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vkd3d-shader/glsl: Implement VKD3DSIH_SAMPLE_C_LZ.

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This commit is contained in:
Henri Verbeet
2024-10-18 20:27:01 +02:00
parent 5958e527e5
commit 21e9029177
Notes: Henri Verbeet 2024-10-22 20:55:33 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1206
2 changed files with 20 additions and 12 deletions
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14
libs/vkd3d-shader/glsl.c
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@@ -919,7 +919,7 @@ static void shader_glsl_sample(struct vkd3d_glsl_generator *gen, const struct vk
sampler_space = d->register_space;
shadow = d->flags & VKD3D_SHADER_DESCRIPTOR_INFO_FLAG_SAMPLER_COMPARISON_MODE;
if (ins->opcode == VKD3DSIH_SAMPLE_C)
if (ins->opcode == VKD3DSIH_SAMPLE_C || ins->opcode == VKD3DSIH_SAMPLE_C_LZ)
{
if (!shadow)
vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
@@ -942,10 +942,13 @@ static void shader_glsl_sample(struct vkd3d_glsl_generator *gen, const struct vk
glsl_dst_init(&dst, gen, ins, &ins->dst[0]);
sample = vkd3d_string_buffer_get(&gen->string_buffers);
vkd3d_string_buffer_printf(sample, "texture(");
if (ins->opcode == VKD3DSIH_SAMPLE_C_LZ)
vkd3d_string_buffer_printf(sample, "textureLod(");
else
vkd3d_string_buffer_printf(sample, "texture(");
shader_glsl_print_combined_sampler_name(sample, gen, resource_idx, resource_space, sampler_idx, sampler_space);
vkd3d_string_buffer_printf(sample, ", ");
if (ins->opcode == VKD3DSIH_SAMPLE_C)
if (ins->opcode == VKD3DSIH_SAMPLE_C || ins->opcode == VKD3DSIH_SAMPLE_C_LZ)
shader_glsl_print_shadow_coord(sample, gen, &ins->src[0], &ins->src[3], coord_size);
else
shader_glsl_print_src(sample, gen, &ins->src[0],
@@ -955,6 +958,10 @@ static void shader_glsl_sample(struct vkd3d_glsl_generator *gen, const struct vk
vkd3d_string_buffer_printf(sample, ", ");
shader_glsl_print_src(sample, gen, &ins->src[3], VKD3DSP_WRITEMASK_0, ins->src[3].reg.data_type);
}
else if (ins->opcode == VKD3DSIH_SAMPLE_C_LZ)
{
vkd3d_string_buffer_printf(sample, ", 0.0");
}
vkd3d_string_buffer_printf(sample, ")");
shader_glsl_print_swizzle(sample, ins->src[1].swizzle, ins->dst[0].write_mask);
@@ -1549,6 +1556,7 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
case VKD3DSIH_SAMPLE:
case VKD3DSIH_SAMPLE_B:
case VKD3DSIH_SAMPLE_C:
case VKD3DSIH_SAMPLE_C_LZ:
shader_glsl_sample(gen, ins);
break;
case VKD3DSIH_SQRT: