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authorBrian Paul <brian.paul@tungstengraphics.com>2008-06-17 12:20:22 -0600
committerBrian Paul <brian.paul@tungstengraphics.com>2008-06-17 12:20:22 -0600
commit318f00ae9f9bca783d1d3aa7700109402f3e52cb (patch)
treeb32d4b257428c2e44d14ec7d412046d49cf9c0dc
parent93deede760e5a1309f1b948d91eae3d27f59ed97 (diff)
gallium: need to flush bitmap cache when raster color changes
-rw-r--r--src/mesa/state_tracker/st_cb_bitmap.c20
1 files changed, 14 insertions, 6 deletions
diff --git a/src/mesa/state_tracker/st_cb_bitmap.c b/src/mesa/state_tracker/st_cb_bitmap.c
index 9763eebe54..9e32ee2eb4 100644
--- a/src/mesa/state_tracker/st_cb_bitmap.c
+++ b/src/mesa/state_tracker/st_cb_bitmap.c
@@ -90,6 +90,8 @@ struct bitmap_cache
/** Bounds of region used in window coords */
GLint xmin, ymin, xmax, ymax;
+ GLfloat color[4];
+
struct pipe_texture *texture;
struct pipe_surface *surf;
@@ -429,7 +431,8 @@ setup_bitmap_vertex_data(struct st_context *st,
static void
draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
GLsizei width, GLsizei height,
- struct pipe_texture *pt)
+ struct pipe_texture *pt,
+ const GLfloat *color)
{
struct st_context *st = ctx->st;
struct pipe_context *pipe = ctx->st->pipe;
@@ -505,7 +508,7 @@ draw_bitmap_quad(GLcontext *ctx, GLint x, GLint y, GLfloat z,
/* draw textured quad */
setup_bitmap_vertex_data(st, x, y, width, height,
ctx->Current.RasterPos[2],
- ctx->Current.RasterColor);
+ color);
util_draw_vertex_buffer(pipe, st->bitmap.vbuf,
PIPE_PRIM_TRIANGLE_FAN,
@@ -592,7 +595,8 @@ st_flush_bitmap_cache(struct st_context *st)
cache->ypos,
st->ctx->Current.RasterPos[2],
BITMAP_CACHE_WIDTH, BITMAP_CACHE_HEIGHT,
- cache->texture);
+ cache->texture,
+ cache->color);
}
/* release/free the texture */
@@ -624,8 +628,10 @@ accum_bitmap(struct st_context *st,
px = x - cache->xpos; /* pos in buffer */
py = y - cache->ypos;
if (px < 0 || px + width > BITMAP_CACHE_WIDTH ||
- py < 0 || py + height > BITMAP_CACHE_HEIGHT) {
- /* This bitmap would extend beyond cache bounds,
+ py < 0 || py + height > BITMAP_CACHE_HEIGHT ||
+ !TEST_EQ_4V(st->ctx->Current.RasterColor, cache->color)) {
+ /* This bitmap would extend beyond cache bounds, or the bitmap
+ * color is changing
* so flush and continue.
*/
st_flush_bitmap_cache(st);
@@ -639,6 +645,7 @@ accum_bitmap(struct st_context *st,
cache->xpos = x;
cache->ypos = y - py;
cache->empty = GL_FALSE;
+ COPY_4FV(cache->color, st->ctx->Current.RasterColor);
}
assert(px != -999);
@@ -694,7 +701,8 @@ st_Bitmap(GLcontext *ctx, GLint x, GLint y, GLsizei width, GLsizei height,
if (pt) {
assert(pt->target == PIPE_TEXTURE_2D);
draw_bitmap_quad(ctx, x, y, ctx->Current.RasterPos[2],
- width, height, pt);
+ width, height, pt,
+ st->ctx->Current.RasterColor);
/* release/free the texture */
pipe_texture_reference(&pt, NULL);
}