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libs/vkd3d-shader: Get rid of VKD3D_SHADER_FLIP_Y compiler option.

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We use negative viewport height to flip Y.
This commit is contained in:
Józef Kucia 2017-06-27 22:21:43 +02:00
parent 0afe0032b0
commit 8f6af1125d
3 changed files with 6 additions and 33 deletions
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3
include/vkd3d_shader.h
View File

@ -27,8 +27,7 @@ extern "C" {
enum vkd3d_shader_compiler_option
{
VKD3D_SHADER_FLIP_Y = 0x00000001,
VKD3D_SHADER_STRIP_DEBUG = 0x00000002,
VKD3D_SHADER_STRIP_DEBUG = 0x00000001,
VKD3D_SHADER_COMPILER_OPTIONS_FORCE_32_BIT = 0x7fffffff,
};

33
libs/vkd3d-shader/spirv.c
View File

@ -970,7 +970,6 @@ struct vkd3d_dxbc_compiler
struct rb_tree symbol_table;
uint32_t temp_id;
unsigned int temp_count;
uint32_t position_id;
enum vkd3d_shader_type shader_type;
@ -1705,11 +1704,8 @@ static void vkd3d_dxbc_compiler_emit_dcl_output(struct vkd3d_dxbc_compiler *comp
static void vkd3d_dxbc_compiler_emit_dcl_output_siv(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
uint32_t id = vkd3d_dxbc_compiler_emit_output(compiler, &instruction->declaration.register_semantic.reg,
vkd3d_dxbc_compiler_emit_output(compiler, &instruction->declaration.register_semantic.reg,
instruction->declaration.register_semantic.sysval_semantic);
if (instruction->declaration.register_semantic.sysval_semantic == VKD3D_SIV_POSITION)
compiler->position_id = id;
}
static void vkd3d_dxbc_compiler_emit_dcl_thread_group(struct vkd3d_dxbc_compiler *compiler,
@ -2005,24 +2001,10 @@ static void vkd3d_dxbc_compiler_emit_comparison_instruction(struct vkd3d_dxbc_co
vkd3d_dxbc_compiler_emit_store_reg(compiler, &dst->reg, dst->write_mask, result_id);
}
static void vkd3d_dxbc_compiler_emit_shader_epilogue(struct vkd3d_dxbc_compiler *compiler)
static void vkd3d_dxbc_compiler_emit_return(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
struct vkd3d_spirv_builder *builder = &compiler->spirv_builder;
if ((compiler->options & VKD3D_SHADER_FLIP_Y) && compiler->position_id)
{
uint32_t float_id, ptr_type_id, index, chain_id, val_id;
float_id = vkd3d_spirv_get_type_id(builder, VKD3D_TYPE_FLOAT, 1);
ptr_type_id = vkd3d_dxbc_compiler_get_pointer_type(compiler, float_id, SpvStorageClassOutput);
index = vkd3d_dxbc_compiler_get_constant_uint(compiler, 1);
chain_id = vkd3d_spirv_build_op_in_bounds_access_chain(builder,
ptr_type_id, compiler->position_id, &index, 1);
val_id = vkd3d_spirv_build_op_load(builder, float_id, chain_id, SpvMemoryAccessMaskNone);
val_id = vkd3d_spirv_build_op_f_negate(builder, float_id, val_id);
vkd3d_spirv_build_op_store(builder, chain_id, val_id, SpvMemoryAccessMaskNone);
}
vkd3d_spirv_build_op_return(&compiler->spirv_builder);
}
static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_compiler *compiler,
@ -2092,13 +2074,6 @@ static void vkd3d_dxbc_compiler_emit_control_flow_instruction(struct vkd3d_dxbc_
}
}
static void vkd3d_dxbc_compiler_emit_return(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{
vkd3d_dxbc_compiler_emit_shader_epilogue(compiler);
vkd3d_spirv_build_op_return(&compiler->spirv_builder);
}
void vkd3d_dxbc_compiler_handle_instruction(struct vkd3d_dxbc_compiler *compiler,
const struct vkd3d_shader_instruction *instruction)
{

3
programs/vkd3d-compiler/main.c
View File

@ -89,7 +89,6 @@ static const struct
}
compiler_options[] =
{
{"--flip-y", VKD3D_SHADER_FLIP_Y},
{"--strip-debug", VKD3D_SHADER_STRIP_DEBUG},
};
@ -144,7 +143,7 @@ int main(int argc, char **argv)
if (!parse_command_line(argc, argv, &options))
{
fprintf(stderr,
"usage: %s [--strip-degug] [--flip-y] [-o <out_spirv_filename>] <dxbc_filename>\n",
"usage: %s [--strip-degug] [-o <out_spirv_filename>] <dxbc_filename>\n",
argv[0]);
return 1;
}