#define DBG 0
-#define LOCAL_VARS \
- r200ContextPtr rmesa = R200_CONTEXT(ctx); \
- r200ScreenPtr r200Screen = rmesa->r200Screen; \
- __DRIscreenPrivate *sPriv = rmesa->dri.screen; \
- __DRIdrawablePrivate *dPriv = rmesa->dri.drawable; \
- GLuint pitch = r200Screen->frontPitch * r200Screen->cpp; \
- GLuint height = dPriv->h; \
- char *buf = (char *)(sPriv->pFB + \
- rmesa->state.color.drawOffset + \
- (dPriv->x * r200Screen->cpp) + \
- (dPriv->y * pitch)); \
- char *read_buf = (char *)(sPriv->pFB + \
- rmesa->state.pixel.readOffset + \
- (dPriv->x * r200Screen->cpp) + \
- (dPriv->y * pitch)); \
- GLuint p; \
- (void) read_buf; (void) buf; (void) p
-
-#define LOCAL_DEPTH_VARS \
- r200ContextPtr rmesa = R200_CONTEXT(ctx); \
- r200ScreenPtr r200Screen = rmesa->r200Screen; \
- __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 + r200Screen->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)
-
+/*
+ * Note that all information needed to access pixels in a renderbuffer
+ * should be obtained through the gl_renderbuffer parameter, not per-context
+ * information.
+ */
+#define LOCAL_VARS \
+ driRenderbuffer *drb = (driRenderbuffer *) rb; \
+ const __DRIdrawablePrivate *dPriv = drb->dPriv; \
+ const GLuint bottom = dPriv->h - 1; \
+ GLubyte *buf = (GLubyte *) drb->flippedData \
+ + (dPriv->y * drb->flippedPitch + dPriv->x) * drb->cpp; \
+ GLuint p; \
+ (void) p;
+
+#define LOCAL_DEPTH_VARS \
+ driRenderbuffer *drb = (driRenderbuffer *) rb; \
+ const __DRIdrawablePrivate *dPriv = drb->dPriv; \
+ const GLuint bottom = dPriv->h - 1; \
+ GLuint xo = dPriv->x; \
+ GLuint yo = dPriv->y; \
+ GLubyte *buf = (GLubyte *) drb->Base.Data;
+
+#define LOCAL_STENCIL_VARS LOCAL_DEPTH_VARS
+
+#define Y_FLIP(Y) (bottom - (Y))
#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()
/* 16 bit, RGB565 color spanline and pixel functions
*/
-
-#define GET_SRC_PTR(_x, _y) (read_buf + _x * 2 + _y * pitch)
-#define GET_DST_PTR(_x, _y) ( buf + _x * 2 + _y * pitch)
#define SPANTMP_PIXEL_FMT GL_RGB
#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
#define TAG(x) r200##x##_RGB565
#define TAG2(x,y) r200##x##_RGB565##y
+#define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 2)
#include "spantmp2.h"
/* 32 bit, ARGB8888 color spanline and pixel functions
*/
-
-#define GET_SRC_PTR(_x, _y) (read_buf + _x * 4 + _y * pitch)
-#define GET_DST_PTR(_x, _y) ( buf + _x * 4 + _y * pitch)
#define SPANTMP_PIXEL_FMT GL_BGRA
#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
#define TAG(x) r200##x##_ARGB8888
#define TAG2(x,y) r200##x##_ARGB8888##y
+#define GET_PTR(X,Y) (buf + ((Y) * drb->flippedPitch + (X)) * 4)
#include "spantmp2.h"
* are set up correctly. It is not quite enough to get it working with hyperz too...
*/
+/* extract bit 'b' of x, result is zero or one */
#define BIT(x,b) ((x & (1<<b))>>b)
-static GLuint r200_mba_z32( r200ContextPtr rmesa,
- GLint x, GLint y )
+
+static GLuint
+r200_mba_z32( driRenderbuffer *drb, GLint x, GLint y )
{
- GLuint pitch = rmesa->r200Screen->frontPitch;
- if (rmesa->r200Screen->depthHasSurface) {
- return 4*(x + y*pitch);
+ GLuint pitch = drb->pitch;
+ if (drb->depthHasSurface) {
+ return 4 * (x + y * pitch);
}
else {
GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 5) + ((x & 0x7FF) >> 5);
}
}
-static GLuint r200_mba_z16( r200ContextPtr rmesa, GLint x, GLint y )
+static GLuint
+r200_mba_z16( driRenderbuffer *drb, GLint x, GLint y )
{
- GLuint pitch = rmesa->r200Screen->frontPitch;
- if (rmesa->r200Screen->depthHasSurface) {
- return 2*(x + y*pitch);
+ GLuint pitch = drb->pitch;
+ if (drb->depthHasSurface) {
+ return 2 * (x + y * pitch);
}
else {
GLuint b = ((y & 0x7FF) >> 4) * ((pitch & 0xFFF) >> 6) + ((x & 0x7FF) >> 6);
*/
#define WRITE_DEPTH( _x, _y, d ) \
- *(GLushort *)(buf + r200_mba_z16( rmesa, _x + xo, _y + yo )) = d;
+ *(GLushort *)(buf + r200_mba_z16( drb, _x + xo, _y + yo )) = d;
#define READ_DEPTH( d, _x, _y ) \
- d = *(GLushort *)(buf + r200_mba_z16( rmesa, _x + xo, _y + yo ));
+ d = *(GLushort *)(buf + r200_mba_z16( drb, _x + xo, _y + yo ));
-#define TAG(x) r200##x##_16
+#define TAG(x) r200##x##_z16
#include "depthtmp.h"
#define WRITE_DEPTH( _x, _y, d ) \
do { \
- GLuint offset = r200_mba_z32( rmesa, _x + xo, _y + yo ); \
+ GLuint offset = r200_mba_z32( drb, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0xff000000; \
tmp |= ((d) & 0x00ffffff); \
} while (0)
#define READ_DEPTH( d, _x, _y ) \
- d = *(GLuint *)(buf + r200_mba_z32( rmesa, _x + xo, \
+ d = *(GLuint *)(buf + r200_mba_z32( drb, _x + xo, \
_y + yo )) & 0x00ffffff;
-#define TAG(x) r200##x##_24_8
+#define TAG(x) r200##x##_z24_s8
#include "depthtmp.h"
*/
#define WRITE_STENCIL( _x, _y, d ) \
do { \
- GLuint offset = r200_mba_z32( rmesa, _x + xo, _y + yo ); \
+ GLuint offset = r200_mba_z32( drb, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0x00ffffff; \
tmp |= (((d) & 0xff) << 24); \
#define READ_STENCIL( d, _x, _y ) \
do { \
- GLuint offset = r200_mba_z32( rmesa, _x + xo, _y + yo ); \
+ GLuint offset = r200_mba_z32( drb, _x + xo, _y + yo ); \
GLuint tmp = *(GLuint *)(buf + offset); \
tmp &= 0xff000000; \
d = tmp >> 24; \
} while (0)
-#define TAG(x) r200##x##_24_8
+#define TAG(x) r200##x##_z24_s8
#include "stenciltmp.h"
-/*
- * This function is called to specify which buffer to read and write
- * for software rasterization (swrast) fallbacks. This doesn't necessarily
- * correspond to glDrawBuffer() or glReadBuffer() calls.
- */
-static void r200SetBuffer( GLcontext *ctx,
- GLframebuffer *colorBuffer,
- GLuint bufferBit )
-{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
-
- switch ( bufferBit ) {
- case BUFFER_BIT_FRONT_LEFT:
- if ( rmesa->doPageFlip && rmesa->sarea->pfCurrentPage == 1 ) {
- rmesa->state.pixel.readOffset = rmesa->r200Screen->backOffset;
- rmesa->state.pixel.readPitch = rmesa->r200Screen->backPitch;
- rmesa->state.color.drawOffset = rmesa->r200Screen->backOffset;
- rmesa->state.color.drawPitch = rmesa->r200Screen->backPitch;
- } else {
- rmesa->state.pixel.readOffset = rmesa->r200Screen->frontOffset;
- rmesa->state.pixel.readPitch = rmesa->r200Screen->frontPitch;
- rmesa->state.color.drawOffset = rmesa->r200Screen->frontOffset;
- rmesa->state.color.drawPitch = rmesa->r200Screen->frontPitch;
- }
- break;
- case BUFFER_BIT_BACK_LEFT:
- if ( rmesa->doPageFlip && rmesa->sarea->pfCurrentPage == 1 ) {
- rmesa->state.pixel.readOffset = rmesa->r200Screen->frontOffset;
- rmesa->state.pixel.readPitch = rmesa->r200Screen->frontPitch;
- rmesa->state.color.drawOffset = rmesa->r200Screen->frontOffset;
- rmesa->state.color.drawPitch = rmesa->r200Screen->frontPitch;
- } else {
- rmesa->state.pixel.readOffset = rmesa->r200Screen->backOffset;
- rmesa->state.pixel.readPitch = rmesa->r200Screen->backPitch;
- rmesa->state.color.drawOffset = rmesa->r200Screen->backOffset;
- rmesa->state.color.drawPitch = rmesa->r200Screen->backPitch;
- }
- break;
- default:
- _mesa_problem(ctx, "Bad bufferBit in %s", __FUNCTION__);
- break;
- }
-}
-
/* Move locking out to get reasonable span performance (10x better
* than doing this in HW_LOCK above). WaitForIdle() is the main
* culprit.
*/
{
int p;
- volatile int *read_buf = (volatile int *)(rmesa->dri.screen->pFB +
- rmesa->state.pixel.readOffset);
- p = *read_buf;
- *read_buf = p;
+ driRenderbuffer *drb =
+ (driRenderbuffer *) ctx->WinSysDrawBuffer->_ColorDrawBuffers[0][0];
+ volatile int *buf =
+ (volatile int *)(rmesa->dri.screen->pFB + drb->offset);
+ p = *buf;
+ *buf = p;
}
}
void r200InitSpanFuncs( GLcontext *ctx )
{
- r200ContextPtr rmesa = R200_CONTEXT(ctx);
struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
-
- swdd->SetBuffer = r200SetBuffer;
swdd->SpanRenderStart = r200SpanRenderStart;
swdd->SpanRenderFinish = r200SpanRenderFinish;
}
}
}
else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT16) {
- drb->Base.GetRow = r200ReadDepthSpan_16;
- drb->Base.GetValues = r200ReadDepthPixels_16;
- drb->Base.PutRow = r200WriteDepthSpan_16;
- drb->Base.PutMonoRow = r200WriteMonoDepthSpan_16;
- drb->Base.PutValues = r200WriteDepthPixels_16;
- drb->Base.PutMonoValues = NULL;
+ r200InitDepthPointers_z16(&drb->Base);
}
else if (drb->Base.InternalFormat == GL_DEPTH_COMPONENT24) {
- drb->Base.GetRow = r200ReadDepthSpan_24_8;
- drb->Base.GetValues = r200ReadDepthPixels_24_8;
- drb->Base.PutRow = r200WriteDepthSpan_24_8;
- drb->Base.PutMonoRow = r200WriteMonoDepthSpan_24_8;
- drb->Base.PutValues = r200WriteDepthPixels_24_8;
- drb->Base.PutMonoValues = NULL;
+ r200InitDepthPointers_z24_s8(&drb->Base);
}
else if (drb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) {
- drb->Base.GetRow = r200ReadStencilSpan_24_8;
- drb->Base.GetValues = r200ReadStencilPixels_24_8;
- drb->Base.PutRow = r200WriteStencilSpan_24_8;
- drb->Base.PutMonoRow = r200WriteMonoStencilSpan_24_8;
- drb->Base.PutValues = r200WriteStencilPixels_24_8;
- drb->Base.PutMonoValues = NULL;
+ r200InitStencilPointers_z24_s8(&drb->Base);
}
}