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Diffstat (limited to 'xc/extras/Mesa/src/FX/fxddspan.c')
-rw-r--r--xc/extras/Mesa/src/FX/fxddspan.c485
1 files changed, 50 insertions, 435 deletions
diff --git a/xc/extras/Mesa/src/FX/fxddspan.c b/xc/extras/Mesa/src/FX/fxddspan.c
index b120ff689..b950b3f1c 100644
--- a/xc/extras/Mesa/src/FX/fxddspan.c
+++ b/xc/extras/Mesa/src/FX/fxddspan.c
@@ -72,11 +72,6 @@
static FxBool writeRegionClipped(fxMesaContext fxMesa, GrBuffer_t dst_buffer,
FxU32 dst_x, FxU32 dst_y, GrLfbSrcFmt_t src_format,
FxU32 src_width, FxU32 src_height, FxI32 src_stride,
- void *src_data);
-
-FxBool writeRegionClipped(fxMesaContext fxMesa, GrBuffer_t dst_buffer,
- FxU32 dst_x, FxU32 dst_y, GrLfbSrcFmt_t src_format,
- FxU32 src_width, FxU32 src_height, FxI32 src_stride,
void *src_data)
{
int i, x, w, srcElt;
@@ -401,7 +396,7 @@ static void fxDDReadRGBAPixels(const GLcontext *ctx,
{
fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
GLuint i;
- GLint bottom=fxMesa->height+fxMesa->y_offset-1;
+ GLint bottom=fxMesa->y_delta-1;
if (MESA_VERBOSE&VERBOSE_DRIVER) {
fprintf(stderr,"fxmesa: fxDDReadRGBAPixels(...)\n");
@@ -424,30 +419,37 @@ static void fxDDReadRGBAPixels(const GLcontext *ctx,
/***** Depth functions *****/
/************************************************************************/
-void fxDDReadDepthSpanFloat(GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLfloat depth[])
+void fxDDWriteDepthSpan(GLcontext *ctx,
+ GLuint n, GLint x, GLint y, const GLdepth depth[],
+ const GLubyte mask[])
{
fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLuint i;
GLint bottom=fxMesa->height+fxMesa->y_offset-1;
- GLushort data[MAX_WIDTH];
if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDReadDepthSpanFloat(...)\n");
+ fprintf(stderr,"fxmesa: fxDDReadDepthSpanInt(...)\n");
}
- x+=fxMesa->x_offset;
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,n,1,0,data);
+ x += fxMesa->x_offset;
- /*
- convert the read values to float values [0.0 .. 1.0].
- */
- for(i=0;i<n;i++)
- depth[i]=data[i]/65535.0f;
+ if (mask) {
+ GLint i;
+ for (i = 0; i < n; i++) {
+ if (mask[i]) {
+ writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER, x + i, bottom-y,
+ GR_LFB_SRC_FMT_ZA16, 1, 1, 0, (void *) &depth[i]);
+ }
+ }
+ }
+ else {
+ writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER, x, bottom-y,
+ GR_LFB_SRC_FMT_ZA16, n, 1, 0, (void *) depth);
+ }
}
-void fxDDReadDepthSpanInt(GLcontext *ctx,
- GLuint n, GLint x, GLint y, GLdepth depth[])
+
+void fxDDReadDepthSpan(GLcontext *ctx,
+ GLuint n, GLint x, GLint y, GLdepth depth[])
{
fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
GLint bottom=fxMesa->height+fxMesa->y_offset-1;
@@ -460,440 +462,53 @@ void fxDDReadDepthSpanInt(GLcontext *ctx,
FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,n,1,0,depth);
}
-GLuint fxDDDepthTestSpanGeneric(GLcontext *ctx,
- GLuint n, GLint x, GLint y, const GLdepth z[],
- GLubyte mask[])
+
+
+void fxDDWriteDepthPixels(GLcontext *ctx,
+ GLuint n, const GLint x[], const GLint y[],
+ const GLdepth depth[], const GLubyte mask[])
{
fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLushort depthdata[MAX_WIDTH];
- GLdepth *zptr=depthdata;
- GLubyte *m=mask;
- GLuint i;
- GLuint passed=0;
GLint bottom=fxMesa->height+fxMesa->y_offset-1;
+ GLuint i;
if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDDepthTestSpanGeneric(...)\n");
+ fprintf(stderr,"fxmesa: fxDDReadDepthSpanInt(...)\n");
}
- x+=fxMesa->x_offset;
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x,bottom-y,n,1,0,depthdata);
-
- /* switch cases ordered from most frequent to less frequent */
- switch (ctx->Depth.Func) {
- case GL_LESS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++,zptr++,m++) {
- if (*m) {
- if (z[i] < *zptr) {
- /* pass */
- *zptr = z[i];
- passed++;
- } else {
- /* fail */
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++,zptr++,m++) {
- if (*m) {
- if (z[i] < *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
+ for (i = 0; i < n; i++) {
+ if (mask[i]) {
+ int xpos = x[i] + fxMesa->x_offset;
+ int ypos = bottom - y[i];
+ writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER, xpos, ypos,
+ GR_LFB_SRC_FMT_ZA16, 1, 1, 0, (void *) &depth[i]);
}
- break;
- case GL_LEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] <= *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] <= *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_GEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] >= *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] >= *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_GREATER:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] > *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] > *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_NOTEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] != *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] != *zptr) {
- /* pass */
- passed++;
- } else {
- *m = 0;
- }
- }
- }
- }
- break;
- case GL_EQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] == *zptr) {
- *zptr = z[i];
- passed++;
- } else {
- *m =0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- if (z[i] == *zptr) {
- /* pass */
- passed++;
- } else {
- *m =0;
- }
- }
- }
- }
- break;
- case GL_ALWAYS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0;i<n;i++,zptr++,m++) {
- if (*m) {
- *zptr = z[i];
- passed++;
- }
- }
- } else {
- /* Don't update Z buffer or mask */
- passed = n;
- }
- break;
- case GL_NEVER:
- for (i=0;i<n;i++) {
- mask[i] = 0;
- }
- break;
- default:
- ;
- } /*switch*/
-
- if(passed)
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x,bottom-y,GR_LFB_SRC_FMT_ZA16,n,1,0,depthdata);
-
- return passed;
+ }
}
-void fxDDDepthTestPixelsGeneric(GLcontext* ctx,
- GLuint n, const GLint x[], const GLint y[],
- const GLdepth z[], GLubyte mask[])
+
+void fxDDReadDepthPixels(GLcontext *ctx, GLuint n,
+ const GLint x[], const GLint y[], GLdepth depth[])
{
fxMesaContext fxMesa=(fxMesaContext)ctx->DriverCtx;
- GLdepth zval;
- GLuint i;
GLint bottom=fxMesa->height+fxMesa->y_offset-1;
+ GLuint i;
if (MESA_VERBOSE&VERBOSE_DRIVER) {
- fprintf(stderr,"fxmesa: fxDDDepthTestPixelsGeneric(...)\n");
+ fprintf(stderr,"fxmesa: fxDDReadDepthSpanInt(...)\n");
}
- /* switch cases ordered from most frequent to less frequent */
- switch (ctx->Depth.Func) {
- case GL_LESS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] < zval) {
- /* pass */
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] < zval) {
- /* pass */
- }
- else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_LEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] <= zval) {
- /* pass */
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] <= zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_GEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] >= zval) {
- /* pass */
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] >= zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_GREATER:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] > zval) {
- /* pass */
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] > zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_NOTEQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] != zval) {
- /* pass */
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] != zval) {
- /* pass */
- }
- else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_EQUAL:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] == zval) {
- /* pass */
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- } else {
- /* Don't update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],1,1,0,&zval);
- if (z[i] == zval) {
- /* pass */
- } else {
- /* fail */
- mask[i] = 0;
- }
- }
- }
- }
- break;
- case GL_ALWAYS:
- if (ctx->Depth.Mask) {
- /* Update Z buffer */
- for (i=0; i<n; i++) {
- if (mask[i]) {
- writeRegionClipped(fxMesa, GR_BUFFER_AUXBUFFER,x[i]+fxMesa->x_offset,bottom-y[i],GR_LFB_SRC_FMT_ZA16,1,1,0,(void*)&z[i]);
- }
- }
- } else {
- /* Don't update Z buffer or mask */
- }
- break;
- case GL_NEVER:
- /* depth test never passes */
- for (i=0;i<n;i++) {
- mask[i] = 0;
- }
- break;
- default:
- ;
- } /*switch*/
+
+ for (i = 0; i < n; i++) {
+ int xpos = x[i] + fxMesa->x_offset;
+ int ypos = bottom - y[i];
+ FX_grLfbReadRegion(GR_BUFFER_AUXBUFFER,xpos,ypos,1,1,0,&depth[i]);
+ }
}
+
+
+
/************************************************************************/
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