diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 158 |
1 files changed, 149 insertions, 9 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index df71995b5e..48f01643aa 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -59,16 +59,66 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. /** + * Update our tracked culling state based on Mesa's state. + */ +static void r300UpdateCulling(GLcontext* ctx) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + uint32_t val = 0; + + R300_STATECHANGE(r300, cul); + if (ctx->Polygon.CullFlag) { + if (ctx->Polygon.CullFaceMode == GL_FRONT_AND_BACK) + val = R300_CULL_FRONT|R300_CULL_BACK; + else if (ctx->Polygon.CullFaceMode == GL_FRONT) + val = R300_CULL_FRONT; + else + val = R300_CULL_BACK; + + if (ctx->Polygon.FrontFace == GL_CW) + val |= R300_FRONT_FACE_CW; + else + val |= R300_FRONT_FACE_CCW; + } + + r300->hw.cul.cmd[R300_CUL_CULL] = val; +} + + +/** * Handle glEnable()/glDisable(). + * + * \note Mesa already filters redundant calls to glEnable/glDisable. */ static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state) { + r300ContextPtr r300 = R300_CONTEXT(ctx); + uint32_t newval; + if (RADEON_DEBUG & DEBUG_STATE) fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__, _mesa_lookup_enum_by_nr(cap), state ? "GL_TRUE" : "GL_FALSE"); switch (cap) { + case GL_DEPTH_TEST: + R300_STATECHANGE(r300, zc); + + if (state) { + if (ctx->Depth.Mask) + newval = R300_RB3D_Z_TEST_AND_WRITE; + else + newval = R300_RB3D_Z_TEST; + } else + newval = 0; + + r300->hw.zc.cmd[R300_ZC_CNTL_0] = newval; + break; + + case GL_CULL_FACE: + r300UpdateCulling(ctx); + break; + default: radeonEnable(ctx, cap, state); return; @@ -77,6 +127,90 @@ static void r300Enable(GLcontext* ctx, GLenum cap, GLboolean state) /** + * Change the culling mode. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300CullFace(GLcontext* ctx, GLenum mode) +{ + (void)mode; + + r300UpdateCulling(ctx); +} + + +/** + * Change the polygon orientation. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300FrontFace(GLcontext* ctx, GLenum mode) +{ + (void)mode; + + r300UpdateCulling(ctx); +} + + +/** + * Change the depth testing function. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300DepthFunc(GLcontext* ctx, GLenum func) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + R300_STATECHANGE(r300, zc); + + switch(func) { + case GL_NEVER: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEVER; + break; + case GL_LESS: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LESS; + break; + case GL_EQUAL: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_EQUAL; + break; + case GL_LEQUAL: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_LEQUAL; + break; + case GL_GREATER: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GREATER; + break; + case GL_NOTEQUAL: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_NEQUAL; + break; + case GL_GEQUAL: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_GEQUAL; + break; + case GL_ALWAYS: + r300->hw.zc.cmd[R300_ZC_CNTL_1] = R300_Z_TEST_ALWAYS; + break; + } +} + + +/** + * Enable/Disable depth writing. + * + * \note Mesa already filters redundant calls to this function. + */ +static void r300DepthMask(GLcontext* ctx, GLboolean mask) +{ + r300ContextPtr r300 = R300_CONTEXT(ctx); + + if (!ctx->Depth.Test) + return; + + R300_STATECHANGE(r300, zc); + r300->hw.zc.cmd[R300_ZC_CNTL_0] = mask + ? R300_RB3D_Z_TEST_AND_WRITE : R300_RB3D_Z_TEST; +} + + +/** * Handle glColorMask() */ static void r300ColorMask(GLcontext* ctx, @@ -141,11 +275,17 @@ 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); + r300ColorMask(ctx, + ctx->Color.ColorMask[RCOMP], + ctx->Color.ColorMask[GCOMP], + ctx->Color.ColorMask[BCOMP], + ctx->Color.ColorMask[ACOMP]); + + r300Enable(ctx, GL_DEPTH_TEST, ctx->Depth.Test); + r300DepthMask(ctx, ctx->Depth.Mask); + r300DepthFunc(ctx, ctx->Depth.Func); + + r300UpdateCulling(ctx); //BEGIN: TODO r300->hw.unk2080.cmd[1] = 0x0030045A; @@ -233,7 +373,6 @@ void r300ResetHwState(r300ContextPtr r300) r300->hw.unk42A0.cmd[1] = 0x00000000; r300->hw.unk42B4.cmd[1] = 0x00000000; - r300->hw.unk42B4.cmd[2] = 0x00000000; r300->hw.unk42C0.cmd[1] = 0x4B7FFFFF; r300->hw.unk42C0.cmd[2] = 0x00000000; @@ -312,9 +451,6 @@ void r300ResetHwState(r300ContextPtr r300) r300->hw.unk4E88.cmd[1] = 0; - r300->hw.zc.cmd[R300_ZC_CNTL_0] = 0; - r300->hw.zc.cmd[R300_ZC_CNTL_1] = 0; - r300->hw.unk4F08.cmd[1] = 0x00FFFF00; r300->hw.unk4F10.cmd[1] = 0x00000002; // depthbuffer format? @@ -383,5 +519,9 @@ void r300InitStateFuncs(struct dd_function_table* functions) functions->UpdateState = r300InvalidateState; functions->Enable = r300Enable; functions->ColorMask = r300ColorMask; + functions->DepthFunc = r300DepthFunc; + functions->DepthMask = r300DepthMask; + functions->CullFace = r300CullFace; + functions->FrontFace = r300FrontFace; } |