#include "pipe/p_debug.h"
#include "pipe/p_defines.h"
#include "pipe/p_inlines.h"
-#include "pipe/p_winsys.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_blit.h"
void *fs;
struct pipe_buffer *vbuf; /**< quad vertices */
+ unsigned vbuf_slot;
+
float vertices[4][2][4]; /**< vertex/texcoords for quad */
};
/* fragment shader */
ctx->fs = util_make_fragment_tex_shader(pipe, &ctx->frag_shader);
-
- ctx->vbuf = pipe_buffer_create(pipe->screen,
- 32,
- PIPE_BUFFER_USAGE_VERTEX,
- sizeof(ctx->vertices));
- if (!ctx->vbuf) {
- FREE(ctx);
- ctx->pipe->delete_fs_state(ctx->pipe, ctx->fs);
- ctx->pipe->delete_vs_state(ctx->pipe, ctx->vs);
- return NULL;
- }
+ ctx->vbuf = NULL;
/* init vertex data that doesn't change */
for (i = 0; i < 4; i++) {
}
+static unsigned get_next_slot( struct blit_state *ctx )
+{
+ const unsigned max_slots = 4096 / sizeof ctx->vertices;
+
+ if (ctx->vbuf_slot >= max_slots)
+ util_blit_flush( ctx );
+
+ if (!ctx->vbuf) {
+ ctx->vbuf = pipe_buffer_create(ctx->pipe->screen,
+ 32,
+ PIPE_BUFFER_USAGE_VERTEX,
+ max_slots * sizeof ctx->vertices);
+ }
+
+ return ctx->vbuf_slot++ * sizeof ctx->vertices;
+}
+
+
+
/**
* Setup vertex data for the textured quad we'll draw.
* Note: y=0=top
*/
-static void
+static unsigned
setup_vertex_data(struct blit_state *ctx,
float x0, float y0, float x1, float y1, float z)
{
void *buf;
+ unsigned offset;
ctx->vertices[0][0][0] = x0;
ctx->vertices[0][0][1] = y0;
ctx->vertices[3][1][0] = 0.0f;
ctx->vertices[3][1][1] = 1.0f;
+ offset = get_next_slot( ctx );
+
buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
PIPE_BUFFER_USAGE_CPU_WRITE);
- memcpy(buf, ctx->vertices, sizeof(ctx->vertices));
+ memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+
+ return offset;
}
* Setup vertex data for the textured quad we'll draw.
* Note: y=0=top
*/
-static void
+static unsigned
setup_vertex_data_tex(struct blit_state *ctx,
float x0, float y0, float x1, float y1,
float s0, float t0, float s1, float t1,
float z)
{
void *buf;
+ unsigned offset;
ctx->vertices[0][0][0] = x0;
ctx->vertices[0][0][1] = y0;
ctx->vertices[3][1][0] = s0;
ctx->vertices[3][1][1] = t1;
+ offset = get_next_slot( ctx );
+
buf = pipe_buffer_map(ctx->pipe->screen, ctx->vbuf,
PIPE_BUFFER_USAGE_CPU_WRITE);
- memcpy(buf, ctx->vertices, sizeof(ctx->vertices));
+ memcpy((char *)buf + offset, ctx->vertices, sizeof(ctx->vertices));
pipe_buffer_unmap(ctx->pipe->screen, ctx->vbuf);
+
+ return offset;
}
/**
* Copy pixel block from src surface to dst surface.
const int srcH = abs(srcY1 - srcY0);
const int srcLeft = MIN2(srcX0, srcX1);
const int srcTop = MIN2(srcY0, srcY1);
+ unsigned offset;
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
memset(&fb, 0, sizeof(fb));
fb.width = dst->width;
fb.height = dst->height;
- fb.num_cbufs = 1;
+ fb.nr_cbufs = 1;
fb.cbufs[0] = dst;
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
- setup_vertex_data(ctx,
- (float) dstX0, (float) dstY0,
- (float) dstX1, (float) dstY1, z);
+ offset = setup_vertex_data(ctx,
+ (float) dstX0, (float) dstY0,
+ (float) dstX1, (float) dstY1, z);
- util_draw_vertex_buffer(ctx->pipe, ctx->vbuf,
+ util_draw_vertex_buffer(ctx->pipe, ctx->vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */
screen->texture_release(screen, &tex);
}
+
+/* Release vertex buffer at end of frame to avoid synchronous
+ * rendering.
+ */
+void util_blit_flush( struct blit_state *ctx )
+{
+ pipe_buffer_reference(ctx->pipe->screen, &ctx->vbuf, NULL);
+ ctx->vbuf_slot = 0;
+}
+
+
+
/**
* Copy pixel block from src texture to dst surface.
* Overlapping regions are acceptable.
struct pipe_screen *screen = pipe->screen;
struct pipe_framebuffer_state fb;
float s0, t0, s1, t1;
+ unsigned offset;
assert(filter == PIPE_TEX_MIPFILTER_NEAREST ||
filter == PIPE_TEX_MIPFILTER_LINEAR);
memset(&fb, 0, sizeof(fb));
fb.width = dst->width;
fb.height = dst->height;
- fb.num_cbufs = 1;
+ fb.nr_cbufs = 1;
fb.cbufs[0] = dst;
cso_set_framebuffer(ctx->cso, &fb);
/* draw quad */
- setup_vertex_data_tex(ctx,
- (float) dstX0, (float) dstY0,
- (float) dstX1, (float) dstY1,
- s0, t0, s1, t1,
- z);
-
- util_draw_vertex_buffer(ctx->pipe, ctx->vbuf,
+ offset = setup_vertex_data_tex(ctx,
+ (float) dstX0, (float) dstY0,
+ (float) dstX1, (float) dstY1,
+ s0, t0, s1, t1,
+ z);
+
+ util_draw_vertex_buffer(ctx->pipe,
+ ctx->vbuf, offset,
PIPE_PRIM_TRIANGLE_FAN,
4, /* verts */
2); /* attribs/vert */