USE OR OTHER DEALINGS IN THE SOFTWARE.
**************************************************************************/
-/* $XFree86: xc/lib/GL/mesa/src/drv/sis/sis_span.c,v 1.5 2001/03/21 16:14:26 dawes Exp $ */
/*
* Authors:
#include "sis_context.h"
#include "sis_span.h"
+#include "sis_lock.h"
+#include "sis_tris.h"
#include "swrast/swrast.h"
#define LOCAL_VARS \
sisContextPtr smesa = SIS_CONTEXT(ctx); \
- char *buf = (char *)(smesa->FbBase + smesa->drawOffset); \
- char *read_buf = (char *)(smesa->FbBase + smesa->readOffset); \
+ __DRIdrawablePrivate *dPriv = smesa->driDrawable; \
+ struct sis_renderbuffer *srb = (struct sis_renderbuffer *) rb; \
+ GLuint pitch = srb->pitch; \
+ char *buf = srb->map; \
GLuint p; \
- (void) read_buf; (void) buf; (void) p
+ (void) buf; (void) p;
+
#define LOCAL_DEPTH_VARS \
sisContextPtr smesa = SIS_CONTEXT(ctx); \
- char *buf = smesa->depthbuffer; \
+ __DRIdrawablePrivate *dPriv = smesa->driDrawable; \
+ struct sis_renderbuffer *srb = (struct sis_renderbuffer *) rb; \
+ char *buf = srb->map;
#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 HW_LOCK() do {} while(0);
-#define HW_CLIPLOOP() \
- do { \
- __DRIdrawablePrivate *dPriv = smesa->driDrawable; \
- 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() do {} while(0);
/* RGB565 */
-#define INIT_MONO_PIXEL(p, color) \
- p = SISPACKCOLOR565( color[0], color[1], color[2] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- *(GLushort *)(buf + _x*2 + _y*smesa->drawPitch) = \
- (((r & 0xf8) << 8) | \
- ((g & 0xfc) << 3) | \
- (b >> 3))
-
-#define WRITE_PIXEL( _x, _y, p ) \
- *(GLushort *)(buf + _x*2 + _y*smesa->drawPitch) = p
+#define SPANTMP_PIXEL_FMT GL_RGB
+#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_SHORT_5_6_5
-#define READ_RGBA( rgba, _x, _y ) \
-do { \
- GLushort p = *(GLushort *)(read_buf + _x*2 + _y*smesa->readPitch); \
- rgba[0] = (p & 0xf800) >> 8; \
- rgba[1] = (p & 0x07e0) >> 3; \
- rgba[2] = (p & 0x001f) << 3; \
- rgba[3] = 0xff; \
-} while(0)
-
-#define TAG(x) sis##x##_565
-#include "spantmp.h"
+#define TAG(x) sis##x##_RGB565
+#define TAG2(x,y) sis##x##_RGB565##y
+#include "spantmp2.h"
/* ARGB8888 */
-#undef INIT_MONO_PIXEL
-#define INIT_MONO_PIXEL(p, color) \
- p = SISPACKCOLOR8888( color[0], color[1], color[2], color[3] )
-
-#define WRITE_RGBA( _x, _y, r, g, b, a ) \
- *(GLuint *)(buf + _x*4 + _y*smesa->drawPitch) = \
- (((a) << 24) | \
- ((r) << 16) | \
- ((g) << 8) | \
- ((b)))
-
-#define WRITE_PIXEL( _x, _y, p ) \
- *(GLuint *)(buf + _x*4 + _y*smesa->drawPitch) = p
+/* FIXME the old code always read back alpha as 0xff, i.e. fully opaque.
+ Was there a reason to do so ? If so that'll won't work with that template... */
+#define SPANTMP_PIXEL_FMT GL_BGRA
+#define SPANTMP_PIXEL_TYPE GL_UNSIGNED_INT_8_8_8_8_REV
-#define READ_RGBA( rgba, _x, _y ) \
-do { \
- GLuint p = *(GLuint *)(read_buf + _x*4 + _y*smesa->readPitch); \
- rgba[0] = (p >> 16) & 0xff; \
- rgba[1] = (p >> 8) & 0xff; \
- rgba[2] = (p >> 0) & 0xff; \
- rgba[3] = 0xff; \
-} while(0)
-
-#define TAG(x) sis##x##_8888
-#include "spantmp.h"
+#define TAG(x) sis##x##_ARGB8888
+#define TAG2(x,y) sis##x##_ARGB8888##y
+#include "spantmp2.h"
/* 16 bit depthbuffer functions.
*/
+#define VALUE_TYPE GLushort
+
#define WRITE_DEPTH( _x, _y, d ) \
- *(GLushort *)(buf + _x*2 + _y*smesa->depthPitch) = d;
+ *(GLushort *)(buf + (_x)*2 + (_y)*srb->pitch) = d;
#define READ_DEPTH( d, _x, _y ) \
- d = *(GLushort *)(buf + _x*2 + _y*smesa->depthPitch);
+ d = *(GLushort *)(buf + (_x)*2 + (_y)*srb->pitch);
-#define TAG(x) sis##x##_16
+#define TAG(x) sis##x##_z16
#include "depthtmp.h"
/* 32 bit depthbuffer functions.
*/
+#define VALUE_TYPE GLuint
+
#define WRITE_DEPTH( _x, _y, d ) \
- *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch) = d;
+ *(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch) = d;
#define READ_DEPTH( d, _x, _y ) \
- d = *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch);
+ d = *(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch);
-#define TAG(x) sis##x##_32
+#define TAG(x) sis##x##_z32
#include "depthtmp.h"
/* 8/24 bit interleaved depth/stencil functions
*/
+#define VALUE_TYPE GLuint
+
#define WRITE_DEPTH( _x, _y, d ) { \
- GLuint tmp = *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch); \
+ GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch); \
tmp &= 0xff000000; \
tmp |= (d & 0x00ffffff); \
- *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch) = tmp; \
+ *(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch) = tmp; \
}
-#define READ_DEPTH( d, _x, _y ) { \
- d = *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch) & 0x00ffffff; \
+#define READ_DEPTH( d, _x, _y ) { \
+ d = *(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch) & 0x00ffffff; \
}
-#define TAG(x) sis##x##_24_8
+#define TAG(x) sis##x##_z24_s8
#include "depthtmp.h"
#define WRITE_STENCIL( _x, _y, d ) { \
- GLuint tmp = *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch); \
+ GLuint tmp = *(GLuint *)(buf + (_x)*4 + (_y)*smesa->depth.pitch); \
tmp &= 0x00ffffff; \
tmp |= (d << 24); \
- *(GLuint *)(buf + _x*4 + _y*smesa->depthPitch) = tmp; \
+ *(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch) = tmp; \
}
#define READ_STENCIL( d, _x, _y ) \
- d = (*(GLuint *)(buf + _x*4 + _y*smesa->depthPitch) & 0xff000000) >> 24;
+ d = (*(GLuint *)(buf + (_x)*4 + (_y)*srb->pitch) & 0xff000000) >> 24;
-#define TAG(x) sis##x##_24_8
+#define TAG(x) sis##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 sisDDSetBuffer( GLcontext *ctx,
- GLframebuffer *colorBuffer,
- GLuint bufferBit )
-{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
- switch ( bufferBit ) {
- case FRONT_LEFT_BIT:
- smesa->drawOffset = smesa->readOffset = smesa->frontOffset;
- smesa->drawPitch = smesa->readPitch = smesa->frontPitch;
- break;
- case BACK_LEFT_BIT:
- smesa->drawOffset = smesa->readOffset = smesa->backOffset;
- smesa->drawPitch = smesa->readPitch = smesa->backPitch;
- break;
- default:
- break;
- }
-}
-static void sisSpanRenderStart( GLcontext *ctx )
+void sisSpanRenderStart( GLcontext *ctx )
{
sisContextPtr smesa = SIS_CONTEXT(ctx);
+ SIS_FIREVERTICES(smesa);
+ LOCK_HARDWARE();
WaitEngIdle( smesa );
}
-static void sisSpanRenderFinish( GLcontext *ctx )
+void sisSpanRenderFinish( GLcontext *ctx )
{
+ sisContextPtr smesa = SIS_CONTEXT(ctx);
+
_swrast_flush( ctx );
+ UNLOCK_HARDWARE();
}
void
sisDDInitSpanFuncs( GLcontext *ctx )
{
- sisContextPtr smesa = SIS_CONTEXT(ctx);
struct swrast_device_driver *swdd = _swrast_GetDeviceDriverReference(ctx);
+ swdd->SpanRenderStart = sisSpanRenderStart;
+ swdd->SpanRenderFinish = sisSpanRenderFinish;
+}
- swdd->SetBuffer = sisDDSetBuffer;
-
- switch (smesa->zFormat)
- {
- case SiS_ZFORMAT_Z16:
- swdd->ReadDepthSpan = sisReadDepthSpan_16;
- swdd->ReadDepthPixels = sisReadDepthPixels_16;
- swdd->WriteDepthSpan = sisWriteDepthSpan_16;
- swdd->WriteDepthPixels = sisWriteDepthPixels_16;
-
- swdd->ReadStencilSpan = NULL;
- swdd->ReadStencilPixels = NULL;
- swdd->WriteStencilSpan = NULL;
- swdd->WriteStencilPixels = NULL;
- break;
- case SiS_ZFORMAT_Z32:
- swdd->ReadDepthSpan = sisReadDepthSpan_32;
- swdd->ReadDepthPixels = sisReadDepthPixels_32;
- swdd->WriteDepthSpan = sisWriteDepthSpan_32;
- swdd->WriteDepthPixels = sisWriteDepthPixels_32;
-
- swdd->ReadStencilSpan = NULL;
- swdd->ReadStencilPixels = NULL;
- swdd->WriteStencilSpan = NULL;
- swdd->WriteStencilPixels = NULL;
- break;
- case SiS_ZFORMAT_S8Z24:
- swdd->ReadDepthSpan = sisReadDepthSpan_24_8;
- swdd->ReadDepthPixels = sisReadDepthPixels_24_8;
- swdd->WriteDepthSpan = sisWriteDepthSpan_24_8;
- swdd->WriteDepthPixels = sisWriteDepthPixels_24_8;
-
- swdd->ReadStencilSpan = sisReadStencilSpan_24_8;
- swdd->ReadStencilPixels = sisReadStencilPixels_24_8;
- swdd->WriteStencilSpan = sisWriteStencilSpan_24_8;
- swdd->WriteStencilPixels = sisWriteStencilPixels_24_8;
- break;
- }
-
- switch ( smesa->bytesPerPixel )
- {
- case 2:
- swdd->WriteRGBASpan = sisWriteRGBASpan_565;
- swdd->WriteRGBSpan = sisWriteRGBSpan_565;
- swdd->WriteMonoRGBASpan = sisWriteMonoRGBASpan_565;
- swdd->WriteRGBAPixels = sisWriteRGBAPixels_565;
- swdd->WriteMonoRGBAPixels = sisWriteMonoRGBAPixels_565;
- swdd->ReadRGBASpan = sisReadRGBASpan_565;
- swdd->ReadRGBAPixels = sisReadRGBAPixels_565;
- break;
- case 4:
- swdd->WriteRGBASpan = sisWriteRGBASpan_8888;
- swdd->WriteRGBSpan = sisWriteRGBSpan_8888;
- swdd->WriteMonoRGBASpan = sisWriteMonoRGBASpan_8888;
- swdd->WriteRGBAPixels = sisWriteRGBAPixels_8888;
- swdd->WriteMonoRGBAPixels = sisWriteMonoRGBAPixels_8888;
- swdd->ReadRGBASpan = sisReadRGBASpan_8888;
- swdd->ReadRGBAPixels = sisReadRGBAPixels_8888;
- break;
- default:
- assert(0);
- break;
- }
- swdd->WriteCI8Span = NULL;
- swdd->WriteCI32Span = NULL;
- swdd->WriteMonoCISpan = NULL;
- swdd->WriteCI32Pixels = NULL;
- swdd->WriteMonoCIPixels = NULL;
- swdd->ReadCI32Span = NULL;
- swdd->ReadCI32Pixels = NULL;
- swdd->SpanRenderStart = sisSpanRenderStart;
- swdd->SpanRenderFinish = sisSpanRenderFinish;
+/**
+ * Plug in the Get/Put routines for the given driRenderbuffer.
+ */
+void
+sisSetSpanFunctions(struct sis_renderbuffer *srb, const GLvisual *vis)
+{
+ if (srb->Base.InternalFormat == GL_RGBA) {
+ if (vis->redBits == 5 && vis->greenBits == 6 && vis->blueBits == 5) {
+ sisInitPointers_RGB565( &srb->Base );
+ }
+ else {
+ sisInitPointers_ARGB8888( &srb->Base );
+ }
+ }
+ else if (srb->Base.InternalFormat == GL_DEPTH_COMPONENT16) {
+ sisInitDepthPointers_z16(&srb->Base);
+ }
+ else if (srb->Base.InternalFormat == GL_DEPTH_COMPONENT24) {
+ sisInitDepthPointers_z24_s8(&srb->Base);
+ }
+ else if (srb->Base.InternalFormat == GL_DEPTH_COMPONENT32) {
+ sisInitDepthPointers_z32(&srb->Base);
+ }
+ else if (srb->Base.InternalFormat == GL_STENCIL_INDEX8_EXT) {
+ sisInitStencilPointers_z24_s8(&srb->Base);
+ }
}
projects / mesa.git / blobdiff