#include "glheader.h"
#include "swrast/swrast.h"
#include "radeon_context.h"
#include "radeon_ioctl.h"
#include "radeon_state.h"
#include "radeon_span.h"
#include "radeon_tex.h"
#define DBG 0
#define LOCAL_VARS \
radeonContextPtr rmesa = RADEON_CONTEXT(ctx); \
radeonScreenPtr radeonScreen = rmesa->radeonScreen; \
__DRIscreenPrivate *sPriv = rmesa->dri.screen; \
__DRIdrawablePrivate *dPriv = rmesa->dri.drawable; \
GLuint pitch = radeonScreen->frontPitch * radeonScreen->cpp; \
GLuint height = dPriv->h; \
char *buf = (char *)(sPriv->pFB + \
rmesa->state.color.drawOffset + \
(dPriv->x * radeonScreen->cpp) + \
(dPriv->y * pitch)); \
char *read_buf = (char *)(sPriv->pFB + \
rmesa->state.pixel.readOffset + \
(dPriv->x * radeonScreen->cpp) + \
(dPriv->y * pitch)); \
GLuint p; \
(void) read_buf; (void) buf; (void) p
#define LOCAL_DEPTH_VARS \
radeonContextPtr rmesa = RADEON_CONTEXT(ctx); \
radeonScreenPtr radeonScreen = rmesa->radeonScreen; \
__DRIscreenPrivate *sPriv = rmesa->dri.screen; \
__DRIdrawablePrivate *dPriv = rmesa->dri.drawable; \
GLuint height = dPriv->h; \
GLuint xo = dPriv->x; \
GLuint yo = dPriv->y; \
char *buf = (char *)(sPriv->pFB + radeonScreen->depthOffset); \
(void) buf
#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
#define CLIPPIXEL( _x, _y ) \
((_x >= minx) && (_x < maxx) && (_y >= miny) && (_y < maxy))
#define CLIPSPAN( _x, _y, _n, _x1, _n1, _i ) \
if ( _y < miny || _y >= maxy ) { \
_n1 = 0, _x1 = x; \
} else { \
_n1 = _n; \
_x1 = _x; \
if ( _x1 < minx ) _i += (minx-_x1), n1 -= (minx-_x1), _x1 = minx; \
if ( _x1 + _n1 >= maxx ) n1 -= (_x1 + n1 - maxx); \
}
#define Y_FLIP( _y ) (height - _y - 1)
#define HW_LOCK()
#define HW_CLIPLOOP() \
do { \
__DRIdrawablePrivate *dPriv = rmesa->dri.drawable; \
int _nc = dPriv->numClipRects; \
\
while ( _nc-- ) { \
int minx = dPriv->pClipRects[_nc].x1 - dPriv->x; \
int miny = dPriv->pClipRects[_nc].y1 - dPriv->y; \
int maxx = dPriv->pClipRects[_nc].x2 - dPriv->x; \
int maxy = dPriv->pClipRects[_nc].y2 - dPriv->y;
#define HW_ENDCLIPLOOP() \
} \
} while (0)
#define HW_UNLOCK()
#define INIT_MONO_PIXEL(p, color) \
p = PACK_COLOR_565( color[0], color[1], color[2] )
#define WRITE_RGBA( _x, _y, r, g, b, a ) \
*(GLushort *)(buf + _x*2 + _y*pitch) = ((((int)r & 0xf8) << 8) | \
(((int)g & 0xfc) << 3) | \
(((int)b & 0xf8) >> 3))
#define WRITE_PIXEL( _x, _y, p ) \
*(GLushort *)(buf + _x*2 + _y*pitch) = p
#define READ_RGBA( rgba, _x, _y ) \
do { \
GLushort p = *(GLushort *)(read_buf + _x*2 + _y*pitch); \
rgba[0] = ((p >> 8) & 0xf8) * 255 / 0xf8; \
rgba[1] = ((p >> 3) & 0xfc) * 255 / 0xfc; \
rgba[2] = ((p << 3) & 0xf8) * 255 / 0xf8; \
rgba[3] = 0xff; \
} while (0)
#define TAG(x) radeon##x##_RGB565
#include "spantmp.h"
#undef INIT_MONO_PIXEL
#define INIT_MONO_PIXEL(p, color) \
p = PACK_COLOR_8888( color[3], color[0], color[1], color[2] )
#define WRITE_RGBA( _x, _y, r, g, b, a ) \
do { \
*(GLuint *)(buf + _x*4 + _y*pitch) = ((b << 0) | \
(g << 8) | \
(r << 16) | \
(a << 24) ); \
} while (0)
#define WRITE_PIXEL( _x, _y, p ) \
do { \
*(GLuint *)(buf + _x*4 + _y*pitch) = p; \
} while (0)
#define READ_RGBA( rgba, _x, _y ) \
do { \
volatile GLuint *ptr = (volatile GLuint *)(read_buf + _x*4 + _y*pitch); \
GLuint p = *ptr; \
rgba[0] = (p >> 16) & 0xff; \
rgba[1] = (p >> 8) & 0xff; \
rgba[2] = (p >> 0) & 0xff; \
rgba[3] = (p >> 24) & 0xff; \
} while (0)
#define TAG(x) radeon##x##_ARGB8888
#include "spantmp.h"
static GLuint radeon_mba_z32( radeonContextPtr rmesa,
GLint x, GLint y )
{
GLuint pitch = rmesa->radeonScreen->frontPitch;
GLuint ba, address = 0;
ba = (y / 16) * (pitch / 16) + (x / 16);
address |= (x & 0x7) << 2;
address |= (y & 0x3) << 5;
address |=
(((x & 0x10) >> 2) ^ (y & 0x4)) << 5;
address |= (ba & 0x3) << 8;
address |= (y & 0x8) << 7;
address |=
(((x & 0x8) << 1) ^ (y & 0x10)) << 7;
address |= (ba & ~0x3) << 10;
return address;
}
static __inline GLuint radeon_mba_z16( radeonContextPtr rmesa, GLint x, GLint y )
{
GLuint pitch = rmesa->radeonScreen->frontPitch;
GLuint ba, address = 0;
ba = (y / 16) * (pitch / 32) + (x / 32);
address |= (x & 0x7) << 1;
address |= (y & 0x7) << 4;
address |= (x & 0x8) << 4;
address |= (ba & 0x3) << 8;
address |= (y & 0x8) << 7;
address |= ((x & 0x10) ^ (y & 0x10)) << 7;
address |= (ba & ~0x3) << 10;
return address;
}
#define WRITE_DEPTH( _x, _y, d ) \
*(GLushort *)(buf + radeon_mba_z16( rmesa, _x + xo, _y + yo )) = d;
#define READ_DEPTH( d, _x, _y ) \
d = *(GLushort *)(buf + radeon_mba_z16( rmesa, _x + xo, _y + yo ));
#define TAG(x) radeon##x##_16
#include "depthtmp.h"
#define WRITE_DEPTH( _x, _y, d ) \
do { \
GLuint offset = radeon_mba_z32( rmesa, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0xff000000; \
tmp |= ((d) & 0x00ffffff); \
*(GLuint *)(buf + offset) = tmp; \
} while (0)
#define READ_DEPTH( d, _x, _y ) \
d = *(GLuint *)(buf + radeon_mba_z32( rmesa, _x + xo, \
_y + yo )) & 0x00ffffff;
#define TAG(x) radeon##x##_24_8
#include "depthtmp.h"
#define WRITE_STENCIL( _x, _y, d ) \
do { \
GLuint offset = radeon_mba_z32( rmesa, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0x00ffffff; \
tmp |= (((d) & 0xff) << 24); \
*(GLuint *)(buf + offset) = tmp; \
} while (0)
#define READ_STENCIL( d, _x, _y ) \
do { \
GLuint offset = radeon_mba_z32( rmesa, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0xff000000; \
d = tmp >> 24; \
} while (0)
#define TAG(x) radeon##x##_24_8
#include "stenciltmp.h"
static void radeonSetBuffer( GLcontext *ctx,
GLframebuffer *colorBuffer,
GLuint bufferBit )
{
radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
switch ( bufferBit ) {
case FRONT_LEFT_BIT:
if ( rmesa->sarea->pfCurrentPage == 1 ) {
rmesa->state.pixel.readOffset = rmesa->radeonScreen->backOffset;
rmesa->state.pixel.readPitch = rmesa->radeonScreen->backPitch;
rmesa->state.color.drawOffset = rmesa->radeonScreen->backOffset;
rmesa->state.color.drawPitch = rmesa->radeonScreen->backPitch;
} else {
rmesa->state.pixel.readOffset = rmesa->radeonScreen->frontOffset;
rmesa->state.pixel.readPitch = rmesa->radeonScreen->frontPitch;
rmesa->state.color.drawOffset = rmesa->radeonScreen->frontOffset;
rmesa->state.color.drawPitch = rmesa->radeonScreen->frontPitch;
}
break;
case BACK_LEFT_BIT:
if ( rmesa->sarea->pfCurrentPage == 1 ) {
rmesa->state.pixel.readOffset = rmesa->radeonScreen->frontOffset;
rmesa->state.pixel.readPitch = rmesa->radeonScreen->frontPitch;
rmesa->state.color.drawOffset = rmesa->radeonScreen->frontOffset;
rmesa->state.color.drawPitch = rmesa->radeonScreen->frontPitch;
} else {
rmesa->state.pixel.readOffset = rmesa->radeonScreen->backOffset;
rmesa->state.pixel.readPitch = rmesa->radeonScreen->backPitch;
rmesa->state.color.drawOffset = rmesa->radeonScreen->backOffset;
rmesa->state.color.drawPitch = rmesa->radeonScreen->backPitch;
}
break;
default:
assert(0);
break;
}
}
static void radeonSpanRenderStart( GLcontext *ctx )
{
radeonContextPtr rmesa = RADEON_CONTEXT( ctx );
RADEON_FIREVERTICES( rmesa );
LOCK_HARDWARE( rmesa );
radeonWaitForIdleLocked( rmesa );
}
static void radeonSpanRenderFinish( GLcontext *ctx )
{
radeonContextPtr rmesa = RADEON_CONTEXT( ctx );
_swrast_flush( ctx );
UNLOCK_HARDWARE( rmesa );
}
void radeonInitSpanFuncs( GLcontext *ctx )
{
radeonContextPtr rmesa = RADEON_CONTEXT(ctx);
struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
swdd->SetBuffer = radeonSetBuffer;
switch ( rmesa->radeonScreen->cpp ) {
case 2:
swdd->WriteRGBASpan = radeonWriteRGBASpan_RGB565;
swdd->WriteRGBSpan = radeonWriteRGBSpan_RGB565;
swdd->WriteMonoRGBASpan = radeonWriteMonoRGBASpan_RGB565;
swdd->WriteRGBAPixels = radeonWriteRGBAPixels_RGB565;
swdd->WriteMonoRGBAPixels = radeonWriteMonoRGBAPixels_RGB565;
swdd->ReadRGBASpan = radeonReadRGBASpan_RGB565;
swdd->ReadRGBAPixels = radeonReadRGBAPixels_RGB565;
break;
case 4:
swdd->WriteRGBASpan = radeonWriteRGBASpan_ARGB8888;
swdd->WriteRGBSpan = radeonWriteRGBSpan_ARGB8888;
swdd->WriteMonoRGBASpan = radeonWriteMonoRGBASpan_ARGB8888;
swdd->WriteRGBAPixels = radeonWriteRGBAPixels_ARGB8888;
swdd->WriteMonoRGBAPixels = radeonWriteMonoRGBAPixels_ARGB8888;
swdd->ReadRGBASpan = radeonReadRGBASpan_ARGB8888;
swdd->ReadRGBAPixels = radeonReadRGBAPixels_ARGB8888;
break;
default:
break;
}
switch ( rmesa->glCtx->Visual.depthBits ) {
case 16:
swdd->ReadDepthSpan = radeonReadDepthSpan_16;
swdd->WriteDepthSpan = radeonWriteDepthSpan_16;
swdd->ReadDepthPixels = radeonReadDepthPixels_16;
swdd->WriteDepthPixels = radeonWriteDepthPixels_16;
break;
case 24:
swdd->ReadDepthSpan = radeonReadDepthSpan_24_8;
swdd->WriteDepthSpan = radeonWriteDepthSpan_24_8;
swdd->ReadDepthPixels = radeonReadDepthPixels_24_8;
swdd->WriteDepthPixels = radeonWriteDepthPixels_24_8;
swdd->ReadStencilSpan = radeonReadStencilSpan_24_8;
swdd->WriteStencilSpan = radeonWriteStencilSpan_24_8;
swdd->ReadStencilPixels = radeonReadStencilPixels_24_8;
swdd->WriteStencilPixels = radeonWriteStencilPixels_24_8;
break;
default:
break;
}
swdd->SpanRenderStart = radeonSpanRenderStart;
swdd->SpanRenderFinish = radeonSpanRenderFinish;
}