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vkd3d-shader/glsl: Implement support for VKD3DSPR_TEMP registers.

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This commit is contained in:
Atharva Nimbalkar 2021-08-23 21:02:31 +05:30 committed by Henri Verbeet
parent 337a030908
commit 2170fdc633
Notes: Henri Verbeet 2024-07-30 16:37:56 +02:00 
Approved-by: Giovanni Mascellani (@giomasce)
Approved-by: Henri Verbeet (@hverbeet)
Merge-Request: https://gitlab.winehq.org/wine/vkd3d/-/merge_requests/969
1 changed files with 23 additions and 3 deletions
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20
libs/vkd3d-shader/glsl.c
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@ -61,9 +61,18 @@ static void shader_glsl_print_indent(struct vkd3d_string_buffer *buffer, unsigne
static void shader_glsl_print_register_name(struct vkd3d_string_buffer *buffer,
struct vkd3d_glsl_generator *gen, const struct vkd3d_shader_register *reg)
{
switch (reg->type)
{
case VKD3DSPR_TEMP:
vkd3d_string_buffer_printf(buffer, "r[%u]", reg->idx[0].offset);
break;
default:
vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
"Internal compiler error: Unhandled register type %#x.", reg->type);
vkd3d_string_buffer_printf(buffer, "<unrecognised register %#x>", reg->type);
break;
}
}
static void shader_glsl_print_swizzle(struct vkd3d_string_buffer *buffer, uint32_t swizzle, uint32_t mask)
@ -228,6 +237,15 @@ static void vkd3d_glsl_handle_instruction(struct vkd3d_glsl_generator *gen,
}
}
static void shader_glsl_generate_declarations(struct vkd3d_glsl_generator *gen)
{
const struct vsir_program *program = gen->program;
struct vkd3d_string_buffer *buffer = gen->buffer;
if (program->temp_count)
vkd3d_string_buffer_printf(buffer, "vec4 r[%u];\n\n", program->temp_count);
}
static int vkd3d_glsl_generator_generate(struct vkd3d_glsl_generator *gen, struct vkd3d_shader_code *out)
{
const struct vkd3d_shader_instruction_array *instructions = &gen->program->instructions;
@ -241,6 +259,8 @@ static int vkd3d_glsl_generator_generate(struct vkd3d_glsl_generator *gen, struc
vkd3d_string_buffer_printf(buffer, "/* Generated by %s. */\n\n", vkd3d_shader_get_version(NULL, NULL));
shader_glsl_generate_declarations(gen);
vkd3d_string_buffer_printf(buffer, "void main()\n{\n");
++gen->indent;