summaryrefslogtreecommitdiffstats
path: root/src/gallium/drivers/r300/r300_blit.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/gallium/drivers/r300/r300_blit.c')
-rw-r--r--src/gallium/drivers/r300/r300_blit.c142
1 files changed, 118 insertions, 24 deletions
diff --git a/src/gallium/drivers/r300/r300_blit.c b/src/gallium/drivers/r300/r300_blit.c
index 895efaa1c4a..47ffc0cb3c6 100644
--- a/src/gallium/drivers/r300/r300_blit.c
+++ b/src/gallium/drivers/r300/r300_blit.c
@@ -21,7 +21,10 @@
* USE OR OTHER DEALINGS IN THE SOFTWARE. */
#include "r300_context.h"
+#include "r300_emit.h"
+#include "r300_hyperz.h"
#include "r300_texture.h"
+#include "r300_winsys.h"
#include "util/u_format.h"
#include "util/u_pack_color.h"
@@ -81,7 +84,7 @@ static void r300_blitter_end(struct r300_context *r300)
}
static uint32_t r300_depth_clear_cb_value(enum pipe_format format,
- const float* rgba)
+ const float* rgba)
{
union util_color uc;
util_pack_color(rgba, format, &uc);
@@ -97,29 +100,29 @@ static boolean r300_cbzb_clear_allowed(struct r300_context *r300,
{
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
- struct r300_surface *surf = r300_surface(fb->cbufs[0]);
- unsigned bpp;
/* Only color clear allowed, and only one colorbuffer. */
if (clear_buffers != PIPE_CLEAR_COLOR || fb->nr_cbufs != 1)
return FALSE;
- /* The colorbuffer must be point-sampled. */
- if (surf->base.texture->nr_samples > 1)
- return FALSE;
-
- bpp = util_format_get_blocksizebits(surf->base.format);
+ return r300_surface(fb->cbufs[0])->cbzb_allowed;
+}
- /* ZB can only work with the two pixel sizes. */
- if (bpp != 16 && bpp != 32)
- return FALSE;
+static uint32_t r300_depth_clear_value(enum pipe_format format,
+ double depth, unsigned stencil)
+{
+ switch (format) {
+ case PIPE_FORMAT_Z16_UNORM:
+ case PIPE_FORMAT_X8Z24_UNORM:
+ return util_pack_z(format, depth);
- /* If the midpoint ZB offset is not aligned to 2048, it returns garbage
- * with certain texture sizes. Macrotiling ensures the alignment. */
- if (!r300_texture(surf->base.texture)->mip_macrotile[surf->base.level])
- return FALSE;
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ return util_pack_z_stencil(format, depth, stencil);
- return TRUE;
+ default:
+ assert(0);
+ return 0;
+ }
}
/* Clear currently bound buffers. */
@@ -169,8 +172,27 @@ static void r300_clear(struct pipe_context* pipe,
(struct pipe_framebuffer_state*)r300->fb_state.state;
struct r300_hyperz_state *hyperz =
(struct r300_hyperz_state*)r300->hyperz_state.state;
+ struct r300_texture *zstex =
+ fb->zsbuf ? r300_texture(fb->zsbuf->texture) : NULL;
uint32_t width = fb->width;
uint32_t height = fb->height;
+ boolean has_hyperz = r300->rws->get_value(r300->rws, R300_CAN_HYPERZ);
+ uint32_t hyperz_dcv = hyperz->zb_depthclearvalue;
+
+ /* Enable fast Z clear.
+ * The zbuffer must be in micro-tiled mode, otherwise it locks up. */
+ if ((buffers & PIPE_CLEAR_DEPTHSTENCIL) && has_hyperz) {
+ hyperz_dcv = hyperz->zb_depthclearvalue =
+ r300_depth_clear_value(fb->zsbuf->format, depth, stencil);
+
+ r300_mark_fb_state_dirty(r300, R300_CHANGED_ZCLEAR_FLAG);
+ if (zstex->zmask_mem[fb->zsbuf->level]) {
+ r300->zmask_clear.dirty = TRUE;
+ buffers &= ~PIPE_CLEAR_DEPTHSTENCIL;
+ }
+ if (zstex->hiz_mem[fb->zsbuf->level])
+ r300->hiz_clear.dirty = TRUE;
+ }
/* Enable CBZB clear. */
if (r300_cbzb_clear_allowed(r300, buffers)) {
@@ -187,20 +209,61 @@ static void r300_clear(struct pipe_context* pipe,
}
/* Clear. */
- r300_blitter_begin(r300, R300_CLEAR);
- util_blitter_clear(r300->blitter,
- width,
- height,
- fb->nr_cbufs,
- buffers, rgba, depth, stencil);
- r300_blitter_end(r300);
+ if (buffers) {
+ /* Clear using the blitter. */
+ r300_blitter_begin(r300, R300_CLEAR);
+ util_blitter_clear(r300->blitter,
+ width,
+ height,
+ fb->nr_cbufs,
+ buffers, rgba, depth, stencil);
+ r300_blitter_end(r300);
+ } else if (r300->zmask_clear.dirty) {
+ /* Just clear zmask and hiz now, this does not use a standard draw
+ * procedure. */
+ unsigned dwords;
+
+ /* Calculate zmask_clear and hiz_clear atom sizes. */
+ r300_update_hyperz_state(r300);
+ dwords = r300->zmask_clear.size +
+ (r300->hiz_clear.dirty ? r300->hiz_clear.size : 0) +
+ r300_get_num_cs_end_dwords(r300);
+
+ /* Reserve CS space. */
+ if (dwords > (r300->cs->ndw - r300->cs->cdw)) {
+ r300->context.flush(&r300->context, 0, NULL);
+ }
+
+ /* Emit clear packets. */
+ r300_emit_zmask_clear(r300, r300->zmask_clear.size,
+ r300->zmask_clear.state);
+ r300->zmask_clear.dirty = FALSE;
+ if (r300->hiz_clear.dirty) {
+ r300_emit_hiz_clear(r300, r300->hiz_clear.size,
+ r300->hiz_clear.state);
+ r300->hiz_clear.dirty = FALSE;
+ }
+ } else {
+ assert(0);
+ }
/* Disable CBZB clear. */
if (r300->cbzb_clear) {
r300->cbzb_clear = FALSE;
+ hyperz->zb_depthclearvalue = hyperz_dcv;
r300_mark_fb_state_dirty(r300, R300_CHANGED_CBZB_FLAG);
}
+ /* Enable fastfill and/or hiz.
+ *
+ * If we cleared zmask/hiz, it's in use now. The Hyper-Z state update
+ * looks if zmask/hiz is in use and enables fastfill accordingly. */
+ if (zstex &&
+ (zstex->zmask_in_use[fb->zsbuf->level] ||
+ zstex->hiz_in_use[fb->zsbuf->level])) {
+ r300->hyperz_state.dirty = TRUE;
+ }
+
/* XXX this flush "fixes" a hardlock in the cubestorm xscreensaver */
if (r300->flush_counter == 0)
pipe->flush(pipe, 0, NULL);
@@ -238,6 +301,33 @@ static void r300_clear_depth_stencil(struct pipe_context *pipe,
r300_blitter_end(r300);
}
+/* Flush a depth stencil buffer. */
+void r300_flush_depth_stencil(struct pipe_context *pipe,
+ struct pipe_resource *dst,
+ struct pipe_subresource subdst,
+ unsigned zslice)
+{
+ struct r300_context *r300 = r300_context(pipe);
+ struct pipe_surface *dstsurf;
+ struct r300_texture *tex = r300_texture(dst);
+
+ if (!tex->zmask_mem[subdst.level])
+ return;
+ if (!tex->zmask_in_use[subdst.level])
+ return;
+
+ dstsurf = pipe->screen->get_tex_surface(pipe->screen, dst,
+ subdst.face, subdst.level, zslice,
+ PIPE_BIND_DEPTH_STENCIL);
+ r300->z_decomp_rd = TRUE;
+ r300_blitter_begin(r300, R300_CLEAR_SURFACE);
+ util_blitter_flush_depth_stencil(r300->blitter, dstsurf);
+ r300_blitter_end(r300);
+ r300->z_decomp_rd = FALSE;
+
+ tex->zmask_in_use[subdst.level] = FALSE;
+}
+
/* Copy a block of pixels from one surface to another using HW. */
static void r300_hw_copy_region(struct pipe_context* pipe,
struct pipe_resource *dst,
@@ -269,7 +359,7 @@ static void r300_resource_copy_region(struct pipe_context *pipe,
{
enum pipe_format old_format = dst->format;
enum pipe_format new_format = old_format;
-
+ boolean is_depth;
if (!pipe->screen->is_format_supported(pipe->screen,
old_format, src->target,
src->nr_samples,
@@ -296,6 +386,10 @@ static void r300_resource_copy_region(struct pipe_context *pipe,
}
}
+ is_depth = util_format_get_component_bits(src->format, UTIL_FORMAT_COLORSPACE_ZS, 0) != 0;
+ if (is_depth) {
+ r300_flush_depth_stencil(pipe, src, subsrc, srcz);
+ }
if (old_format != new_format) {
dst->format = new_format;
src->format = new_format;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 04:11:23 +0000