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-rw-r--r--src/mesa/drivers/dri/r200/r200_state.c14
-rw-r--r--src/mesa/drivers/dri/radeon/radeon_state.c14
2 files changed, 24 insertions, 4 deletions
diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c
index 5eb61c8804..74824b8d24 100644
--- a/src/mesa/drivers/dri/r200/r200_state.c
+++ b/src/mesa/drivers/dri/r200/r200_state.c
@@ -1610,11 +1610,21 @@ void r200UpdateWindow( 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 };
diff --git a/src/mesa/drivers/dri/radeon/radeon_state.c b/src/mesa/drivers/dri/radeon/radeon_state.c
index 42b65cbee6..635fe43ce4 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 };