[PATCH] wined3d: Implement eval_sample_index shader instruction.
Józef Kucia
joseph.kucia at gmail.com
Wed Mar 6 08:02:59 CST 2019
From: Józef Kucia <jkucia at codeweavers.com>
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
Fixes text rendering in Metro Exodus.
---
dlls/wined3d/glsl_shader.c | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index fa6e302a4b9d..ebc015957784 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -6175,6 +6175,22 @@ static void shader_glsl_sample_info(const struct wined3d_shader_instruction *ins
shader_addline(buffer, ", 0, 0, 0)%s);\n", dst_swizzle);
}
+static void shader_glsl_interpolate(const struct wined3d_shader_instruction *ins)
+{
+ const struct wined3d_shader_src_param *input = &ins->src[0];
+ struct wined3d_string_buffer *buffer = ins->ctx->buffer;
+ struct glsl_src_param sample_param;
+ char dst_swizzle[6];
+ DWORD write_mask;
+
+ write_mask = shader_glsl_append_dst(buffer, ins);
+ shader_glsl_get_swizzle(input, FALSE, write_mask, dst_swizzle);
+
+ shader_glsl_add_src_param(ins, &ins->src[1], WINED3DSP_WRITEMASK_0, &sample_param);
+ shader_addline(buffer, "interpolateAtSample(shader_in.reg%u, %s)%s);\n",
+ input->reg.idx[0].offset, sample_param.param_str, dst_swizzle);
+}
+
static void shader_glsl_ld(const struct wined3d_shader_instruction *ins)
{
const struct wined3d_shader_reg_maps *reg_maps = ins->ctx->reg_maps;
@@ -11466,7 +11482,7 @@ static const SHADER_HANDLER shader_glsl_instruction_handler_table[WINED3DSIH_TAB
/* WINED3DSIH_ENDREP */ shader_glsl_end,
/* WINED3DSIH_ENDSWITCH */ shader_glsl_end,
/* WINED3DSIH_EQ */ shader_glsl_relop,
- /* WINED3DSIH_EVAL_SAMPLE_INDEX */ NULL,
+ /* WINED3DSIH_EVAL_SAMPLE_INDEX */ shader_glsl_interpolate,
/* WINED3DSIH_EXP */ shader_glsl_scalar_op,
/* WINED3DSIH_EXPP */ shader_glsl_expp,
/* WINED3DSIH_F16TOF32 */ shader_glsl_float16,
--
2.19.2
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