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
);
34 WINE_DECLARE_DEBUG_CHANNEL(d3d
);
39 /* Context activation is done by the caller. */
40 static void draw_primitive_arrays(struct wined3d_context
*context
, const struct wined3d_state
*state
,
41 const void *idx_data
, unsigned int idx_size
, int base_vertex_idx
, unsigned int start_idx
,
42 unsigned int count
, unsigned int start_instance
, unsigned int instance_count
)
44 const struct wined3d_ffp_attrib_ops
*ops
= &context
->d3d_info
->ffp_attrib_ops
;
45 GLenum idx_type
= idx_size
== 2 ? GL_UNSIGNED_SHORT
: GL_UNSIGNED_INT
;
46 const struct wined3d_stream_info
*si
= &context
->stream_info
;
47 unsigned int instanced_elements
[ARRAY_SIZE(si
->elements
)];
48 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
49 unsigned int instanced_element_count
= 0;
56 gl_info
->gl_ops
.gl
.p_glDrawArrays(state
->gl_primitive_type
, start_idx
, count
);
57 checkGLcall("glDrawArrays");
61 if (gl_info
->supported
[ARB_DRAW_ELEMENTS_BASE_VERTEX
])
63 GL_EXTCALL(glDrawElementsBaseVertex(state
->gl_primitive_type
, count
, idx_type
,
64 (const char *)idx_data
+ (idx_size
* start_idx
), base_vertex_idx
));
65 checkGLcall("glDrawElementsBaseVertex");
69 gl_info
->gl_ops
.gl
.p_glDrawElements(state
->gl_primitive_type
, count
,
70 idx_type
, (const char *)idx_data
+ (idx_size
* start_idx
));
71 checkGLcall("glDrawElements");
76 FIXME("Start instance (%u) not supported.\n", start_instance
);
78 if (gl_info
->supported
[ARB_INSTANCED_ARRAYS
])
82 GL_EXTCALL(glDrawArraysInstanced(state
->gl_primitive_type
, start_idx
, count
, instance_count
));
83 checkGLcall("glDrawArraysInstanced");
87 if (gl_info
->supported
[ARB_DRAW_ELEMENTS_BASE_VERTEX
])
89 GL_EXTCALL(glDrawElementsInstancedBaseVertex(state
->gl_primitive_type
, count
, idx_type
,
90 (const char *)idx_data
+ (idx_size
* start_idx
), instance_count
, base_vertex_idx
));
91 checkGLcall("glDrawElementsInstancedBaseVertex");
95 GL_EXTCALL(glDrawElementsInstanced(state
->gl_primitive_type
, count
, idx_type
,
96 (const char *)idx_data
+ (idx_size
* start_idx
), instance_count
));
97 checkGLcall("glDrawElementsInstanced");
101 /* Instancing emulation by mixing immediate mode and arrays. */
103 /* This is a nasty thing. MSDN says no hardware supports this and
104 * applications have to use software vertex processing. We don't support
107 * Shouldn't be too hard to support with OpenGL, in theory just call
108 * glDrawArrays() instead of drawElements(). But the stream fequency value
109 * has a different meaning in that situation. */
112 FIXME("Non-indexed instanced drawing is not supported\n");
116 for (i
= 0; i
< ARRAY_SIZE(si
->elements
); ++i
)
118 if (!(si
->use_map
& (1u << i
)))
121 if (state
->streams
[si
->elements
[i
].stream_idx
].flags
& WINED3DSTREAMSOURCE_INSTANCEDATA
)
122 instanced_elements
[instanced_element_count
++] = i
;
125 for (i
= 0; i
< instance_count
; ++i
)
127 /* Specify the instanced attributes using immediate mode calls. */
128 for (j
= 0; j
< instanced_element_count
; ++j
)
130 const struct wined3d_stream_info_element
*element
;
131 unsigned int element_idx
;
134 element_idx
= instanced_elements
[j
];
135 element
= &si
->elements
[element_idx
];
136 ptr
= element
->data
.addr
+ element
->stride
* i
;
137 if (element
->data
.buffer_object
)
138 ptr
+= (ULONG_PTR
)wined3d_buffer_load_sysmem(state
->streams
[element
->stream_idx
].buffer
, context
);
139 ops
->generic
[element
->format
->emit_idx
](element_idx
, ptr
);
142 if (gl_info
->supported
[ARB_DRAW_ELEMENTS_BASE_VERTEX
])
144 GL_EXTCALL(glDrawElementsBaseVertex(state
->gl_primitive_type
, count
, idx_type
,
145 (const char *)idx_data
+ (idx_size
* start_idx
), base_vertex_idx
));
146 checkGLcall("glDrawElementsBaseVertex");
150 gl_info
->gl_ops
.gl
.p_glDrawElements(state
->gl_primitive_type
, count
, idx_type
,
151 (const char *)idx_data
+ (idx_size
* start_idx
));
152 checkGLcall("glDrawElements");
157 static unsigned int get_stride_idx(const void *idx_data
, unsigned int idx_size
,
158 unsigned int base_vertex_idx
, unsigned int start_idx
, unsigned int vertex_idx
)
161 return start_idx
+ vertex_idx
;
163 return ((const WORD
*)idx_data
)[start_idx
+ vertex_idx
] + base_vertex_idx
;
164 return ((const DWORD
*)idx_data
)[start_idx
+ vertex_idx
] + base_vertex_idx
;
167 /* Context activation is done by the caller. */
168 static void draw_primitive_immediate_mode(struct wined3d_context
*context
, const struct wined3d_state
*state
,
169 const struct wined3d_stream_info
*si
, const void *idx_data
, unsigned int idx_size
,
170 int base_vertex_idx
, unsigned int start_idx
, unsigned int vertex_count
, unsigned int instance_count
)
172 const BYTE
*position
= NULL
, *normal
= NULL
, *diffuse
= NULL
, *specular
= NULL
;
173 const struct wined3d_d3d_info
*d3d_info
= context
->d3d_info
;
174 unsigned int coord_idx
, stride_idx
, texture_idx
, vertex_idx
;
175 const struct wined3d_gl_info
*gl_info
= context
->gl_info
;
176 const struct wined3d_stream_info_element
*element
;
177 const BYTE
*tex_coords
[WINED3DDP_MAXTEXCOORD
];
178 unsigned int texture_unit
, texture_stages
;
179 const struct wined3d_ffp_attrib_ops
*ops
;
180 unsigned int untracked_material_count
;
181 unsigned int tex_mask
= 0;
182 BOOL specular_fog
= FALSE
;
183 BOOL ps
= use_ps(state
);
186 static unsigned int once
;
189 FIXME_(d3d_perf
)("Drawing using immediate mode.\n");
191 WARN_(d3d_perf
)("Drawing using immediate mode.\n");
193 if (!idx_size
&& idx_data
)
194 ERR("Non-NULL idx_data with 0 idx_size, this should never happen.\n");
197 FIXME("Instancing not implemented.\n");
199 /* Immediate mode drawing can't make use of indices in a VBO - get the
200 * data from the index buffer. */
202 idx_data
= wined3d_buffer_load_sysmem(state
->index_buffer
, context
) + state
->index_offset
;
204 ops
= &d3d_info
->ffp_attrib_ops
;
206 gl_info
->gl_ops
.gl
.p_glBegin(state
->gl_primitive_type
);
208 if (use_vs(state
) || d3d_info
->ffp_generic_attributes
)
210 for (vertex_idx
= 0; vertex_idx
< vertex_count
; ++vertex_idx
)
212 unsigned int use_map
= si
->use_map
;
213 unsigned int element_idx
;
215 stride_idx
= get_stride_idx(idx_data
, idx_size
, base_vertex_idx
, start_idx
, vertex_idx
);
216 for (element_idx
= MAX_ATTRIBS
- 1; use_map
; use_map
&= ~(1u << element_idx
), --element_idx
)
218 if (!(use_map
& 1u << element_idx
))
221 ptr
= si
->elements
[element_idx
].data
.addr
+ si
->elements
[element_idx
].stride
* stride_idx
;
222 ops
->generic
[si
->elements
[element_idx
].format
->emit_idx
](element_idx
, ptr
);
226 gl_info
->gl_ops
.gl
.p_glEnd();
230 if (si
->use_map
& (1u << WINED3D_FFP_POSITION
))
231 position
= si
->elements
[WINED3D_FFP_POSITION
].data
.addr
;
233 if (si
->use_map
& (1u << WINED3D_FFP_NORMAL
))
234 normal
= si
->elements
[WINED3D_FFP_NORMAL
].data
.addr
;
236 gl_info
->gl_ops
.gl
.p_glNormal3f(0.0f
, 0.0f
, 0.0f
);
238 untracked_material_count
= context
->num_untracked_materials
;
239 if (si
->use_map
& (1u << WINED3D_FFP_DIFFUSE
))
241 element
= &si
->elements
[WINED3D_FFP_DIFFUSE
];
242 diffuse
= element
->data
.addr
;
244 if (untracked_material_count
&& element
->format
->id
!= WINED3DFMT_B8G8R8A8_UNORM
)
245 FIXME("Implement diffuse color tracking from %s.\n", debug_d3dformat(element
->format
->id
));
249 gl_info
->gl_ops
.gl
.p_glColor4f(1.0f
, 1.0f
, 1.0f
, 1.0f
);
252 if (si
->use_map
& (1u << WINED3D_FFP_SPECULAR
))
254 element
= &si
->elements
[WINED3D_FFP_SPECULAR
];
255 specular
= element
->data
.addr
;
257 /* Special case where the fog density is stored in the specular alpha channel. */
258 if (state
->render_states
[WINED3D_RS_FOGENABLE
]
259 && (state
->render_states
[WINED3D_RS_FOGVERTEXMODE
] == WINED3D_FOG_NONE
260 || si
->elements
[WINED3D_FFP_POSITION
].format
->id
== WINED3DFMT_R32G32B32A32_FLOAT
)
261 && state
->render_states
[WINED3D_RS_FOGTABLEMODE
] == WINED3D_FOG_NONE
)
263 if (gl_info
->supported
[EXT_FOG_COORD
])
265 if (element
->format
->id
== WINED3DFMT_B8G8R8A8_UNORM
)
268 FIXME("Implement fog coordinates from %s.\n", debug_d3dformat(element
->format
->id
));
272 static unsigned int once
;
275 FIXME("Implement fog for transformed vertices in software.\n");
279 else if (gl_info
->supported
[EXT_SECONDARY_COLOR
])
281 GL_EXTCALL(glSecondaryColor3fEXT
)(0.0f
, 0.0f
, 0.0f
);
284 texture_stages
= d3d_info
->limits
.ffp_blend_stages
;
285 for (texture_idx
= 0; texture_idx
< texture_stages
; ++texture_idx
)
287 if (!gl_info
->supported
[ARB_MULTITEXTURE
] && texture_idx
> 0)
289 FIXME("Program using multiple concurrent textures which this OpenGL implementation doesn't support.\n");
293 if (!ps
&& !state
->textures
[texture_idx
])
296 texture_unit
= context
->tex_unit_map
[texture_idx
];
297 if (texture_unit
== WINED3D_UNMAPPED_STAGE
)
300 coord_idx
= state
->texture_states
[texture_idx
][WINED3D_TSS_TEXCOORD_INDEX
];
303 TRACE("Skipping generated coordinates (%#x) for texture %u.\n", coord_idx
, texture_idx
);
307 if (si
->use_map
& (1u << (WINED3D_FFP_TEXCOORD0
+ coord_idx
)))
309 tex_coords
[coord_idx
] = si
->elements
[WINED3D_FFP_TEXCOORD0
+ coord_idx
].data
.addr
;
310 tex_mask
|= (1u << texture_idx
);
314 TRACE("Setting default coordinates for texture %u.\n", texture_idx
);
315 if (gl_info
->supported
[ARB_MULTITEXTURE
])
316 GL_EXTCALL(glMultiTexCoord4fARB(GL_TEXTURE0_ARB
+ texture_unit
, 0.0f
, 0.0f
, 0.0f
, 1.0f
));
318 gl_info
->gl_ops
.gl
.p_glTexCoord4f(0.0f
, 0.0f
, 0.0f
, 1.0f
);
322 /* Blending data and point sizes are not supported by this function. They
323 * are not supported by the fixed function pipeline at all. A FIXME for
324 * them is printed after decoding the vertex declaration. */
325 for (vertex_idx
= 0; vertex_idx
< vertex_count
; ++vertex_idx
)
327 unsigned int tmp_tex_mask
;
329 stride_idx
= get_stride_idx(idx_data
, idx_size
, base_vertex_idx
, start_idx
, vertex_idx
);
333 ptr
= normal
+ stride_idx
* si
->elements
[WINED3D_FFP_NORMAL
].stride
;
334 ops
->normal
[si
->elements
[WINED3D_FFP_NORMAL
].format
->emit_idx
](ptr
);
339 ptr
= diffuse
+ stride_idx
* si
->elements
[WINED3D_FFP_DIFFUSE
].stride
;
340 ops
->diffuse
[si
->elements
[WINED3D_FFP_DIFFUSE
].format
->emit_idx
](ptr
);
342 if (untracked_material_count
)
344 struct wined3d_color color
;
347 wined3d_color_from_d3dcolor(&color
, *(const DWORD
*)ptr
);
348 for (i
= 0; i
< untracked_material_count
; ++i
)
350 gl_info
->gl_ops
.gl
.p_glMaterialfv(GL_FRONT_AND_BACK
, context
->untracked_materials
[i
], &color
.r
);
357 ptr
= specular
+ stride_idx
* si
->elements
[WINED3D_FFP_SPECULAR
].stride
;
358 ops
->specular
[si
->elements
[WINED3D_FFP_SPECULAR
].format
->emit_idx
](ptr
);
361 GL_EXTCALL(glFogCoordfEXT((float)(*(const DWORD
*)ptr
>> 24)));
364 tmp_tex_mask
= tex_mask
;
365 for (texture_idx
= 0; tmp_tex_mask
; tmp_tex_mask
>>= 1, ++texture_idx
)
367 if (!(tmp_tex_mask
& 1))
370 coord_idx
= state
->texture_states
[texture_idx
][WINED3D_TSS_TEXCOORD_INDEX
];
371 ptr
= tex_coords
[coord_idx
] + (stride_idx
* si
->elements
[WINED3D_FFP_TEXCOORD0
+ coord_idx
].stride
);
372 ops
->texcoord
[si
->elements
[WINED3D_FFP_TEXCOORD0
+ coord_idx
].format
->emit_idx
](
373 GL_TEXTURE0_ARB
+ context
->tex_unit_map
[texture_idx
], ptr
);
378 ptr
= position
+ stride_idx
* si
->elements
[WINED3D_FFP_POSITION
].stride
;
379 ops
->position
[si
->elements
[WINED3D_FFP_POSITION
].format
->emit_idx
](ptr
);
383 gl_info
->gl_ops
.gl
.p_glEnd();
384 checkGLcall("glEnd and previous calls");
387 static void remove_vbos(struct wined3d_context
*context
,
388 const struct wined3d_state
*state
, struct wined3d_stream_info
*s
)
392 for (i
= 0; i
< ARRAY_SIZE(s
->elements
); ++i
)
394 struct wined3d_stream_info_element
*e
;
396 if (!(s
->use_map
& (1u << i
)))
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
+= (ULONG_PTR
)wined3d_buffer_load_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 int base_vertex_idx
, unsigned int start_idx
, unsigned int index_count
,
412 unsigned int start_instance
, 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_rendertarget_view
*dsv
, *rtv
;
418 struct wined3d_stream_info si_emulated
;
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 if (!(rtv
= fb
->render_targets
[0]))
429 rtv
= fb
->depth_stencil
;
430 context
= context_acquire(device
, wined3d_rendertarget_view_get_surface(rtv
));
433 context_release(context
);
434 WARN("Invalid context, skipping draw.\n");
437 gl_info
= context
->gl_info
;
439 for (i
= 0; i
< gl_info
->limits
.buffers
; ++i
)
441 struct wined3d_texture
*rt
;
443 if (!(rtv
= fb
->render_targets
[i
]) || rtv
->format
->id
== WINED3DFMT_NULL
)
446 rt
= wined3d_texture_from_resource(rtv
->resource
);
447 if (state
->render_states
[WINED3D_RS_COLORWRITEENABLE
])
449 wined3d_texture_load_location(rt
, rtv
->sub_resource_idx
, context
, rtv
->resource
->draw_binding
);
450 wined3d_texture_invalidate_location(rt
, rtv
->sub_resource_idx
, ~rtv
->resource
->draw_binding
);
454 wined3d_texture_prepare_location(rt
, rtv
->sub_resource_idx
, 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
])
469 wined3d_texture_load_location(ds
->container
, dsv
->sub_resource_idx
, context
, location
);
471 wined3d_texture_prepare_location(ds
->container
, dsv
->sub_resource_idx
, context
, location
);
474 if (!context_apply_draw_state(context
, device
, state
))
476 context_release(context
);
477 WARN("Unable to apply draw state, skipping draw.\n");
481 if (dsv
&& state
->render_states
[WINED3D_RS_ZWRITEENABLE
])
483 struct wined3d_surface
*ds
= wined3d_rendertarget_view_get_surface(dsv
);
484 DWORD location
= context
->render_offscreen
? ds
->container
->resource
.draw_binding
: WINED3D_LOCATION_DRAWABLE
;
486 wined3d_texture_validate_location(ds
->container
, dsv
->sub_resource_idx
, location
);
487 wined3d_texture_invalidate_location(ds
->container
, dsv
->sub_resource_idx
, ~location
);
490 if ((!gl_info
->supported
[WINED3D_GL_VERSION_2_0
]
491 || !gl_info
->supported
[NV_POINT_SPRITE
])
492 && context
->render_offscreen
493 && state
->render_states
[WINED3D_RS_POINTSPRITEENABLE
]
494 && state
->gl_primitive_type
== GL_POINTS
)
496 FIXME("Point sprite coordinate origin switching not supported.\n");
499 stream_info
= &context
->stream_info
;
500 if (context
->instance_count
)
501 instance_count
= context
->instance_count
;
505 struct wined3d_buffer
*index_buffer
= state
->index_buffer
;
506 if (!index_buffer
->buffer_object
|| !stream_info
->all_vbo
)
508 idx_data
= index_buffer
->resource
.heap_memory
;
512 ib_query
= index_buffer
->query
;
515 idx_data
= (const BYTE
*)idx_data
+ state
->index_offset
;
517 if (state
->index_format
== WINED3DFMT_R16_UINT
)
525 if (!stream_info
->position_transformed
&& context
->num_untracked_materials
526 && state
->render_states
[WINED3D_RS_LIGHTING
])
531 FIXME("Using software emulation because not all material properties could be tracked.\n");
533 WARN_(d3d_perf
)("Using software emulation because not all material properties could be tracked.\n");
536 else if (context
->fog_coord
&& state
->render_states
[WINED3D_RS_FOGENABLE
])
540 /* Either write a pipeline replacement shader or convert the
541 * specular alpha from unsigned byte to a float in the vertex
544 FIXME("Using software emulation because manual fog coordinates are provided.\n");
546 WARN_(d3d_perf
)("Using software emulation because manual fog coordinates are provided.\n");
552 si_emulated
= context
->stream_info
;
553 remove_vbos(context
, state
, &si_emulated
);
554 stream_info
= &si_emulated
;
558 if (context
->use_immediate_mode_draw
|| emulation
)
559 draw_primitive_immediate_mode(context
, state
, stream_info
, idx_data
,
560 idx_size
, base_vertex_idx
, start_idx
, index_count
, instance_count
);
562 draw_primitive_arrays(context
, state
, idx_data
, idx_size
, base_vertex_idx
,
563 start_idx
, index_count
, start_instance
, instance_count
);
565 if (context
->uses_uavs
)
567 GL_EXTCALL(glMemoryBarrier(GL_ALL_BARRIER_BITS
));
568 checkGLcall("glMemoryBarrier");
572 wined3d_event_query_issue(ib_query
, device
);
573 for (i
= 0; i
< context
->num_buffer_queries
; ++i
)
574 wined3d_event_query_issue(context
->buffer_queries
[i
], device
);
576 if (wined3d_settings
.strict_draw_ordering
)
577 gl_info
->gl_ops
.gl
.p_glFlush(); /* Flush to ensure ordering across contexts. */
579 context_release(context
);
581 TRACE("Done all gl drawing.\n");