From: Dave Airlie <airlied@redhat.com>
Date: Sat, 21 Mar 2009 11:36:18 +0000 (+1100)
Subject: radeon/r200: add fbo state changes
X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=6c48c93a5358ab04d6779afb14203bd1680a37a0;p=mesa.git

radeon/r200: add fbo state changes
---

diff --git a/src/mesa/drivers/dri/r200/r200_state.c b/src/mesa/drivers/dri/r200/r200_state.c
index 5eb61c8804f..74824b8d249 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 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 };