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authorChia-I Wu <olv@lunarg.com>2010-11-28 20:20:45 +0800
committerChia-I Wu <olv@lunarg.com>2010-12-01 11:23:51 +0800
commit33ca973e7a6036566aa7363681419a58a30ab0f3 (patch)
tree4bd2303aced10ed648a3ef9780f838bccb15d187 /src/gallium/state_trackers/vega/image.c
parent4690cdfe076a03b6e9da1db9f1908a663c49c820 (diff)
st/vega: vg_copy_texture and vg_copy_surface should share code.
Diffstat (limited to 'src/gallium/state_trackers/vega/image.c')
-rw-r--r--src/gallium/state_trackers/vega/image.c75
1 files changed, 31 insertions, 44 deletions
diff --git a/src/gallium/state_trackers/vega/image.c b/src/gallium/state_trackers/vega/image.c
index 28bbe420a21..88705d093ea 100644
--- a/src/gallium/state_trackers/vega/image.c
+++ b/src/gallium/state_trackers/vega/image.c
@@ -77,33 +77,23 @@ static INLINE void vg_sync_size(VGfloat *src_loc, VGfloat *dst_loc)
dst_loc[3] = src_loc[3];
}
-
-static void vg_copy_texture(struct vg_context *ctx,
- struct pipe_resource *dst, VGint dx, VGint dy,
- struct pipe_sampler_view *src, VGint sx, VGint sy,
- VGint width, VGint height)
+static void vg_get_copy_coords(VGfloat *src_loc,
+ VGfloat src_width, VGfloat src_height,
+ VGfloat *dst_loc,
+ VGfloat dst_width, VGfloat dst_height)
{
- VGfloat dst_loc[4], src_loc[4];
VGfloat dst_bounds[4], src_bounds[4];
VGfloat src_shift[4], dst_shift[4], shift[4];
- dst_loc[0] = dx;
- dst_loc[1] = dy;
- dst_loc[2] = width;
- dst_loc[3] = height;
dst_bounds[0] = 0.f;
dst_bounds[1] = 0.f;
- dst_bounds[2] = dst->width0;
- dst_bounds[3] = dst->height0;
+ dst_bounds[2] = dst_width;
+ dst_bounds[3] = dst_height;
- src_loc[0] = sx;
- src_loc[1] = sy;
- src_loc[2] = width;
- src_loc[3] = height;
src_bounds[0] = 0.f;
src_bounds[1] = 0.f;
- src_bounds[2] = src->texture->width0;
- src_bounds[3] = src->texture->height0;
+ src_bounds[2] = src_width;
+ src_bounds[3] = src_height;
vg_bound_rect(src_loc, src_bounds, src_shift);
vg_bound_rect(dst_loc, dst_bounds, dst_shift);
@@ -121,6 +111,27 @@ static void vg_copy_texture(struct vg_context *ctx,
vg_shift_recty(dst_loc, dst_bounds, shift[1]);
vg_sync_size(src_loc, dst_loc);
+}
+
+static void vg_copy_texture(struct vg_context *ctx,
+ struct pipe_resource *dst, VGint dx, VGint dy,
+ struct pipe_sampler_view *src, VGint sx, VGint sy,
+ VGint width, VGint height)
+{
+ VGfloat dst_loc[4], src_loc[4];
+
+ dst_loc[0] = dx;
+ dst_loc[1] = dy;
+ dst_loc[2] = width;
+ dst_loc[3] = height;
+
+ src_loc[0] = sx;
+ src_loc[1] = sy;
+ src_loc[2] = width;
+ src_loc[3] = height;
+
+ vg_get_copy_coords(src_loc, src->texture->width0, src->texture->height0,
+ dst_loc, dst->width0, dst->height0);
if (src_loc[2] >= 0 && src_loc[3] >= 0 &&
dst_loc[2] >= 0 && dst_loc[3] >= 0) {
@@ -145,43 +156,19 @@ void vg_copy_surface(struct vg_context *ctx,
VGint width, VGint height)
{
VGfloat dst_loc[4], src_loc[4];
- VGfloat dst_bounds[4], src_bounds[4];
- VGfloat src_shift[4], dst_shift[4], shift[4];
dst_loc[0] = dx;
dst_loc[1] = dy;
dst_loc[2] = width;
dst_loc[3] = height;
- dst_bounds[0] = 0.f;
- dst_bounds[1] = 0.f;
- dst_bounds[2] = dst->width;
- dst_bounds[3] = dst->height;
src_loc[0] = sx;
src_loc[1] = sy;
src_loc[2] = width;
src_loc[3] = height;
- src_bounds[0] = 0.f;
- src_bounds[1] = 0.f;
- src_bounds[2] = src->width;
- src_bounds[3] = src->height;
- vg_bound_rect(src_loc, src_bounds, src_shift);
- vg_bound_rect(dst_loc, dst_bounds, dst_shift);
- shift[0] = src_shift[0] - dst_shift[0];
- shift[1] = src_shift[1] - dst_shift[1];
-
- if (shift[0] < 0)
- vg_shift_rectx(src_loc, src_bounds, -shift[0]);
- else
- vg_shift_rectx(dst_loc, dst_bounds, shift[0]);
-
- if (shift[1] < 0)
- vg_shift_recty(src_loc, src_bounds, -shift[1]);
- else
- vg_shift_recty(dst_loc, dst_bounds, shift[1]);
-
- vg_sync_size(src_loc, dst_loc);
+ vg_get_copy_coords(src_loc, src->width, src->height,
+ dst_loc, dst->width, dst->height);
if (src_loc[2] > 0 && src_loc[3] > 0 &&
dst_loc[2] > 0 && dst_loc[3] > 0) {