* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
-#include "util/u_format.h"
-#include "util/u_mm.h"
#include "r300_context.h"
#include "r300_hyperz.h"
#include "r300_reg.h"
#include "r300_fs.h"
+#include "r300_winsys.h"
+
+#include "util/u_format.h"
+#include "util/u_mm.h"
/*
HiZ rules - taken from various docs
{
struct r300_hyperz_state *z =
(struct r300_hyperz_state*)r300->hyperz_state.state;
+ struct pipe_framebuffer_state *fb =
+ (struct pipe_framebuffer_state*)r300->fb_state.state;
+ struct r300_texture *zstex =
+ fb->zsbuf ? r300_texture(fb->zsbuf->texture) : NULL;
+ boolean zmask_in_use = FALSE;
+ boolean hiz_in_use = FALSE;
z->gb_z_peq_config = 0;
z->zb_bw_cntl = 0;
return;
}
+ if (!zstex)
+ return;
+
+ if (!r300->rws->get_value(r300->rws, R300_CAN_HYPERZ))
+ return;
+
+ zmask_in_use = zstex->zmask_in_use[fb->zsbuf->level];
+ hiz_in_use = zstex->hiz_in_use[fb->zsbuf->level];
+
+ /* Z fastfill. */
+ if (zmask_in_use) {
+ z->zb_bw_cntl |= R300_FAST_FILL_ENABLE; /* | R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE;*/
+ }
+
/* Zbuffer compression. */
- if (r300->z_compression) {
+ if (zmask_in_use && r300->z_compression) {
z->zb_bw_cntl |= R300_RD_COMP_ENABLE;
if (r300->z_decomp_rd == false)
z->zb_bw_cntl |= R300_WR_COMP_ENABLE;
- /* RV350 and up optimizations. */
- if (r300->z_compression == RV350_Z_COMPRESS_88)
- z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8;
- }
-
- /* Z fastfill. */
- if (r300->z_fastfill) {
- z->zb_bw_cntl |= R300_FAST_FILL_ENABLE; /* | R300_FORCE_COMPRESSED_STENCIL_VALUE_ENABLE;*/
}
+ /* RV350 and up optimizations. */
+ /* The section 10.4.9 in the docs is a lie. */
+ if (r300->z_compression == RV350_Z_COMPRESS_88)
+ z->gb_z_peq_config |= R300_GB_Z_PEQ_CONFIG_Z_PEQ_SIZE_8_8;
- if (r300->hiz_enable) {
+ if (hiz_in_use) {
bool can_hiz = r300_can_hiz(r300);
if (can_hiz) {
z->zb_bw_cntl |= R300_HIZ_ENABLE;
}
}
+ /* R500-specific features and optimizations. */
if (r300->screen->caps.is_r500) {
- /* XXX Are these bits really available on RV350? */
z->zb_bw_cntl |= R500_HIZ_FP_EXP_BITS_3;
z->zb_bw_cntl |=
R500_HIZ_EQUAL_REJECT_ENABLE |
tex = r300_texture(surf->base.texture);
+ /* We currently don't handle decompression for 3D textures and cubemaps
+ * correctly. */
+ if (tex->desc.b.b.target != PIPE_TEXTURE_1D &&
+ tex->desc.b.b.target != PIPE_TEXTURE_2D &&
+ tex->desc.b.b.target != PIPE_TEXTURE_RECT)
+ return;
+
+ /* Cannot flush zmask of 16-bit zbuffers. */
+ if (util_format_get_blocksizebits(tex->desc.b.b.format) == 16)
+ return;
+
if (tex->zmask_mem[level])
return;
return;
}
-void r300_hyperz_init_mm(struct r300_context *r300)
+boolean r300_hyperz_init_mm(struct r300_context *r300)
{
struct r300_screen* r300screen = r300->screen;
int frag_pipes = r300screen->caps.num_frag_pipes;
- if (r300screen->caps.hiz_ram)
+ r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes);
+ if (!r300->zmask_mm)
+ return FALSE;
+
+ if (r300screen->caps.hiz_ram) {
r300->hiz_mm = u_mmInit(0, r300screen->caps.hiz_ram * frag_pipes);
+ if (!r300->hiz_mm) {
+ u_mmDestroy(r300->zmask_mm);
+ r300->zmask_mm = NULL;
+ return FALSE;
+ }
+ }
- r300->zmask_mm = u_mmInit(0, r300screen->caps.zmask_ram * frag_pipes);
+ return TRUE;
}
void r300_hyperz_destroy_mm(struct r300_context *r300)
{
struct r300_screen* r300screen = r300->screen;
- if (r300screen->caps.hiz_ram)
+ if (r300screen->caps.hiz_ram) {
u_mmDestroy(r300->hiz_mm);
+ r300->hiz_mm = NULL;
+ }
u_mmDestroy(r300->zmask_mm);
+ r300->zmask_mm = NULL;
}