2 * WINED3D draw functions
4 * Copyright 2002-2004 Jason Edmeades
5 * Copyright 2002-2004 Raphael Junqueira
6 * Copyright 2004 Christian Costa
7 * Copyright 2005 Oliver Stieber
8 * Copyright 2006, 2008 Henri Verbeet
9 * Copyright 2007-2008 Stefan Dösinger for CodeWeavers
10 * Copyright 2009 Henri Verbeet for CodeWeavers
12 * This library is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU Lesser General Public
14 * License as published by the Free Software Foundation; either
15 * version 2.1 of the License, or (at your option) any later version.
17 * This library is distributed in the hope that it will be useful,
18 * but WITHOUT ANY WARRANTY; without even the implied warranty of
19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
20 * Lesser General Public License for more details.
22 * You should have received a copy of the GNU Lesser General Public
23 * License along with this library; if not, write to the Free Software
24 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
28 #include "wine/port.h"
30 #include "wined3d_private.h"
32 WINE_DEFAULT_DEBUG_CHANNEL(d3d_draw
);
33 WINE_DECLARE_DEBUG_CHANNEL(d3d_perf
);
38 /* Context activation is done by the caller. */
39 static void draw_primitive_arrays(struct wined3d_context
*context
, const struct wined3d_state
*state
,
40 unsigned int count
, const void *idx_data
, unsigned int idx_size
, unsigned int start_idx
,
41 unsigned int start_instance
, unsigned int instance_count
)
43 const struct wined3d_ffp_attrib_ops
*ops
= &context
->d3d_info
->ffp_attrib_ops
;
44 GLenum idx_type
= idx_size
== 2 ? GL_UNSIGNED_SHORT
: GL_UNSIGNED_INT
;
45 const struct wined3d_stream_info
*si
= &context
->stream_info
;
46 unsigned int instanced_elements
[ARRAY_SIZE(si
->elements
)];
47 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
48 unsigned int instanced_element_count
= 0;
55 gl_info
->gl_ops
.gl
.p_glDrawArrays(state
->gl_primitive_type
, start_idx
, count
);
56 checkGLcall("glDrawArrays");
60 if (gl_info
->supported
[ARB_DRAW_ELEMENTS_BASE_VERTEX
])
62 GL_EXTCALL(glDrawElementsBaseVertex(state
->gl_primitive_type
, count
, idx_type
,
63 (const char *)idx_data
+ (idx_size
* start_idx
), state
->base_vertex_index
));
64 checkGLcall("glDrawElementsBaseVertex");
68 gl_info
->gl_ops
.gl
.p_glDrawElements(state
->gl_primitive_type
, count
,
69 idx_type
, (const char *)idx_data
+ (idx_size
* start_idx
));
70 checkGLcall("glDrawElements");
75 FIXME("Start instance (%u) not supported.\n", start_instance
);
77 if (gl_info
->supported
[ARB_INSTANCED_ARRAYS
])
81 GL_EXTCALL(glDrawArraysInstanced(state
->gl_primitive_type
, start_idx
, count
, instance_count
));
82 checkGLcall("glDrawArraysInstanced");
86 if (gl_info
->supported
[ARB_DRAW_ELEMENTS_BASE_VERTEX
])
88 GL_EXTCALL(glDrawElementsInstancedBaseVertex(state
->gl_primitive_type
, count
, idx_type
,
89 (const char *)idx_data
+ (idx_size
* start_idx
), instance_count
, state
->base_vertex_index
));
90 checkGLcall("glDrawElementsInstancedBaseVertex");
94 GL_EXTCALL(glDrawElementsInstanced(state
->gl_primitive_type
, count
, idx_type
,
95 (const char *)idx_data
+ (idx_size
* start_idx
), instance_count
));
96 checkGLcall("glDrawElementsInstanced");
100 /* Instancing emulation by mixing immediate mode and arrays. */
102 /* This is a nasty thing. MSDN says no hardware supports this and
103 * applications have to use software vertex processing. We don't support
106 * Shouldn't be too hard to support with OpenGL, in theory just call
107 * glDrawArrays() instead of drawElements(). But the stream fequency value
108 * has a different meaning in that situation. */
111 FIXME("Non-indexed instanced drawing is not supported\n");
115 for (i
= 0; i
< ARRAY_SIZE(si
->elements
); ++i
)
117 if (!(si
->use_map
& (1u << i
)))
120 if (state
->streams
[si
->elements
[i
].stream_idx
].flags
& WINED3DSTREAMSOURCE_INSTANCEDATA
)
121 instanced_elements
[instanced_element_count
++] = i
;
124 for (i
= 0; i
< instance_count
; ++i
)
126 /* Specify the instanced attributes using immediate mode calls. */
127 for (j
= 0; j
< instanced_element_count
; ++j
)
129 const struct wined3d_stream_info_element
*element
;
130 unsigned int element_idx
;
133 element_idx
= instanced_elements
[j
];
134 element
= &si
->elements
[element_idx
];
135 ptr
= element
->data
.addr
+ element
->stride
* i
;
136 if (element
->data
.buffer_object
)
137 ptr
+= (ULONG_PTR
)buffer_get_sysmem(state
->streams
[element
->stream_idx
].buffer
, context
);
138 ops
->generic
[element
->format
->emit_idx
](element_idx
, ptr
);
141 if (gl_info
->supported
[ARB_DRAW_ELEMENTS_BASE_VERTEX
])
143 GL_EXTCALL(glDrawElementsBaseVertex(state
->gl_primitive_type
, count
, idx_type
,
144 (const char *)idx_data
+ (idx_size
* start_idx
), state
->base_vertex_index
));
145 checkGLcall("glDrawElementsBaseVertex");
149 gl_info
->gl_ops
.gl
.p_glDrawElements(state
->gl_primitive_type
, count
, idx_type
,
150 (const char *)idx_data
+ (idx_size
* start_idx
));
151 checkGLcall("glDrawElements");
156 static unsigned int get_stride_idx(const void *idx_data
, unsigned int idx_size
,
157 unsigned int base_vertex_idx
, unsigned int start_idx
, unsigned int vertex_idx
)
160 return start_idx
+ vertex_idx
;
162 return ((const WORD
*)idx_data
)[start_idx
+ vertex_idx
] + base_vertex_idx
;
163 return ((const DWORD
*)idx_data
)[start_idx
+ vertex_idx
] + base_vertex_idx
;
166 /* Context activation is done by the caller. */
167 static void draw_primitive_immediate_mode(struct wined3d_context
*context
, const struct wined3d_state
*state
,
168 const struct wined3d_stream_info
*si
, unsigned int vertex_count
, const void *idx_data
,
169 unsigned int idx_size
, unsigned int start_idx
, unsigned int instance_count
)
171 const BYTE
*position
= NULL
, *normal
= NULL
, *diffuse
= NULL
, *specular
= NULL
;
172 const struct wined3d_d3d_info
*d3d_info
= context
->d3d_info
;
173 unsigned int coord_idx
, stride_idx
, texture_idx
, vertex_idx
;
174 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
175 const struct wined3d_stream_info_element
*element
;
176 const BYTE
*tex_coords
[WINED3DDP_MAXTEXCOORD
];
177 unsigned int texture_unit
, texture_stages
;
178 const struct wined3d_ffp_attrib_ops
*ops
;
179 unsigned int untracked_material_count
;
180 unsigned int tex_mask
= 0;
181 BOOL specular_fog
= FALSE
;
182 BOOL ps
= use_ps(state
);
185 static unsigned int once
;
188 FIXME_(d3d_perf
)("Drawing using immediate mode.\n");
190 WARN_(d3d_perf
)("Drawing using immediate mode.\n");
192 if (!idx_size
&& idx_data
)
193 ERR("Non-NULL idx_data with 0 idx_size, this should never happen.\n");
196 FIXME("Instancing not implemented.\n");
198 /* Immediate mode drawing can't make use of indices in a vbo - get the
199 * data from the index buffer. If the index buffer has no vbo (not
200 * supported or other reason), or with user pointer drawing idx_data
201 * will be non-NULL. */
202 if (idx_size
&& !idx_data
)
203 idx_data
= buffer_get_sysmem(state
->index_buffer
, context
);
205 ops
= &d3d_info
->ffp_attrib_ops
;
207 gl_info
->gl_ops
.gl
.p_glBegin(state
->gl_primitive_type
);
209 if (use_vs(state
) || d3d_info
->ffp_generic_attributes
)
211 for (vertex_idx
= 0; vertex_idx
< vertex_count
; ++vertex_idx
)
213 unsigned int use_map
= si
->use_map
;
214 unsigned int element_idx
;
216 stride_idx
= get_stride_idx(idx_data
, idx_size
, state
->base_vertex_index
, start_idx
, vertex_idx
);
217 for (element_idx
= MAX_ATTRIBS
- 1; use_map
; use_map
&= ~(1u << element_idx
), --element_idx
)
219 if (!(use_map
& 1u << element_idx
))
222 ptr
= si
->elements
[element_idx
].data
.addr
+ si
->elements
[element_idx
].stride
* stride_idx
;
223 ops
->generic
[si
->elements
[element_idx
].format
->emit_idx
](element_idx
, ptr
);
227 gl_info
->gl_ops
.gl
.p_glEnd();
231 if (si
->use_map
& (1u << WINED3D_FFP_POSITION
))
232 position
= si
->elements
[WINED3D_FFP_POSITION
].data
.addr
;
234 if (si
->use_map
& (1u << WINED3D_FFP_NORMAL
))
235 normal
= si
->elements
[WINED3D_FFP_NORMAL
].data
.addr
;
237 gl_info
->gl_ops
.gl
.p_glNormal3f(0.0f
, 0.0f
, 0.0f
);
239 untracked_material_count
= context
->num_untracked_materials
;
240 if (si
->use_map
& (1u << WINED3D_FFP_DIFFUSE
))
242 element
= &si
->elements
[WINED3D_FFP_DIFFUSE
];
243 diffuse
= element
->data
.addr
;
245 if (untracked_material_count
&& element
->format
->id
!= WINED3DFMT_B8G8R8A8_UNORM
)
246 FIXME("Implement diffuse color tracking from %s.\n", debug_d3dformat(element
->format
->id
));
250 gl_info
->gl_ops
.gl
.p_glColor4f(1.0f
, 1.0f
, 1.0f
, 1.0f
);
253 if (si
->use_map
& (1u << WINED3D_FFP_SPECULAR
))
255 element
= &si
->elements
[WINED3D_FFP_SPECULAR
];
256 specular
= element
->data
.addr
;
258 /* Special case where the fog density is stored in the specular alpha channel. */
259 if (state
->render_states
[WINED3D_RS_FOGENABLE
]
260 && (state
->render_states
[WINED3D_RS_FOGVERTEXMODE
] == WINED3D_FOG_NONE
261 || si
->elements
[WINED3D_FFP_POSITION
].format
->id
== WINED3DFMT_R32G32B32A32_FLOAT
)
262 && state
->render_states
[WINED3D_RS_FOGTABLEMODE
] == WINED3D_FOG_NONE
)
264 if (gl_info
->supported
[EXT_FOG_COORD
])
266 if (element
->format
->id
== WINED3DFMT_B8G8R8A8_UNORM
)
269 FIXME("Implement fog coordinates from %s.\n", debug_d3dformat(element
->format
->id
));
273 static unsigned int once
;
276 FIXME("Implement fog for transformed vertices in software.\n");
280 else if (gl_info
->supported
[EXT_SECONDARY_COLOR
])
282 GL_EXTCALL(glSecondaryColor3fEXT
)(0.0f
, 0.0f
, 0.0f
);
285 texture_stages
= d3d_info
->limits
.ffp_blend_stages
;
286 for (texture_idx
= 0; texture_idx
< texture_stages
; ++texture_idx
)
288 if (!gl_info
->supported
[ARB_MULTITEXTURE
] && texture_idx
> 0)
290 FIXME("Program using multiple concurrent textures which this OpenGL implementation doesn't support.\n");
294 if (!ps
&& !state
->textures
[texture_idx
])
297 texture_unit
= context
->tex_unit_map
[texture_idx
];
298 if (texture_unit
== WINED3D_UNMAPPED_STAGE
)
301 coord_idx
= state
->texture_states
[texture_idx
][WINED3D_TSS_TEXCOORD_INDEX
];
304 TRACE("Skipping generated coordinates (%#x) for texture %u.\n", coord_idx
, texture_idx
);
308 if (si
->use_map
& (1u << (WINED3D_FFP_TEXCOORD0
+ coord_idx
)))
310 tex_coords
[coord_idx
] = si
->elements
[WINED3D_FFP_TEXCOORD0
+ coord_idx
].data
.addr
;
311 tex_mask
|= (1u << texture_idx
);
315 TRACE("Setting default coordinates for texture %u.\n", texture_idx
);
316 if (gl_info
->supported
[ARB_MULTITEXTURE
])
317 GL_EXTCALL(glMultiTexCoord4fARB(GL_TEXTURE0_ARB
+ texture_unit
, 0.0f
, 0.0f
, 0.0f
, 1.0f
));
319 gl_info
->gl_ops
.gl
.p_glTexCoord4f(0.0f
, 0.0f
, 0.0f
, 1.0f
);
323 /* Blending data and point sizes are not supported by this function. They
324 * are not supported by the fixed function pipeline at all. A FIXME for
325 * them is printed after decoding the vertex declaration. */
326 for (vertex_idx
= 0; vertex_idx
< vertex_count
; ++vertex_idx
)
328 unsigned int tmp_tex_mask
;
330 stride_idx
= get_stride_idx(idx_data
, idx_size
, state
->base_vertex_index
, start_idx
, vertex_idx
);
334 ptr
= normal
+ stride_idx
* si
->elements
[WINED3D_FFP_NORMAL
].stride
;
335 ops
->normal
[si
->elements
[WINED3D_FFP_NORMAL
].format
->emit_idx
](ptr
);
340 ptr
= diffuse
+ stride_idx
* si
->elements
[WINED3D_FFP_DIFFUSE
].stride
;
341 ops
->diffuse
[si
->elements
[WINED3D_FFP_DIFFUSE
].format
->emit_idx
](ptr
);
343 if (untracked_material_count
)
345 struct wined3d_color color
;
348 wined3d_color_from_d3dcolor(&color
, *(const DWORD
*)ptr
);
349 for (i
= 0; i
< untracked_material_count
; ++i
)
351 gl_info
->gl_ops
.gl
.p_glMaterialfv(GL_FRONT_AND_BACK
, context
->untracked_materials
[i
], &color
.r
);
358 ptr
= specular
+ stride_idx
* si
->elements
[WINED3D_FFP_SPECULAR
].stride
;
359 ops
->specular
[si
->elements
[WINED3D_FFP_SPECULAR
].format
->emit_idx
](ptr
);
362 GL_EXTCALL(glFogCoordfEXT((float)(*(const DWORD
*)ptr
>> 24)));
365 tmp_tex_mask
= tex_mask
;
366 for (texture_idx
= 0; tmp_tex_mask
; tmp_tex_mask
>>= 1, ++texture_idx
)
368 if (!(tmp_tex_mask
& 1))
371 coord_idx
= state
->texture_states
[texture_idx
][WINED3D_TSS_TEXCOORD_INDEX
];
372 ptr
= tex_coords
[coord_idx
] + (stride_idx
* si
->elements
[WINED3D_FFP_TEXCOORD0
+ coord_idx
].stride
);
373 ops
->texcoord
[si
->elements
[WINED3D_FFP_TEXCOORD0
+ coord_idx
].format
->emit_idx
](
374 GL_TEXTURE0_ARB
+ context
->tex_unit_map
[texture_idx
], ptr
);
379 ptr
= position
+ stride_idx
* si
->elements
[WINED3D_FFP_POSITION
].stride
;
380 ops
->position
[si
->elements
[WINED3D_FFP_POSITION
].format
->emit_idx
](ptr
);
384 gl_info
->gl_ops
.gl
.p_glEnd();
385 checkGLcall("glEnd and previous calls");
388 static void remove_vbos(struct wined3d_context
*context
,
389 const struct wined3d_state
*state
, struct wined3d_stream_info
*s
)
393 for (i
= 0; i
< (sizeof(s
->elements
) / sizeof(*s
->elements
)); ++i
)
395 struct wined3d_stream_info_element
*e
;
397 if (!(s
->use_map
& (1u << i
))) continue;
400 if (e
->data
.buffer_object
)
402 struct wined3d_buffer
*vb
= state
->streams
[e
->stream_idx
].buffer
;
403 e
->data
.buffer_object
= 0;
404 e
->data
.addr
= (BYTE
*)((ULONG_PTR
)e
->data
.addr
+ (ULONG_PTR
)buffer_get_sysmem(vb
, context
));
409 /* Routine common to the draw primitive and draw indexed primitive routines */
410 void draw_primitive(struct wined3d_device
*device
, const struct wined3d_state
*state
,
411 unsigned int start_idx
, unsigned int index_count
, unsigned int start_instance
,
412 unsigned int instance_count
, BOOL indexed
)
414 const struct wined3d_fb_state
*fb
= state
->fb
;
415 const struct wined3d_stream_info
*stream_info
;
416 struct wined3d_event_query
*ib_query
= NULL
;
417 struct wined3d_stream_info si_emulated
;
418 struct wined3d_rendertarget_view
*dsv
;
419 const struct wined3d_gl_info
*gl_info
;
420 struct wined3d_context
*context
;
421 unsigned int i
, idx_size
= 0;
422 const void *idx_data
= NULL
;
423 BOOL emulation
= FALSE
;
428 context
= context_acquire(device
, wined3d_rendertarget_view_get_surface(fb
->render_targets
[0]));
431 context_release(context
);
432 WARN("Invalid context, skipping draw.\n");
435 gl_info
= context
->gl_info
;
437 for (i
= 0; i
< gl_info
->limits
.buffers
; ++i
)
439 struct wined3d_rendertarget_view
*rtv
= fb
->render_targets
[i
];
440 struct wined3d_surface
*target
= wined3d_rendertarget_view_get_surface(rtv
);
442 if (target
&& rtv
->format
->id
!= WINED3DFMT_NULL
)
444 if (state
->render_states
[WINED3D_RS_COLORWRITEENABLE
])
446 surface_load_location(target
, context
, rtv
->resource
->draw_binding
);
447 wined3d_texture_invalidate_location(target
->container
,
448 rtv
->sub_resource_idx
, ~rtv
->resource
->draw_binding
);
452 wined3d_texture_prepare_location(target
->container
, rtv
->sub_resource_idx
,
453 context
, rtv
->resource
->draw_binding
);
458 if ((dsv
= fb
->depth_stencil
))
460 /* Note that this depends on the context_acquire() call above to set
461 * context->render_offscreen properly. We don't currently take the
462 * Z-compare function into account, but we could skip loading the
463 * depthstencil for D3DCMP_NEVER and D3DCMP_ALWAYS as well. Also note
464 * that we never copy the stencil data.*/
465 DWORD location
= context
->render_offscreen
? dsv
->resource
->draw_binding
: WINED3D_LOCATION_DRAWABLE
;
466 struct wined3d_surface
*ds
= wined3d_rendertarget_view_get_surface(dsv
);
468 if (state
->render_states
[WINED3D_RS_ZWRITEENABLE
] || state
->render_states
[WINED3D_RS_ZENABLE
])
470 RECT current_rect
, draw_rect
, r
;
472 if (!context
->render_offscreen
&& ds
!= device
->onscreen_depth_stencil
)
473 device_switch_onscreen_ds(device
, context
, ds
);
475 if (surface_get_sub_resource(ds
)->locations
& location
)
476 SetRect(¤t_rect
, 0, 0, ds
->ds_current_size
.cx
, ds
->ds_current_size
.cy
);
478 SetRectEmpty(¤t_rect
);
480 wined3d_get_draw_rect(state
, &draw_rect
);
482 IntersectRect(&r
, &draw_rect
, ¤t_rect
);
483 if (!EqualRect(&r
, &draw_rect
))
484 surface_load_location(ds
, context
, location
);
486 wined3d_texture_prepare_location(ds
->container
, dsv
->sub_resource_idx
, context
, location
);
489 wined3d_texture_prepare_location(ds
->container
, dsv
->sub_resource_idx
, context
, location
);
492 if (!context_apply_draw_state(context
, device
, state
))
494 context_release(context
);
495 WARN("Unable to apply draw state, skipping draw.\n");
499 if (fb
->depth_stencil
&& state
->render_states
[WINED3D_RS_ZWRITEENABLE
])
501 struct wined3d_surface
*ds
= wined3d_rendertarget_view_get_surface(fb
->depth_stencil
);
502 DWORD location
= context
->render_offscreen
? ds
->container
->resource
.draw_binding
: WINED3D_LOCATION_DRAWABLE
;
504 surface_modify_ds_location(ds
, location
, ds
->ds_current_size
.cx
, ds
->ds_current_size
.cy
);
507 if ((!gl_info
->supported
[WINED3D_GL_VERSION_2_0
]
508 || !gl_info
->supported
[NV_POINT_SPRITE
])
509 && context
->render_offscreen
510 && state
->render_states
[WINED3D_RS_POINTSPRITEENABLE
]
511 && state
->gl_primitive_type
== GL_POINTS
)
513 FIXME("Point sprite coordinate origin switching not supported.\n");
516 stream_info
= &context
->stream_info
;
517 if (context
->instance_count
)
518 instance_count
= context
->instance_count
;
522 struct wined3d_buffer
*index_buffer
= state
->index_buffer
;
523 if (!index_buffer
->buffer_object
|| !stream_info
->all_vbo
)
525 idx_data
= index_buffer
->resource
.heap_memory
;
529 ib_query
= index_buffer
->query
;
532 idx_data
= (const BYTE
*)idx_data
+ state
->index_offset
;
534 if (state
->index_format
== WINED3DFMT_R16_UINT
)
542 if (!stream_info
->position_transformed
&& context
->num_untracked_materials
543 && state
->render_states
[WINED3D_RS_LIGHTING
])
548 FIXME("Using software emulation because not all material properties could be tracked.\n");
550 WARN_(d3d_perf
)("Using software emulation because not all material properties could be tracked.\n");
553 else if (context
->fog_coord
&& state
->render_states
[WINED3D_RS_FOGENABLE
])
557 /* Either write a pipeline replacement shader or convert the
558 * specular alpha from unsigned byte to a float in the vertex
561 FIXME("Using software emulation because manual fog coordinates are provided.\n");
563 WARN_(d3d_perf
)("Using software emulation because manual fog coordinates are provided.\n");
569 si_emulated
= context
->stream_info
;
570 remove_vbos(context
, state
, &si_emulated
);
571 stream_info
= &si_emulated
;
575 if (context
->use_immediate_mode_draw
|| emulation
)
576 draw_primitive_immediate_mode(context
, state
, stream_info
, index_count
,
577 idx_data
, idx_size
, start_idx
, instance_count
);
579 draw_primitive_arrays(context
, state
, index_count
, idx_data
,
580 idx_size
, start_idx
, start_instance
, instance_count
);
583 wined3d_event_query_issue(ib_query
, device
);
584 for (i
= 0; i
< context
->num_buffer_queries
; ++i
)
585 wined3d_event_query_issue(context
->buffer_queries
[i
], device
);
587 if (wined3d_settings
.strict_draw_ordering
)
588 gl_info
->gl_ops
.gl
.p_glFlush(); /* Flush to ensure ordering across contexts. */
590 context_release(context
);
592 TRACE("Done all gl drawing.\n");