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/*
* Mesa 3-D graphics library
*
* Copyright (C) 2013 LunarG, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
* DEALINGS IN THE SOFTWARE.
*
* Authors:
* Chia-I Wu <olv@lunarg.com>
*/
#ifndef ILO_GPE_H
#define ILO_GPE_H
#include "ilo_common.h"
/**
* \see brw_context.h
*/
#define ILO_MAX_DRAW_BUFFERS 8
#define ILO_MAX_CONST_BUFFERS (1 + 12)
#define ILO_MAX_SAMPLER_VIEWS 16
#define ILO_MAX_SAMPLERS 16
#define ILO_MAX_SO_BINDINGS 64
#define ILO_MAX_SO_BUFFERS 4
#define ILO_MAX_VIEWPORTS 1
#define ILO_MAX_VS_SURFACES (ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
#define ILO_VS_CONST_SURFACE(i) (i)
#define ILO_VS_TEXTURE_SURFACE(i) (ILO_MAX_CONST_BUFFERS + i)
#define ILO_MAX_GS_SURFACES (ILO_MAX_SO_BINDINGS)
#define ILO_GS_SO_SURFACE(i) (i)
#define ILO_MAX_WM_SURFACES (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + ILO_MAX_SAMPLER_VIEWS)
#define ILO_WM_DRAW_SURFACE(i) (i)
#define ILO_WM_CONST_SURFACE(i) (ILO_MAX_DRAW_BUFFERS + i)
#define ILO_WM_TEXTURE_SURFACE(i) (ILO_MAX_DRAW_BUFFERS + ILO_MAX_CONST_BUFFERS + i)
struct ilo_vb_state {
struct pipe_vertex_buffer states[PIPE_MAX_ATTRIBS];
uint32_t enabled_mask;
};
struct ilo_ib_state {
struct pipe_index_buffer state;
};
struct ilo_ve_state {
struct pipe_vertex_element states[PIPE_MAX_ATTRIBS];
unsigned count;
};
struct ilo_so_state {
struct pipe_stream_output_target *states[ILO_MAX_SO_BUFFERS];
unsigned count;
unsigned append_bitmask;
bool enabled;
};
struct ilo_viewport_cso {
/* matrix form */
float m00, m11, m22, m30, m31, m32;
/* guardband in NDC space */
float min_gbx, min_gby, max_gbx, max_gby;
/* viewport in screen space */
float min_x, min_y, min_z;
float max_x, max_y, max_z;
};
struct ilo_viewport_state {
struct ilo_viewport_cso cso[ILO_MAX_VIEWPORTS];
unsigned count;
struct pipe_viewport_state viewport0;
};
struct ilo_scissor_state {
/* SCISSOR_RECT */
uint32_t payload[ILO_MAX_VIEWPORTS * 2];
};
struct ilo_rasterizer_state {
struct pipe_rasterizer_state state;
};
struct ilo_dsa_state {
struct pipe_depth_stencil_alpha_state state;
};
struct ilo_blend_state {
struct pipe_blend_state state;
};
struct ilo_sampler_state {
struct pipe_sampler_state *states[ILO_MAX_SAMPLERS];
unsigned count;
};
struct ilo_view_state {
struct pipe_sampler_view *states[ILO_MAX_SAMPLER_VIEWS];
unsigned count;
};
struct ilo_cbuf_state {
struct pipe_constant_buffer states[ILO_MAX_CONST_BUFFERS];
unsigned count;
};
struct ilo_resource_state {
struct pipe_surface *states[PIPE_MAX_SHADER_RESOURCES];
unsigned count;
};
struct ilo_fb_state {
struct pipe_framebuffer_state state;
unsigned num_samples;
};
struct ilo_global_binding {
/*
* XXX These should not be treated as real resources (and there could be
* thousands of them). They should be treated as regions in GLOBAL
* resource, which is the only real resource.
*
* That is, a resource here should instead be
*
* struct ilo_global_region {
* struct pipe_resource base;
* int offset;
* int size;
* };
*
* and it describes the region [offset, offset + size) in GLOBAL
* resource.
*/
struct pipe_resource *resources[PIPE_MAX_SHADER_RESOURCES];
uint32_t *handles[PIPE_MAX_SHADER_RESOURCES];
unsigned count;
};
void
ilo_gpe_set_viewport_cso(const struct ilo_dev_info *dev,
const struct pipe_viewport_state *state,
struct ilo_viewport_cso *vp);
void
ilo_gpe_set_scissor(const struct ilo_dev_info *dev,
unsigned start_slot,
unsigned num_states,
const struct pipe_scissor_state *states,
struct ilo_scissor_state *scissor);
void
ilo_gpe_set_scissor_null(const struct ilo_dev_info *dev,
struct ilo_scissor_state *scissor);
#endif /* ILO_GPE_H */
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