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xf86-video-intel/src/i915_video.c

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/*
* Copyright © 2006 Intel Corporation
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice (including the next
* paragraph) shall be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*
* Authors:
* Eric Anholt <eric@anholt.net>
*
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86xv.h"
#include "fourcc.h"
#include "i830.h"
#include "i830_video.h"
#include "i915_reg.h"
#include "i915_3d.h"
void
I915DisplayVideoTextured(ScrnInfoPtr pScrn, I830PortPrivPtr pPriv, int id,
RegionPtr dstRegion,
short width, short height, int video_pitch, int video_pitch2,
int x1, int y1, int x2, int y2,
short src_w, short src_h, short drw_w, short drw_h,
PixmapPtr pPixmap)
{
I830Ptr pI830 = I830PTR(pScrn);
uint32_t format, ms3, s5;
BoxPtr pbox;
int nbox, dxo, dyo, pix_xoff, pix_yoff;
Bool planar;
#if 0
ErrorF("I915DisplayVideo: %dx%d (pitch %d)\n", width, height,
video_pitch);
#endif
switch (id) {
case FOURCC_UYVY:
case FOURCC_YUY2:
planar = FALSE;
break;
case FOURCC_YV12:
case FOURCC_I420:
planar = TRUE;
break;
default:
ErrorF("Unknown format 0x%x\n", id);
return;
}
IntelEmitInvarientState(pScrn);
*pI830->last_3d = LAST_3D_VIDEO;
BEGIN_BATCH(20);
/* flush map & render cache */
OUT_BATCH(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE);
OUT_BATCH(0x00000000);
/* draw rect -- just clipping */
OUT_BATCH(_3DSTATE_DRAW_RECT_CMD);
OUT_BATCH(DRAW_DITHER_OFS_X(pPixmap->drawable.x & 3) |
DRAW_DITHER_OFS_Y(pPixmap->drawable.y & 3));
OUT_BATCH(0x00000000); /* ymin, xmin */
OUT_BATCH((pPixmap->drawable.width - 1) |
(pPixmap->drawable.height - 1) << 16); /* ymax, xmax */
OUT_BATCH(0x00000000); /* yorigin, xorigin */
OUT_BATCH(MI_NOOP);
OUT_BATCH(_3DSTATE_LOAD_STATE_IMMEDIATE_1 | I1_LOAD_S(2) |
I1_LOAD_S(4) | I1_LOAD_S(5) | I1_LOAD_S(6) | 3);
OUT_BATCH(S2_TEXCOORD_FMT(0, TEXCOORDFMT_2D) |
S2_TEXCOORD_FMT(1, TEXCOORDFMT_NOT_PRESENT) |
S2_TEXCOORD_FMT(2, TEXCOORDFMT_NOT_PRESENT) |
S2_TEXCOORD_FMT(3, TEXCOORDFMT_NOT_PRESENT) |
S2_TEXCOORD_FMT(4, TEXCOORDFMT_NOT_PRESENT) |
S2_TEXCOORD_FMT(5, TEXCOORDFMT_NOT_PRESENT) |
S2_TEXCOORD_FMT(6, TEXCOORDFMT_NOT_PRESENT) |
S2_TEXCOORD_FMT(7, TEXCOORDFMT_NOT_PRESENT));
OUT_BATCH((1 << S4_POINT_WIDTH_SHIFT) | S4_LINE_WIDTH_ONE |
S4_CULLMODE_NONE | S4_VFMT_XY);
s5 = 0x0;
if (pI830->cpp == 2)
s5 |= S5_COLOR_DITHER_ENABLE;
OUT_BATCH(s5); /* S5 - enable bits */
OUT_BATCH((2 << S6_DEPTH_TEST_FUNC_SHIFT) |
(2 << S6_CBUF_SRC_BLEND_FACT_SHIFT) |
(1 << S6_CBUF_DST_BLEND_FACT_SHIFT) | S6_COLOR_WRITE_ENABLE |
(2 << S6_TRISTRIP_PV_SHIFT));
OUT_BATCH(_3DSTATE_CONST_BLEND_COLOR_CMD);
OUT_BATCH(0x00000000);
OUT_BATCH(_3DSTATE_DST_BUF_VARS_CMD);
if (pI830->cpp == 2)
format = COLR_BUF_RGB565;
else
format = COLR_BUF_ARGB8888 | DEPTH_FRMT_24_FIXED_8_OTHER;
OUT_BATCH(LOD_PRECLAMP_OGL |
DSTORG_HORT_BIAS(0x80) |
DSTORG_VERT_BIAS(0x80) |
format);
/* front buffer, pitch, offset */
OUT_BATCH(_3DSTATE_BUF_INFO_CMD);
OUT_BATCH(BUF_3D_ID_COLOR_BACK | BUF_3D_USE_FENCE |
BUF_3D_PITCH(intel_get_pixmap_pitch(pPixmap)));
OUT_RELOC_PIXMAP(pPixmap, I915_GEM_DOMAIN_RENDER, I915_GEM_DOMAIN_RENDER, 0);
ADVANCE_BATCH();
if (!planar) {
FS_LOCALS(10);
BEGIN_BATCH(16);
OUT_BATCH(_3DSTATE_PIXEL_SHADER_CONSTANTS | 4);
OUT_BATCH(0x0000001); /* constant 0 */
/* constant 0: brightness/contrast */
OUT_BATCH_F(pPriv->brightness / 128.0);
OUT_BATCH_F(pPriv->contrast / 255.0);
OUT_BATCH_F(0.0);
OUT_BATCH_F(0.0);
OUT_BATCH(_3DSTATE_SAMPLER_STATE | 3);
OUT_BATCH(0x00000001);
OUT_BATCH(SS2_COLORSPACE_CONVERSION |
(FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
(FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE << SS3_TCX_ADDR_MODE_SHIFT) |
(TEXCOORDMODE_CLAMP_EDGE << SS3_TCY_ADDR_MODE_SHIFT) |
(0 << SS3_TEXTUREMAP_INDEX_SHIFT) |
SS3_NORMALIZED_COORDS);
OUT_BATCH(0x00000000);
OUT_BATCH(_3DSTATE_MAP_STATE | 3);
OUT_BATCH(0x00000001); /* texture map #1 */
OUT_BATCH(pPriv->YBuf0offset);
ms3 = MAPSURF_422 | MS3_USE_FENCE_REGS;
switch (id) {
case FOURCC_YUY2:
ms3 |= MT_422_YCRCB_NORMAL;
break;
case FOURCC_UYVY:
ms3 |= MT_422_YCRCB_SWAPY;
break;
}
ms3 |= (height - 1) << MS3_HEIGHT_SHIFT;
ms3 |= (width - 1) << MS3_WIDTH_SHIFT;
OUT_BATCH(ms3);
OUT_BATCH(((video_pitch / 4) - 1) << MS4_PITCH_SHIFT);
ADVANCE_BATCH();
FS_BEGIN();
i915_fs_dcl(FS_S0);
i915_fs_dcl(FS_T0);
i915_fs_texld(FS_OC, FS_S0, FS_T0);
if (pPriv->brightness != 0) {
i915_fs_add(FS_OC,
i915_fs_operand_reg(FS_OC),
i915_fs_operand(FS_C0, X, X, X, ZERO));
}
FS_END();
} else {
FS_LOCALS(16);
BEGIN_BATCH(22 + 11 + 11);
/* For the planar formats, we set up three samplers -- one for each plane,
* in a Y8 format. Because I couldn't get the special PLANAR_TO_PACKED
* shader setup to work, I did the manual pixel shader:
*
* y' = y - .0625
* u' = u - .5
* v' = v - .5;
*
* r = 1.1643 * y' + 0.0 * u' + 1.5958 * v'
* g = 1.1643 * y' - 0.39173 * u' - 0.81290 * v'
* b = 1.1643 * y' + 2.017 * u' + 0.0 * v'
*
* register assignment:
* r0 = (y',u',v',0)
* r1 = (y,y,y,y)
* r2 = (u,u,u,u)
* r3 = (v,v,v,v)
* OC = (r,g,b,1)
*/
OUT_BATCH(_3DSTATE_PIXEL_SHADER_CONSTANTS | (22 - 2));
OUT_BATCH(0x000001f); /* constants 0-4 */
/* constant 0: normalization offsets */
OUT_BATCH_F(-0.0625);
OUT_BATCH_F(-0.5);
OUT_BATCH_F(-0.5);
OUT_BATCH_F(0.0);
/* constant 1: r coefficients*/
OUT_BATCH_F(1.1643);
OUT_BATCH_F(0.0);
OUT_BATCH_F(1.5958);
OUT_BATCH_F(0.0);
/* constant 2: g coefficients */
OUT_BATCH_F(1.1643);
OUT_BATCH_F(-0.39173);
OUT_BATCH_F(-0.81290);
OUT_BATCH_F(0.0);
/* constant 3: b coefficients */
OUT_BATCH_F(1.1643);
OUT_BATCH_F(2.017);
OUT_BATCH_F(0.0);
OUT_BATCH_F(0.0);
/* constant 4: brightness/contrast */
OUT_BATCH_F(pPriv->brightness / 128.0);
OUT_BATCH_F(pPriv->contrast / 255.0);
OUT_BATCH_F(0.0);
OUT_BATCH_F(0.0);
OUT_BATCH(_3DSTATE_SAMPLER_STATE | 9);
OUT_BATCH(0x00000007);
/* sampler 0 */
OUT_BATCH((FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
(FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE << SS3_TCX_ADDR_MODE_SHIFT) |
(TEXCOORDMODE_CLAMP_EDGE << SS3_TCY_ADDR_MODE_SHIFT) |
(0 << SS3_TEXTUREMAP_INDEX_SHIFT) |
SS3_NORMALIZED_COORDS);
OUT_BATCH(0x00000000);
/* sampler 1 */
OUT_BATCH((FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
(FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE << SS3_TCX_ADDR_MODE_SHIFT) |
(TEXCOORDMODE_CLAMP_EDGE << SS3_TCY_ADDR_MODE_SHIFT) |
(1 << SS3_TEXTUREMAP_INDEX_SHIFT) |
SS3_NORMALIZED_COORDS);
OUT_BATCH(0x00000000);
/* sampler 2 */
OUT_BATCH((FILTER_LINEAR << SS2_MAG_FILTER_SHIFT) |
(FILTER_LINEAR << SS2_MIN_FILTER_SHIFT));
OUT_BATCH((TEXCOORDMODE_CLAMP_EDGE << SS3_TCX_ADDR_MODE_SHIFT) |
(TEXCOORDMODE_CLAMP_EDGE << SS3_TCY_ADDR_MODE_SHIFT) |
(2 << SS3_TEXTUREMAP_INDEX_SHIFT) |
SS3_NORMALIZED_COORDS);
OUT_BATCH(0x00000000);
OUT_BATCH(_3DSTATE_MAP_STATE | 9);
OUT_BATCH(0x00000007);
OUT_BATCH(pPriv->YBuf0offset);
ms3 = MAPSURF_8BIT | MT_8BIT_I8 | MS3_USE_FENCE_REGS;
ms3 |= (height - 1) << MS3_HEIGHT_SHIFT;
ms3 |= (width - 1) << MS3_WIDTH_SHIFT;
OUT_BATCH(ms3);
/* check to see if Y has special pitch than normal double u/v pitch,
* e.g i915 XvMC hw requires at least 1K alignment, so Y pitch might
* be same as U/V's.*/
if (video_pitch2)
OUT_BATCH(((video_pitch2 / 4) - 1) << MS4_PITCH_SHIFT);
else
OUT_BATCH(((video_pitch * 2 / 4) - 1) << MS4_PITCH_SHIFT);
OUT_BATCH(pPriv->UBuf0offset);
ms3 = MAPSURF_8BIT | MT_8BIT_I8 | MS3_USE_FENCE_REGS;
ms3 |= (height / 2 - 1) << MS3_HEIGHT_SHIFT;
ms3 |= (width / 2 - 1) << MS3_WIDTH_SHIFT;
OUT_BATCH(ms3);
OUT_BATCH(((video_pitch / 4) - 1) << MS4_PITCH_SHIFT);
OUT_BATCH(pPriv->VBuf0offset);
ms3 = MAPSURF_8BIT | MT_8BIT_I8 | MS3_USE_FENCE_REGS;
ms3 |= (height / 2 - 1) << MS3_HEIGHT_SHIFT;
ms3 |= (width / 2 - 1) << MS3_WIDTH_SHIFT;
OUT_BATCH(ms3);
OUT_BATCH(((video_pitch / 4) - 1) << MS4_PITCH_SHIFT);
ADVANCE_BATCH();
FS_BEGIN();
/* Declare samplers */
i915_fs_dcl(FS_S0); /* Y */
i915_fs_dcl(FS_S1); /* U */
i915_fs_dcl(FS_S2); /* V */
i915_fs_dcl(FS_T0); /* normalized coords */
/* Load samplers to temporaries. */
i915_fs_texld(FS_R1, FS_S0, FS_T0);
i915_fs_texld(FS_R2, FS_S1, FS_T0);
i915_fs_texld(FS_R3, FS_S2, FS_T0);
/* Move the sampled YUV data in R[123] to the first 3 channels of R0. */
i915_fs_mov_masked(FS_R0, MASK_X, i915_fs_operand_reg(FS_R1));
i915_fs_mov_masked(FS_R0, MASK_Y, i915_fs_operand_reg(FS_R2));
i915_fs_mov_masked(FS_R0, MASK_Z, i915_fs_operand_reg(FS_R3));
/* Normalize the YUV data */
i915_fs_add(FS_R0, i915_fs_operand_reg(FS_R0),
i915_fs_operand_reg(FS_C0));
/* dot-product the YUV data in R0 by the vectors of coefficients for
* calculating R, G, and B, storing the results in the R, G, or B
* channels of the output color. The OC results are implicitly clamped
* at the end of the program.
*/
i915_fs_dp3_masked(FS_OC, MASK_X,
i915_fs_operand_reg(FS_R0),
i915_fs_operand_reg(FS_C1));
i915_fs_dp3_masked(FS_OC, MASK_Y,
i915_fs_operand_reg(FS_R0),
i915_fs_operand_reg(FS_C2));
i915_fs_dp3_masked(FS_OC, MASK_Z,
i915_fs_operand_reg(FS_R0),
i915_fs_operand_reg(FS_C3));
/* Set alpha of the output to 1.0, by wiring W to 1 and not actually using
* the source.
*/
i915_fs_mov_masked(FS_OC, MASK_W, i915_fs_operand_one());
if (pPriv->brightness != 0) {
i915_fs_add(FS_OC,
i915_fs_operand_reg(FS_OC),
i915_fs_operand(FS_C4, X, X, X, ZERO));
}
FS_END();
}
{
BEGIN_BATCH(2);
OUT_BATCH(MI_FLUSH | MI_WRITE_DIRTY_STATE | MI_INVALIDATE_MAP_CACHE);
OUT_BATCH(0x00000000);
ADVANCE_BATCH();
}
/* Set up the offset for translating from the given region (in screen
* coordinates) to the backing pixmap.
*/
#ifdef COMPOSITE
pix_xoff = -pPixmap->screen_x + pPixmap->drawable.x;
pix_yoff = -pPixmap->screen_y + pPixmap->drawable.y;
#else
pix_xoff = 0;
pix_yoff = 0;
#endif
dxo = dstRegion->extents.x1;
dyo = dstRegion->extents.y1;
pbox = REGION_RECTS(dstRegion);
nbox = REGION_NUM_RECTS(dstRegion);
while (nbox--)
{
int box_x1 = pbox->x1;
int box_y1 = pbox->y1;
int box_x2 = pbox->x2;
int box_y2 = pbox->y2;
float src_scale_x, src_scale_y;
pbox++;
src_scale_x = ((float)src_w / width) / drw_w;
src_scale_y = ((float)src_h / height) / drw_h;
BEGIN_BATCH(8 + 12);
OUT_BATCH(MI_NOOP);
OUT_BATCH(MI_NOOP);
OUT_BATCH(MI_NOOP);
OUT_BATCH(MI_NOOP);
OUT_BATCH(MI_NOOP);
OUT_BATCH(MI_NOOP);
OUT_BATCH(MI_NOOP);
/* vertex data - rect list consists of bottom right, bottom left, and top
* left vertices.
*/
OUT_BATCH(PRIM3D_INLINE | PRIM3D_RECTLIST | (12 - 1));
/* bottom right */
OUT_BATCH_F(box_x2 + pix_xoff);
OUT_BATCH_F(box_y2 + pix_yoff);
OUT_BATCH_F((box_x2 - dxo) * src_scale_x);
OUT_BATCH_F((box_y2 - dyo) * src_scale_y);
/* bottom left */
OUT_BATCH_F(box_x1 + pix_xoff);
OUT_BATCH_F(box_y2 + pix_yoff);
OUT_BATCH_F((box_x1 - dxo) * src_scale_x);
OUT_BATCH_F((box_y2 - dyo) * src_scale_y);
/* top left */
OUT_BATCH_F(box_x1 + pix_xoff);
OUT_BATCH_F(box_y1 + pix_yoff);
OUT_BATCH_F((box_x1 - dxo) * src_scale_x);
OUT_BATCH_F((box_y1 - dyo) * src_scale_y);
ADVANCE_BATCH();
}
i830MarkSync(pScrn);
}
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