d3d8_common.h

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/* RetroArch - A frontend for libretro.
 * Copyright (C) 2011-2017 - Daniel De Matteis
 *
 * RetroArch is free software: you can redistribute it and/or modify it under the terms
 * of the GNU General Public License as published by the Free Software Found-
 * ation, either version 3 of the License, or (at your option) any later version.
 *
 * RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
 * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
 * PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with RetroArch.
 * If not, see <http://www.gnu.org/licenses/>.
 */

#ifndef _D3D8_COMMON_H
#define _D3D8_COMMON_H

#include <boolean.h>
#include <retro_common_api.h>
#include <retro_inline.h>

#include <d3d8.h>

#include "../video_driver.h"
#include "../../verbosity.h"

RETRO_BEGIN_DECLS

typedef struct d3d8_video
{
 bool keep_aspect;
 bool should_resize;
 bool quitting;
 bool needs_restore;
 bool overlays_enabled;
 /* TODO - refactor this away properly. */
 bool resolution_hd_enable;

 unsigned cur_mon_id;
 unsigned dev_rotation;

 overlay_t *menu;
 void *renderchain_data;

 math_matrix_4x4 mvp;
 math_matrix_4x4 mvp_rotate;
 math_matrix_4x4 mvp_transposed;

 struct video_viewport vp;
 struct video_shader shader;
 video_info_t video_info;
#ifdef HAVE_WINDOW
 WNDCLASSEX windowClass;
#endif
 LPDIRECT3DDEVICE8 dev;
 D3DVIEWPORT8 final_viewport;

 char *shader_path;

 struct
 {
 int size;
 int offset;
 void *buffer;
 void *decl;
 }menu_display;

 size_t overlays_size;
 overlay_t *overlays;
} d3d8_video_t;

static INLINE bool d3d8_swap(void *data, LPDIRECT3DDEVICE8 dev)
{
 if (IDirect3DDevice8_Present(dev, NULL, NULL, NULL, NULL) 
 == D3DERR_DEVICELOST)
 return false;
 return true;
}

static INLINE void *d3d8_vertex_buffer_new(
 LPDIRECT3DDEVICE8 dev,
 unsigned length, unsigned usage,
 unsigned fvf, D3DPOOL pool, void *handle)
{
 void *buf = NULL;
 if (FAILED(IDirect3DDevice8_CreateVertexBuffer(
 dev, length, usage, fvf,
 pool,
 (struct IDirect3DVertexBuffer8**)&buf)))
 return NULL;
 return buf;
}

static INLINE void *
d3d8_vertex_buffer_lock(LPDIRECT3DVERTEXBUFFER8 vertbuf)
{
 void *buf = NULL;

 if (!vertbuf)
 return NULL;

 IDirect3DVertexBuffer8_Lock(vertbuf, 0, 0, (BYTE**)&buf, 0);

 if (!buf)
 return NULL;

 return buf;
}

static INLINE void d3d8_vertex_buffer_unlock(
 LPDIRECT3DVERTEXBUFFER8 vertbuf)
{
 if (vertbuf)
 IDirect3DVertexBuffer8_Unlock(vertbuf);
}

static INLINE void d3d8_vertex_buffer_free(
 LPDIRECT3DVERTEXBUFFER8 buf,
 void *vertex_declaration)
{
 if (buf)
 {
 IDirect3DVertexBuffer8_Release(buf);
 buf = NULL;
 }
}

static INLINE bool d3d8_texture_get_level_desc(
 LPDIRECT3DTEXTURE8 tex,
 unsigned idx, void *_ppsurface_level)
{
 if (SUCCEEDED(IDirect3DTexture8_GetLevelDesc(
 tex, idx, (D3DSURFACE_DESC*)_ppsurface_level)))
 return true;
 return false;
}

static INLINE bool d3d8_texture_get_surface_level(
 LPDIRECT3DTEXTURE8 tex,
 unsigned idx, void **_ppsurface_level)
{
 if (tex &&
 SUCCEEDED(
 IDirect3DTexture8_GetSurfaceLevel(
 tex, idx, (IDirect3DSurface8**)_ppsurface_level)))
 return true;
 return false;
}

void *d3d8_texture_new(LPDIRECT3DDEVICE8 dev,
 const char *path, unsigned width, unsigned height,
 unsigned miplevels, unsigned usage, INT32 format,
 INT32 pool, unsigned filter, unsigned mipfilter,
 INT32 color_key, void *src_info_data,
 PALETTEENTRY *palette, bool want_mipmap);

static INLINE void d3d8_set_stream_source(LPDIRECT3DDEVICE8 dev,
 unsigned stream_no,
 LPDIRECT3DVERTEXBUFFER8 stream_vertbuf,
 unsigned offset_bytes,
 unsigned stride)
{
 if (stream_vertbuf)
 IDirect3DDevice8_SetStreamSource(dev,
 stream_no, stream_vertbuf, stride);
}

static INLINE void d3d8_texture_free(LPDIRECT3DTEXTURE8 tex)
{
 if (tex)
 IDirect3DTexture8_Release(tex);
}

static INLINE void d3d8_set_transform(LPDIRECT3DDEVICE8 dev,
 D3DTRANSFORMSTATETYPE state, const D3DMATRIX *matrix)
{
 IDirect3DDevice8_SetTransform(dev, state, matrix);
}

static INLINE void d3d8_set_texture_stage_state(LPDIRECT3DDEVICE8 dev,
 unsigned sampler, D3DTEXTURESTAGESTATETYPE type, unsigned value)
{
 if (IDirect3DDevice8_SetTextureStageState(dev, sampler,
 (D3DTEXTURESTAGESTATETYPE)type, value) != D3D_OK)
 RARCH_ERR("SetTextureStageState call failed, sampler: %d, value: %d, type: %d\n", sampler, value, type);
}

static INLINE void d3d8_set_sampler_address_u(LPDIRECT3DDEVICE8 dev,
 unsigned sampler, unsigned value)
{
 d3d8_set_texture_stage_state(dev, sampler, D3DTSS_ADDRESSU, value);
}

static INLINE void d3d8_set_sampler_address_v(LPDIRECT3DDEVICE8 dev,
 unsigned sampler, unsigned value)
{
 d3d8_set_texture_stage_state(dev, sampler, D3DTSS_ADDRESSV, value);
}

static INLINE void d3d8_set_sampler_minfilter(void *_dev,
 unsigned sampler, unsigned value)
{
 d3d8_set_texture_stage_state(_dev, sampler, D3DTSS_MINFILTER, value);
}

static INLINE void d3d8_set_sampler_magfilter(void *_dev,
 unsigned sampler, unsigned value)
{
 d3d8_set_texture_stage_state(_dev, sampler, D3DTSS_MAGFILTER, value);
}

void d3d8_set_sampler_mipfilter(void *dev,
 unsigned sampler, unsigned value);

static INLINE bool d3d8_begin_scene(LPDIRECT3DDEVICE8 dev)
{
 if (!dev)
 return false;
#ifdef _XBOX
 IDirect3DDevice8_BeginScene(dev);
#else
 if (FAILED(IDirect3DDevice8_BeginScene(dev)))
 return false;
#endif

 return true;
}

static INLINE void d3d8_end_scene(LPDIRECT3DDEVICE8 dev)
{
 if (dev)
 IDirect3DDevice8_EndScene(dev);
}

static INLINE void d3d8_draw_primitive(LPDIRECT3DDEVICE8 dev,
 D3DPRIMITIVETYPE type, unsigned start, unsigned count)
{
 if (!d3d8_begin_scene(dev))
 return;

 IDirect3DDevice8_DrawPrimitive(dev, type, start, count);
 d3d8_end_scene(dev);
}

static INLINE void d3d8_clear(LPDIRECT3DDEVICE8 dev,
 unsigned count, const void *rects, unsigned flags,
 INT32 color, float z, unsigned stencil)
{
 if (dev)
 IDirect3DDevice8_Clear(dev, count, (const D3DRECT*)rects, flags,
 color, z, stencil);
}

static INLINE bool d3d8_lock_rectangle(
 LPDIRECT3DTEXTURE8 tex,
 unsigned level, D3DLOCKED_RECT *lr, RECT *rect,
 unsigned rectangle_height, unsigned flags)
{
 if (tex &&
 IDirect3DTexture8_LockRect(tex,
 level, lr, rect, flags) == D3D_OK)
 return true;
 return false;
}

static INLINE void d3d8_unlock_rectangle(LPDIRECT3DTEXTURE8 tex)
{
 if (tex)
 IDirect3DTexture8_UnlockRect(tex, 0);
}

static INLINE void d3d8_lock_rectangle_clear(
 void *tex,
 unsigned level, D3DLOCKED_RECT *lr, RECT *rect,
 unsigned rectangle_height, unsigned flags)
{
#if defined(_XBOX)
 level = 0;
#endif
 memset(lr->pBits, level, rectangle_height * lr->Pitch);
 d3d8_unlock_rectangle(tex);
}

static INLINE void d3d8_set_texture(
 LPDIRECT3DDEVICE8 dev, unsigned sampler,
 LPDIRECT3DTEXTURE8 tex)
{
 if (dev && tex)
 IDirect3DDevice8_SetTexture(dev, sampler,
 (IDirect3DBaseTexture8*)tex);
}

static INLINE bool d3d8_set_vertex_shader(
 LPDIRECT3DDEVICE8 dev,
 unsigned index,
 void *data)
{
 if (IDirect3DDevice8_SetVertexShader(dev, index) != D3D_OK)
 return false;
 return true;
}

static INLINE void d3d8_texture_blit(
 unsigned pixel_size,
 void *tex,
 D3DLOCKED_RECT *lr,
 const void *frame,
 unsigned width, unsigned height, unsigned pitch)
{
 unsigned y;

 for (y = 0; y < height; y++)
 {
 const uint8_t *in = (const uint8_t*)frame + y * pitch;
 uint8_t *out = (uint8_t*)lr->pBits + y * lr->Pitch;
 memcpy(out, in, width * pixel_size);
 }
}

static INLINE void d3d8_set_viewports(
 LPDIRECT3DDEVICE8 dev,
 void *vp)
{
 if (dev)
 IDirect3DDevice8_SetViewport(dev, (D3DVIEWPORT8*)vp);
}

static INLINE void d3d8_set_render_state(
 LPDIRECT3DDEVICE8 dev,
 D3DRENDERSTATETYPE state,
 DWORD value)
{
 if (dev)
 IDirect3DDevice8_SetRenderState(dev, state, value);
}

static INLINE void d3d8_enable_blend_func(void *data)
{
 if (!data)
 return;

 d3d8_set_render_state(data, D3DRS_SRCBLEND, D3DBLEND_SRCALPHA);
 d3d8_set_render_state(data, D3DRS_DESTBLEND, D3DBLEND_INVSRCALPHA);
 d3d8_set_render_state(data, D3DRS_ALPHABLENDENABLE, true);
}

static INLINE void d3d8_disable_blend_func(void *data)
{
 d3d8_set_render_state(data, D3DRS_ALPHABLENDENABLE, false);
}

static INLINE void d3d8_enable_alpha_blend_texture_func(void *data)
{
 /* Also blend the texture with the set alpha value. */
 d3d8_set_texture_stage_state(data, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE);
 d3d8_set_texture_stage_state(data, 0, D3DTSS_ALPHAARG1, D3DTA_DIFFUSE);
 d3d8_set_texture_stage_state(data, 0, D3DTSS_ALPHAARG2, D3DTA_TEXTURE);
}

void d3d8_frame_postprocess(void *data);

static INLINE void d3d8_surface_free(LPDIRECT3DSURFACE8 surf)
{
 if (surf)
 IDirect3DSurface8_Release(surf);
}

static INLINE bool d3d8_device_get_render_target(
 LPDIRECT3DDEVICE8 dev,
 unsigned idx, void **data)
{
 if (dev &&
 SUCCEEDED(IDirect3DDevice8_GetRenderTarget(dev,
 (LPDIRECT3DSURFACE8*)data)))
 return true;
 return false;
}

static INLINE void d3d8_device_set_render_target(
 LPDIRECT3DDEVICE8 dev, unsigned idx,
 LPDIRECT3DSURFACE8 surf)
{
 if (dev)
 IDirect3DDevice8_SetRenderTarget(dev, surf, NULL);
}

static INLINE bool d3d8_get_render_state(LPDIRECT3DDEVICE8 dev,
 D3DRENDERSTATETYPE state, DWORD *value)
{
 if (dev && 
 IDirect3DDevice8_GetRenderState(dev, state, value) == D3D_OK)
 return true;
 return false;
}

static INLINE bool d3d8_surface_lock_rect(
 LPDIRECT3DSURFACE8 surf, void *data2)
{
 if (surf &&
 SUCCEEDED(
 IDirect3DSurface8_LockRect(
 surf, (D3DLOCKED_RECT*)data2,
 NULL, D3DLOCK_READONLY)))
 return true;
 return false;
}

static INLINE void d3d8_surface_unlock_rect(LPDIRECT3DSURFACE8 surf)
{
 if (surf)
 IDirect3DSurface8_UnlockRect(surf);
}

static INLINE bool d3d8_get_adapter_display_mode(
 LPDIRECT3D8 d3d,
 unsigned idx,
 void *display_mode)
{
 if (d3d &&
 SUCCEEDED(IDirect3D8_GetAdapterDisplayMode(
 d3d, idx, (D3DDISPLAYMODE*)display_mode)))
 return true;
 return false;
}

bool d3d8_create_device(void *dev,
 void *d3dpp,
 LPDIRECT3D8 d3d,
 HWND focus_window,
 unsigned cur_mon_id);

bool d3d8_reset(void *dev, void *d3dpp);

static INLINE bool d3d8_device_get_backbuffer(
 LPDIRECT3DDEVICE8 dev, 
 unsigned idx, unsigned swapchain_idx, 
 unsigned backbuffer_type, void **data)
{
 if (dev &&
 SUCCEEDED(IDirect3DDevice8_GetBackBuffer(dev, idx,
 (D3DBACKBUFFER_TYPE)backbuffer_type,
 (LPDIRECT3DSURFACE8*)data)))
 return true;
 return false;
}

static INLINE void d3d8_device_free(
 LPDIRECT3DDEVICE8 dev, LPDIRECT3D8 pd3d)
{
 if (dev)
 IDirect3DDevice8_Release(dev);
 if (pd3d)
 IDirect3D8_Release(pd3d);
}

void *d3d8_create(void);

bool d3d8_initialize_symbols(enum gfx_ctx_api api);

void d3d8_deinitialize_symbols(void);

static INLINE bool d3d8_check_device_type(
 LPDIRECT3D8 d3d,
 unsigned idx,
 INT32 disp_format,
 INT32 backbuffer_format,
 bool windowed_mode)
{
 if (d3d &&
 SUCCEEDED(IDirect3D8_CheckDeviceType(d3d,
 0,
 D3DDEVTYPE_HAL,
 disp_format,
 backbuffer_format,
 windowed_mode)))
 return true;
 return false;
}

bool d3d8x_create_font_indirect(LPDIRECT3DDEVICE8 dev,
 void *desc, void **font_data);

void d3d8x_font_draw_text(void *data, void *sprite_data, void *string_data,
 unsigned count, void *rect_data, unsigned format, unsigned color);

void d3d8x_font_get_text_metrics(void *data, void *metrics);

void d3d8x_font_release(void *data);

static INLINE INT32 d3d8_get_rgb565_format(void)
{
#ifdef _XBOX
 return D3DFMT_LIN_R5G6B5;
#else
 return D3DFMT_R5G6B5;
#endif
}

static INLINE INT32 d3d8_get_argb8888_format(void)
{
#ifdef _XBOX
 return D3DFMT_LIN_A8R8G8B8;
#else
 return D3DFMT_A8R8G8B8;
#endif
}

static INLINE INT32 d3d8_get_xrgb8888_format(void)
{
#ifdef _XBOX
 return D3DFMT_LIN_X8R8G8B8;
#else
 return D3DFMT_X8R8G8B8;
#endif
}

RETRO_END_DECLS

#endif