diff options
Diffstat (limited to 'src/mesa/drivers/dri/radeon/radeon_state.c')
| -rw-r--r-- | src/mesa/drivers/dri/radeon/radeon_state.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c index 42b65cbee65..635fe43ce4b 100644 --- a/src/mesa/drivers/dri/radeon/radeon_state.c +++ b/src/mesa/drivers/dri/radeon/radeon_state.c @@ -1390,11 +1390,21 @@ void radeonUpdateWindow( GLcontext *ctx ) GLfloat xoffset = dPriv ? (GLfloat) dPriv->x : 0; GLfloat yoffset = dPriv ? (GLfloat) dPriv->y + dPriv->h : 0; const GLfloat *v = ctx->Viewport._WindowMap.m; + const GLboolean render_to_fbo = (ctx->DrawBuffer ? (ctx->DrawBuffer->Name != 0) : 0); + GLfloat y_scale, y_bias; + + if (render_to_fbo) { + y_scale = 1.0; + y_bias = 0; + } else { + y_scale = -1.0; + y_bias = yoffset; + } float_ui32_type sx = { v[MAT_SX] }; float_ui32_type tx = { v[MAT_TX] + xoffset + SUBPIXEL_X }; - float_ui32_type sy = { - v[MAT_SY] }; - float_ui32_type ty = { (- v[MAT_TY]) + yoffset + SUBPIXEL_Y }; + float_ui32_type sy = { v[MAT_SY] * y_scale }; + float_ui32_type ty = { (v[MAT_TY] * y_scale) + y_bias + SUBPIXEL_Y }; float_ui32_type sz = { v[MAT_SZ] * rmesa->radeon.state.depth.scale }; float_ui32_type tz = { v[MAT_TZ] * rmesa->radeon.state.depth.scale }; |