mesa: Branch 'master'
Jerome Glisse
glisse at kemper.freedesktop.org
Thu Mar 1 19:39:32 UTC 2007
src/mesa/drivers/dri/r300/r300_reg.h | 4 ++++
src/mesa/drivers/dri/r300/r300_state.c | 14 +++++++-------
2 files changed, 11 insertions(+), 7 deletions(-)
New commits:
diff-tree ad3f2107ed698e794871e0a2bd996260b263b46a (from 5cb01764f647be7ca3cb5e891af9fe012914a93d)
Author: Christoph Bill <egore at gmx.de>
Date: Thu Mar 1 20:40:25 2007 +0100
Add early register descritpion.
This need more work on case where we can disable
or enable early (stencil, alpha might need it to
be disable).
diff --git a/src/mesa/drivers/dri/r300/r300_reg.h b/src/mesa/drivers/dri/r300/r300_reg.h
index 9f636ec..6abcfa4 100644
--- a/src/mesa/drivers/dri/r300/r300_reg.h
+++ b/src/mesa/drivers/dri/r300/r300_reg.h
@@ -1378,6 +1378,10 @@ USE OR OTHER DEALINGS IN THE SOFTWARE.
/* 16 bit format or some aditional bit ? */
# define R300_DEPTH_FORMAT_UNK32 (32 << 0)
+#define R300_RB3D_EARLY_Z 0x4F14
+# define R300_EARLY_Z_DISABLE (0 << 0)
+# define R300_EARLY_Z_ENABLE (1 << 0)
+
/* gap */
#define R300_RB3D_DEPTHOFFSET 0x4F20
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index b30ece1..0e33e51 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -328,24 +328,24 @@ static void r300UpdateCulling(GLcontext*
static void update_early_z(GLcontext *ctx)
{
- /* updates register 0x4f14
- if depth test is not enabled it should be 0x00000000
- if depth is enabled and alpha not it should be 0x00000001
- if depth and alpha is enabled it should be 0x00000000
+ /* updates register R300_RB3D_EARLY_Z (0x4F14)
+ if depth test is not enabled it should be R300_EARLY_Z_DISABLE
+ if depth is enabled and alpha not it should be R300_EARLY_Z_ENABLE
+ if depth and alpha is enabled it should be R300_EARLY_Z_DISABLE
*/
r300ContextPtr r300 = R300_CONTEXT(ctx);
R300_STATECHANGE(r300, unk4F10);
if (ctx->Color.AlphaEnabled && ctx->Color.AlphaFunc != GL_ALWAYS)
/* disable early Z */
- r300->hw.unk4F10.cmd[2] = 0x00000000;
+ r300->hw.unk4F10.cmd[2] = R300_EARLY_Z_DISABLE;
else {
if (ctx->Depth.Test && ctx->Depth.Func != GL_NEVER)
/* enable early Z */
- r300->hw.unk4F10.cmd[2] = 0x00000001;
+ r300->hw.unk4F10.cmd[2] = R300_EARLY_Z_ENABLE;
else
/* disable early Z */
- r300->hw.unk4F10.cmd[2] = 0x00000000;
+ r300->hw.unk4F10.cmd[2] = R300_EARLY_Z_DISABLE;
}
}
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