diff options
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_context.h | 4 | ||||
| -rw-r--r-- | src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c | 34 |
2 files changed, 38 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/i965/brw_context.h b/src/mesa/drivers/dri/i965/brw_context.h index d6b7f16ee40..a9adbf2cecc 100644 --- a/src/mesa/drivers/dri/i965/brw_context.h +++ b/src/mesa/drivers/dri/i965/brw_context.h @@ -1488,6 +1488,10 @@ void brw_meta_fbo_stencil_blit(struct brw_context *brw, GLfloat srcX1, GLfloat srcY1, GLfloat dstX0, GLfloat dstY0, GLfloat dstX1, GLfloat dstY1); + +void brw_meta_stencil_updownsample(struct brw_context *brw, + struct intel_mipmap_tree *src, + struct intel_mipmap_tree *dst); /*====================================================================== * brw_misc_state.c */ diff --git a/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c b/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c index b47f49da5ac..e36900154e5 100644 --- a/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c +++ b/src/mesa/drivers/dri/i965/brw_meta_stencil_blit.c @@ -488,3 +488,37 @@ brw_meta_fbo_stencil_blit(struct brw_context *brw, dst_mt, dst_irb->mt_level, dst_irb->mt_layer, &dims); intel_batchbuffer_emit_mi_flush(brw); } + +void +brw_meta_stencil_updownsample(struct brw_context *brw, + struct intel_mipmap_tree *src, + struct intel_mipmap_tree *dst) +{ + struct gl_context *ctx = &brw->ctx; + struct blit_dims dims = { + .src_x0 = 0, .src_y0 = 0, + .src_x1 = src->logical_width0, .src_y1 = src->logical_height0, + .dst_x0 = 0, .dst_y0 = 0, + .dst_x1 = dst->logical_width0, .dst_y1 = dst->logical_height0, + .mirror_x = 0, .mirror_y = 0 }; + GLuint fbo, rbo; + + if (dst->stencil_mt) + dst = dst->stencil_mt; + + intel_batchbuffer_emit_mi_flush(brw); + _mesa_meta_begin(ctx, MESA_META_ALL); + + _mesa_GenFramebuffers(1, &fbo); + rbo = brw_get_rb_for_slice(brw, src, 0, 0, false); + + _mesa_BindFramebuffer(GL_READ_FRAMEBUFFER, fbo); + _mesa_FramebufferRenderbuffer(GL_READ_FRAMEBUFFER, GL_STENCIL_ATTACHMENT, + GL_RENDERBUFFER, rbo); + + brw_meta_stencil_blit(brw, dst, 0, 0, &dims); + intel_batchbuffer_emit_mi_flush(brw); + + _mesa_DeleteRenderbuffers(1, &rbo); + _mesa_DeleteFramebuffers(1, &fbo); +} |