diff options
Diffstat (limited to 'src/mesa/drivers/dri/r600/r700_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_state.c | 35 |
1 files changed, 33 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index 1ccd793512..1d6d398f63 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -56,6 +56,8 @@ #include "r700_vertprog.h" +static void r700SetClipPlaneState(GLcontext * ctx, GLenum cap, GLboolean state); + void r700SetDefaultStates(context_t *context) //-------------------- { @@ -446,7 +448,7 @@ static void r700Enable(GLcontext * ctx, GLenum cap, GLboolean state) //--------- case GL_CLIP_PLANE3: case GL_CLIP_PLANE4: case GL_CLIP_PLANE5: - //r700SetClipPlaneState(ctx, cap, state); + r700SetClipPlaneState(ctx, cap, state); break; case GL_DEPTH_TEST: r700SetDepthState(ctx); @@ -675,8 +677,37 @@ static void r700RenderMode(GLcontext * ctx, GLenum mode) //--------------------- { } -static void r700ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ) //----------------- +static void r700ClipPlane( GLcontext *ctx, GLenum plane, const GLfloat *eq ) { + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + GLint p; + GLint *ip; + + p = (GLint) plane - (GLint) GL_CLIP_PLANE0; + ip = (GLint *)ctx->Transform._ClipUserPlane[p]; + + r700->ucp[p].PA_CL_UCP_0_X.u32All = ip[0]; + r700->ucp[p].PA_CL_UCP_0_Y.u32All = ip[1]; + r700->ucp[p].PA_CL_UCP_0_Z.u32All = ip[2]; + r700->ucp[p].PA_CL_UCP_0_W.u32All = ip[3]; +} + +static void r700SetClipPlaneState(GLcontext * ctx, GLenum cap, GLboolean state) +{ + context_t *context = R700_CONTEXT(ctx); + R700_CHIP_CONTEXT *r700 = (R700_CHIP_CONTEXT*)(&context->hw); + GLuint p; + + p = cap - GL_CLIP_PLANE0; + if (state) { + r700->PA_CL_CLIP_CNTL.u32All |= (UCP_ENA_0_bit << p); + r700->ucp[p].enabled = GL_TRUE; + r700ClipPlane(ctx, cap, NULL); + } else { + r700->PA_CL_CLIP_CNTL.u32All &= ~(UCP_ENA_0_bit << p); + r700->ucp[p].enabled = GL_FALSE; + } } void r700SetScissor(context_t *context) //--------------- |