#include "r300_context.h"
#include "r300_texture.h"
+#include "r300_winsys.h"
#include "util/u_format.h"
+#include "util/u_pack_color.h"
enum r300_blitter_op /* bitmask */
{
}
}
+static uint32_t r300_depth_clear_cb_value(enum pipe_format format,
+ const float* rgba)
+{
+ union util_color uc;
+ util_pack_color(rgba, format, &uc);
+
+ if (util_format_get_blocksizebits(format) == 32)
+ return uc.ui;
+ else
+ return uc.us | (uc.us << 16);
+}
+
+static boolean r300_cbzb_clear_allowed(struct r300_context *r300,
+ unsigned clear_buffers)
+{
+ struct pipe_framebuffer_state *fb =
+ (struct pipe_framebuffer_state*)r300->fb_state.state;
+
+ if (r300->z_fastfill)
+ clear_buffers &= ~(PIPE_CLEAR_DEPTH | PIPE_CLEAR_STENCIL);
+
+ /* Only color clear allowed, and only one colorbuffer. */
+ if (clear_buffers != PIPE_CLEAR_COLOR || fb->nr_cbufs != 1)
+ return FALSE;
+
+ return r300_surface(fb->cbufs[0])->cbzb_allowed;
+}
+
+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);
+
+ case PIPE_FORMAT_S8_USCALED_Z24_UNORM:
+ return util_pack_z_stencil(format, depth, stencil);
+
+ default:
+ assert(0);
+ return 0;
+ }
+}
+
/* Clear currently bound buffers. */
static void r300_clear(struct pipe_context* pipe,
unsigned buffers,
struct r300_context* r300 = r300_context(pipe);
struct pipe_framebuffer_state *fb =
(struct pipe_framebuffer_state*)r300->fb_state.state;
+ struct r300_hyperz_state *hyperz =
+ (struct r300_hyperz_state*)r300->hyperz_state.state;
+ 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 = 0;
+
+ /* Enable fast Z clear.
+ * The zbuffer must be in micro-tiled mode, otherwise it locks up. */
+ if ((buffers & (PIPE_CLEAR_DEPTH|PIPE_CLEAR_STENCIL)) && 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 (r300->z_compression || r300->z_fastfill)
+ r300->zmask_clear.dirty = TRUE;
+ if (r300->hiz_enable)
+ r300->hiz_clear.dirty = TRUE;
+ }
+
+ /* Enable CBZB clear. */
+ if (r300_cbzb_clear_allowed(r300, buffers)) {
+ struct r300_surface *surf = r300_surface(fb->cbufs[0]);
+
+ hyperz->zb_depthclearvalue =
+ r300_depth_clear_cb_value(surf->base.format, rgba);
+
+ width = surf->cbzb_width;
+ height = surf->cbzb_height;
+
+ r300->cbzb_clear = TRUE;
+ r300_mark_fb_state_dirty(r300, R300_CHANGED_CBZB_FLAG);
+ }
/* Clear. */
r300_blitter_begin(r300, R300_CLEAR);
util_blitter_clear(r300->blitter,
- fb->width,
- fb->height,
+ width,
+ height,
fb->nr_cbufs,
buffers, rgba, depth, stencil);
r300_blitter_end(r300);
+
+ /* 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);
+ }
+
+ /* XXX this flush "fixes" a hardlock in the cubestorm xscreensaver */
+ if (r300->flush_counter == 0)
+ pipe->flush(pipe, 0, NULL);
}
/* Clear a region of a color surface to a constant value. */
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->dirty_zmask[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_clear_depth_stencil(r300->blitter, dstsurf,
+ PIPE_CLEAR_DEPTH, 0, 0,
+ 0, 0, dstsurf->width, dstsurf->height);
+ r300_blitter_end(r300);
+ r300->z_decomp_rd = FALSE;
+
+ tex->dirty_zmask[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,
{
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,
}
}
+ 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;
projects / mesa.git / blobdiff