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authorNicolai Haehnle <prefect_@gmx.net>2004-10-24 06:17:20 +0000
committerNicolai Haehnle <prefect_@gmx.net>2004-10-24 06:17:20 +0000
commit5a9fd2afc67ce526c5255505c2e35fb3a9495112 (patch)
tree259092f4e53e7b804497f6a02e5935876f0c367a
parentd586540eaf43a61e53a0c0e4b087d2757f0f4ca5 (diff)
Implement ColorMask
-rw-r--r--src/mesa/drivers/dri/r300/r300_ioctl.c14
-rw-r--r--src/mesa/drivers/dri/r300/r300_state.c30
2 files changed, 35 insertions, 9 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_ioctl.c b/src/mesa/drivers/dri/r300/r300_ioctl.c
index 8ce1bd22e6..f6a3d8140c 100644
--- a/src/mesa/drivers/dri/r300/r300_ioctl.c
+++ b/src/mesa/drivers/dri/r300/r300_ioctl.c
@@ -110,10 +110,15 @@ static void r300ClearBuffer(r300ContextPtr r300, int flags, int buffer)
r300->hw.rr.cmd[1] = 0x00004000;
R300_STATECHANGE(r300, cmk);
- if (flags & CLEARBUFFER_COLOR)
- r300->hw.cmk.cmd[R300_CMK_COLORMASK] = 0xF;
- else
+ if (flags & CLEARBUFFER_COLOR) {
+ r300->hw.cmk.cmd[R300_CMK_COLORMASK] =
+ (ctx->Color.ColorMask[BCOMP] ? R300_COLORMASK0_B : 0) |
+ (ctx->Color.ColorMask[GCOMP] ? R300_COLORMASK0_G : 0) |
+ (ctx->Color.ColorMask[RCOMP] ? R300_COLORMASK0_R : 0) |
+ (ctx->Color.ColorMask[ACOMP] ? R300_COLORMASK0_A : 0);
+ } else {
r300->hw.cmk.cmd[R300_CMK_COLORMASK] = 0;
+ }
R300_STATECHANGE(r300, fp);
r300->hw.fp.cmd[R300_FP_CNTL0] = 0; /* 1 pass, no textures */
@@ -234,8 +239,7 @@ static void r300Clear(GLcontext * ctx, GLbitfield mask, GLboolean all,
}
if (mask & DD_DEPTH_BIT) {
- if (ctx->Depth.Mask)
- bits |= CLEARBUFFER_DEPTH;
+ bits |= CLEARBUFFER_DEPTH;
mask &= ~DD_DEPTH_BIT;
}
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index f28c677bf1..df71995b5e 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -77,6 +77,22 @@ static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state)
/**
+ * Handle glColorMask()
+ */
+static void r300ColorMask(GLcontext* ctx,
+ GLboolean r, GLboolean g, GLboolean b, GLboolean a)
+{
+ r300ContextPtr r300 = R300_CONTEXT(ctx);
+ int mask = (b << 0) | (g << 1) | (r << 2) | (a << 3);
+
+ if (mask != r300->hw.cmk.cmd[R300_CMK_COLORMASK]) {
+ R300_STATECHANGE(r300, cmk);
+ r300->hw.cmk.cmd[R300_CMK_COLORMASK] = mask;
+ }
+}
+
+
+/**
* Called by Mesa after an internal state update.
*/
static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
@@ -99,6 +115,7 @@ static void r300InvalidateState(GLcontext * ctx, GLuint new_state)
*/
void r300ResetHwState(r300ContextPtr r300)
{
+ GLcontext* ctx = r300->radeon.glCtx;
int i;
if (RADEON_DEBUG & DEBUG_STATE)
@@ -108,7 +125,7 @@ void r300ResetHwState(r300ContextPtr r300)
__DRIdrawablePrivate *dPriv = r300->radeon.dri.drawable;
GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0;
GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0;
- const GLfloat *v = r300->radeon.glCtx->Viewport._WindowMap.m;
+ const GLfloat *v = ctx->Viewport._WindowMap.m;
r300->hw.vpt.cmd[R300_VPT_XSCALE] =
r300PackFloat32(v[MAT_SX]);
@@ -124,6 +141,12 @@ void r300ResetHwState(r300ContextPtr r300)
r300PackFloat32(v[MAT_TZ]);
}
+ r300->hw.cmk.cmd[R300_CMK_COLORMASK] =
+ (ctx->Color.ColorMask[BCOMP] ? R300_COLORMASK0_B : 0) |
+ (ctx->Color.ColorMask[GCOMP] ? R300_COLORMASK0_G : 0) |
+ (ctx->Color.ColorMask[RCOMP] ? R300_COLORMASK0_R : 0) |
+ (ctx->Color.ColorMask[ACOMP] ? R300_COLORMASK0_A : 0);
+
//BEGIN: TODO
r300->hw.unk2080.cmd[1] = 0x0030045A;
@@ -267,8 +290,6 @@ void r300ResetHwState(r300ContextPtr r300)
r300->hw.bld.cmd[R300_BLD_CBLEND] = 0;
r300->hw.bld.cmd[R300_BLD_ABLEND] = 0;
- r300->hw.cmk.cmd[R300_CMK_COLORMASK] = 0xF;
-
r300->hw.unk4E10.cmd[1] = 0;
r300->hw.unk4E10.cmd[2] = 0;
r300->hw.unk4E10.cmd[3] = 0;
@@ -360,6 +381,7 @@ void r300InitStateFuncs(struct dd_function_table* functions)
radeonInitStateFuncs(functions);
functions->UpdateState = r300InvalidateState;
- functions->Enable= r300Enable;
+ functions->Enable = r300Enable;
+ functions->ColorMask = r300ColorMask;
}