/**************************************************************************
*
* Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas.
* All Rights Reserved.
*
* 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, sub license, 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 NON-INFRINGEMENT.
* IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
*
**************************************************************************/
#include <stdio.h>
#include <errno.h>
#include "mtypes.h"
#include "context.h"
#include "enums.h"
#include "vblank.h"
#include "intel_reg.h"
#include "intel_batchbuffer.h"
#include "intel_context.h"
#include "intel_blit.h"
#include "intel_regions.h"
#include "intel_structs.h"
#include "bufmgr.h"
/*
* Copy the back buffer to the front buffer.
*/
void intelCopyBuffer( const __DRIdrawablePrivate *dPriv,
const drm_clip_rect_t *rect )
{
struct intel_context *intel;
GLboolean missed_target;
int64_t ust;
DBG("%s\n", __FUNCTION__);
assert(dPriv);
assert(dPriv->driContextPriv);
assert(dPriv->driContextPriv->driverPrivate);
intel = (struct intel_context *) dPriv->driContextPriv->driverPrivate;
intelFlush( &intel->ctx );
bmFinishFenceLock(intel, intel->last_swap_fence);
/* The LOCK_HARDWARE is required for the cliprects. Buffer offsets
* should work regardless.
*/
LOCK_HARDWARE( intel );
if (!rect)
{
UNLOCK_HARDWARE( intel );
driWaitForVBlank( dPriv, &intel->vbl_seq, intel->vblank_flags, & missed_target );
LOCK_HARDWARE( intel );
}
{
intelScreenPrivate *intelScreen = intel->intelScreen;
__DRIdrawablePrivate *dPriv = intel->driDrawable;
int nbox = dPriv->numClipRects;
drm_clip_rect_t *pbox = dPriv->pClipRects;
int cpp = intelScreen->cpp;
struct intel_region *src, *dst;
int BR13, CMD;
int i;
int src_pitch, dst_pitch;
if (intel->sarea->pf_current_page == 0) {
dst = intel->front_region;
src = intel->back_region;
}
else {
assert(0);
src = intel->front_region;
dst = intel->back_region;
}
src_pitch = src->pitch * src->cpp;
dst_pitch = dst->pitch * dst->cpp;
if (cpp == 2) {
BR13 = (0xCC << 16) | (1<<24);
CMD = XY_SRC_COPY_BLT_CMD;
}
else {
BR13 = (0xCC << 16) | (1<<24) | (1<<25);
CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB);
}
if (src->tiled) {
CMD |= XY_SRC_TILED;
src_pitch /= 4;
}
if (dst->tiled) {
CMD |= XY_DST_TILED;
dst_pitch /= 4;
}
for (i = 0 ; i < nbox; i++, pbox++)
{
drm_clip_rect_t tmp = *pbox;
if (rect) {
if (!intel_intersect_cliprects(&tmp, &tmp, rect))
continue;
}
if (tmp.x1 > tmp.x2 ||
tmp.y1 > tmp.y2 ||
tmp.x2 > intelScreen->width ||
tmp.y2 > intelScreen->height)
continue;
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( dst_pitch | BR13 );
OUT_BATCH( (tmp.y1 << 16) | tmp.x1 );
OUT_BATCH( (tmp.y2 << 16) | tmp.x2 );
OUT_BATCH( bmBufferOffset(intel, dst->buffer) );
OUT_BATCH( (tmp.y1 << 16) | tmp.x1 );
OUT_BATCH( src_pitch );
OUT_BATCH( bmBufferOffset(intel, src->buffer) );
ADVANCE_BATCH();
}
}
intel_batchbuffer_flush( intel->batch );
intel->second_last_swap_fence = intel->last_swap_fence;
intel->last_swap_fence = bmSetFenceLock( intel );
UNLOCK_HARDWARE( intel );
if (!rect)
{
intel->swap_count++;
(*dri_interface->getUST)(&ust);
if (missed_target) {
intel->swap_missed_count++;
intel->swap_missed_ust = ust - intel->swap_ust;
}
intel->swap_ust = ust;
}
}
void intelEmitFillBlit( struct intel_context *intel,
GLuint cpp,
GLshort dst_pitch,
struct buffer *dst_buffer,
GLuint dst_offset,
GLboolean dst_tiled,
GLshort x, GLshort y,
GLshort w, GLshort h,
GLuint color )
{
GLuint BR13, CMD;
BATCH_LOCALS;
dst_pitch *= cpp;
switch(cpp) {
case 1:
case 2:
case 3:
BR13 = (0xF0 << 16) | (1<<24);
CMD = XY_COLOR_BLT_CMD;
break;
case 4:
BR13 = (0xF0 << 16) | (1<<24) | (1<<25);
CMD = (XY_COLOR_BLT_CMD | XY_COLOR_BLT_WRITE_ALPHA |
XY_COLOR_BLT_WRITE_RGB);
break;
default:
return;
}
if (dst_tiled) {
CMD |= XY_DST_TILED;
dst_pitch /= 4;
}
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( dst_pitch | BR13 );
OUT_BATCH( (y << 16) | x );
OUT_BATCH( ((y+h) << 16) | (x+w) );
OUT_BATCH( bmBufferOffset(intel, dst_buffer) + dst_offset );
OUT_BATCH( color );
ADVANCE_BATCH();
}
static GLuint translate_raster_op(GLenum logicop)
{
switch(logicop) {
case GL_CLEAR: return 0x00;
case GL_AND: return 0x88;
case GL_AND_REVERSE: return 0x44;
case GL_COPY: return 0xCC;
case GL_AND_INVERTED: return 0x22;
case GL_NOOP: return 0xAA;
case GL_XOR: return 0x66;
case GL_OR: return 0xEE;
case GL_NOR: return 0x11;
case GL_EQUIV: return 0x99;
case GL_INVERT: return 0x55;
case GL_OR_REVERSE: return 0xDD;
case GL_COPY_INVERTED: return 0x33;
case GL_OR_INVERTED: return 0xBB;
case GL_NAND: return 0x77;
case GL_SET: return 0xFF;
default: return 0;
}
}
/* Copy BitBlt
*/
void intelEmitCopyBlit( struct intel_context *intel,
GLuint cpp,
GLshort src_pitch,
struct buffer *src_buffer,
GLuint src_offset,
GLboolean src_tiled,
GLshort dst_pitch,
struct buffer *dst_buffer,
GLuint dst_offset,
GLboolean dst_tiled,
GLshort src_x, GLshort src_y,
GLshort dst_x, GLshort dst_y,
GLshort w, GLshort h,
GLenum logic_op )
{
GLuint CMD, BR13;
int dst_y2 = dst_y + h;
int dst_x2 = dst_x + w;
BATCH_LOCALS;
DBG("%s src:buf(%d)/%d %d,%d dst:buf(%d)/%d %d,%d sz:%dx%d op:%d\n",
__FUNCTION__,
src_buffer, src_pitch, src_x, src_y,
dst_buffer, dst_pitch, dst_x, dst_y,
w,h,logic_op);
assert( logic_op - GL_CLEAR >= 0 );
assert( logic_op - GL_CLEAR < 0x10 );
src_pitch *= cpp;
dst_pitch *= cpp;
switch(cpp) {
case 1:
case 2:
case 3:
BR13 = (translate_raster_op(logic_op) << 16) | (1<<24);
CMD = XY_SRC_COPY_BLT_CMD;
break;
case 4:
BR13 = (translate_raster_op(logic_op) << 16) | (1<<24) |
(1<<25);
CMD = (XY_SRC_COPY_BLT_CMD | XY_SRC_COPY_BLT_WRITE_ALPHA |
XY_SRC_COPY_BLT_WRITE_RGB);
break;
default:
return;
}
if (src_tiled) {
CMD |= XY_SRC_TILED;
src_pitch /= 4;
}
if (dst_tiled) {
CMD |= XY_DST_TILED;
dst_pitch /= 4;
}
if (dst_y2 < dst_y ||
dst_x2 < dst_x) {
return;
}
dst_pitch &= 0xffff;
src_pitch &= 0xffff;
/* Initial y values don't seem to work with negative pitches. If
* we adjust the offsets manually (below), it seems to work fine.
*
* On the other hand, if we always adjust, the hardware doesn't
* know which blit directions to use, so overlapping copypixels get
* the wrong result.
*/
if (dst_pitch > 0 && src_pitch > 0) {
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( dst_pitch | BR13 );
OUT_BATCH( (dst_y << 16) | dst_x );
OUT_BATCH( (dst_y2 << 16) | dst_x2 );
OUT_BATCH( bmBufferOffset(intel, dst_buffer) + dst_offset );
OUT_BATCH( (src_y << 16) | src_x );
OUT_BATCH( src_pitch );
OUT_BATCH( bmBufferOffset(intel, src_buffer) + src_offset );
ADVANCE_BATCH();
}
else {
BEGIN_BATCH(8, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( CMD );
OUT_BATCH( (dst_pitch & 0xffff) | BR13 );
OUT_BATCH( (0 << 16) | dst_x );
OUT_BATCH( (h << 16) | dst_x2 );
OUT_BATCH( bmBufferOffset(intel, dst_buffer) + dst_offset + dst_y * dst_pitch );
OUT_BATCH( (0 << 16) | src_x );
OUT_BATCH( (src_pitch & 0xffff) );
OUT_BATCH( bmBufferOffset(intel, src_buffer) + src_offset + src_y * src_pitch );
ADVANCE_BATCH();
}
}
void intelClearWithBlit(GLcontext *ctx, GLbitfield flags)
{
struct intel_context *intel = intel_context( ctx );
intelScreenPrivate *intelScreen = intel->intelScreen;
GLuint clear_depth, clear_color;
GLint cx, cy, cw, ch;
GLint cpp = intelScreen->cpp;
GLboolean all;
GLint i;
struct intel_region *front = intel->front_region;
struct intel_region *back = intel->back_region;
struct intel_region *depth = intel->depth_region;
GLuint BR13, FRONT_CMD, BACK_CMD, DEPTH_CMD;
GLuint front_pitch;
GLuint back_pitch;
GLuint depth_pitch;
BATCH_LOCALS;
clear_color = intel->ClearColor;
clear_depth = 0;
if (flags & BUFFER_BIT_DEPTH) {
clear_depth = (GLuint)(ctx->Depth.Clear * intel->ClearDepth);
}
if (flags & BUFFER_BIT_STENCIL) {
clear_depth |= (ctx->Stencil.Clear & 0xff) << 24;
}
switch(cpp) {
case 2:
BR13 = (0xF0 << 16) | (1<<24);
BACK_CMD = FRONT_CMD = XY_COLOR_BLT_CMD;
DEPTH_CMD = XY_COLOR_BLT_CMD;
break;
case 4:
BR13 = (0xF0 << 16) | (1<<24) | (1<<25);
BACK_CMD = FRONT_CMD = (XY_COLOR_BLT_CMD |
XY_COLOR_BLT_WRITE_ALPHA |
XY_COLOR_BLT_WRITE_RGB);
DEPTH_CMD = XY_COLOR_BLT_CMD;
if (flags & BUFFER_BIT_DEPTH) DEPTH_CMD |= XY_COLOR_BLT_WRITE_RGB;
if (flags & BUFFER_BIT_STENCIL) DEPTH_CMD |= XY_COLOR_BLT_WRITE_ALPHA;
break;
default:
return;
}
intelFlush( &intel->ctx );
LOCK_HARDWARE( intel );
{
/* get clear bounds after locking */
cx = ctx->DrawBuffer->_Xmin;
cy = ctx->DrawBuffer->_Ymin;
ch = ctx->DrawBuffer->_Ymax - ctx->DrawBuffer->_Ymin;
cw = ctx->DrawBuffer->_Xmax - ctx->DrawBuffer->_Xmin;
all = (cw == ctx->DrawBuffer->Width && ch == ctx->DrawBuffer->Height);
/* flip top to bottom */
cy = intel->driDrawable->h - cy - ch;
cx = cx + intel->drawX;
cy += intel->drawY;
/* adjust for page flipping */
if ( intel->sarea->pf_current_page == 0 ) {
front = intel->front_region;
back = intel->back_region;
}
else {
back = intel->front_region;
front = intel->back_region;
}
front_pitch = front->pitch * front->cpp;
back_pitch = back->pitch * back->cpp;
depth_pitch = depth->pitch * depth->cpp;
if (front->tiled) {
FRONT_CMD |= XY_DST_TILED;
front_pitch /= 4;
}
if (back->tiled) {
BACK_CMD |= XY_DST_TILED;
back_pitch /= 4;
}
if (depth->tiled) {
DEPTH_CMD |= XY_DST_TILED;
depth_pitch /= 4;
}
for (i = 0 ; i < intel->numClipRects ; i++)
{
drm_clip_rect_t *box = &intel->pClipRects[i];
drm_clip_rect_t b;
if (!all) {
GLint x = box->x1;
GLint y = box->y1;
GLint w = box->x2 - x;
GLint h = box->y2 - y;
if (x < cx) w -= cx - x, x = cx;
if (y < cy) h -= cy - y, y = cy;
if (x + w > cx + cw) w = cx + cw - x;
if (y + h > cy + ch) h = cy + ch - y;
if (w <= 0) continue;
if (h <= 0) continue;
b.x1 = x;
b.y1 = y;
b.x2 = x + w;
b.y2 = y + h;
} else {
b = *box;
}
if (b.x1 > b.x2 ||
b.y1 > b.y2 ||
b.x2 > intelScreen->width ||
b.y2 > intelScreen->height)
continue;
if ( flags & BUFFER_BIT_FRONT_LEFT ) {
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( FRONT_CMD );
OUT_BATCH( front_pitch | BR13 );
OUT_BATCH( (b.y1 << 16) | b.x1 );
OUT_BATCH( (b.y2 << 16) | b.x2 );
OUT_BATCH( bmBufferOffset(intel, front->buffer) );
OUT_BATCH( clear_color );
ADVANCE_BATCH();
}
if ( flags & BUFFER_BIT_BACK_LEFT ) {
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( BACK_CMD );
OUT_BATCH( back_pitch | BR13 );
OUT_BATCH( (b.y1 << 16) | b.x1 );
OUT_BATCH( (b.y2 << 16) | b.x2 );
OUT_BATCH( bmBufferOffset(intel, back->buffer) );
OUT_BATCH( clear_color );
ADVANCE_BATCH();
}
if ( flags & (BUFFER_BIT_STENCIL | BUFFER_BIT_DEPTH) ) {
BEGIN_BATCH(6, INTEL_BATCH_NO_CLIPRECTS);
OUT_BATCH( DEPTH_CMD );
OUT_BATCH( depth_pitch | BR13 );
OUT_BATCH( (b.y1 << 16) | b.x1 );
OUT_BATCH( (b.y2 << 16) | b.x2 );
OUT_BATCH( bmBufferOffset(intel, depth->buffer) );
OUT_BATCH( clear_depth );
ADVANCE_BATCH();
}
}
}
intel_batchbuffer_flush( intel->batch );
UNLOCK_HARDWARE( intel );
}
#define BR13_565 0x1
#define BR13_8888 0x3
void
intelEmitImmediateColorExpandBlit(struct intel_context *intel,
GLuint cpp,
GLubyte *src_bits, GLuint src_size,
GLuint fg_color,
GLshort dst_pitch,
struct buffer *dst_buffer,
GLuint dst_offset,
GLboolean dst_tiled,
GLshort x, GLshort y,
GLshort w, GLshort h,
GLenum logic_op)
{
struct xy_setup_blit setup;
struct xy_text_immediate_blit text;
int dwords = ((src_size + 7) & ~7) / 4;
assert( logic_op - GL_CLEAR >= 0 );
assert( logic_op - GL_CLEAR < 0x10 );
if (w < 0 || h < 0)
return;
dst_pitch *= cpp;
if (dst_tiled)
dst_pitch /= 4;
DBG("%s dst:buf(%p)/%d+%d %d,%d sz:%dx%d, %d bytes %d dwords\n",
__FUNCTION__,
dst_buffer, dst_pitch, dst_offset, x, y, w, h, src_size, dwords);
memset(&setup, 0, sizeof(setup));
setup.br0.client = CLIENT_2D;
setup.br0.opcode = OPCODE_XY_SETUP_BLT;
setup.br0.write_alpha = (cpp == 4);
setup.br0.write_rgb = (cpp == 4);
setup.br0.dst_tiled = dst_tiled;
setup.br0.length = (sizeof(setup) / sizeof(int)) - 2;
setup.br13.dest_pitch = dst_pitch;
setup.br13.rop = translate_raster_op(logic_op);
setup.br13.color_depth = (cpp == 4) ? BR13_8888 : BR13_565;
setup.br13.clipping_enable = 0;
setup.br13.mono_source_transparency = 1;
setup.dw2.clip_y1 = 0;
setup.dw2.clip_x1 = 0;
setup.dw3.clip_y2 = 100;
setup.dw3.clip_x2 = 100;
setup.dest_base_addr = bmBufferOffset(intel, dst_buffer) + dst_offset;
setup.background_color = 0;
setup.foreground_color = fg_color;
setup.pattern_base_addr = 0;
memset(&text, 0, sizeof(text));
text.dw0.client = CLIENT_2D;
text.dw0.opcode = OPCODE_XY_TEXT_IMMEDIATE_BLT;
text.dw0.pad0 = 0;
text.dw0.byte_packed = 1; /* ?maybe? */
text.dw0.pad1 = 0;
text.dw0.dst_tiled = dst_tiled;
text.dw0.pad2 = 0;
text.dw0.length = (sizeof(text)/sizeof(int)) - 2 + dwords;
text.dw1.dest_y1 = y; /* duplicates info in setup blit */
text.dw1.dest_x1 = x;
text.dw2.dest_y2 = y + h;
text.dw2.dest_x2 = x + w;
intel_batchbuffer_require_space( intel->batch,
sizeof(setup) +
sizeof(text) +
dwords,
INTEL_BATCH_NO_CLIPRECTS );
intel_batchbuffer_data( intel->batch,
&setup,
sizeof(setup),
INTEL_BATCH_NO_CLIPRECTS );
intel_batchbuffer_data( intel->batch,
&text,
sizeof(text),
INTEL_BATCH_NO_CLIPRECTS );
intel_batchbuffer_data( intel->batch,
src_bits,
dwords * 4,
INTEL_BATCH_NO_CLIPRECTS );
}