diff options
| author | Alex Deucher <[email protected]> | 2010-10-01 20:13:36 -0400 |
|---|---|---|
| committer | Alex Deucher <[email protected]> | 2010-10-01 20:14:25 -0400 |
| commit | fb0eed84cac3cdb45bd0b46047fc389b81a5b1df (patch) | |
| tree | 38275f8d07f279b0d8d63ac00709c3c921bdb474 /src/mesa/drivers/dri/r600 | |
| parent | 7af2a22d1f10fa1f556e0d0c55092184ff734c88 (diff) | |
r600c: fix segfault in evergreen stencil code
Fixes:
https://bugs.freedesktop.org/show_bug.cgi?id=30551
Diffstat (limited to 'src/mesa/drivers/dri/r600')
| -rw-r--r-- | src/mesa/drivers/dri/r600/evergreen_chip.c | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/src/mesa/drivers/dri/r600/evergreen_chip.c b/src/mesa/drivers/dri/r600/evergreen_chip.c index b591d5fa27c..770e7f91c6a 100644 --- a/src/mesa/drivers/dri/r600/evergreen_chip.c +++ b/src/mesa/drivers/dri/r600/evergreen_chip.c @@ -843,7 +843,7 @@ static void evergreenSetDepthTarget(context_t *context) { EVERGREEN_CHIP_CONTEXT *evergreen = GET_EVERGREEN_CHIP(context); struct radeon_renderbuffer *rrb; - unsigned int nPitchInPixel, height; + unsigned int nPitchInPixel, height, offtostencil; rrb = radeon_get_depthbuffer(&context->radeon); if (!rrb) @@ -889,6 +889,12 @@ static void evergreenSetDepthTarget(context_t *context) SETfield(evergreen->DB_Z_INFO.u32All, ARRAY_1D_TILED_THIN1, EG_DB_Z_INFO__ARRAY_MODE_shift, EG_DB_Z_INFO__ARRAY_MODE_mask); + + + offtostencil = ((height * rrb->pitch) + 255) & ~255; + evergreen->DB_STENCIL_WRITE_BASE.u32All = offtostencil >> 8; + evergreen->DB_STENCIL_READ_BASE.u32All = offtostencil >> 8; + } static void evergreenSendDB(GLcontext *ctx, struct radeon_state_atom *atom) @@ -896,7 +902,6 @@ static void evergreenSendDB(GLcontext *ctx, struct radeon_state_atom *atom) context_t *context = EVERGREEN_CONTEXT(ctx); EVERGREEN_CHIP_CONTEXT *evergreen = GET_EVERGREEN_CHIP(context); struct radeon_renderbuffer *rrb; - unsigned int zheight, zpitch, offtostencil; BATCH_LOCALS(&context->radeon); radeon_print(RADEON_STATE, RADEON_VERBOSE, "%s\n", __func__); @@ -951,16 +956,6 @@ static void evergreenSendDB(GLcontext *ctx, struct radeon_state_atom *atom) rrb = radeon_get_depthbuffer(&context->radeon); - if (context->radeon.radeonScreen->driScreen->dri2.enabled) - { - zheight = rrb->base.Height; - } - else - { - zheight = context->radeon.radeonScreen->driScreen->fbHeight; - } - zpitch = rrb->pitch; - if( (rrb != NULL) && (rrb->bo != NULL) ) { @@ -1032,10 +1027,9 @@ static void evergreenSendDB(GLcontext *ctx, struct radeon_state_atom *atom) //10 if((evergreen->DB_DEPTH_CONTROL.u32All & STENCIL_ENABLE_bit) > 0) { - offtostencil = ((zheight * zpitch + 255) >> 8) & 0xffffffff; BEGIN_BATCH_NO_AUTOSTATE(3 + 2); - EVERGREEN_OUT_BATCH_REGVAL(EG_DB_STENCIL_READ_BASE, offtostencil); + EVERGREEN_OUT_BATCH_REGVAL(EG_DB_STENCIL_READ_BASE, evergreen->DB_STENCIL_READ_BASE.u32All); R600_OUT_BATCH_RELOC(evergreen->DB_STENCIL_READ_BASE.u32All, rrb->bo, evergreen->DB_STENCIL_READ_BASE.u32All, @@ -1043,7 +1037,7 @@ static void evergreenSendDB(GLcontext *ctx, struct radeon_state_atom *atom) END_BATCH(); BEGIN_BATCH_NO_AUTOSTATE(3 + 2); - EVERGREEN_OUT_BATCH_REGVAL(EG_DB_STENCIL_WRITE_BASE, offtostencil); + EVERGREEN_OUT_BATCH_REGVAL(EG_DB_STENCIL_WRITE_BASE, evergreen->DB_STENCIL_WRITE_BASE.u32All); R600_OUT_BATCH_RELOC(evergreen->DB_STENCIL_WRITE_BASE.u32All, rrb->bo, evergreen->DB_STENCIL_WRITE_BASE.u32All, |