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authormarha <marha@users.sourceforge.net>2012-04-20 17:39:30 +0200
committermarha <marha@users.sourceforge.net>2012-04-20 17:39:30 +0200
commitae228baa2cfe88bd7c7de40d5038ad2cc1ecffa4 (patch)
treeb18ae337e913f36a95f97530f6a792e9366a393c /mesalib/src/mesa/state_tracker/st_cb_clear.c
parent4207bc7b2972aed9a45756fae8c48957d323fa21 (diff)
parent0e3699334faf92f508b6c187a261548b656b0dd3 (diff)
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Merge remote-tracking branch 'origin/released'
Conflicts: xorg-server/dix/dispatch.c xorg-server/dix/resource.c
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_clear.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_clear.c95
1 files changed, 24 insertions, 71 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_clear.c b/mesalib/src/mesa/state_tracker/st_cb_clear.c
index 193583372..3cd8756f2 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_clear.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_clear.c
@@ -53,6 +53,7 @@
#include "util/u_inlines.h"
#include "util/u_simple_shaders.h"
#include "util/u_draw_quad.h"
+#include "util/u_upload_mgr.h"
#include "cso_cache/cso_context.h"
@@ -87,10 +88,6 @@ st_destroy_clear(struct st_context *st)
cso_delete_vertex_shader(st->cso_context, st->clear.vs);
st->clear.vs = NULL;
}
- if (st->clear.vbuf) {
- pipe_resource_reference(&st->clear.vbuf, NULL);
- st->clear.vbuf = NULL;
- }
}
@@ -140,78 +137,50 @@ draw_quad(struct st_context *st,
const union pipe_color_union *color)
{
struct pipe_context *pipe = st->pipe;
+ struct pipe_resource *vbuf = NULL;
+ GLuint i, offset;
+ float (*vertices)[2][4]; /**< vertex pos + color */
- /* XXX: Need to improve buffer_write to allow NO_WAIT (as well as
- * no_flush) updates to buffers where we know there is no conflict
- * with previous data. Currently using max_slots > 1 will cause
- * synchronous rendering if the driver flushes its command buffers
- * between one bitmap and the next. Our flush hook below isn't
- * sufficient to catch this as the driver doesn't tell us when it
- * flushes its own command buffers. Until this gets fixed, pay the
- * price of allocating a new buffer for each bitmap cache-flush to
- * avoid synchronous rendering.
- */
- const GLuint max_slots = 1; /* 1024 / sizeof(st->clear.vertices); */
- GLuint i;
-
- if (st->clear.vbuf_slot >= max_slots) {
- pipe_resource_reference(&st->clear.vbuf, NULL);
- st->clear.vbuf_slot = 0;
- }
-
- if (!st->clear.vbuf) {
- st->clear.vbuf = pipe_buffer_create(pipe->screen,
- PIPE_BIND_VERTEX_BUFFER,
- PIPE_USAGE_STREAM,
- max_slots * sizeof(st->clear.vertices));
- }
-
- if (!st->clear.vbuf) {
- /* ran out of memory */
+ u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), &offset, &vbuf,
+ (void**)&vertices);
+ if (!vbuf) {
return;
}
/* positions */
- st->clear.vertices[0][0][0] = x0;
- st->clear.vertices[0][0][1] = y0;
+ vertices[0][0][0] = x0;
+ vertices[0][0][1] = y0;
- st->clear.vertices[1][0][0] = x1;
- st->clear.vertices[1][0][1] = y0;
+ vertices[1][0][0] = x1;
+ vertices[1][0][1] = y0;
- st->clear.vertices[2][0][0] = x1;
- st->clear.vertices[2][0][1] = y1;
+ vertices[2][0][0] = x1;
+ vertices[2][0][1] = y1;
- st->clear.vertices[3][0][0] = x0;
- st->clear.vertices[3][0][1] = y1;
+ vertices[3][0][0] = x0;
+ vertices[3][0][1] = y1;
/* same for all verts: */
for (i = 0; i < 4; i++) {
- st->clear.vertices[i][0][2] = z;
- st->clear.vertices[i][0][3] = 1.0;
- st->clear.vertices[i][1][0] = color->f[0];
- st->clear.vertices[i][1][1] = color->f[1];
- st->clear.vertices[i][1][2] = color->f[2];
- st->clear.vertices[i][1][3] = color->f[3];
+ vertices[i][0][2] = z;
+ vertices[i][0][3] = 1.0;
+ vertices[i][1][0] = color->f[0];
+ vertices[i][1][1] = color->f[1];
+ vertices[i][1][2] = color->f[2];
+ vertices[i][1][3] = color->f[3];
}
- /* put vertex data into vbuf */
- pipe_buffer_write_nooverlap(st->pipe, st->clear.vbuf,
- st->clear.vbuf_slot
- * sizeof(st->clear.vertices),
- sizeof(st->clear.vertices),
- st->clear.vertices);
+ u_upload_unmap(st->uploader);
/* draw */
util_draw_vertex_buffer(pipe,
st->cso_context,
- st->clear.vbuf,
- st->clear.vbuf_slot * sizeof(st->clear.vertices),
+ vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
- /* Increment slot */
- st->clear.vbuf_slot++;
+ pipe_resource_reference(&vbuf, NULL);
}
@@ -465,22 +434,6 @@ check_clear_stencil_with_quad(struct gl_context *ctx, struct gl_renderbuffer *rb
}
-
-/**
- * Called when we need to flush.
- */
-void
-st_flush_clear(struct st_context *st)
-{
- /* Release vertex buffer to avoid synchronous rendering if we were
- * to map it in the next frame.
- */
- pipe_resource_reference(&st->clear.vbuf, NULL);
- st->clear.vbuf_slot = 0;
-}
-
-
-
/**
* Called via ctx->Driver.Clear()
*/