diff options
Diffstat (limited to 'src/mesa/drivers/dri/r300/r300_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/r300/r300_state.c | 60 |
1 files changed, 59 insertions, 1 deletions
diff --git a/src/mesa/drivers/dri/r300/r300_state.c b/src/mesa/drivers/dri/r300/r300_state.c index 8a2ebbf959..cd8bcdb47d 100644 --- a/src/mesa/drivers/dri/r300/r300_state.c +++ b/src/mesa/drivers/dri/r300/r300_state.c @@ -67,6 +67,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. extern int future_hw_tcl_on; extern void _tnl_UpdateFixedFunctionProgram(GLcontext * ctx); +static void r300ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ); static void r300BlendColor(GLcontext * ctx, const GLfloat cf[4]) { @@ -1665,7 +1666,7 @@ static void r300SetupVertexProgram(r300ContextPtr rmesa) static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state) { r300ContextPtr r300 = R300_CONTEXT(ctx); - + GLuint p; if (RADEON_DEBUG & DEBUG_STATE) fprintf(stderr, "%s( %s = %s )\n", __FUNCTION__, _mesa_lookup_enum_by_nr(cap), @@ -1704,6 +1705,27 @@ static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state) r300SetBlendState(ctx); break; + + case GL_CLIP_PLANE0: + case GL_CLIP_PLANE1: + case GL_CLIP_PLANE2: + case GL_CLIP_PLANE3: + case GL_CLIP_PLANE4: + case GL_CLIP_PLANE5: + /* no VAP UCP on non-TCL chipsets */ + if (!(r300->radeon.radeonScreen->chip_flags & RADEON_CHIPSET_TCL)) + return; + + p = cap-GL_CLIP_PLANE0; + R300_STATECHANGE( r300, unk221C ); + if (state) { + r300->hw.unk221C.cmd[1] |= (R300_VAP_UCP_ENABLE_0<<p); + r300ClipPlane( ctx, cap, NULL ); + } + else { + r300->hw.unk221C.cmd[1] &= ~(R300_VAP_UCP_ENABLE_0<<p); + } + break; case GL_DEPTH_TEST: r300SetDepthState(ctx); break; @@ -1739,6 +1761,8 @@ static void r300Enable(GLcontext * ctx, GLenum cap, GLboolean state) r300->hw.occlusion_cntl.cmd[1] &= ~(3 << 0); } break; + + default: radeonEnable(ctx, cap, state); return; @@ -2188,6 +2212,38 @@ static void r300RenderMode(GLcontext * ctx, GLenum mode) (void)mode; } +static void r300ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + GLint p = (GLint) plane - (GLint) GL_CLIP_PLANE0; + GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p]; + + R300_STATECHANGE( rmesa, vpucp[p] ); + rmesa->hw.vpucp[p].cmd[R300_VPUCP_X] = ip[0]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Y] = ip[1]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Z] = ip[2]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_W] = ip[3]; +} + + +void r300UpdateClipPlanes( GLcontext *ctx ) +{ + r300ContextPtr rmesa = R300_CONTEXT(ctx); + GLuint p; + + for (p = 0; p < ctx->Const.MaxClipPlanes; p++) { + if (ctx->Transform.ClipPlanesEnabled & (1 << p)) { + GLint *ip = (GLint *)ctx->Transform._ClipUserPlane[p]; + + R300_STATECHANGE( rmesa, vpucp[p] ); + rmesa->hw.vpucp[p].cmd[R300_VPUCP_X] = ip[0]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Y] = ip[1]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_Z] = ip[2]; + rmesa->hw.vpucp[p].cmd[R300_VPUCP_W] = ip[3]; + } + } +} + /** * Initialize driver's state callback functions */ @@ -2225,4 +2281,6 @@ void r300InitStateFuncs(struct dd_function_table *functions) functions->PolygonMode = r300PolygonMode; functions->RenderMode = r300RenderMode; + + functions->ClipPlane = r300ClipPlane; } |