1 /**************************************************************************
3 * Copyright 2007 Tungsten Graphics, Inc., Cedar Park, Texas.
6 * Permission is hereby granted, free of charge, to any person obtaining a
7 * copy of this software and associated documentation files (the
8 * "Software"), to deal in the Software without restriction, including
9 * without limitation the rights to use, copy, modify, merge, publish,
10 * distribute, sub license, and/or sell copies of the Software, and to
11 * permit persons to whom the Software is furnished to do so, subject to
12 * the following conditions:
14 * The above copyright notice and this permission notice (including the
15 * next paragraph) shall be included in all copies or substantial portions
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
20 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
21 * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS BE LIABLE FOR
22 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
23 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
24 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 **************************************************************************/
29 * This file implements the st_draw_vbo() function which is called from
30 * Mesa's VBO module. All point/line/triangle rendering is done through
31 * this function whether the user called glBegin/End, glDrawArrays,
32 * glDrawElements, glEvalMesh, or glCalList, etc.
34 * We basically convert the VBO's vertex attribute/array information into
35 * Gallium vertex state, bind the vertex buffer objects and call
36 * pipe->draw_elements(), pipe->draw_range_elements() or pipe->draw_arrays().
39 * Keith Whitwell <keith@tungstengraphics.com>
43 #include "main/imports.h"
44 #include "main/image.h"
45 #include "main/macros.h"
46 #include "main/mfeatures.h"
47 #include "program/prog_uniform.h"
51 #include "st_context.h"
53 #include "st_cb_bufferobjects.h"
55 #include "st_program.h"
57 #include "pipe/p_context.h"
58 #include "pipe/p_defines.h"
59 #include "util/u_inlines.h"
60 #include "util/u_format.h"
61 #include "util/u_prim.h"
62 #include "util/u_draw_quad.h"
63 #include "draw/draw_context.h"
64 #include "cso_cache/cso_context.h"
67 static GLuint double_types
[4] = {
68 PIPE_FORMAT_R64_FLOAT
,
69 PIPE_FORMAT_R64G64_FLOAT
,
70 PIPE_FORMAT_R64G64B64_FLOAT
,
71 PIPE_FORMAT_R64G64B64A64_FLOAT
74 static GLuint float_types
[4] = {
75 PIPE_FORMAT_R32_FLOAT
,
76 PIPE_FORMAT_R32G32_FLOAT
,
77 PIPE_FORMAT_R32G32B32_FLOAT
,
78 PIPE_FORMAT_R32G32B32A32_FLOAT
81 static GLuint half_float_types
[4] = {
82 PIPE_FORMAT_R16_FLOAT
,
83 PIPE_FORMAT_R16G16_FLOAT
,
84 PIPE_FORMAT_R16G16B16_FLOAT
,
85 PIPE_FORMAT_R16G16B16A16_FLOAT
88 static GLuint uint_types_norm
[4] = {
89 PIPE_FORMAT_R32_UNORM
,
90 PIPE_FORMAT_R32G32_UNORM
,
91 PIPE_FORMAT_R32G32B32_UNORM
,
92 PIPE_FORMAT_R32G32B32A32_UNORM
95 static GLuint uint_types_scale
[4] = {
96 PIPE_FORMAT_R32_USCALED
,
97 PIPE_FORMAT_R32G32_USCALED
,
98 PIPE_FORMAT_R32G32B32_USCALED
,
99 PIPE_FORMAT_R32G32B32A32_USCALED
102 static GLuint int_types_norm
[4] = {
103 PIPE_FORMAT_R32_SNORM
,
104 PIPE_FORMAT_R32G32_SNORM
,
105 PIPE_FORMAT_R32G32B32_SNORM
,
106 PIPE_FORMAT_R32G32B32A32_SNORM
109 static GLuint int_types_scale
[4] = {
110 PIPE_FORMAT_R32_SSCALED
,
111 PIPE_FORMAT_R32G32_SSCALED
,
112 PIPE_FORMAT_R32G32B32_SSCALED
,
113 PIPE_FORMAT_R32G32B32A32_SSCALED
116 static GLuint ushort_types_norm
[4] = {
117 PIPE_FORMAT_R16_UNORM
,
118 PIPE_FORMAT_R16G16_UNORM
,
119 PIPE_FORMAT_R16G16B16_UNORM
,
120 PIPE_FORMAT_R16G16B16A16_UNORM
123 static GLuint ushort_types_scale
[4] = {
124 PIPE_FORMAT_R16_USCALED
,
125 PIPE_FORMAT_R16G16_USCALED
,
126 PIPE_FORMAT_R16G16B16_USCALED
,
127 PIPE_FORMAT_R16G16B16A16_USCALED
130 static GLuint short_types_norm
[4] = {
131 PIPE_FORMAT_R16_SNORM
,
132 PIPE_FORMAT_R16G16_SNORM
,
133 PIPE_FORMAT_R16G16B16_SNORM
,
134 PIPE_FORMAT_R16G16B16A16_SNORM
137 static GLuint short_types_scale
[4] = {
138 PIPE_FORMAT_R16_SSCALED
,
139 PIPE_FORMAT_R16G16_SSCALED
,
140 PIPE_FORMAT_R16G16B16_SSCALED
,
141 PIPE_FORMAT_R16G16B16A16_SSCALED
144 static GLuint ubyte_types_norm
[4] = {
145 PIPE_FORMAT_R8_UNORM
,
146 PIPE_FORMAT_R8G8_UNORM
,
147 PIPE_FORMAT_R8G8B8_UNORM
,
148 PIPE_FORMAT_R8G8B8A8_UNORM
151 static GLuint ubyte_types_scale
[4] = {
152 PIPE_FORMAT_R8_USCALED
,
153 PIPE_FORMAT_R8G8_USCALED
,
154 PIPE_FORMAT_R8G8B8_USCALED
,
155 PIPE_FORMAT_R8G8B8A8_USCALED
158 static GLuint byte_types_norm
[4] = {
159 PIPE_FORMAT_R8_SNORM
,
160 PIPE_FORMAT_R8G8_SNORM
,
161 PIPE_FORMAT_R8G8B8_SNORM
,
162 PIPE_FORMAT_R8G8B8A8_SNORM
165 static GLuint byte_types_scale
[4] = {
166 PIPE_FORMAT_R8_SSCALED
,
167 PIPE_FORMAT_R8G8_SSCALED
,
168 PIPE_FORMAT_R8G8B8_SSCALED
,
169 PIPE_FORMAT_R8G8B8A8_SSCALED
172 static GLuint fixed_types
[4] = {
173 PIPE_FORMAT_R32_FIXED
,
174 PIPE_FORMAT_R32G32_FIXED
,
175 PIPE_FORMAT_R32G32B32_FIXED
,
176 PIPE_FORMAT_R32G32B32A32_FIXED
182 * Return a PIPE_FORMAT_x for the given GL datatype and size.
185 st_pipe_vertex_format(GLenum type
, GLuint size
, GLenum format
,
186 GLboolean normalized
)
188 assert((type
>= GL_BYTE
&& type
<= GL_DOUBLE
) ||
189 type
== GL_FIXED
|| type
== GL_HALF_FLOAT
);
192 assert(format
== GL_RGBA
|| format
== GL_BGRA
);
194 if (format
== GL_BGRA
) {
195 /* this is an odd-ball case */
196 assert(type
== GL_UNSIGNED_BYTE
);
198 return PIPE_FORMAT_B8G8R8A8_UNORM
;
203 case GL_DOUBLE
: return double_types
[size
-1];
204 case GL_FLOAT
: return float_types
[size
-1];
205 case GL_HALF_FLOAT
: return half_float_types
[size
-1];
206 case GL_INT
: return int_types_norm
[size
-1];
207 case GL_SHORT
: return short_types_norm
[size
-1];
208 case GL_BYTE
: return byte_types_norm
[size
-1];
209 case GL_UNSIGNED_INT
: return uint_types_norm
[size
-1];
210 case GL_UNSIGNED_SHORT
: return ushort_types_norm
[size
-1];
211 case GL_UNSIGNED_BYTE
: return ubyte_types_norm
[size
-1];
212 case GL_FIXED
: return fixed_types
[size
-1];
213 default: assert(0); return 0;
218 case GL_DOUBLE
: return double_types
[size
-1];
219 case GL_FLOAT
: return float_types
[size
-1];
220 case GL_HALF_FLOAT
: return half_float_types
[size
-1];
221 case GL_INT
: return int_types_scale
[size
-1];
222 case GL_SHORT
: return short_types_scale
[size
-1];
223 case GL_BYTE
: return byte_types_scale
[size
-1];
224 case GL_UNSIGNED_INT
: return uint_types_scale
[size
-1];
225 case GL_UNSIGNED_SHORT
: return ushort_types_scale
[size
-1];
226 case GL_UNSIGNED_BYTE
: return ubyte_types_scale
[size
-1];
227 case GL_FIXED
: return fixed_types
[size
-1];
228 default: assert(0); return 0;
231 return 0; /* silence compiler warning */
239 * Examine the active arrays to determine if we have interleaved
240 * vertex arrays all living in one VBO, or all living in user space.
241 * \param userSpace returns whether the arrays are in user space.
244 is_interleaved_arrays(const struct st_vertex_program
*vp
,
245 const struct st_vp_variant
*vpv
,
246 const struct gl_client_array
**arrays
,
247 GLboolean
*userSpace
)
250 const struct gl_buffer_object
*firstBufObj
= NULL
;
251 GLint firstStride
= -1;
252 GLuint num_client_arrays
= 0;
253 const GLubyte
*client_addr
= NULL
;
255 for (attr
= 0; attr
< vpv
->num_inputs
; attr
++) {
256 const GLuint mesaAttr
= vp
->index_to_input
[attr
];
257 const struct gl_buffer_object
*bufObj
= arrays
[mesaAttr
]->BufferObj
;
258 const GLsizei stride
= arrays
[mesaAttr
]->StrideB
; /* in bytes */
260 if (firstStride
< 0) {
261 firstStride
= stride
;
263 else if (firstStride
!= stride
) {
267 if (!bufObj
|| !bufObj
->Name
) {
269 /* Try to detect if the client-space arrays are
270 * "close" to each other.
273 client_addr
= arrays
[mesaAttr
]->Ptr
;
275 else if (abs(arrays
[mesaAttr
]->Ptr
- client_addr
) > firstStride
) {
276 /* arrays start too far apart */
280 else if (!firstBufObj
) {
281 firstBufObj
= bufObj
;
283 else if (bufObj
!= firstBufObj
) {
288 *userSpace
= (num_client_arrays
== vpv
->num_inputs
);
289 /* debug_printf("user space: %s (%d arrays, %d inputs)\n",
290 (int)*userSpace ? "Yes" : "No", num_client_arrays, vp->num_inputs); */
297 * Compute the memory range occupied by the arrays.
300 get_arrays_bounds(const struct st_vertex_program
*vp
,
301 const struct st_vp_variant
*vpv
,
302 const struct gl_client_array
**arrays
,
304 const GLubyte
**low
, const GLubyte
**high
)
306 const GLubyte
*low_addr
= NULL
;
307 const GLubyte
*high_addr
= NULL
;
310 /* debug_printf("get_arrays_bounds: Handling %u attrs\n", vpv->num_inputs); */
312 for (attr
= 0; attr
< vpv
->num_inputs
; attr
++) {
313 const GLuint mesaAttr
= vp
->index_to_input
[attr
];
314 const GLint stride
= arrays
[mesaAttr
]->StrideB
;
315 const GLubyte
*start
= arrays
[mesaAttr
]->Ptr
;
316 const unsigned sz
= (arrays
[mesaAttr
]->Size
*
317 _mesa_sizeof_type(arrays
[mesaAttr
]->Type
));
318 const GLubyte
*end
= start
+ (max_index
* stride
) + sz
;
320 /* debug_printf("attr %u: stride %d size %u start %p end %p\n",
321 attr, stride, sz, start, end); */
328 low_addr
= MIN2(low_addr
, start
);
329 high_addr
= MAX2(high_addr
, end
);
339 * Set up for drawing interleaved arrays that all live in one VBO
340 * or all live in user space.
341 * \param vbuffer returns vertex buffer info
342 * \param velements returns vertex element info
345 setup_interleaved_attribs(struct gl_context
*ctx
,
346 const struct st_vertex_program
*vp
,
347 const struct st_vp_variant
*vpv
,
348 const struct gl_client_array
**arrays
,
351 struct pipe_vertex_buffer
*vbuffer
,
352 struct pipe_vertex_element velements
[])
354 struct st_context
*st
= st_context(ctx
);
355 struct pipe_context
*pipe
= st
->pipe
;
357 const GLubyte
*offset0
= NULL
;
359 for (attr
= 0; attr
< vpv
->num_inputs
; attr
++) {
360 const GLuint mesaAttr
= vp
->index_to_input
[attr
];
361 struct gl_buffer_object
*bufobj
= arrays
[mesaAttr
]->BufferObj
;
362 struct st_buffer_object
*stobj
= st_buffer_object(bufobj
);
363 GLsizei stride
= arrays
[mesaAttr
]->StrideB
;
365 /*printf("stobj %u = %p\n", attr, (void*)stobj);*/
368 const GLubyte
*low
, *high
;
370 get_arrays_bounds(vp
, vpv
, arrays
, max_index
, &low
, &high
);
371 /* debug_printf("buffer range: %p %p range %d max index %u\n",
372 low, high, high - low, max_index); */
377 pipe_user_buffer_create(pipe
->screen
, (void *) low
, high
- low
,
378 PIPE_BIND_VERTEX_BUFFER
);
379 vbuffer
->buffer_offset
= 0;
382 vbuffer
->buffer
= NULL
;
383 pipe_resource_reference(&vbuffer
->buffer
, stobj
->buffer
);
384 vbuffer
->buffer_offset
= pointer_to_offset(low
);
386 vbuffer
->stride
= stride
; /* in bytes */
390 if (arrays[mesaAttr]->InstanceDivisor)
391 vbuffer[attr].max_index = arrays[mesaAttr]->_MaxElement;
393 vbuffer[attr].max_index = max_index;
396 velements
[attr
].src_offset
=
397 (unsigned) (arrays
[mesaAttr
]->Ptr
- offset0
);
398 velements
[attr
].instance_divisor
= arrays
[mesaAttr
]->InstanceDivisor
;
399 velements
[attr
].vertex_buffer_index
= 0;
400 velements
[attr
].src_format
=
401 st_pipe_vertex_format(arrays
[mesaAttr
]->Type
,
402 arrays
[mesaAttr
]->Size
,
403 arrays
[mesaAttr
]->Format
,
404 arrays
[mesaAttr
]->Normalized
);
405 assert(velements
[attr
].src_format
);
411 * Set up a separate pipe_vertex_buffer and pipe_vertex_element for each
413 * \param vbuffer returns vertex buffer info
414 * \param velements returns vertex element info
417 setup_non_interleaved_attribs(struct gl_context
*ctx
,
418 const struct st_vertex_program
*vp
,
419 const struct st_vp_variant
*vpv
,
420 const struct gl_client_array
**arrays
,
422 GLboolean
*userSpace
,
423 struct pipe_vertex_buffer vbuffer
[],
424 struct pipe_vertex_element velements
[])
426 struct st_context
*st
= st_context(ctx
);
427 struct pipe_context
*pipe
= st
->pipe
;
430 for (attr
= 0; attr
< vpv
->num_inputs
; attr
++) {
431 const GLuint mesaAttr
= vp
->index_to_input
[attr
];
432 struct gl_buffer_object
*bufobj
= arrays
[mesaAttr
]->BufferObj
;
433 GLsizei stride
= arrays
[mesaAttr
]->StrideB
;
435 *userSpace
= GL_FALSE
;
437 if (bufobj
&& bufobj
->Name
) {
438 /* Attribute data is in a VBO.
439 * Recall that for VBOs, the gl_client_array->Ptr field is
440 * really an offset from the start of the VBO, not a pointer.
442 struct st_buffer_object
*stobj
= st_buffer_object(bufobj
);
443 assert(stobj
->buffer
);
444 /*printf("stobj %u = %p\n", attr, (void*) stobj);*/
446 vbuffer
[attr
].buffer
= NULL
;
447 pipe_resource_reference(&vbuffer
[attr
].buffer
, stobj
->buffer
);
448 vbuffer
[attr
].buffer_offset
= pointer_to_offset(arrays
[mesaAttr
]->Ptr
);
451 /* attribute data is in user-space memory, not a VBO */
453 /*printf("user-space array %d stride %d\n", attr, stride);*/
455 *userSpace
= GL_TRUE
;
458 if (arrays
[mesaAttr
]->Ptr
) {
459 /* user's vertex array */
460 if (arrays
[mesaAttr
]->StrideB
) {
461 bytes
= arrays
[mesaAttr
]->StrideB
* (max_index
+ 1);
464 bytes
= arrays
[mesaAttr
]->Size
465 * _mesa_sizeof_type(arrays
[mesaAttr
]->Type
);
467 vbuffer
[attr
].buffer
=
468 pipe_user_buffer_create(pipe
->screen
,
469 (void *) arrays
[mesaAttr
]->Ptr
, bytes
,
470 PIPE_BIND_VERTEX_BUFFER
);
473 /* no array, use ctx->Current.Attrib[] value */
474 bytes
= sizeof(ctx
->Current
.Attrib
[0]);
475 vbuffer
[attr
].buffer
=
476 pipe_user_buffer_create(pipe
->screen
,
477 (void *) ctx
->Current
.Attrib
[mesaAttr
],
479 PIPE_BIND_VERTEX_BUFFER
);
483 vbuffer
[attr
].buffer_offset
= 0;
486 assert(velements
[attr
].src_offset
<= 2048); /* 11-bit field */
488 /* common-case setup */
489 vbuffer
[attr
].stride
= stride
; /* in bytes */
491 velements
[attr
].src_offset
= 0;
492 velements
[attr
].instance_divisor
= arrays
[mesaAttr
]->InstanceDivisor
;
493 velements
[attr
].vertex_buffer_index
= attr
;
494 velements
[attr
].src_format
495 = st_pipe_vertex_format(arrays
[mesaAttr
]->Type
,
496 arrays
[mesaAttr
]->Size
,
497 arrays
[mesaAttr
]->Format
,
498 arrays
[mesaAttr
]->Normalized
);
499 assert(velements
[attr
].src_format
);
505 setup_index_buffer(struct gl_context
*ctx
,
506 const struct _mesa_index_buffer
*ib
,
507 struct pipe_index_buffer
*ibuffer
)
509 struct st_context
*st
= st_context(ctx
);
510 struct pipe_context
*pipe
= st
->pipe
;
512 memset(ibuffer
, 0, sizeof(*ibuffer
));
514 struct gl_buffer_object
*bufobj
= ib
->obj
;
517 case GL_UNSIGNED_INT
:
518 ibuffer
->index_size
= 4;
520 case GL_UNSIGNED_SHORT
:
521 ibuffer
->index_size
= 2;
523 case GL_UNSIGNED_BYTE
:
524 ibuffer
->index_size
= 1;
531 /* get/create the index buffer object */
532 if (bufobj
&& bufobj
->Name
) {
533 /* elements/indexes are in a real VBO */
534 struct st_buffer_object
*stobj
= st_buffer_object(bufobj
);
535 pipe_resource_reference(&ibuffer
->buffer
, stobj
->buffer
);
536 ibuffer
->offset
= pointer_to_offset(ib
->ptr
);
539 /* element/indicies are in user space memory */
541 pipe_user_buffer_create(pipe
->screen
, (void *) ib
->ptr
,
542 ib
->count
* ibuffer
->index_size
,
543 PIPE_BIND_INDEX_BUFFER
);
549 * Prior to drawing, check that any uniforms referenced by the
550 * current shader have been set. If a uniform has not been set,
554 check_uniforms(struct gl_context
*ctx
)
556 struct gl_shader_program
*shProg
[3] = {
557 ctx
->Shader
.CurrentVertexProgram
,
558 ctx
->Shader
.CurrentGeometryProgram
,
559 ctx
->Shader
.CurrentFragmentProgram
,
563 for (j
= 0; j
< 3; j
++) {
566 if (shProg
[j
] == NULL
|| !shProg
[j
]->LinkStatus
)
569 for (i
= 0; i
< shProg
[j
]->Uniforms
->NumUniforms
; i
++) {
570 const struct gl_uniform
*u
= &shProg
[j
]->Uniforms
->Uniforms
[i
];
571 if (!u
->Initialized
) {
573 "Using shader with uninitialized uniform: %s",
582 * Translate OpenGL primtive type (GL_POINTS, GL_TRIANGLE_STRIP, etc) to
583 * the corresponding Gallium type.
586 translate_prim(const struct gl_context
*ctx
, unsigned prim
)
588 /* GL prims should match Gallium prims, spot-check a few */
589 assert(GL_POINTS
== PIPE_PRIM_POINTS
);
590 assert(GL_QUADS
== PIPE_PRIM_QUADS
);
591 assert(GL_TRIANGLE_STRIP_ADJACENCY
== PIPE_PRIM_TRIANGLE_STRIP_ADJACENCY
);
593 /* Avoid quadstrips if it's easy to do so:
594 * Note: it's imporant to do the correct trimming if we change the prim type!
595 * We do that wherever this function is called.
597 if (prim
== GL_QUAD_STRIP
&&
598 ctx
->Light
.ShadeModel
!= GL_FLAT
&&
599 ctx
->Polygon
.FrontMode
== GL_FILL
&&
600 ctx
->Polygon
.BackMode
== GL_FILL
)
601 prim
= GL_TRIANGLE_STRIP
;
609 * This function gets plugged into the VBO module and is called when
610 * we have something to render.
611 * Basically, translate the information into the format expected by gallium.
614 st_draw_vbo(struct gl_context
*ctx
,
615 const struct gl_client_array
**arrays
,
616 const struct _mesa_prim
*prims
,
618 const struct _mesa_index_buffer
*ib
,
619 GLboolean index_bounds_valid
,
623 struct st_context
*st
= st_context(ctx
);
624 struct pipe_context
*pipe
= st
->pipe
;
625 const struct st_vertex_program
*vp
;
626 const struct st_vp_variant
*vpv
;
627 struct pipe_vertex_buffer vbuffer
[PIPE_MAX_SHADER_INPUTS
];
629 struct pipe_vertex_element velements
[PIPE_MAX_ATTRIBS
];
630 unsigned num_vbuffers
, num_velements
;
631 struct pipe_index_buffer ibuffer
;
632 GLboolean userSpace
= GL_FALSE
;
633 GLboolean vertDataEdgeFlags
;
634 struct pipe_draw_info info
;
637 /* Mesa core state should have been validated already */
638 assert(ctx
->NewState
== 0x0);
640 /* Gallium probably doesn't want this in some cases. */
641 if (!index_bounds_valid
)
642 if (!vbo_all_varyings_in_vbos(arrays
))
643 vbo_get_minmax_index(ctx
, prims
, ib
, &min_index
, &max_index
);
645 /* sanity check for pointer arithmetic below */
646 assert(sizeof(arrays
[0]->Ptr
[0]) == 1);
648 vertDataEdgeFlags
= arrays
[VERT_ATTRIB_EDGEFLAG
]->BufferObj
&&
649 arrays
[VERT_ATTRIB_EDGEFLAG
]->BufferObj
->Name
;
650 if (vertDataEdgeFlags
!= st
->vertdata_edgeflags
) {
651 st
->vertdata_edgeflags
= vertDataEdgeFlags
;
652 st
->dirty
.st
|= ST_NEW_EDGEFLAGS_DATA
;
655 st_validate_state(st
);
657 /* must get these after state validation! */
659 vpv
= st
->vp_variant
;
662 if (MESA_VERBOSE
& VERBOSE_GLSL
) {
666 (void) check_uniforms
;
669 memset(velements
, 0, sizeof(struct pipe_vertex_element
) * vpv
->num_inputs
);
671 * Setup the vbuffer[] and velements[] arrays.
673 if (is_interleaved_arrays(vp
, vpv
, arrays
, &userSpace
)) {
674 /*printf("Draw interleaved\n");*/
675 setup_interleaved_attribs(ctx
, vp
, vpv
, arrays
, max_index
, userSpace
,
678 num_velements
= vpv
->num_inputs
;
679 if (num_velements
== 0)
683 /*printf("Draw non-interleaved\n");*/
684 setup_non_interleaved_attribs(ctx
, vp
, vpv
, arrays
, max_index
,
685 &userSpace
, vbuffer
, velements
);
686 num_vbuffers
= vpv
->num_inputs
;
687 num_velements
= vpv
->num_inputs
;
693 for (i
= 0; i
< num_vbuffers
; i
++) {
694 printf("buffers[%d].stride = %u\n", i
, vbuffer
[i
].stride
);
695 printf("buffers[%d].max_index = %u\n", i
, vbuffer
[i
].max_index
);
696 printf("buffers[%d].buffer_offset = %u\n", i
, vbuffer
[i
].buffer_offset
);
697 printf("buffers[%d].buffer = %p\n", i
, (void*) vbuffer
[i
].buffer
);
699 for (i
= 0; i
< num_velements
; i
++) {
700 printf("vlements[%d].vbuffer_index = %u\n", i
, velements
[i
].vertex_buffer_index
);
701 printf("vlements[%d].src_offset = %u\n", i
, velements
[i
].src_offset
);
702 printf("vlements[%d].format = %s\n", i
, util_format_name(velements
[i
].src_format
));
707 cso_set_vertex_buffers(st
->cso_context
, num_vbuffers
, vbuffer
);
708 cso_set_vertex_elements(st
->cso_context
, num_velements
, velements
);
710 setup_index_buffer(ctx
, ib
, &ibuffer
);
711 pipe
->set_index_buffer(pipe
, &ibuffer
);
713 util_draw_init_info(&info
);
716 if (min_index
!= ~0 && max_index
!= ~0) {
717 info
.min_index
= min_index
;
718 info
.max_index
= max_index
;
722 info
.primitive_restart
= st
->ctx
->Array
.PrimitiveRestart
;
723 info
.restart_index
= st
->ctx
->Array
.RestartIndex
;
725 /* do actual drawing */
726 for (i
= 0; i
< nr_prims
; i
++) {
727 info
.mode
= translate_prim( ctx
, prims
[i
].mode
);
728 info
.start
= prims
[i
].start
;
729 info
.count
= prims
[i
].count
;
730 info
.instance_count
= prims
[i
].num_instances
;
731 info
.index_bias
= prims
[i
].basevertex
;
733 info
.min_index
= info
.start
;
734 info
.max_index
= info
.start
+ info
.count
- 1;
737 if (u_trim_pipe_prim(info
.mode
, &info
.count
))
738 pipe
->draw_vbo(pipe
, &info
);
741 pipe_resource_reference(&ibuffer
.buffer
, NULL
);
743 /* unreference buffers (frees wrapped user-space buffer objects) */
744 for (attr
= 0; attr
< num_vbuffers
; attr
++) {
745 pipe_resource_reference(&vbuffer
[attr
].buffer
, NULL
);
746 assert(!vbuffer
[attr
].buffer
);
751 pipe
->set_vertex_buffers(pipe
, 0, NULL
);
756 void st_init_draw( struct st_context
*st
)
758 struct gl_context
*ctx
= st
->ctx
;
760 vbo_set_draw_func(ctx
, st_draw_vbo
);
762 #if FEATURE_feedback || FEATURE_rastpos
763 st
->draw
= draw_create(st
->pipe
); /* for selection/feedback */
765 /* Disable draw options that might convert points/lines to tris, etc.
766 * as that would foul-up feedback/selection mode.
768 draw_wide_line_threshold(st
->draw
, 1000.0f
);
769 draw_wide_point_threshold(st
->draw
, 1000.0f
);
770 draw_enable_line_stipple(st
->draw
, FALSE
);
771 draw_enable_point_sprites(st
->draw
, FALSE
);
776 void st_destroy_draw( struct st_context
*st
)
778 #if FEATURE_feedback || FEATURE_rastpos
779 draw_destroy(st
->draw
);