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vkd3d-shader/glsl: Implement support for VKD3DSPR_IMMCONST registers.

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This commit is contained in:
Atharva Nimbalkar
2021-08-25 08:26:51 +05:30
committed by Henri Verbeet
parent ab07637ee1
commit 1d485cc8a9
Notes: Henri Verbeet 2024-09-19 14:46:44 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1084
9 changed files with 69 additions and 17 deletions
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54
libs/vkd3d-shader/glsl.c
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@@ -137,6 +137,21 @@ static void shader_glsl_print_register_name(struct vkd3d_string_buffer *buffer,
vkd3d_string_buffer_printf(buffer, "%s_out[%u]", gen->prefix, reg->idx[0].offset);
break;
case VKD3DSPR_IMMCONST:
switch (reg->dimension)
{
case VSIR_DIMENSION_SCALAR:
vkd3d_string_buffer_printf(buffer, "%#xu", reg->u.immconst_u32[0]);
break;
default:
vkd3d_string_buffer_printf(buffer, "<unhandled_dimension %#x>", reg->dimension);
vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
"Internal compiler error: Unhandled dimension %#x.", reg->dimension);
break;
}
break;
case VKD3DSPR_CONSTBUFFER:
if (reg->idx_count != 3)
{
@@ -195,12 +210,41 @@ static void glsl_src_cleanup(struct glsl_src *src, struct vkd3d_string_buffer_ca
vkd3d_string_buffer_release(cache, src->str);
}
static void shader_glsl_print_bitcast(struct vkd3d_string_buffer *dst, struct vkd3d_glsl_generator *gen,
const char *src, enum vkd3d_data_type dst_data_type, enum vkd3d_data_type src_data_type)
{
if (dst_data_type == VKD3D_DATA_UNORM || dst_data_type == VKD3D_DATA_SNORM)
dst_data_type = VKD3D_DATA_FLOAT;
if (src_data_type == VKD3D_DATA_UNORM || src_data_type == VKD3D_DATA_SNORM)
src_data_type = VKD3D_DATA_FLOAT;
if (dst_data_type == src_data_type)
{
vkd3d_string_buffer_printf(dst, "%s", src);
return;
}
if (src_data_type == VKD3D_DATA_UINT && dst_data_type == VKD3D_DATA_FLOAT)
{
vkd3d_string_buffer_printf(dst, "uintBitsToFloat(%s)", src);
return;
}
vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
"Internal compiler error: Unhandled bitcast from %#x to %#x.",
src_data_type, dst_data_type);
vkd3d_string_buffer_printf(dst, "%s", src);
}
static void glsl_src_init(struct glsl_src *glsl_src, struct vkd3d_glsl_generator *gen,
const struct vkd3d_shader_src_param *vsir_src, uint32_t mask)
{
const struct vkd3d_shader_register *reg = &vsir_src->reg;
struct vkd3d_string_buffer *register_name;
enum vkd3d_data_type src_data_type;
glsl_src->str = vkd3d_string_buffer_get(&gen->string_buffers);
register_name = vkd3d_string_buffer_get(&gen->string_buffers);
if (reg->non_uniform)
vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
@@ -209,9 +253,17 @@ static void glsl_src_init(struct glsl_src *glsl_src, struct vkd3d_glsl_generator
vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
"Internal compiler error: Unhandled source modifier(s) %#x.", vsir_src->modifiers);
shader_glsl_print_register_name(glsl_src->str, gen, reg);
if (reg->type == VKD3DSPR_IMMCONST)
src_data_type = VKD3D_DATA_UINT;
else
src_data_type = VKD3D_DATA_FLOAT;
shader_glsl_print_register_name(register_name, gen, reg);
shader_glsl_print_bitcast(glsl_src->str, gen, register_name->buffer, reg->data_type, src_data_type);
if (reg->dimension == VSIR_DIMENSION_VEC4)
shader_glsl_print_swizzle(glsl_src->str, vsir_src->swizzle, mask);
vkd3d_string_buffer_release(&gen->string_buffers, register_name);
}
static void glsl_dst_cleanup(struct glsl_dst *dst, struct vkd3d_string_buffer_cache *cache)