236 lines
10 KiB
C
236 lines
10 KiB
C
/******************************************************************************
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Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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******************************************************************************/
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#pragma once
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#include "../util/threading.h"
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#include "../util/darray.h"
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#include "graphics.h"
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#include "matrix3.h"
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#include "matrix4.h"
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struct gs_exports {
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const char *(*device_preprocessor_name)(void);
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device_t (*device_create)(struct gs_init_data *data);
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void (*device_destroy)(device_t device);
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void (*device_entercontext)(device_t device);
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void (*device_leavecontext)(device_t device);
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swapchain_t (*device_create_swapchain)(device_t device,
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struct gs_init_data *data);
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void (*device_resize)(device_t device, uint32_t x, uint32_t y);
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void (*device_getsize)(device_t device, uint32_t *x, uint32_t *y);
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uint32_t (*device_getwidth)(device_t device);
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uint32_t (*device_getheight)(device_t device);
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texture_t (*device_create_texture)(device_t device, uint32_t width,
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uint32_t height, enum gs_color_format color_format,
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uint32_t levels, const void **data, uint32_t flags);
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texture_t (*device_create_cubetexture)(device_t device, uint32_t size,
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enum gs_color_format color_format, uint32_t levels,
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const void **data, uint32_t flags);
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texture_t (*device_create_volumetexture)(device_t device,
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uint32_t width, uint32_t height, uint32_t depth,
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enum gs_color_format color_format, uint32_t levels,
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const void **data, uint32_t flags);
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zstencil_t (*device_create_zstencil)(device_t device,
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uint32_t width, uint32_t height,
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enum gs_zstencil_format format);
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stagesurf_t (*device_create_stagesurface)(device_t device,
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uint32_t width, uint32_t height,
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enum gs_color_format color_format);
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samplerstate_t (*device_create_samplerstate)(device_t device,
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struct gs_sampler_info *info);
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shader_t (*device_create_vertexshader)(device_t device,
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const char *shader, const char *file,
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char **error_string);
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shader_t (*device_create_pixelshader)(device_t device,
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const char *shader, const char *file,
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char **error_string);
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vertbuffer_t (*device_create_vertexbuffer)(device_t device,
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struct vb_data *data, uint32_t flags);
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indexbuffer_t (*device_create_indexbuffer)(device_t device,
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enum gs_index_type type, void *indices, size_t num,
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uint32_t flags);
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enum gs_texture_type (*device_gettexturetype)(texture_t texture);
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void (*device_load_vertexbuffer)(device_t device,
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vertbuffer_t vertbuffer);
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void (*device_load_indexbuffer)(device_t device,
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indexbuffer_t indexbuffer);
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void (*device_load_texture)(device_t device, texture_t tex, int unit);
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void (*device_load_samplerstate)(device_t device,
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samplerstate_t samplerstate, int unit);
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void (*device_load_vertexshader)(device_t device, shader_t vertshader);
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void (*device_load_pixelshader)(device_t device, shader_t pixelshader);
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void (*device_load_defaultsamplerstate)(device_t device, bool b_3d,
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int unit);
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shader_t (*device_getvertexshader)(device_t device);
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shader_t (*device_getpixelshader)(device_t device);
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texture_t (*device_getrendertarget)(device_t device);
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zstencil_t (*device_getzstenciltarget)(device_t device);
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void (*device_setrendertarget)(device_t device, texture_t tex,
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zstencil_t zstencil);
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void (*device_setcuberendertarget)(device_t device, texture_t cubetex,
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int side, zstencil_t zstencil);
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void (*device_copy_texture)(device_t device, texture_t dst,
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texture_t src);
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void (*device_stage_texture)(device_t device, stagesurf_t dst,
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texture_t src);
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void (*device_beginscene)(device_t device);
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void (*device_draw)(device_t device, enum gs_draw_mode draw_mode,
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uint32_t start_vert, uint32_t num_verts);
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void (*device_endscene)(device_t device);
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void (*device_load_swapchain)(device_t device, swapchain_t swaphchain);
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void (*device_clear)(device_t device, uint32_t clear_flags,
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struct vec4 *color, float depth, uint8_t stencil);
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void (*device_present)(device_t device);
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void (*device_setcullmode)(device_t device, enum gs_cull_mode mode);
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enum gs_cull_mode (*device_getcullmode)(device_t device);
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void (*device_enable_blending)(device_t device, bool enable);
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void (*device_enable_depthtest)(device_t device, bool enable);
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void (*device_enable_stenciltest)(device_t device, bool enable);
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void (*device_enable_stencilwrite)(device_t device, bool enable);
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void (*device_enable_color)(device_t device, bool red, bool green,
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bool blue, bool alpha);
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void (*device_blendfunction)(device_t device, enum gs_blend_type src,
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enum gs_blend_type dest);
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void (*device_depthfunction)(device_t device, enum gs_depth_test test);
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void (*device_stencilfunction)(device_t device,
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enum gs_stencil_side side, enum gs_depth_test test);
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void (*device_stencilop)(device_t device, enum gs_stencil_side side,
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enum gs_stencil_op fail, enum gs_stencil_op zfail,
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enum gs_stencil_op zpass);
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void (*device_enable_fullscreen)(device_t device, bool enable);
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int (*device_fullscreen_enabled)(device_t device);
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void (*device_setdisplaymode)(device_t device,
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const struct gs_display_mode *mode);
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void (*device_getdisplaymode)(device_t device,
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struct gs_display_mode *mode);
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void (*device_setcolorramp)(device_t device, float gamma,
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float brightness, float contrast);
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void (*device_setviewport)(device_t device, int x, int y, int width,
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int height);
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void (*device_getviewport)(device_t device, struct gs_rect *rect);
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void (*device_setscissorrect)(device_t device, struct gs_rect *rect);
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void (*device_ortho)(device_t device, float left, float right,
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float top, float bottom, float znear, float zfar);
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void (*device_frustum)(device_t device, float left, float right,
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float top, float bottom, float znear, float zfar);
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void (*device_projection_push)(device_t device);
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void (*device_projection_pop)(device_t device);
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void (*swapchain_destroy)(swapchain_t swapchain);
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void (*texture_destroy)(texture_t tex);
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uint32_t (*texture_getwidth)(texture_t tex);
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uint32_t (*texture_getheight)(texture_t tex);
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enum gs_color_format (*texture_getcolorformat)(texture_t tex);
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bool (*texture_map)(texture_t tex, void **ptr,
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uint32_t *linesize);
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void (*texture_unmap)(texture_t tex);
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bool (*texture_isrect)(texture_t tex);
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void (*cubetexture_destroy)(texture_t cubetex);
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uint32_t (*cubetexture_getsize)(texture_t cubetex);
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enum gs_color_format (*cubetexture_getcolorformat)(texture_t cubetex);
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void (*volumetexture_destroy)(texture_t voltex);
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uint32_t (*volumetexture_getwidth)(texture_t voltex);
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uint32_t (*volumetexture_getheight)(texture_t voltex);
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uint32_t (*volumetexture_getdepth)(texture_t voltex);
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enum gs_color_format (*volumetexture_getcolorformat)(texture_t voltex);
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void (*stagesurface_destroy)(stagesurf_t stagesurf);
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uint32_t (*stagesurface_getwidth)(stagesurf_t stagesurf);
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uint32_t (*stagesurface_getheight)(stagesurf_t stagesurf);
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enum gs_color_format (*stagesurface_getcolorformat)(
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stagesurf_t stagesurf);
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bool (*stagesurface_map)(stagesurf_t stagesurf,
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const uint8_t **data, uint32_t *linesize);
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void (*stagesurface_unmap)(stagesurf_t stagesurf);
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void (*zstencil_destroy)(zstencil_t zstencil);
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void (*samplerstate_destroy)(samplerstate_t samplerstate);
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void (*vertexbuffer_destroy)(vertbuffer_t vertbuffer);
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void (*vertexbuffer_flush)(vertbuffer_t vertbuffer, bool rebuild);
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struct vb_data *(*vertexbuffer_getdata)(vertbuffer_t vertbuffer);
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void (*indexbuffer_destroy)(indexbuffer_t indexbuffer);
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void (*indexbuffer_flush)(indexbuffer_t indexbuffer);
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void *(*indexbuffer_getdata)(indexbuffer_t indexbuffer);
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size_t (*indexbuffer_numindices)(indexbuffer_t indexbuffer);
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enum gs_index_type (*indexbuffer_gettype)(indexbuffer_t indexbuffer);
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void (*shader_destroy)(shader_t shader);
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int (*shader_numparams)(shader_t shader);
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sparam_t (*shader_getparambyidx)(shader_t shader, uint32_t param);
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sparam_t (*shader_getparambyname)(shader_t shader, const char *name);
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void (*shader_getparaminfo)(shader_t shader, sparam_t param,
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struct shader_param_info *info);
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sparam_t (*shader_getviewprojmatrix)(shader_t shader);
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sparam_t (*shader_getworldmatrix)(shader_t shader);
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void (*shader_setbool)(shader_t shader, sparam_t param, bool val);
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void (*shader_setfloat)(shader_t shader, sparam_t param, float val);
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void (*shader_setint)(shader_t shader, sparam_t param, int val);
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void (*shader_setmatrix3)(shader_t shader, sparam_t param,
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const struct matrix3 *val);
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void (*shader_setmatrix4)(shader_t shader, sparam_t param,
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const struct matrix4 *val);
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void (*shader_setvec2)(shader_t shader, sparam_t param,
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const struct vec2 *val);
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void (*shader_setvec3)(shader_t shader, sparam_t param,
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const struct vec3 *val);
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void (*shader_setvec4)(shader_t shader, sparam_t param,
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const struct vec4 *val);
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void (*shader_settexture)(shader_t shader, sparam_t param,
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texture_t val);
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void (*shader_setval)(shader_t shader, sparam_t param, const void *val,
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size_t size);
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void (*shader_setdefault)(shader_t shader, sparam_t param);
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/* OSX/Cocoa specific functions */
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texture_t (*texture_create_from_iosurface)(device_t dev, void *iosurf);
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bool (*texture_rebind_iosurface)(texture_t texture, void *iosurf);
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};
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struct graphics_subsystem {
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void *module;
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device_t device;
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struct gs_exports exports;
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DARRAY(struct gs_rect) viewport_stack;
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DARRAY(struct matrix3) matrix_stack;
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size_t cur_matrix;
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struct matrix4 projection;
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struct gs_effect *cur_effect;
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vertbuffer_t sprite_buffer;
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bool using_immediate;
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struct vb_data *vbd;
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vertbuffer_t immediate_vertbuffer;
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DARRAY(struct vec3) verts;
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DARRAY(struct vec3) norms;
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DARRAY(uint32_t) colors;
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DARRAY(struct vec2) texverts[16];
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pthread_mutex_t mutex;
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volatile int ref;
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};
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