) { @@ -215,18 +211,17 @@ static void bind_inputs( GLcontext *ctx, ptr = inputs[i]->Ptr; /* Just make sure the array is floating point, otherwise convert to - * temporary storage. Rebase arrays so that 'min_index' becomes - * element zero. + * temporary storage. * * XXX: remove the GLvector4f type at some stage and just use * client arrays. */ - _tnl_import_array(ctx, i, min_index, max_index, inputs[i], ptr); + _tnl_import_array(ctx, i, count, inputs[i], ptr); } /* We process only the vertices between min & max index: */ - VB->Count = max_index - min_index; + VB->Count = count; /* Legacy pointers -- remove one day. @@ -264,7 +259,6 @@ static void bind_inputs( GLcontext *ctx, */ static void bind_indices( GLcontext *ctx, const struct _mesa_index_buffer *ib, - GLuint min_index, struct gl_buffer_object **bo, GLuint *nr_bo) { @@ -273,8 +267,10 @@ static void bind_indices( GLcontext *ctx, GLuint i; void *ptr; - if (!ib) + if (!ib) { + VB->Elts = NULL; return; + } if (ib->obj->Name && !ib->obj->Pointer) { bo[*nr_bo] = ib->obj; @@ -289,60 +285,34 @@ static void bind_indices( GLcontext *ctx, ptr = ADD_POINTERS(ib->obj->Pointer, ib->ptr); - if (ib->type == GL_UNSIGNED_INT && min_index == 0) { + if (ib->type == GL_UNSIGNED_INT) { VB->Elts = (GLuint *) ptr; - VB->Elts += ib->rebase; } else { GLuint *elts = (GLuint *)get_space(ctx, ib->count * sizeof(GLuint)); VB->Elts = elts; - switch (ib->type) { - case GL_UNSIGNED_INT: { - const GLuint *in = ((GLuint *)ptr) + ib->rebase; - for (i = 0; i < ib->count; i++) - *elts++ = *in++ - min_index; - break; - } - case GL_UNSIGNED_SHORT: { - const GLushort *in = ((GLushort *)ptr) + ib->rebase; + if (ib->type == GL_UNSIGNED_SHORT) { + const GLushort *in = (GLushort *)ptr; for (i = 0; i < ib->count; i++) - *elts++ = (GLuint)(*in++) - min_index; - break; + *elts++ = (GLuint)(*in++); } - case GL_UNSIGNED_BYTE: { - const GLubyte *in = ((GLubyte *)ptr) + ib->rebase; + else { + const GLubyte *in = (GLubyte *)ptr; for (i = 0; i < ib->count; i++) - *elts++ = (GLuint)(*in++) - min_index; - break; + *elts++ = (GLuint)(*in++); } - } } } static void bind_prims( GLcontext *ctx, const struct _mesa_prim *prim, - GLuint nr_prims, - GLuint min_index ) + GLuint nr_prims ) { TNLcontext *tnl = TNL_CONTEXT(ctx); struct vertex_buffer *VB = &tnl->vb; - GLuint i; - - if (min_index != 0) { - struct _mesa_prim *tmp = (struct _mesa_prim *)get_space(ctx, nr_prims * sizeof(*prim)); - - for (i = 0; i < nr_prims; i++) { - tmp[i] = prim[i]; - tmp[i].start -= min_index; - } - - VB->Primitive = tmp; - } - else { - VB->Primitive = prim; - } + VB->Primitive = prim; VB->PrimitiveCount = nr_prims; } @@ -373,19 +343,10 @@ void _tnl_draw_prims( GLcontext *ctx, GLuint max_index) { TNLcontext *tnl = TNL_CONTEXT(ctx); - struct vertex_buffer *VB = &tnl->vb; - GLint max = VB->Size; - -#ifdef TEST_SPLIT - max = 8 + MAX_CLIPPED_VERTICES; -#endif - - assert(max_index > min_index); - assert(!(max_index & 0x80000000)); + const GLuint TEST_SPLIT = 0; + const GLint max = TEST_SPLIT ? 8 : tnl->vb.Size - MAX_CLIPPED_VERTICES; - VB->Elts = NULL; - -#if 0 + if (0) { GLuint i; _mesa_printf("%s %d..%d\n", __FUNCTION__, min_index, max_index); @@ -395,15 +356,22 @@ void _tnl_draw_prims( GLcontext *ctx, prim[i].start, prim[i].count); } -#endif - /* The software TNL pipeline has a fixed amount of storage for - * vertices and it is necessary to split incoming drawing commands - * if they exceed that limit. - */ - if (max_index - min_index >= max - MAX_CLIPPED_VERTICES) { + if (min_index) { + /* We always translate away calls with min_index != 0. + */ + vbo_rebase_prims( ctx, arrays, prim, nr_prims, ib, + min_index, max_index, + _tnl_draw_prims ); + return; + } + else if (max_index >= max) { + /* The software TNL pipeline has a fixed amount of storage for + * vertices and it is necessary to split incoming drawing commands + * if they exceed that limit. + */ struct split_limits limits; - limits.max_verts = max - MAX_CLIPPED_VERTICES; + limits.max_verts = max; limits.max_vb_size = ~0; limits.max_indices = ~0; @@ -411,7 +379,7 @@ void _tnl_draw_prims( GLcontext *ctx, * recursively call back into this function. */ vbo_split_prims( ctx, arrays, prim, nr_prims, ib, - min_index, max_index, + 0, max_index, _tnl_draw_prims, &limits ); } @@ -425,9 +393,9 @@ void _tnl_draw_prims( GLcontext *ctx, /* Binding inputs may imply mapping some vertex buffer objects. * They will need to be unmapped below. */ - bind_inputs(ctx, arrays, min_index, max_index+1, bo, &nr_bo); - bind_indices(ctx, ib, min_index, bo, &nr_bo); - bind_prims(ctx, prim, nr_prims, VB->Elts ? 0 : min_index ); + bind_inputs(ctx, arrays, max_index+1, bo, &nr_bo); + bind_indices(ctx, ib, bo, &nr_bo); + bind_prims(ctx, prim, nr_prims ); TNL_CONTEXT(ctx)->Driver.RunPipeline(ctx); |