wined3d: Support zero row pitch in wined3d_texture_gl_upload_data().

dlls/d3d11/tests/d3d11.c

@@ -12719,10 +12719,13 @@ static void test_copy_subresource_region(void)
         check_texture_color(test_context.backbuffer, 0x800000ff, 2);
 
         memset(float_colors, 0, sizeof(float_colors));
+        for (i = 0; i < texture_desc.Width; ++i)
+            ((unsigned int *)float_colors)[i] = 0x45454545;
+
         ID3D11DeviceContext1_UpdateSubresource1(context1, (ID3D11Resource *)dst_texture, 0, NULL,
                 float_colors, 0, 0, 0);
         draw_quad(&test_context);
-        check_texture_color(test_context.backbuffer, 0x00000000, 1);
+        check_texture_color(test_context.backbuffer, 0x45454545, 1);
 
         ID3D11DeviceContext1_CopySubresourceRegion1(context1, (ID3D11Resource *)dst_texture, 0,
                 0, 0, 0, (ID3D11Resource *)src_texture, 0, NULL, 0);

dlls/wined3d/texture.c

@@ -2052,26 +2052,41 @@ static void wined3d_texture_gl_upload_data(struct wined3d_context *context,
     }
     else
     {
+        unsigned int y, y_count;
+
         TRACE("Uploading data, target %#x, level %u, x %u, y %u, z %u, "
                 "w %u, h %u, d %u, format %#x, type %#x, addr %p.\n",
                 target, level, dst_x, dst_y, dst_z, update_w, update_h,
                 update_d, format_gl->format, format_gl->type, bo.addr);
 
-        gl_info->gl_ops.gl.p_glPixelStorei(GL_UNPACK_ROW_LENGTH, src_row_pitch / src_format->byte_count);
-        if (target == GL_TEXTURE_2D_ARRAY || target == GL_TEXTURE_3D)
+        if (src_row_pitch)
         {
-            GL_EXTCALL(glTexSubImage3D(target, level, dst_x, dst_y, dst_z,
-                    update_w, update_h, update_d, format_gl->format, format_gl->type, bo.addr));
+            gl_info->gl_ops.gl.p_glPixelStorei(GL_UNPACK_ROW_LENGTH, src_row_pitch / src_format->byte_count);
+            y_count = 1;
         }
-        else if (target == GL_TEXTURE_1D)
+        else
         {
-            gl_info->gl_ops.gl.p_glTexSubImage1D(target, level, dst_x,
-                    update_w, format_gl->format, format_gl->type, bo.addr);
+            y_count = update_h;
+            update_h = 1;
         }
-        else
+
+        for (y = 0; y < y_count; ++y)
         {
-            gl_info->gl_ops.gl.p_glTexSubImage2D(target, level, dst_x, dst_y,
-                    update_w, update_h, format_gl->format, format_gl->type, bo.addr);
+            if (target == GL_TEXTURE_2D_ARRAY || target == GL_TEXTURE_3D)
+            {
+                GL_EXTCALL(glTexSubImage3D(target, level, dst_x, dst_y + y, dst_z,
+                        update_w, update_h, update_d, format_gl->format, format_gl->type, bo.addr));
+            }
+            else if (target == GL_TEXTURE_1D)
+            {
+                gl_info->gl_ops.gl.p_glTexSubImage1D(target, level, dst_x,
+                        update_w, format_gl->format, format_gl->type, bo.addr);
+            }
+            else
+            {
+                gl_info->gl_ops.gl.p_glTexSubImage2D(target, level, dst_x, dst_y + y,
+                        update_w, update_h, format_gl->format, format_gl->type, bo.addr);
+            }
         }
         gl_info->gl_ops.gl.p_glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
         checkGLcall("Upload texture data");