diff options
| author | Aapo Tahkola <aet@rasterburn.org> | 2007-01-18 05:56:13 +0200 |
|---|---|---|
| committer | Aapo Tahkola <aet@rasterburn.org> | 2007-01-18 05:56:13 +0200 |
| commit | 62efc4ba3eb53ca75abbe9b52feabe49a5fd56b5 (patch) | |
| tree | 2bb570cfed38ce7747d802de0b4a3e595901625f /src/mesa/drivers/dri/r300/r300_state.c | |
| parent | 3bfbe63806cee1c44da2625daf069b719f2a6097 (diff) | |
support as much of GL_EXT_stencil_two_side as we can. untested.
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 27 |
1 files changed, 19 insertions, 8 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 72255066d5..6a22ccad2f 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -509,7 +509,6 @@ static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state) if (r300->state.stencil.hw_stencil) { R300_STATECHANGE(r300, zs); if (state) { - WARN_ONCE("TODO - double side stencil !\n"); r300->hw.zs.cmd[R300_ZS_CNTL_0] |= R300_RB3D_STENCIL_ENABLE; } else { @@ -863,9 +862,12 @@ static void r300StencilFuncSeparate(GLcontext * ctx, GLenum face, (R300_RB3D_ZS2_STENCIL_MASK << R300_RB3D_ZS2_STENCIL_MASK_SHIFT)); flag = translate_func(ctx->Stencil.Function[0]); - - rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= (flag << R300_RB3D_ZS1_FRONT_FUNC_SHIFT) - | (flag << R300_RB3D_ZS1_BACK_FUNC_SHIFT); + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= (flag << R300_RB3D_ZS1_FRONT_FUNC_SHIFT); + + if (ctx->Stencil._TestTwoSide) + flag = translate_func(ctx->Stencil.Function[1]); + + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= (flag << R300_RB3D_ZS1_BACK_FUNC_SHIFT); rmesa->hw.zs.cmd[R300_ZS_CNTL_2] |= refmask; } @@ -894,10 +896,19 @@ static void r300StencilOpSeparate(GLcontext * ctx, GLenum face, GLenum fail, rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= (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); + |(translate_stencil_op(ctx->Stencil.ZPassFunc[0]) << R300_RB3D_ZS1_FRONT_ZPASS_OP_SHIFT); + + if (ctx->Stencil._TestTwoSide) { + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (translate_stencil_op(ctx->Stencil.FailFunc[1]) << R300_RB3D_ZS1_BACK_FAIL_OP_SHIFT) + |(translate_stencil_op(ctx->Stencil.ZFailFunc[1]) << R300_RB3D_ZS1_BACK_ZFAIL_OP_SHIFT) + |(translate_stencil_op(ctx->Stencil.ZPassFunc[1]) << R300_RB3D_ZS1_BACK_ZPASS_OP_SHIFT); + } else { + rmesa->hw.zs.cmd[R300_ZS_CNTL_1] |= + (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); + } } static void r300ClearStencil(GLcontext * ctx, GLint s) |