[PATCH 3/8] wined3d: Implement SM5 deriv_rtx_coarse instruction.
Henri Verbeet
hverbeet at gmail.com
Mon Jul 25 05:48:54 CDT 2016
On 22 July 2016 at 12:28, Józef Kucia <jkucia at codeweavers.com> wrote:
> +static void shader_glsl_derivative(const struct wined3d_shader_instruction *ins)
> +{
> + const struct wined3d_gl_info *gl_info = ins->ctx->gl_info;
> + struct wined3d_string_buffer *buffer = ins->ctx->buffer;
> + struct glsl_src_param src_param;
> + const char *instruction;
> + DWORD write_mask;
> +
> + if (!gl_info->supported[ARB_DERIVATIVE_CONTROL])
> + {
> + FIXME("OpenGL implementation does not support ARB_derivative_control.\n");
> + return;
> + }
> +
> + switch (ins->handler_idx)
> + {
> + case WINED3DSIH_DSX_COARSE: instruction = "dFdxCoarse"; break;
> + default: ERR("Unhandled opcode %#x.\n", ins->handler_idx); return;
> + }
> +
> + write_mask = shader_glsl_append_dst(buffer, ins);
> + shader_glsl_add_src_param(ins, &ins->src[0], write_mask, &src_param);
> + shader_addline(buffer, "%s(%s));\n", instruction, src_param.param_str);
> +}
It doesn't matter that much, but is there any reason
shader_glsl_map2gl() can't handle these?
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