[PATCH 06/11] wined3d: Do not pass LOD to texelFetch() for buffer resources.
Józef Kucia
jkucia at codeweavers.com
Thu Jan 26 06:07:32 CST 2017
Signed-off-by: Józef Kucia <jkucia at codeweavers.com>
---
dlls/wined3d/glsl_shader.c | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)
diff --git a/dlls/wined3d/glsl_shader.c b/dlls/wined3d/glsl_shader.c
index 8bd4cb5..cdd3135 100644
--- a/dlls/wined3d/glsl_shader.c
+++ b/dlls/wined3d/glsl_shader.c
@@ -4903,10 +4903,12 @@ static void shader_glsl_resinfo(const struct wined3d_shader_instruction *ins)
/* FIXME: The current implementation does not handle multisample textures correctly. */
static void shader_glsl_ld(const struct wined3d_shader_instruction *ins)
{
+ const struct wined3d_shader_reg_maps *reg_maps = ins->ctx->reg_maps;
unsigned int resource_idx, sampler_idx, sampler_bind_idx;
struct glsl_src_param coord_param, lod_param;
struct glsl_sample_function sample_function;
DWORD flags = WINED3D_GLSL_SAMPLE_LOAD;
+ BOOL has_lod_param;
if (wined3d_shader_instruction_has_texel_offset(ins))
flags |= WINED3D_GLSL_SAMPLE_OFFSET;
@@ -4914,12 +4916,20 @@ static void shader_glsl_ld(const struct wined3d_shader_instruction *ins)
resource_idx = ins->src[1].reg.idx[0].offset;
sampler_idx = WINED3D_SAMPLER_DEFAULT;
+ if (resource_idx >= ARRAY_SIZE(reg_maps->resource_info))
+ {
+ ERR("Invalid resource index %u.\n", resource_idx);
+ return;
+ }
+ has_lod_param = reg_maps->resource_info[resource_idx].type != WINED3D_SHADER_RESOURCE_BUFFER;
+
shader_glsl_get_sample_function(ins->ctx, resource_idx, sampler_idx, flags, &sample_function);
shader_glsl_add_src_param(ins, &ins->src[0], sample_function.coord_mask, &coord_param);
shader_glsl_add_src_param(ins, &ins->src[0], WINED3DSP_WRITEMASK_3, &lod_param);
- sampler_bind_idx = shader_glsl_find_sampler(&ins->ctx->reg_maps->sampler_map, resource_idx, sampler_idx);
+ sampler_bind_idx = shader_glsl_find_sampler(®_maps->sampler_map, resource_idx, sampler_idx);
shader_glsl_gen_sample_code(ins, sampler_bind_idx, &sample_function, ins->src[1].swizzle,
- NULL, NULL, lod_param.param_str, &ins->texel_offset, "%s", coord_param.param_str);
+ NULL, NULL, has_lod_param ? lod_param.param_str : NULL, &ins->texel_offset,
+ "%s", coord_param.param_str);
shader_glsl_release_sample_function(ins->ctx, &sample_function);
}
--
2.10.2
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