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wined3d: Initialize unwritten color varyings.

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Signed-off-by: Matteo Bruni <mbruni@codeweavers.com>
Signed-off-by: Henri Verbeet <hverbeet@codeweavers.com>
This commit is contained in:
Matteo Bruni 2015-10-06 14:24:23 +02:00 committed by Alexandre Julliard
parent 09eda02b68
commit 97ee9451ed
1 changed files with 17 additions and 1 deletions
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18
dlls/wined3d/glsl_shader.c
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@ -4927,6 +4927,7 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
if (ps_major < 3)
{
DWORD colors_written_mask[2] = {0};
DWORD texcoords_written_mask[MAX_TEXTURES] = {0};
if (!legacy_context)
@ -4949,7 +4950,7 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
write_mask = output->mask;
shader_glsl_write_mask_to_str(write_mask, reg_mask);
if (shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_COLOR))
if (shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_COLOR) && semantic_idx < 2)
{
if (!semantic_idx)
shader_addline(buffer, "gl_FrontColor%s = vs_out[%u]%s;\n",
@ -4957,6 +4958,8 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
else if (semantic_idx == 1)
shader_addline(buffer, "gl_FrontSecondaryColor%s = vs_out[%u]%s;\n",
reg_mask, output->register_idx, reg_mask);
colors_written_mask[semantic_idx] = write_mask;
}
else if (shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_POSITION) && !semantic_idx)
{
@ -4985,6 +4988,19 @@ static GLuint generate_param_reorder_function(struct shader_glsl_priv *priv,
}
}
for (i = 0; i < 2; ++i)
{
if (colors_written_mask[i] != WINED3DSP_WRITEMASK_ALL)
{
shader_glsl_write_mask_to_str(~colors_written_mask[i] & WINED3DSP_WRITEMASK_ALL, reg_mask);
if (!i)
shader_addline(buffer, "gl_FrontColor%s = vec4(1.0)%s;\n",
reg_mask, reg_mask);
else
shader_addline(buffer, "gl_FrontSecondaryColor%s = vec4(0.0)%s;\n",
reg_mask, reg_mask);
}
}
for (i = 0; i < MAX_TEXTURES; ++i)
{
if (ps && !(ps->reg_maps.texcoord & (1u << i)))