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authorBrian Paul <brian.paul@tungstengraphics.com>2003-04-21 15:02:17 +0000
committerBrian Paul <brian.paul@tungstengraphics.com>2003-04-21 15:02:17 +0000
commite5b244ff7f984805c1bcc020342f1300f2639c71 (patch)
tree2662820db42730bb1f0269a2aef440309a81d083 /src/mesa/swrast/s_span.c
parent2780bb824f542c47d5412a3909eaa84ed3f13451 (diff)
Implemented GL_EXT_depth_bounds_test.
Diffstat (limited to 'src/mesa/swrast/s_span.c')
-rw-r--r--src/mesa/swrast/s_span.c22
1 files changed, 21 insertions, 1 deletions
diff --git a/src/mesa/swrast/s_span.c b/src/mesa/swrast/s_span.c
index 231e549c5ae..cce69b8c439 100644
--- a/src/mesa/swrast/s_span.c
+++ b/src/mesa/swrast/s_span.c
@@ -792,6 +792,13 @@ _swrast_write_index_span( GLcontext *ctx, struct sw_span *span)
}
}
+ /* Depth bounds test */
+ if (ctx->Depth.BoundsTest && ctx->Visual.depthBits > 0) {
+ if (!_swrast_depth_bounds_test(ctx, span)) {
+ return;
+ }
+ }
+
#ifdef DEBUG
if (span->arrayMask & SPAN_XY) {
GLuint i;
@@ -962,6 +969,13 @@ _swrast_write_rgba_span( GLcontext *ctx, struct sw_span *span)
}
}
+ /* Depth bounds test */
+ if (ctx->Depth.BoundsTest && ctx->Visual.depthBits > 0) {
+ if (!_swrast_depth_bounds_test(ctx, span)) {
+ return;
+ }
+ }
+
#ifdef DEBUG
if (span->arrayMask & SPAN_XY) {
GLuint i;
@@ -1168,6 +1182,7 @@ _swrast_write_texture_span( GLcontext *ctx, struct sw_span *span)
{
const GLuint colorMask = *((GLuint *) ctx->Color.ColorMask);
SWcontext *swrast = SWRAST_CONTEXT(ctx);
+ const GLuint origInterpMask = span->interpMask;
const GLuint origArrayMask = span->arrayMask;
ASSERT(span->primitive == GL_POINT || span->primitive == GL_LINE ||
@@ -1253,6 +1268,7 @@ _swrast_write_texture_span( GLcontext *ctx, struct sw_span *span)
if (ctx->Stencil.Enabled) {
if (!_swrast_stencil_and_ztest_span(ctx, span)) {
+ span->interpMask = origInterpMask;
span->arrayMask = origArrayMask;
return;
}
@@ -1262,6 +1278,7 @@ _swrast_write_texture_span( GLcontext *ctx, struct sw_span *span)
ASSERT(span->arrayMask & SPAN_Z);
/* regular depth testing */
if (!_swrast_depth_test_span(ctx, span)) {
+ span->interpMask = origInterpMask;
span->arrayMask = origArrayMask;
return;
}
@@ -1275,6 +1292,7 @@ _swrast_write_texture_span( GLcontext *ctx, struct sw_span *span)
* the occlusion test.
*/
if (colorMask == 0x0) {
+ span->interpMask = origInterpMask;
span->arrayMask = origArrayMask;
return;
}
@@ -1336,11 +1354,12 @@ _swrast_write_texture_span( GLcontext *ctx, struct sw_span *span)
_swrast_blend_span(ctx, span, span->array->rgba);
}
+ /* Color component masking */
if (colorMask != 0xffffffff) {
_swrast_mask_rgba_span(ctx, span, span->array->rgba);
}
-
+ /* write pixels */
if (span->arrayMask & SPAN_XY) {
/* array of pixel coords */
(*swrast->Driver.WriteRGBAPixels)(ctx, span->end, span->array->x,
@@ -1365,6 +1384,7 @@ _swrast_write_texture_span( GLcontext *ctx, struct sw_span *span)
}
}
+ span->interpMask = origInterpMask;
span->arrayMask = origArrayMask;
}