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vkd3d-shader/msl: Implement VKD3DSIH_MOV.

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Feifan He 2024-09-17 20:50:44 +08:00 committed by Henri Verbeet
parent a1487380bb
commit 7aa0de27e9
Notes: Henri Verbeet 2024-09-18 15:12:53 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/1079
1 changed files with 137 additions and 0 deletions
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137
libs/vkd3d-shader/msl.c
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@ -18,6 +18,18 @@
#include "vkd3d_shader_private.h"
struct msl_src
{
struct vkd3d_string_buffer *str;
};
struct msl_dst
{
const struct vkd3d_shader_dst_param *vsir;
struct vkd3d_string_buffer *register_name;
struct vkd3d_string_buffer *mask;
};
struct msl_generator
{
struct vsir_program *program;
@ -43,6 +55,113 @@ static void msl_print_indent(struct vkd3d_string_buffer *buffer, unsigned int in
vkd3d_string_buffer_printf(buffer, "%*s", 4 * indent, "");
}
static void msl_print_register_name(struct vkd3d_string_buffer *buffer,
struct msl_generator *gen, const struct vkd3d_shader_register *reg)
{
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled register type %#x.", reg->type);
vkd3d_string_buffer_printf(buffer, "<unrecognised register %#x>", reg->type);
}
static void msl_print_swizzle(struct vkd3d_string_buffer *buffer, uint32_t swizzle, uint32_t mask)
{
const char swizzle_chars[] = "xyzw";
unsigned int i;
vkd3d_string_buffer_printf(buffer, ".");
for (i = 0; i < VKD3D_VEC4_SIZE; ++i)
{
if (mask & (VKD3DSP_WRITEMASK_0 << i))
vkd3d_string_buffer_printf(buffer, "%c", swizzle_chars[vsir_swizzle_get_component(swizzle, i)]);
}
}
static void msl_print_write_mask(struct vkd3d_string_buffer *buffer, uint32_t write_mask)
{
vkd3d_string_buffer_printf(buffer, ".");
if (write_mask & VKD3DSP_WRITEMASK_0)
vkd3d_string_buffer_printf(buffer, "x");
if (write_mask & VKD3DSP_WRITEMASK_1)
vkd3d_string_buffer_printf(buffer, "y");
if (write_mask & VKD3DSP_WRITEMASK_2)
vkd3d_string_buffer_printf(buffer, "z");
if (write_mask & VKD3DSP_WRITEMASK_3)
vkd3d_string_buffer_printf(buffer, "w");
}
static void msl_src_cleanup(struct msl_src *src, struct vkd3d_string_buffer_cache *cache)
{
vkd3d_string_buffer_release(cache, src->str);
}
static void msl_src_init(struct msl_src *msl_src, struct msl_generator *gen,
const struct vkd3d_shader_src_param *vsir_src, uint32_t mask)
{
const struct vkd3d_shader_register *reg = &vsir_src->reg;
msl_src->str = vkd3d_string_buffer_get(&gen->string_buffers);
if (reg->non_uniform)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled 'non-uniform' modifier.");
if (vsir_src->modifiers)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled source modifier(s) %#x.", vsir_src->modifiers);
msl_print_register_name(msl_src->str, gen, reg);
if (reg->dimension == VSIR_DIMENSION_VEC4)
msl_print_swizzle(msl_src->str, vsir_src->swizzle, mask);
}
static void msl_dst_cleanup(struct msl_dst *dst, struct vkd3d_string_buffer_cache *cache)
{
vkd3d_string_buffer_release(cache, dst->mask);
vkd3d_string_buffer_release(cache, dst->register_name);
}
static uint32_t msl_dst_init(struct msl_dst *msl_dst, struct msl_generator *gen,
const struct vkd3d_shader_instruction *ins, const struct vkd3d_shader_dst_param *vsir_dst)
{
uint32_t write_mask = vsir_dst->write_mask;
if (ins->flags & VKD3DSI_PRECISE_XYZW)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled 'precise' modifier.");
if (vsir_dst->reg.non_uniform)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled 'non-uniform' modifier.");
msl_dst->vsir = vsir_dst;
msl_dst->register_name = vkd3d_string_buffer_get(&gen->string_buffers);
msl_dst->mask = vkd3d_string_buffer_get(&gen->string_buffers);
msl_print_register_name(msl_dst->register_name, gen, &vsir_dst->reg);
msl_print_write_mask(msl_dst->mask, write_mask);
return write_mask;
}
static void VKD3D_PRINTF_FUNC(3, 4) msl_print_assignment(
struct msl_generator *gen, struct msl_dst *dst, const char *format, ...)
{
va_list args;
if (dst->vsir->shift)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled destination shift %#x.", dst->vsir->shift);
if (dst->vsir->modifiers)
msl_compiler_error(gen, VKD3D_SHADER_ERROR_MSL_INTERNAL,
"Internal compiler error: Unhandled destination modifier(s) %#x.", dst->vsir->modifiers);
msl_print_indent(gen->buffer, gen->indent);
vkd3d_string_buffer_printf(gen->buffer, "%s%s = ", dst->register_name->buffer, dst->mask->buffer);
va_start(args, format);
vkd3d_string_buffer_vprintf(gen->buffer, format, args);
va_end(args);
vkd3d_string_buffer_printf(gen->buffer, ";\n");
}
static void msl_unhandled(struct msl_generator *gen, const struct vkd3d_shader_instruction *ins)
{
@ -52,6 +171,21 @@ static void msl_unhandled(struct msl_generator *gen, const struct vkd3d_shader_i
"Internal compiler error: Unhandled instruction %#x.", ins->opcode);
}
static void msl_mov(struct msl_generator *gen, const struct vkd3d_shader_instruction *ins)
{
struct msl_src src;
struct msl_dst dst;
uint32_t mask;
mask = msl_dst_init(&dst, gen, ins, &ins->dst[0]);
msl_src_init(&src, gen, &ins->src[0], mask);
msl_print_assignment(gen, &dst, "%s", src.str->buffer);
msl_src_cleanup(&src, &gen->string_buffers);
msl_dst_cleanup(&dst, &gen->string_buffers);
}
static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d_shader_instruction *ins)
{
gen->location = ins->location;
@ -60,6 +194,9 @@ static void msl_handle_instruction(struct msl_generator *gen, const struct vkd3d
{
case VKD3DSIH_NOP:
break;
case VKD3DSIH_MOV:
msl_mov(gen, ins);
break;
default:
msl_unhandled(gen, ins);
break;