[PATCH vkd3d 8/8] vkd3d-shader/glsl: Implement shader_glsl_get_register_name().
Atharva Nimbalkar
atharvakn at gmail.com
Tue Aug 17 23:19:21 CDT 2021
Signed-off-by: Atharva Nimbalkar <atharvakn at gmail.com>
---
libs/vkd3d-shader/glsl.c | 58 +++++++++++++++++++++++++++++++++++-----
1 file changed, 52 insertions(+), 6 deletions(-)
diff --git a/libs/vkd3d-shader/glsl.c b/libs/vkd3d-shader/glsl.c
index 32458f0..afab2c3 100644
--- a/libs/vkd3d-shader/glsl.c
+++ b/libs/vkd3d-shader/glsl.c
@@ -219,13 +219,59 @@ static void shader_glsl_get_register_name(struct vkd3d_glsl_generator *gen,
const struct vkd3d_shader_register *reg, enum vkd3d_data_type data_type,
struct vkd3d_string_buffer *register_name, bool *is_swizzled)
{
- /* TODO: Add implementation
- * Sets an error state as of now
- */
- if(is_swizzled)
+ /*
+ * Currently adds support for input and output shaders.
+ * with support for relative addressing.
+ */
+
+ const struct vkd3d_shader_version *version = &gen->version;
+ const char *prefix = shader_get_type_prefix(version->type);
+ struct glsl_src_param rel_param0, rel_param1;
+
+ rel_param0.param_str = vkd3d_string_buffer_get(&gen->string_buffers);
+ rel_param1.param_str = vkd3d_string_buffer_get(&gen->string_buffers);
+ if (reg->idx[0].offset != ~0u && reg->idx[0].rel_addr)
+ glsl_src_param_init_ext(gen, reg->idx[0].rel_addr, VKD3DSP_WRITEMASK_0,
+ &rel_param0, reg->idx[0].rel_addr->reg.data_type);
+ if (reg->idx[1].offset != ~0u && reg->idx[1].rel_addr)
+ glsl_src_param_init_ext(gen, reg->idx[1].rel_addr, VKD3DSP_WRITEMASK_0,
+ &rel_param1, reg->idx[1].rel_addr->reg.data_type);
+ if (is_swizzled)
*is_swizzled = false;
- vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
- "Internal compiler error: Unhandled register type %#x.", reg->type);
+
+ switch (reg->type)
+ {
+ case VKD3DSPR_INPUT:
+ if (version->type == VKD3D_SHADER_TYPE_VERTEX)
+ {
+ if (reg->idx[0].rel_addr)
+ {
+ vkd3d_string_buffer_printf(register_name, "%s_in[%s + %u]",
+ prefix, rel_param0.param_str->buffer, reg->idx[0].offset);
+ }
+ else
+ {
+ vkd3d_string_buffer_printf(register_name, "%s_in%u", prefix, reg->idx[0].offset);
+ }
+ break;
+ }
+ break;
+ case VKD3DSPR_OUTPUT:
+ if (reg->idx[0].rel_addr)
+ vkd3d_string_buffer_printf(register_name, "%s_out[%s + %u]",
+ prefix, rel_param0.param_str->buffer, reg->idx[0].offset);
+ else
+ vkd3d_string_buffer_printf(register_name, "%s_out[%u]", prefix, reg->idx[0].offset);
+ break;
+ default:
+ vkd3d_string_buffer_printf(register_name, "unrecognised_register");
+ vkd3d_glsl_compiler_error(gen, VKD3D_SHADER_ERROR_GLSL_INTERNAL,
+ "Unhandled register type %#x.\n", reg->type);
+ break;
+ }
+
+ glsl_src_param_cleanup(&rel_param0, &gen->string_buffers);
+ glsl_src_param_cleanup(&rel_param1, &gen->string_buffers);
}
static void shader_glsl_sprintf_cast(struct vkd3d_glsl_generator *gen,
--
2.32.0
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