summaryrefslogtreecommitdiff
path: root/src/mesa/drivers/dri/nouveau/nouveau_state.c
diff options
context:
space:
mode:
Diffstat (limited to 'src/mesa/drivers/dri/nouveau/nouveau_state.c')
-rw-r--r--src/mesa/drivers/dri/nouveau/nouveau_state.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mesa/drivers/dri/nouveau/nouveau_state.c b/src/mesa/drivers/dri/nouveau/nouveau_state.c
index e9fd188d73..7cb805902a 100644
--- a/src/mesa/drivers/dri/nouveau/nouveau_state.c
+++ b/src/mesa/drivers/dri/nouveau/nouveau_state.c
@@ -60,14 +60,14 @@ static void nouveauCalcViewport(GLcontext *ctx)
nouveauContextPtr nmesa = NOUVEAU_CONTEXT(ctx);
const GLfloat *v = ctx->Viewport._WindowMap.m;
GLfloat *m = nmesa->viewport.m;
- GLfloat xoffset = nmesa->drawX, yoffset = nmesa->drawY;
+ GLfloat xoffset = nmesa->drawX, yoffset = nmesa->drawY + nmesa->drawH;
nmesa->depth_scale = 1.0 / ctx->DrawBuffer->_DepthMaxF;
m[MAT_SX] = v[MAT_SX];
m[MAT_TX] = v[MAT_TX] + xoffset + SUBPIXEL_X;
m[MAT_SY] = - v[MAT_SY];
- m[MAT_TY] = v[MAT_TY] + yoffset + SUBPIXEL_Y;
+ m[MAT_TY] = (-v[MAT_TY]) + yoffset + SUBPIXEL_Y;
m[MAT_SZ] = v[MAT_SZ] * nmesa->depth_scale;
m[MAT_TZ] = v[MAT_TZ] * nmesa->depth_scale;