radeonsi: add support for EXT_depth_bounds_test

Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>

diff --git a/docs/relnotes/11.0.0.html b/docs/relnotes/11.0.0.html
index b5077e7..ae3a2be 100644 (file)
--- a/docs/relnotes/11.0.0.html
+++ b/docs/relnotes/11.0.0.html
@@ -58,6 +58,7 @@ Note: some of the new features are only available with certain drivers.
 <li>GL_ARB_tessellation_shader on nvc0, radeonsi</li>
 <li>GL_ARB_vertex_attrib_64bit on llvmpipe, radeonsi</li>
 <li>GL_ARB_viewport_array on radeonsi</li>
+<li>GL_EXT_depth_bounds_test on radeonsi, nv30, nv50, nvc0</li>
 <li>GL_OES_texture_float on all r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe</li>
 <li>GL_OES_texture_half_float on all r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe</li>
 <li>GL_OES_texture_float_linear on all r300, r600, radeonsi, nv30, nv50, nvc0, softpipe, llvmpipe</li>

diff --git a/src/gallium/drivers/radeonsi/si_pipe.c b/src/gallium/drivers/radeonsi/si_pipe.c
index f0a377b..22efc68 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_pipe.c
+++ b/src/gallium/drivers/radeonsi/si_pipe.c
@@ -259,6 +259,7 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_CONDITIONAL_RENDER_INVERTED:
        case PIPE_CAP_TEXTURE_FLOAT_LINEAR:
        case PIPE_CAP_TEXTURE_HALF_FLOAT_LINEAR:
+       case PIPE_CAP_DEPTH_BOUNDS_TEST:
                return 1;
 
        case PIPE_CAP_RESOURCE_FROM_USER_MEMORY:
@@ -301,7 +302,6 @@ static int si_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
        case PIPE_CAP_TEXTURE_GATHER_OFFSETS:
        case PIPE_CAP_SAMPLER_VIEW_TARGET:
        case PIPE_CAP_VERTEXID_NOBASE:
-       case PIPE_CAP_DEPTH_BOUNDS_TEST:
                return 0;
 
        case PIPE_CAP_MAX_SHADER_PATCH_VARYINGS:

diff --git a/src/gallium/drivers/radeonsi/si_state.c b/src/gallium/drivers/radeonsi/si_state.c
index 3260943..b9f512d 100644 (file)
--- a/src/gallium/drivers/radeonsi/si_state.c
+++ b/src/gallium/drivers/radeonsi/si_state.c
@@ -838,7 +838,8 @@ static void *si_create_dsa_state(struct pipe_context *ctx,
 
        db_depth_control = S_028800_Z_ENABLE(state->depth.enabled) |
                S_028800_Z_WRITE_ENABLE(state->depth.writemask) |
-               S_028800_ZFUNC(state->depth.func);
+               S_028800_ZFUNC(state->depth.func) |
+               S_028800_DEPTH_BOUNDS_ENABLE(state->depth.bounds_test);
 
        /* stencil */
        if (state->stencil[0].enabled) {
@@ -867,9 +868,12 @@ static void *si_create_dsa_state(struct pipe_context *ctx,
                dsa->alpha_func = PIPE_FUNC_ALWAYS;
        }
 
-       /* misc */
        si_pm4_set_reg(pm4, R_028800_DB_DEPTH_CONTROL, db_depth_control);
        si_pm4_set_reg(pm4, R_02842C_DB_STENCIL_CONTROL, db_stencil_control);
+       if (state->depth.bounds_test) {
+               si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, fui(state->depth.bounds_min));
+               si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, fui(state->depth.bounds_max));
+       }
 
        return dsa;
 }
@@ -3230,8 +3234,6 @@ static void si_init_config(struct si_context *sctx)
        si_pm4_set_reg(pm4, R_028BEC_PA_CL_GB_VERT_DISC_ADJ, fui(1.0));
        si_pm4_set_reg(pm4, R_028BF0_PA_CL_GB_HORZ_CLIP_ADJ, fui(1.0));
        si_pm4_set_reg(pm4, R_028BF4_PA_CL_GB_HORZ_DISC_ADJ, fui(1.0));
-       si_pm4_set_reg(pm4, R_028020_DB_DEPTH_BOUNDS_MIN, 0);
-       si_pm4_set_reg(pm4, R_028024_DB_DEPTH_BOUNDS_MAX, 0);
        si_pm4_set_reg(pm4, R_028028_DB_STENCIL_CLEAR, 0);
        si_pm4_set_reg(pm4, R_028AC0_DB_SRESULTS_COMPARE_STATE0, 0x0);
        si_pm4_set_reg(pm4, R_028AC4_DB_SRESULTS_COMPARE_STATE1, 0x0);