diff options
| -rw-r--r-- | src/gallium/drivers/r300/r300_emit.c | 13 | ||||
| -rw-r--r-- | src/gallium/drivers/r300/r300_state.c | 20 |
2 files changed, 27 insertions, 6 deletions
diff --git a/src/gallium/drivers/r300/r300_emit.c b/src/gallium/drivers/r300/r300_emit.c index 874037e..5d6188e 100644 --- a/src/gallium/drivers/r300/r300_emit.c +++ b/src/gallium/drivers/r300/r300_emit.c @@ -439,6 +439,19 @@ void r300_emit_fb_state(struct r300_context* r300, unsigned size, void* state) OUT_CS_REG(R300_ZB_ZMASK_OFFSET, 0); OUT_CS_REG(R300_ZB_ZMASK_PITCH, surf->pitch_zmask); } + /* Set up a dummy zbuffer. Otherwise occlusion queries won't work. + * Use the first colorbuffer, we will disable writes in the DSA state + * so as not to corrupt it. */ + } else if (fb->nr_cbufs) { + surf = r300_surface(fb->cbufs[0]); + + OUT_CS_REG(R300_ZB_FORMAT, R300_DEPTHFORMAT_16BIT_INT_Z); + + OUT_CS_REG(R300_ZB_DEPTHOFFSET, 0); + OUT_CS_RELOC(surf); + + OUT_CS_REG(R300_ZB_DEPTHPITCH, 4 | R300_DEPTHMICROTILE_TILED); + OUT_CS_RELOC(surf); } END_CS; diff --git a/src/gallium/drivers/r300/r300_state.c b/src/gallium/drivers/r300/r300_state.c index bc6c67d..84d9da3 100644 --- a/src/gallium/drivers/r300/r300_state.c +++ b/src/gallium/drivers/r300/r300_state.c @@ -549,6 +549,10 @@ static void* dsa->z_stencil_control |= (r300_translate_depth_stencil_function(state->depth.func) << R300_Z_FUNC_SHIFT); + } else { + /* We must enable depth test, otherwise occlusion queries won't work. */ + dsa->z_buffer_control |= R300_Z_ENABLE; + dsa->z_stencil_control |= R300_ZS_ALWAYS; } /* Stencil buffer setup. */ @@ -632,11 +636,13 @@ static void* OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); END_CB; + /* We must enable depth test, otherwise occlusion queries won't work. + * We setup a dummy zbuffer to silent the CS checker, see emit_fb_state. */ BEGIN_CB(dsa->cb_zb_no_readwrite, 10); OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function); OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); - OUT_CB(0); - OUT_CB(0); + OUT_CB(R300_Z_ENABLE); + OUT_CB(R300_ZS_ALWAYS); OUT_CB(0); OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0); OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); @@ -645,8 +651,8 @@ static void* BEGIN_CB(dsa->cb_fp16_zb_no_readwrite, 10); OUT_CB_REG(R300_FG_ALPHA_FUNC, dsa->alpha_function_fp16); OUT_CB_REG_SEQ(R300_ZB_CNTL, 3); - OUT_CB(0); - OUT_CB(0); + OUT_CB(R300_Z_ENABLE); + OUT_CB(R300_ZS_ALWAYS); OUT_CB(0); OUT_CB_REG(R500_ZB_STENCILREFMASK_BF, 0); OUT_CB_REG(R500_FG_ALPHA_VALUE, dsa->alpha_value); @@ -792,12 +798,14 @@ void r300_mark_fb_state_dirty(struct r300_context *r300, /* Now compute the fb_state atom size. */ r300->fb_state.size = 2 + (8 * state->nr_cbufs); - if (r300->cbzb_clear) + if (r300->cbzb_clear) { r300->fb_state.size += 10; - else if (state->zsbuf) { + } else if (state->zsbuf) { r300->fb_state.size += 10; if (r300->hyperz_enabled) r300->fb_state.size += 8; + } else if (state->nr_cbufs) { + r300->fb_state.size += 10; } /* The size of the rest of atoms stays the same. */ |