[PATCH 05/10] wined3d: Implement SV_IsFrontFace input sysval semantic.
Józef Kucia
jkucia at codeweavers.com
Wed Jul 27 16:33:43 CDT 2016
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
Setting "reg_maps->usesfacing" for SV_IsFrontFace is not necessary.
---
dlls/wined3d/glsl_shader.c | 4 ++++
dlls/wined3d/shader.c | 10 +++++++---
2 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index dba3460..498c41c 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -5310,6 +5310,10 @@ static void shader_glsl_input_pack(const struct wined3d_shader *shader, struct w
shader->u.ps.input_reg_map[input->register_idx], reg_mask, reg_mask);
else if (args->pointsprite && shader_match_semantic(semantic_name, WINED3D_DECL_USAGE_TEXCOORD))
shader_addline(buffer, "ps_in[%u] = vec4(gl_PointCoord.xy, 0.0, 0.0);\n", input->register_idx);
+ else if (input->sysval_semantic == WINED3D_SV_IS_FRONT_FACE)
+ shader_addline(buffer, "ps_in[%u] = vec4("
+ "uintBitsToFloat(gl_FrontFacing ? 0xffffffffu : 0u), 0.0, 0.0, 0.0);\n",
+ input->register_idx);
else
shader_addline(buffer, "ps_in[%u]%s = ps_link[%u]%s;\n",
shader->u.ps.input_reg_map[input->register_idx], reg_mask,
diff --git a/dlls/wined3d/shader.c b/dlls/wined3d/shader.c
index f1940c6..28d5972 100644
--- a/dlls/wined3d/shader.c
+++ b/dlls/wined3d/shader.c
@@ -1311,9 +1311,13 @@ static HRESULT shader_get_registers_used(struct wined3d_shader *shader, const st
for (i = 0; i < input_signature->element_count; ++i)
{
reg_maps->input_registers |= 1u << input_signature->elements[i].register_idx;
- if (shader_version.type == WINED3D_SHADER_TYPE_PIXEL
- && input_signature->elements[i].sysval_semantic == WINED3D_SV_POSITION)
- reg_maps->vpos = 1;
+ if (shader_version.type == WINED3D_SHADER_TYPE_PIXEL)
+ {
+ if (input_signature->elements[i].sysval_semantic == WINED3D_SV_POSITION)
+ reg_maps->vpos = 1;
+ else if (input_signature->elements[i].sysval_semantic == WINED3D_SV_IS_FRONT_FACE)
+ reg_maps->usesfacing = 1;
+ }
}
}
else if (!input_signature->elements && reg_maps->input_registers)
--
2.7.3
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