Dota 2 wine/intel optimizations, patched against Wine git 1825bddbff5db772cc82613bf854e25154bafbaf , details here: http://vrodic.blogspot.com/2013/08/dota-2-wine-optimization-for-intel-gpus.html

gistfile1.diff

diff --git a/dlls/wined3d/device.c b/dlls/wined3d/device.c
index de36741..e5111e39 100644
--- a/dlls/wined3d/device.c
+++ b/dlls/wined3d/device.c
@@ -657,6 +657,7 @@ void device_clear_render_targets(struct wined3d_device *device, UINT rt_count, c
 
     if (!clear_rect)
     {
+    	/*
         if (render_offscreen)
         {
             gl_info->gl_ops.gl.p_glScissor(draw_rect->left, draw_rect->top,
@@ -667,8 +668,11 @@ void device_clear_render_targets(struct wined3d_device *device, UINT rt_count, c
             gl_info->gl_ops.gl.p_glScissor(draw_rect->left, drawable_height - draw_rect->bottom,
                         draw_rect->right - draw_rect->left, draw_rect->bottom - draw_rect->top);
         }
-        checkGLcall("glScissor");
+
+        checkGLcall("glScissor"); */
+        gl_info->gl_ops.gl.p_glDisable(GL_SCISSOR_TEST);
         gl_info->gl_ops.gl.p_glClear(clear_mask);
+
         checkGLcall("glClear");
     }
     else
@@ -693,7 +697,7 @@ void device_clear_render_targets(struct wined3d_device *device, UINT rt_count, c
                 TRACE("Rectangle with negative dimensions, ignoring.\n");
                 continue;
             }
-
+            /*
             if (render_offscreen)
             {
                 gl_info->gl_ops.gl.p_glScissor(current_rect.left, current_rect.top,
@@ -704,8 +708,8 @@ void device_clear_render_targets(struct wined3d_device *device, UINT rt_count, c
                 gl_info->gl_ops.gl.p_glScissor(current_rect.left, drawable_height - current_rect.bottom,
                           current_rect.right - current_rect.left, current_rect.bottom - current_rect.top);
             }
-            checkGLcall("glScissor");
-
+            checkGLcall("glScissor");*/
+            gl_info->gl_ops.gl.p_glDisable(GL_SCISSOR_TEST);
             gl_info->gl_ops.gl.p_glClear(clear_mask);
             checkGLcall("glClear");
         }
diff --git a/dlls/wined3d/directx.c b/dlls/wined3d/directx.c
index 8320852..b43f1da 100644
--- a/dlls/wined3d/directx.c
+++ b/dlls/wined3d/directx.c
@@ -2713,12 +2713,14 @@ static void wined3d_adapter_init_limits(struct wined3d_gl_info *gl_info)
     if (gl_info->supported[ARB_VERTEX_SHADER])
     {
         gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, &gl_max);
+        gl_max = 256*4;
         gl_info->limits.glsl_vs_float_constants = gl_max / 4;
         TRACE("Max ARB_VERTEX_SHADER float constants: %u.\n", gl_info->limits.glsl_vs_float_constants);
     }
     if (gl_info->supported[ARB_FRAGMENT_SHADER])
     {
         gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, &gl_max);
+        gl_max = 256*4;
         gl_info->limits.glsl_ps_float_constants = gl_max / 4;
         TRACE("Max ARB_FRAGMENT_SHADER float constants: %u.\n", gl_info->limits.glsl_ps_float_constants);
         gl_info->gl_ops.gl.p_glGetIntegerv(GL_MAX_VARYING_FLOATS_ARB, &gl_max);