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path: root/src/mesa/drivers/dri/r300/r300_state.c
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Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_state.c')
-rw-r--r--src/mesa/drivers/dri/r300/r300_state.c126
1 files changed, 73 insertions, 53 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c
index cc6328b2401..048f62572cd 100644
--- a/src/mesa/drivers/dri/r300/r300_state.c
+++ b/src/mesa/drivers/dri/r300/r300_state.c
@@ -472,11 +472,22 @@ static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state)
break;
case GL_STENCIL_TEST:
+
+ {
+ static int stencil=1;
+ if(stencil){
+ fprintf(stderr, "%s:%s - do not know how to enable stencil. Help me !\n",
+ __FILE__, __FUNCTION__);
+ stencil=0;
+ }
+ }
+
if (r300->state.hw_stencil) {
+ //fprintf(stderr, "Stencil %s\n", state ? "enabled" : "disabled");
R300_STATECHANGE(r300, zs);
if (state) {
r300->hw.zs.cmd[R300_ZS_CNTL_0] |=
- R300_STENCIL_ENABLE;
+ R300_STENCIL_ENABLE;
} else {
r300->hw.zs.cmd[R300_ZS_CNTL_0] &=
~R300_STENCIL_ENABLE;
@@ -614,68 +625,38 @@ static void r300PointSize(GLcontext * ctx, GLfloat size)
* Stencil
*/
-static void r300StencilFunc(GLcontext * ctx, GLenum func,
- GLint ref, GLuint mask)
-{
- r300ContextPtr rmesa = R300_CONTEXT(ctx);
- GLuint refmask = ((ctx->Stencil.Ref[0] << R300_RB3D_ZS2_STENCIL_REF_SHIFT) |
- (ctx->Stencil.
- ValueMask[0] << R300_RB3D_ZS2_STENCIL_MASK_SHIFT));
-
- R200_STATECHANGE(rmesa, zs);
-
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= ~(R300_ZS_MASK << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT);
- rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &= ~((R300_ZS_MASK << R300_RB3D_ZS2_STENCIL_REF_SHIFT) |
- (R300_ZS_MASK << R300_RB3D_ZS2_STENCIL_MASK_SHIFT));
-
- switch (ctx->Stencil.Function[0]) {
+ static int translate_stencil_func(int func)
+ {
+ switch (func) {
case GL_NEVER:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_NEVER << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_NEVER;
break;
case GL_LESS:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_LESS << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_LESS;
break;
case GL_EQUAL:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_EQUAL << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_EQUAL;
break;
case GL_LEQUAL:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_LEQUAL << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_LEQUAL;
break;
case GL_GREATER:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_GREATER << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_GREATER;
break;
case GL_NOTEQUAL:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_NOTEQUAL << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_NOTEQUAL;
break;
case GL_GEQUAL:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_GEQUAL << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_GEQUAL;
break;
case GL_ALWAYS:
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- R300_ZS_ALWAYS << R300_RB3D_ZS1_STENCIL_FUNC_SHIFT;
+ return R300_ZS_ALWAYS;
break;
}
-
- rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= refmask;
-}
-
-static void r300StencilMask(GLcontext * ctx, GLuint mask)
-{
- r300ContextPtr rmesa = R300_CONTEXT(ctx);
-
- R200_STATECHANGE(rmesa, zs);
- rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &= ~(R300_ZS_MASK << R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT);
- rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= ctx->Stencil.WriteMask[0] << R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT;
-}
-
-static int translate_stencil_op(int op)
+ return 0;
+ }
+
+ static int translate_stencil_op(int op)
{
switch (op) {
case GL_KEEP:
@@ -697,21 +678,56 @@ static int translate_stencil_op(int op)
}
}
+static void r300StencilFunc(GLcontext * ctx, GLenum func,
+ GLint ref, GLuint mask)
+{
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+ GLuint refmask = ((ctx->Stencil.Ref[0] << R300_RB3D_ZS2_STENCIL_REF_SHIFT) |
+ (ctx->Stencil.
+ ValueMask[0] << R300_RB3D_ZS2_STENCIL_MASK_SHIFT));
+ GLuint func;
+
+ R200_STATECHANGE(rmesa, zs);
+
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= ~(
+ (R300_ZS_MASK << R300_RB3D_ZS1_FRONT_FUNC_SHIFT)
+ | (R300_ZS_MASK << R300_RB3D_ZS1_BACK_FUNC_SHIFT));
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &= ~((R300_ZS_MASK << R300_RB3D_ZS2_STENCIL_REF_SHIFT) |
+ (R300_ZS_MASK << R300_RB3D_ZS2_STENCIL_MASK_SHIFT));
+
+ func = translate_stencil_func(ctx->Stencil.Function[0]);
+
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= (func << R300_RB3D_ZS1_FRONT_FUNC_SHIFT)
+ | (func << R300_RB3D_ZS1_BACK_FUNC_SHIFT);
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= refmask;
+}
+
+static void r300StencilMask(GLcontext * ctx, GLuint mask)
+{
+ r300ContextPtr rmesa = R300_CONTEXT(ctx);
+
+ R200_STATECHANGE(rmesa, zs);
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_2] &= ~(R300_ZS_MASK << R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT);
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= ctx->Stencil.WriteMask[0] << R300_RB3D_ZS2_STENCIL_WRITE_MASK_SHIFT;
+}
+
+
static void r300StencilOp(GLcontext * ctx, GLenum fail,
GLenum zfail, GLenum zpass)
{
r300ContextPtr rmesa = R300_CONTEXT(ctx);
R200_STATECHANGE(rmesa, zs);
- rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= ~((R300_ZS_MASK << R300_RB3D_ZS1_STENCIL_FAIL_OP_SHIFT)
- | (R300_ZS_MASK << R300_RB3D_ZS1_STENCIL_ZPASS_OP_SHIFT)
- | (R300_ZS_MASK << R300_RB3D_ZS1_STENCIL_ZFAIL_OP_SHIFT)
- );
+ /* It is easier to mask what's left.. */
+ rmesa->hw.zs.cmd[R300_ZS_CNTL_1] &= (R300_ZS_MASK << R300_RB3D_ZS1_DEPTH_FUNC_SHIFT);
rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |=
- (translate_stencil_op(ctx->Stencil.FailFunc[0]) << R300_RB3D_ZS1_STENCIL_FAIL_OP_SHIFT)
- |(translate_stencil_op(ctx->Stencil.ZFailFunc[0]) << R300_RB3D_ZS1_STENCIL_ZFAIL_OP_SHIFT)
- |(translate_stencil_op(ctx->Stencil.ZPassFunc[0]) << R300_RB3D_ZS1_STENCIL_ZPASS_OP_SHIFT);
+ (translate_stencil_op(ctx->Stencil.FailFunc[0]) << R300_RB3D_ZS1_FRONT_FAIL_OP_SHIFT)
+ |(translate_stencil_op(ctx->Stencil.ZFailFunc[0]) << R300_RB3D_ZS1_FRONT_ZFAIL_OP_SHIFT)
+ |(translate_stencil_op(ctx->Stencil.ZPassFunc[0]) << R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT)
+ |(translate_stencil_op(ctx->Stencil.FailFunc[0]) << R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT)
+ |(translate_stencil_op(ctx->Stencil.ZFailFunc[0]) << R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT)
+ |(translate_stencil_op(ctx->Stencil.ZPassFunc[0]) << R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT);
}
@@ -1689,6 +1705,7 @@ void r300ResetHwState(r300ContextPtr r300)
r300->hw.at.cmd[R300_AT_ALPHA_TEST] = 0;
#endif
+ r300->hw.at.cmd[R300_AT_UNKNOWN] = 0;
r300->hw.unk4BD8.cmd[1] = 0;
r300->hw.unk4E00.cmd[1] = 0;
@@ -1728,6 +1745,9 @@ void r300ResetHwState(r300ContextPtr r300)
r300->hw.unk4F10.cmd[3] = 0x00000003;
r300->hw.unk4F10.cmd[4] = 0x00000000;
+ /* experiment a bit */
+ r300->hw.unk4F10.cmd[2] = 0x00000001; // depthbuffer format?
+
r300->hw.zb.cmd[R300_ZB_OFFSET] =
r300->radeon.radeonScreen->depthOffset +
r300->radeon.radeonScreen->fbLocation;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-02 21:41:50 +0000