1 /**************************************************************************
3 * Copyright 2003 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 #include "main/mtypes.h"
30 #include "main/context.h"
31 #include "main/enums.h"
32 #include "main/colormac.h"
34 #include "intel_blit.h"
35 #include "intel_buffers.h"
36 #include "intel_context.h"
37 #include "intel_fbo.h"
38 #include "intel_reg.h"
39 #include "intel_regions.h"
40 #include "intel_batchbuffer.h"
42 #define FILE_DEBUG_FLAG DEBUG_BLIT
44 static GLuint
translate_raster_op(GLenum logicop
)
47 case GL_CLEAR
: return 0x00;
48 case GL_AND
: return 0x88;
49 case GL_AND_REVERSE
: return 0x44;
50 case GL_COPY
: return 0xCC;
51 case GL_AND_INVERTED
: return 0x22;
52 case GL_NOOP
: return 0xAA;
53 case GL_XOR
: return 0x66;
54 case GL_OR
: return 0xEE;
55 case GL_NOR
: return 0x11;
56 case GL_EQUIV
: return 0x99;
57 case GL_INVERT
: return 0x55;
58 case GL_OR_REVERSE
: return 0xDD;
59 case GL_COPY_INVERTED
: return 0x33;
60 case GL_OR_INVERTED
: return 0xBB;
61 case GL_NAND
: return 0x77;
62 case GL_SET
: return 0xFF;
71 intelEmitCopyBlit(struct intel_context
*intel
,
81 GLshort src_x
, GLshort src_y
,
82 GLshort dst_x
, GLshort dst_y
,
86 GLuint CMD
, BR13
, pass
= 0;
87 int dst_y2
= dst_y
+ h
;
88 int dst_x2
= dst_x
+ w
;
89 dri_bo
*aper_array
[3];
92 /* Blits are in a different ringbuffer so we don't use them. */
96 if (dst_tiling
!= I915_TILING_NONE
) {
97 if (dst_offset
& 4095)
99 if (dst_tiling
== I915_TILING_Y
)
102 if (src_tiling
!= I915_TILING_NONE
) {
103 if (src_offset
& 4095)
105 if (src_tiling
== I915_TILING_Y
)
109 /* do space check before going any further */
111 aper_array
[0] = intel
->batch
->buf
;
112 aper_array
[1] = dst_buffer
;
113 aper_array
[2] = src_buffer
;
115 if (dri_bufmgr_check_aperture_space(aper_array
, 3) != 0) {
116 intel_batchbuffer_flush(intel
->batch
);
125 intel_batchbuffer_require_space(intel
->batch
, 8 * 4);
126 DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
128 src_buffer
, src_pitch
, src_offset
, src_x
, src_y
,
129 dst_buffer
, dst_pitch
, dst_offset
, dst_x
, dst_y
, w
, h
);
134 BR13
= translate_raster_op(logic_op
) << 16;
138 CMD
= XY_SRC_COPY_BLT_CMD
;
142 CMD
= XY_SRC_COPY_BLT_CMD
;
146 CMD
= XY_SRC_COPY_BLT_CMD
| XY_BLT_WRITE_ALPHA
| XY_BLT_WRITE_RGB
;
153 if (dst_tiling
!= I915_TILING_NONE
) {
157 if (src_tiling
!= I915_TILING_NONE
) {
163 if (dst_y2
<= dst_y
|| dst_x2
<= dst_x
) {
167 assert(dst_x
< dst_x2
);
168 assert(dst_y
< dst_y2
);
172 OUT_BATCH(BR13
| (uint16_t)dst_pitch
);
173 OUT_BATCH((dst_y
<< 16) | dst_x
);
174 OUT_BATCH((dst_y2
<< 16) | dst_x2
);
175 OUT_RELOC_FENCED(dst_buffer
,
176 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
178 OUT_BATCH((src_y
<< 16) | src_x
);
179 OUT_BATCH((uint16_t)src_pitch
);
180 OUT_RELOC_FENCED(src_buffer
,
181 I915_GEM_DOMAIN_RENDER
, 0,
185 intel_batchbuffer_emit_mi_flush(intel
->batch
);
192 * Use blitting to clear the renderbuffers named by 'flags'.
193 * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferIndexes field
194 * since that might include software renderbuffers or renderbuffers
195 * which we're clearing with triangles.
196 * \param mask bitmask of BUFFER_BIT_* values indicating buffers to clear
199 intelClearWithBlit(GLcontext
*ctx
, GLbitfield mask
)
201 struct intel_context
*intel
= intel_context(ctx
);
202 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
205 GLint cx
, cy
, cw
, ch
;
208 /* Blits are in a different ringbuffer so we don't use them. */
209 assert(intel
->gen
< 6);
212 * Compute values for clearing the buffers.
215 if (mask
& BUFFER_BIT_DEPTH
) {
216 clear_depth
= (GLuint
) (fb
->_DepthMax
* ctx
->Depth
.Clear
);
218 if (mask
& BUFFER_BIT_STENCIL
) {
219 clear_depth
|= (ctx
->Stencil
.Clear
& 0xff) << 24;
224 cy
= ctx
->DrawBuffer
->Height
- fb
->_Ymax
;
227 cw
= fb
->_Xmax
- fb
->_Xmin
;
228 ch
= fb
->_Ymax
- fb
->_Ymin
;
230 if (cw
== 0 || ch
== 0)
234 all
= (cw
== fb
->Width
&& ch
== fb
->Height
);
236 /* Loop over all renderbuffers */
237 for (buf
= 0; buf
< BUFFER_COUNT
&& mask
; buf
++) {
238 const GLbitfield bufBit
= 1 << buf
;
239 struct intel_renderbuffer
*irb
;
240 drm_intel_bo
*write_buffer
;
245 drm_intel_bo
*aper_array
[2];
247 if (!(mask
& bufBit
))
250 /* OK, clear this renderbuffer */
251 irb
= intel_get_renderbuffer(fb
, buf
);
252 write_buffer
= intel_region_buffer(intel
, irb
->region
,
253 all
? INTEL_WRITE_FULL
:
255 x1
= cx
+ irb
->region
->draw_x
;
256 y1
= cy
+ irb
->region
->draw_y
;
257 x2
= cx
+ cw
+ irb
->region
->draw_x
;
258 y2
= cy
+ ch
+ irb
->region
->draw_y
;
260 pitch
= irb
->region
->pitch
;
261 cpp
= irb
->region
->cpp
;
263 DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
265 irb
->region
->buffer
, (pitch
* cpp
),
266 x1
, y1
, x2
- x1
, y2
- y1
);
269 CMD
= XY_COLOR_BLT_CMD
;
271 /* Setup the blit command */
274 if (buf
== BUFFER_DEPTH
|| buf
== BUFFER_STENCIL
) {
275 if (mask
& BUFFER_BIT_DEPTH
)
276 CMD
|= XY_BLT_WRITE_RGB
;
277 if (mask
& BUFFER_BIT_STENCIL
)
278 CMD
|= XY_BLT_WRITE_ALPHA
;
281 CMD
|= XY_BLT_WRITE_ALPHA
| XY_BLT_WRITE_RGB
;
288 assert(irb
->region
->tiling
!= I915_TILING_Y
);
291 if (irb
->region
->tiling
!= I915_TILING_NONE
) {
296 BR13
|= (pitch
* cpp
);
298 if (buf
== BUFFER_DEPTH
|| buf
== BUFFER_STENCIL
) {
299 clear_val
= clear_depth
;
302 GLclampf
*color
= ctx
->Color
.ClearColor
;
304 CLAMPED_FLOAT_TO_UBYTE(clear
[0], color
[0]);
305 CLAMPED_FLOAT_TO_UBYTE(clear
[1], color
[1]);
306 CLAMPED_FLOAT_TO_UBYTE(clear
[2], color
[2]);
307 CLAMPED_FLOAT_TO_UBYTE(clear
[3], color
[3]);
309 switch (irb
->Base
.Format
) {
310 case MESA_FORMAT_ARGB8888
:
311 case MESA_FORMAT_XRGB8888
:
312 clear_val
= PACK_COLOR_8888(clear
[3], clear
[0],
315 case MESA_FORMAT_RGB565
:
316 clear_val
= PACK_COLOR_565(clear
[0], clear
[1], clear
[2]);
318 case MESA_FORMAT_ARGB4444
:
319 clear_val
= PACK_COLOR_4444(clear
[3], clear
[0],
322 case MESA_FORMAT_ARGB1555
:
323 clear_val
= PACK_COLOR_1555(clear
[3], clear
[0],
327 _mesa_problem(ctx
, "Unexpected renderbuffer format: %d\n",
336 /* do space check before going any further */
337 aper_array
[0] = intel
->batch
->buf
;
338 aper_array
[1] = write_buffer
;
340 if (drm_intel_bufmgr_check_aperture_space(aper_array
,
341 ARRAY_SIZE(aper_array
)) != 0) {
342 intel_batchbuffer_flush(intel
->batch
);
348 OUT_BATCH((y1
<< 16) | x1
);
349 OUT_BATCH((y2
<< 16) | x2
);
350 OUT_RELOC_FENCED(write_buffer
,
351 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
353 OUT_BATCH(clear_val
);
356 if (buf
== BUFFER_DEPTH
|| buf
== BUFFER_STENCIL
)
357 mask
&= ~(BUFFER_BIT_DEPTH
| BUFFER_BIT_STENCIL
);
359 mask
&= ~bufBit
; /* turn off bit, for faster loop exit */
364 intelEmitImmediateColorExpandBlit(struct intel_context
*intel
,
366 GLubyte
*src_bits
, GLuint src_size
,
372 GLshort x
, GLshort y
,
373 GLshort w
, GLshort h
,
376 int dwords
= ALIGN(src_size
, 8) / 4;
377 uint32_t opcode
, br13
, blit_cmd
;
379 /* Blits are in a different ringbuffer so we don't use them. */
383 if (dst_tiling
!= I915_TILING_NONE
) {
384 if (dst_offset
& 4095)
386 if (dst_tiling
== I915_TILING_Y
)
390 assert( logic_op
- GL_CLEAR
>= 0 );
391 assert( logic_op
- GL_CLEAR
< 0x10 );
392 assert(dst_pitch
> 0);
399 DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d, %d bytes %d dwords\n",
401 dst_buffer
, dst_pitch
, dst_offset
, x
, y
, w
, h
, src_size
, dwords
);
403 intel_batchbuffer_require_space( intel
->batch
,
408 opcode
= XY_SETUP_BLT_CMD
;
410 opcode
|= XY_BLT_WRITE_ALPHA
| XY_BLT_WRITE_RGB
;
412 if (dst_tiling
!= I915_TILING_NONE
) {
413 opcode
|= XY_DST_TILED
;
418 br13
= dst_pitch
| (translate_raster_op(logic_op
) << 16) | (1 << 29);
424 blit_cmd
= XY_TEXT_IMMEDIATE_BLIT_CMD
| XY_TEXT_BYTE_PACKED
; /* packing? */
425 if (dst_tiling
!= I915_TILING_NONE
)
426 blit_cmd
|= XY_DST_TILED
;
431 OUT_BATCH((0 << 16) | 0); /* clip x1, y1 */
432 OUT_BATCH((100 << 16) | 100); /* clip x2, y2 */
433 OUT_RELOC_FENCED(dst_buffer
,
434 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
436 OUT_BATCH(0); /* bg */
437 OUT_BATCH(fg_color
); /* fg */
438 OUT_BATCH(0); /* pattern base addr */
440 OUT_BATCH(blit_cmd
| ((3 - 2) + dwords
));
441 OUT_BATCH((y
<< 16) | x
);
442 OUT_BATCH(((y
+ h
) << 16) | (x
+ w
));
445 intel_batchbuffer_data( intel
->batch
,
449 intel_batchbuffer_emit_mi_flush(intel
->batch
);
454 /* We don't have a memmove-type blit like some other hardware, so we'll do a
455 * rectangular blit covering a large space, then emit 1-scanline blit at the
456 * end to cover the last if we need.
459 intel_emit_linear_blit(struct intel_context
*intel
,
460 drm_intel_bo
*dst_bo
,
461 unsigned int dst_offset
,
462 drm_intel_bo
*src_bo
,
463 unsigned int src_offset
,
466 GLuint pitch
, height
;
469 /* Blits are in a different ringbuffer so we don't use them. */
470 assert(intel
->gen
< 6);
472 /* The pitch is a signed value. */
473 pitch
= MIN2(size
, (1 << 15) - 1);
474 height
= size
/ pitch
;
475 ok
= intelEmitCopyBlit(intel
, 1,
476 pitch
, src_bo
, src_offset
, I915_TILING_NONE
,
477 pitch
, dst_bo
, dst_offset
, I915_TILING_NONE
,
480 pitch
, height
, /* w, h */
484 src_offset
+= pitch
* height
;
485 dst_offset
+= pitch
* height
;
486 size
-= pitch
* height
;
487 assert (size
< (1 << 15));
489 ok
= intelEmitCopyBlit(intel
, 1,
490 size
, src_bo
, src_offset
, I915_TILING_NONE
,
491 size
, dst_bo
, dst_offset
, I915_TILING_NONE
,