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authormarha <marha@users.sourceforge.net>2012-04-20 17:07:15 +0200
committermarha <marha@users.sourceforge.net>2012-04-20 17:07:15 +0200
commit0e3699334faf92f508b6c187a261548b656b0dd3 (patch)
tree28d7e84df7b54a3e6f85bf83e38efba937288fd3 /mesalib/src/mesa/state_tracker/st_cb_bitmap.c
parentc1194ccd395fdbb23c9ab56bc340ee20a5feeb82 (diff)
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fontconfig libX11 mesa pixman xserver git update 20 april 2012
Diffstat (limited to 'mesalib/src/mesa/state_tracker/st_cb_bitmap.c')
-rw-r--r--mesalib/src/mesa/state_tracker/st_cb_bitmap.c124
1 files changed, 44 insertions, 80 deletions
diff --git a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
index 7c0254d8d..09152c79a 100644
--- a/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/mesalib/src/mesa/state_tracker/st_cb_bitmap.c
@@ -52,6 +52,7 @@
#include "util/u_inlines.h"
#include "util/u_draw_quad.h"
#include "util/u_simple_shaders.h"
+#include "util/u_upload_mgr.h"
#include "program/prog_instruction.h"
#include "cso_cache/cso_context.h"
@@ -327,12 +328,13 @@ make_bitmap_texture(struct gl_context *ctx, GLsizei width, GLsizei height,
return pt;
}
-static GLuint
+static void
setup_bitmap_vertex_data(struct st_context *st, bool normalized,
int x, int y, int width, int height,
- float z, const float color[4])
+ float z, const float color[4],
+ struct pipe_resource **vbuf,
+ unsigned *vbuf_offset)
{
- struct pipe_context *pipe = st->pipe;
const struct gl_framebuffer *fb = st->ctx->DrawBuffer;
const GLfloat fb_width = (GLfloat)fb->Width;
const GLfloat fb_height = (GLfloat)fb->Height;
@@ -346,8 +348,8 @@ setup_bitmap_vertex_data(struct st_context *st, bool normalized,
const GLfloat clip_y0 = (GLfloat)(y0 / fb_height * 2.0 - 1.0);
const GLfloat clip_x1 = (GLfloat)(x1 / fb_width * 2.0 - 1.0);
const GLfloat clip_y1 = (GLfloat)(y1 / fb_height * 2.0 - 1.0);
- const GLuint max_slots = 1; /* 4096 / sizeof(st->bitmap.vertices); */
GLuint i;
+ float (*vertices)[3][4]; /**< vertex pos + color + texcoord */
if(!normalized)
{
@@ -355,77 +357,48 @@ setup_bitmap_vertex_data(struct st_context *st, bool normalized,
tBot = (GLfloat) height;
}
- /* 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.
- */
- if (st->bitmap.vbuf_slot >= max_slots) {
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf_slot = 0;
- }
-
- if (!st->bitmap.vbuf) {
- st->bitmap.vbuf = pipe_buffer_create(pipe->screen,
- PIPE_BIND_VERTEX_BUFFER,
- PIPE_USAGE_STREAM,
- max_slots *
- sizeof(st->bitmap.vertices));
- if (!st->bitmap.vbuf) {
- /* out of memory */
- return 0;
- }
+ u_upload_alloc(st->uploader, 0, 4 * sizeof(vertices[0]), vbuf_offset, vbuf,
+ (void**)&vertices);
+ if (!vbuf) {
+ return;
}
/* Positions are in clip coords since we need to do clipping in case
* the bitmap quad goes beyond the window bounds.
*/
- st->bitmap.vertices[0][0][0] = clip_x0;
- st->bitmap.vertices[0][0][1] = clip_y0;
- st->bitmap.vertices[0][2][0] = sLeft;
- st->bitmap.vertices[0][2][1] = tTop;
-
- st->bitmap.vertices[1][0][0] = clip_x1;
- st->bitmap.vertices[1][0][1] = clip_y0;
- st->bitmap.vertices[1][2][0] = sRight;
- st->bitmap.vertices[1][2][1] = tTop;
+ vertices[0][0][0] = clip_x0;
+ vertices[0][0][1] = clip_y0;
+ vertices[0][2][0] = sLeft;
+ vertices[0][2][1] = tTop;
+
+ vertices[1][0][0] = clip_x1;
+ vertices[1][0][1] = clip_y0;
+ vertices[1][2][0] = sRight;
+ vertices[1][2][1] = tTop;
- st->bitmap.vertices[2][0][0] = clip_x1;
- st->bitmap.vertices[2][0][1] = clip_y1;
- st->bitmap.vertices[2][2][0] = sRight;
- st->bitmap.vertices[2][2][1] = tBot;
+ vertices[2][0][0] = clip_x1;
+ vertices[2][0][1] = clip_y1;
+ vertices[2][2][0] = sRight;
+ vertices[2][2][1] = tBot;
- st->bitmap.vertices[3][0][0] = clip_x0;
- st->bitmap.vertices[3][0][1] = clip_y1;
- st->bitmap.vertices[3][2][0] = sLeft;
- st->bitmap.vertices[3][2][1] = tBot;
+ vertices[3][0][0] = clip_x0;
+ vertices[3][0][1] = clip_y1;
+ vertices[3][2][0] = sLeft;
+ vertices[3][2][1] = tBot;
/* same for all verts: */
for (i = 0; i < 4; i++) {
- st->bitmap.vertices[i][0][2] = z;
- st->bitmap.vertices[i][0][3] = 1.0f;
- st->bitmap.vertices[i][1][0] = color[0];
- st->bitmap.vertices[i][1][1] = color[1];
- st->bitmap.vertices[i][1][2] = color[2];
- st->bitmap.vertices[i][1][3] = color[3];
- st->bitmap.vertices[i][2][2] = 0.0; /*R*/
- st->bitmap.vertices[i][2][3] = 1.0; /*Q*/
+ vertices[i][0][2] = z;
+ vertices[i][0][3] = 1.0f;
+ vertices[i][1][0] = color[0];
+ vertices[i][1][1] = color[1];
+ vertices[i][1][2] = color[2];
+ vertices[i][1][3] = color[3];
+ vertices[i][2][2] = 0.0; /*R*/
+ vertices[i][2][3] = 1.0; /*Q*/
}
- /* put vertex data into vbuf */
- pipe_buffer_write_nooverlap(st->pipe,
- st->bitmap.vbuf,
- st->bitmap.vbuf_slot
- * sizeof(st->bitmap.vertices),
- sizeof st->bitmap.vertices,
- st->bitmap.vertices);
-
- return st->bitmap.vbuf_slot++ * sizeof st->bitmap.vertices;
+ u_upload_unmap(st->uploader);
}
@@ -446,6 +419,7 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
struct st_fp_variant_key key;
GLuint maxSize;
GLuint offset;
+ struct pipe_resource *vbuf = NULL;
memset(&key, 0, sizeof(key));
key.st = st;
@@ -551,12 +525,11 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
z = z * 2.0f - 1.0f;
/* draw textured quad */
- offset = setup_bitmap_vertex_data(st,
- sv->texture->target != PIPE_TEXTURE_RECT,
- x, y, width, height, z, color);
+ setup_bitmap_vertex_data(st, sv->texture->target != PIPE_TEXTURE_RECT,
+ x, y, width, height, z, color, &vbuf, &offset);
- if (st->bitmap.vbuf) {
- util_draw_vertex_buffer(pipe, st->cso_context, st->bitmap.vbuf, offset,
+ if (vbuf) {
+ util_draw_vertex_buffer(pipe, st->cso_context, vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
3); /* attribs/vert */
@@ -573,6 +546,8 @@ draw_bitmap_quad(struct gl_context *ctx, GLint x, GLint y, GLfloat z,
cso_restore_vertex_elements(cso);
cso_restore_vertex_buffers(cso);
cso_restore_stream_outputs(cso);
+
+ pipe_resource_reference(&vbuf, NULL);
}
@@ -709,18 +684,12 @@ st_flush_bitmap_cache(struct st_context *st)
/**
- * Flush bitmap cache and release vertex buffer.
+ * Flush bitmap cache.
*/
void
st_flush_bitmap( struct st_context *st )
{
st_flush_bitmap_cache(st);
-
- /* Release vertex buffer to avoid synchronous rendering if we were
- * to map it in the next frame.
- */
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf_slot = 0;
}
@@ -914,11 +883,6 @@ st_destroy_bitmap(struct st_context *st)
st->bitmap.vs = NULL;
}
- if (st->bitmap.vbuf) {
- pipe_resource_reference(&st->bitmap.vbuf, NULL);
- st->bitmap.vbuf = NULL;
- }
-
if (cache) {
if (cache->trans) {
pipe_transfer_unmap(pipe, cache->trans);