diff options
| author | Alex Deucher <alexdeucher@gmail.com> | 2009-10-29 19:42:12 -0400 |
|---|---|---|
| committer | Alex Deucher <alexdeucher@gmail.com> | 2009-10-29 19:42:52 -0400 |
| commit | b924579bd4afaf5daa9df8d4f120f42fa20cafc6 (patch) | |
| tree | de2d0ffa46bd105e09cf079741705ca9634f425c /src/mesa/drivers/dri | |
| parent | d0b6147291fe42d7d733b3d0e5b10c4f4f08030f (diff) | |
r600: Add support for ARB_depth_clamp
Diffstat (limited to 'src/mesa/drivers/dri')
| -rw-r--r-- | src/mesa/drivers/dri/r600/r600_context.c | 1 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/r600/r700_state.c | 15 |
2 files changed, 14 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/r600/r600_context.c b/src/mesa/drivers/dri/r600/r600_context.c index 6de151d51b..dbd233729c 100644 --- a/src/mesa/drivers/dri/r600/r600_context.c +++ b/src/mesa/drivers/dri/r600/r600_context.c @@ -94,6 +94,7 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. static const struct dri_extension card_extensions[] = { /* *INDENT-OFF* */ + {"GL_ARB_depth_clamp", NULL}, {"GL_ARB_depth_texture", NULL}, {"GL_ARB_fragment_program", NULL}, {"GL_ARB_occlusion_query", GL_ARB_occlusion_query_functions}, diff --git a/src/mesa/drivers/dri/r600/r700_state.c b/src/mesa/drivers/dri/r600/r700_state.c index 2b42bfa3f9..b278887266 100644 --- a/src/mesa/drivers/dri/r600/r700_state.c +++ b/src/mesa/drivers/dri/r600/r700_state.c @@ -1030,6 +1030,7 @@ static void r700UpdateWindow(GLcontext * ctx, int id) //-------------------- GLfloat tz = v[MAT_TZ] * depthScale; R600_STATECHANGE(context, vpt); + R600_STATECHANGE(context, cl); r700->viewport[id].PA_CL_VPORT_XSCALE.f32All = sx; r700->viewport[id].PA_CL_VPORT_XOFFSET.f32All = tx; @@ -1040,6 +1041,18 @@ static void r700UpdateWindow(GLcontext * ctx, int id) //-------------------- r700->viewport[id].PA_CL_VPORT_ZSCALE.f32All = sz; r700->viewport[id].PA_CL_VPORT_ZOFFSET.f32All = tz; + if (ctx->Transform.DepthClamp) { + r700->viewport[id].PA_SC_VPORT_ZMIN_0.f32All = MIN2(ctx->Viewport.Near, ctx->Viewport.Far); + r700->viewport[id].PA_SC_VPORT_ZMAX_0.f32All = MAX2(ctx->Viewport.Near, ctx->Viewport.Far); + SETbit(r700->PA_CL_CLIP_CNTL.u32All, ZCLIP_NEAR_DISABLE_bit); + SETbit(r700->PA_CL_CLIP_CNTL.u32All, ZCLIP_FAR_DISABLE_bit); + } else { + r700->viewport[id].PA_SC_VPORT_ZMIN_0.f32All = 0.0; + r700->viewport[id].PA_SC_VPORT_ZMAX_0.f32All = 1.0; + CLEARbit(r700->PA_CL_CLIP_CNTL.u32All, ZCLIP_NEAR_DISABLE_bit); + CLEARbit(r700->PA_CL_CLIP_CNTL.u32All, ZCLIP_FAR_DISABLE_bit); + } + r700->viewport[id].enabled = GL_TRUE; r700SetScissor(context); @@ -1345,8 +1358,6 @@ void r700SetScissor(context_t *context) //--------------- SETfield(r700->viewport[id].PA_SC_VPORT_SCISSOR_0_BR.u32All, y2, PA_SC_VPORT_SCISSOR_0_BR__BR_Y_shift, PA_SC_VPORT_SCISSOR_0_BR__BR_Y_mask); - r700->viewport[id].PA_SC_VPORT_ZMIN_0.u32All = 0; - r700->viewport[id].PA_SC_VPORT_ZMAX_0.u32All = 0x3F800000; r700->viewport[id].enabled = GL_TRUE; } |