From cd7f43b00dbe12f3b999773b0dfca27f7137c501 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Stefan=20D=C3=B6singer?= <stefan@codeweavers.com>
Date: Fri, 17 Jul 2009 11:48:32 +0200
Subject: [PATCH] wined3d: Don't activate a context unless we need one.

---
 dlls/wined3d/arb_program_shader.c | 8 ++++++--
 dlls/wined3d/glsl_shader.c        | 6 ++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/dlls/wined3d/arb_program_shader.c b/dlls/wined3d/arb_program_shader.c
index 6b8204915e0..e7ca690d087 100644
--- a/dlls/wined3d/arb_program_shader.c
+++ b/dlls/wined3d/arb_program_shader.c
@@ -4359,8 +4359,6 @@ static void shader_arb_destroy(IWineD3DBaseShader *iface) {
     IWineD3DDeviceImpl *device = (IWineD3DDeviceImpl *)baseShader->baseShader.device;
     const struct wined3d_gl_info *gl_info = &device->adapter->gl_info;
 
-    ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
-
     if (shader_is_pshader_version(baseShader->baseShader.reg_maps.shader_version.type))
     {
         IWineD3DPixelShaderImpl *This = (IWineD3DPixelShaderImpl *) iface;
@@ -4369,6 +4367,9 @@ static void shader_arb_destroy(IWineD3DBaseShader *iface) {
 
         if(!shader_data) return; /* This can happen if a shader was never compiled */
         ENTER_GL();
+
+        if(shader_data->num_gl_shaders) ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
+
         for(i = 0; i < shader_data->num_gl_shaders; i++) {
             GL_EXTCALL(glDeleteProgramsARB(1, &shader_data->gl_shaders[i].prgId));
             checkGLcall("GL_EXTCALL(glDeleteProgramsARB(1, &shader_data->gl_shaders[i].prgId))");
@@ -4384,6 +4385,9 @@ static void shader_arb_destroy(IWineD3DBaseShader *iface) {
 
         if(!shader_data) return; /* This can happen if a shader was never compiled */
         ENTER_GL();
+
+        if(shader_data->num_gl_shaders) ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
+
         for(i = 0; i < shader_data->num_gl_shaders; i++) {
             GL_EXTCALL(glDeleteProgramsARB(1, &shader_data->gl_shaders[i].prgId));
             checkGLcall("GL_EXTCALL(glDeleteProgramsARB(1, &shader_data->gl_shaders[i].prgId))");
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 018961672dc..65c5b0462c6 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -4331,8 +4331,6 @@ static void shader_glsl_destroy(IWineD3DBaseShader *iface) {
      */
     char pshader = shader_is_pshader_version(This->baseShader.reg_maps.shader_version.type);
 
-    ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
-
     if(pshader) {
         struct glsl_pshader_private *shader_data;
         ps = (IWineD3DPixelShaderImpl *) This;
@@ -4344,6 +4342,8 @@ static void shader_glsl_destroy(IWineD3DBaseShader *iface) {
             return;
         }
 
+        ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
+
         if (priv->glsl_program && (IWineD3DBaseShader *)priv->glsl_program->pshader == iface)
         {
             ENTER_GL();
@@ -4361,6 +4361,8 @@ static void shader_glsl_destroy(IWineD3DBaseShader *iface) {
             return;
         }
 
+        ActivateContext(device, device->lastActiveRenderTarget, CTXUSAGE_RESOURCELOAD);
+
         if (priv->glsl_program && (IWineD3DBaseShader *)priv->glsl_program->vshader == iface)
         {
             ENTER_GL();