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
);
122 intel_prepare_render(intel
);
127 intel_batchbuffer_require_space(intel
->batch
, 8 * 4);
128 DBG("%s src:buf(%p)/%d+%d %d,%d dst:buf(%p)/%d+%d %d,%d sz:%dx%d\n",
130 src_buffer
, src_pitch
, src_offset
, src_x
, src_y
,
131 dst_buffer
, dst_pitch
, dst_offset
, dst_x
, dst_y
, w
, h
);
136 BR13
= translate_raster_op(logic_op
) << 16;
140 CMD
= XY_SRC_COPY_BLT_CMD
;
144 CMD
= XY_SRC_COPY_BLT_CMD
;
148 CMD
= XY_SRC_COPY_BLT_CMD
| XY_BLT_WRITE_ALPHA
| XY_BLT_WRITE_RGB
;
155 if (dst_tiling
!= I915_TILING_NONE
) {
159 if (src_tiling
!= I915_TILING_NONE
) {
165 if (dst_y2
<= dst_y
|| dst_x2
<= dst_x
) {
169 assert(dst_x
< dst_x2
);
170 assert(dst_y
< dst_y2
);
174 OUT_BATCH(BR13
| (uint16_t)dst_pitch
);
175 OUT_BATCH((dst_y
<< 16) | dst_x
);
176 OUT_BATCH((dst_y2
<< 16) | dst_x2
);
177 OUT_RELOC_FENCED(dst_buffer
,
178 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
180 OUT_BATCH((src_y
<< 16) | src_x
);
181 OUT_BATCH((uint16_t)src_pitch
);
182 OUT_RELOC_FENCED(src_buffer
,
183 I915_GEM_DOMAIN_RENDER
, 0,
187 intel_batchbuffer_emit_mi_flush(intel
->batch
);
194 * Use blitting to clear the renderbuffers named by 'flags'.
195 * Note: we can't use the ctx->DrawBuffer->_ColorDrawBufferIndexes field
196 * since that might include software renderbuffers or renderbuffers
197 * which we're clearing with triangles.
198 * \param mask bitmask of BUFFER_BIT_* values indicating buffers to clear
201 intelClearWithBlit(GLcontext
*ctx
, GLbitfield mask
)
203 struct intel_context
*intel
= intel_context(ctx
);
204 struct gl_framebuffer
*fb
= ctx
->DrawBuffer
;
207 GLint cx
, cy
, cw
, ch
;
210 /* Blits are in a different ringbuffer so we don't use them. */
211 assert(intel
->gen
< 6);
214 * Compute values for clearing the buffers.
217 if (mask
& BUFFER_BIT_DEPTH
) {
218 clear_depth
= (GLuint
) (fb
->_DepthMax
* ctx
->Depth
.Clear
);
220 if (mask
& BUFFER_BIT_STENCIL
) {
221 clear_depth
|= (ctx
->Stencil
.Clear
& 0xff) << 24;
226 cy
= ctx
->DrawBuffer
->Height
- fb
->_Ymax
;
229 cw
= fb
->_Xmax
- fb
->_Xmin
;
230 ch
= fb
->_Ymax
- fb
->_Ymin
;
232 if (cw
== 0 || ch
== 0)
236 all
= (cw
== fb
->Width
&& ch
== fb
->Height
);
238 intel_prepare_render(intel
);
240 /* Loop over all renderbuffers */
241 for (buf
= 0; buf
< BUFFER_COUNT
&& mask
; buf
++) {
242 const GLbitfield bufBit
= 1 << buf
;
243 struct intel_renderbuffer
*irb
;
244 drm_intel_bo
*write_buffer
;
249 drm_intel_bo
*aper_array
[2];
251 if (!(mask
& bufBit
))
254 /* OK, clear this renderbuffer */
255 irb
= intel_get_renderbuffer(fb
, buf
);
256 write_buffer
= intel_region_buffer(intel
, irb
->region
,
257 all
? INTEL_WRITE_FULL
:
259 x1
= cx
+ irb
->region
->draw_x
;
260 y1
= cy
+ irb
->region
->draw_y
;
261 x2
= cx
+ cw
+ irb
->region
->draw_x
;
262 y2
= cy
+ ch
+ irb
->region
->draw_y
;
264 pitch
= irb
->region
->pitch
;
265 cpp
= irb
->region
->cpp
;
267 DBG("%s dst:buf(%p)/%d %d,%d sz:%dx%d\n",
269 irb
->region
->buffer
, (pitch
* cpp
),
270 x1
, y1
, x2
- x1
, y2
- y1
);
273 CMD
= XY_COLOR_BLT_CMD
;
275 /* Setup the blit command */
278 if (buf
== BUFFER_DEPTH
|| buf
== BUFFER_STENCIL
) {
279 if (mask
& BUFFER_BIT_DEPTH
)
280 CMD
|= XY_BLT_WRITE_RGB
;
281 if (mask
& BUFFER_BIT_STENCIL
)
282 CMD
|= XY_BLT_WRITE_ALPHA
;
285 CMD
|= XY_BLT_WRITE_ALPHA
| XY_BLT_WRITE_RGB
;
292 assert(irb
->region
->tiling
!= I915_TILING_Y
);
295 if (irb
->region
->tiling
!= I915_TILING_NONE
) {
300 BR13
|= (pitch
* cpp
);
302 if (buf
== BUFFER_DEPTH
|| buf
== BUFFER_STENCIL
) {
303 clear_val
= clear_depth
;
306 GLclampf
*color
= ctx
->Color
.ClearColor
;
308 CLAMPED_FLOAT_TO_UBYTE(clear
[0], color
[0]);
309 CLAMPED_FLOAT_TO_UBYTE(clear
[1], color
[1]);
310 CLAMPED_FLOAT_TO_UBYTE(clear
[2], color
[2]);
311 CLAMPED_FLOAT_TO_UBYTE(clear
[3], color
[3]);
313 switch (irb
->Base
.Format
) {
314 case MESA_FORMAT_ARGB8888
:
315 case MESA_FORMAT_XRGB8888
:
316 clear_val
= PACK_COLOR_8888(clear
[3], clear
[0],
319 case MESA_FORMAT_RGB565
:
320 clear_val
= PACK_COLOR_565(clear
[0], clear
[1], clear
[2]);
322 case MESA_FORMAT_ARGB4444
:
323 clear_val
= PACK_COLOR_4444(clear
[3], clear
[0],
326 case MESA_FORMAT_ARGB1555
:
327 clear_val
= PACK_COLOR_1555(clear
[3], clear
[0],
331 _mesa_problem(ctx
, "Unexpected renderbuffer format: %d\n",
340 /* do space check before going any further */
341 aper_array
[0] = intel
->batch
->buf
;
342 aper_array
[1] = write_buffer
;
344 if (drm_intel_bufmgr_check_aperture_space(aper_array
,
345 ARRAY_SIZE(aper_array
)) != 0) {
346 intel_batchbuffer_flush(intel
->batch
);
352 OUT_BATCH((y1
<< 16) | x1
);
353 OUT_BATCH((y2
<< 16) | x2
);
354 OUT_RELOC_FENCED(write_buffer
,
355 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
357 OUT_BATCH(clear_val
);
360 if (buf
== BUFFER_DEPTH
|| buf
== BUFFER_STENCIL
)
361 mask
&= ~(BUFFER_BIT_DEPTH
| BUFFER_BIT_STENCIL
);
363 mask
&= ~bufBit
; /* turn off bit, for faster loop exit */
368 intelEmitImmediateColorExpandBlit(struct intel_context
*intel
,
370 GLubyte
*src_bits
, GLuint src_size
,
376 GLshort x
, GLshort y
,
377 GLshort w
, GLshort h
,
380 int dwords
= ALIGN(src_size
, 8) / 4;
381 uint32_t opcode
, br13
, blit_cmd
;
383 /* Blits are in a different ringbuffer so we don't use them. */
387 if (dst_tiling
!= I915_TILING_NONE
) {
388 if (dst_offset
& 4095)
390 if (dst_tiling
== I915_TILING_Y
)
394 assert( logic_op
- GL_CLEAR
>= 0 );
395 assert( logic_op
- GL_CLEAR
< 0x10 );
396 assert(dst_pitch
> 0);
403 DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d, %d bytes %d dwords\n",
405 dst_buffer
, dst_pitch
, dst_offset
, x
, y
, w
, h
, src_size
, dwords
);
407 intel_batchbuffer_require_space( intel
->batch
,
412 opcode
= XY_SETUP_BLT_CMD
;
414 opcode
|= XY_BLT_WRITE_ALPHA
| XY_BLT_WRITE_RGB
;
416 if (dst_tiling
!= I915_TILING_NONE
) {
417 opcode
|= XY_DST_TILED
;
422 br13
= dst_pitch
| (translate_raster_op(logic_op
) << 16) | (1 << 29);
428 blit_cmd
= XY_TEXT_IMMEDIATE_BLIT_CMD
| XY_TEXT_BYTE_PACKED
; /* packing? */
429 if (dst_tiling
!= I915_TILING_NONE
)
430 blit_cmd
|= XY_DST_TILED
;
435 OUT_BATCH((0 << 16) | 0); /* clip x1, y1 */
436 OUT_BATCH((100 << 16) | 100); /* clip x2, y2 */
437 OUT_RELOC_FENCED(dst_buffer
,
438 I915_GEM_DOMAIN_RENDER
, I915_GEM_DOMAIN_RENDER
,
440 OUT_BATCH(0); /* bg */
441 OUT_BATCH(fg_color
); /* fg */
442 OUT_BATCH(0); /* pattern base addr */
444 OUT_BATCH(blit_cmd
| ((3 - 2) + dwords
));
445 OUT_BATCH((y
<< 16) | x
);
446 OUT_BATCH(((y
+ h
) << 16) | (x
+ w
));
449 intel_batchbuffer_data( intel
->batch
,
453 intel_batchbuffer_emit_mi_flush(intel
->batch
);
458 /* We don't have a memmove-type blit like some other hardware, so we'll do a
459 * rectangular blit covering a large space, then emit 1-scanline blit at the
460 * end to cover the last if we need.
463 intel_emit_linear_blit(struct intel_context
*intel
,
464 drm_intel_bo
*dst_bo
,
465 unsigned int dst_offset
,
466 drm_intel_bo
*src_bo
,
467 unsigned int src_offset
,
470 GLuint pitch
, height
;
473 /* Blits are in a different ringbuffer so we don't use them. */
474 assert(intel
->gen
< 6);
476 /* The pitch is a signed value. */
477 pitch
= MIN2(size
, (1 << 15) - 1);
478 height
= size
/ pitch
;
479 ok
= intelEmitCopyBlit(intel
, 1,
480 pitch
, src_bo
, src_offset
, I915_TILING_NONE
,
481 pitch
, dst_bo
, dst_offset
, I915_TILING_NONE
,
484 pitch
, height
, /* w, h */
488 src_offset
+= pitch
* height
;
489 dst_offset
+= pitch
* height
;
490 size
-= pitch
* height
;
491 assert (size
< (1 << 15));
493 ok
= intelEmitCopyBlit(intel
, 1,
494 size
, src_bo
, src_offset
, I915_TILING_NONE
,
495 size
, dst_bo
, dst_offset
, I915_TILING_NONE
,