diff options
Diffstat (limited to 'src/mesa/drivers/common/meta.c')
| -rw-r--r-- | src/mesa/drivers/common/meta.c | 25 |
1 files changed, 15 insertions, 10 deletions
diff --git a/src/mesa/drivers/common/meta.c b/src/mesa/drivers/common/meta.c index 69b06ed8e53..60157af98c5 100644 --- a/src/mesa/drivers/common/meta.c +++ b/src/mesa/drivers/common/meta.c @@ -1884,19 +1884,24 @@ _mesa_meta_BlitFramebuffer(struct gl_context *ctx, const GLenum rb_base_format = _mesa_base_tex_format(ctx, colorReadRb->InternalFormat); - newTex = alloc_texture(tex, srcW, srcH, rb_base_format); - setup_copypix_texture(ctx, tex, newTex, srcX, srcY, srcW, srcH, + /* Using the exact source rectangle to create the texture does incorrect + * linear filtering along the edges. So, allocate the texture extended along + * edges by one pixel in x, y directions. + */ + newTex = alloc_texture(tex, srcW + 2, srcH + 2, rb_base_format); + setup_copypix_texture(ctx, tex, newTex, + srcX - 1, srcY - 1, srcW + 2, srcH + 2, rb_base_format, filter); /* texcoords (after texture allocation!) */ { - verts[0].s = 0.0F; - verts[0].t = 0.0F; - verts[1].s = tex->Sright; - verts[1].t = 0.0F; - verts[2].s = tex->Sright; - verts[2].t = tex->Ttop; - verts[3].s = 0.0F; - verts[3].t = tex->Ttop; + verts[0].s = 1.0F; + verts[0].t = 1.0F; + verts[1].s = tex->Sright - 1.0F; + verts[1].t = 1.0F; + verts[2].s = tex->Sright - 1.0F; + verts[2].t = tex->Ttop - 1.0F; + verts[3].s = 1.0F; + verts[3].t = tex->Ttop - 1.0F; /* upload new vertex data */ _mesa_BufferSubData(GL_ARRAY_BUFFER_ARB, 0, sizeof(verts), verts); |