60 lines
2.3 KiB
C++
60 lines
2.3 KiB
C++
#ifndef GFX_RENDERING_API_H
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#define GFX_RENDERING_API_H
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#include <stddef.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <map>
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#include <set>
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struct ShaderProgram;
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struct GfxClipParameters {
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bool z_is_from_0_to_1;
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bool invert_y;
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};
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enum FilteringMode {
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THREE_POINT,
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LINEAR,
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NONE
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};
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struct GfxRenderingAPI {
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struct GfxClipParameters (*get_clip_parameters)(void);
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void (*unload_shader)(struct ShaderProgram *old_prg);
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void (*load_shader)(struct ShaderProgram *new_prg);
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struct ShaderProgram *(*create_and_load_new_shader)(uint64_t shader_id0, uint32_t shader_id1);
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struct ShaderProgram *(*lookup_shader)(uint64_t shader_id0, uint32_t shader_id1);
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void (*shader_get_info)(struct ShaderProgram *prg, uint8_t *num_inputs, bool used_textures[2]);
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uint32_t (*new_texture)(void);
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void (*select_texture)(int tile, uint32_t texture_id);
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void (*upload_texture)(const uint8_t *rgba32_buf, uint32_t width, uint32_t height);
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void (*set_sampler_parameters)(int sampler, bool linear_filter, uint32_t cms, uint32_t cmt);
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void (*set_depth_test_and_mask)(bool depth_test, bool z_upd);
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void (*set_zmode_decal)(bool zmode_decal);
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void (*set_viewport)(int x, int y, int width, int height);
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void (*set_scissor)(int x, int y, int width, int height);
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void (*set_use_alpha)(bool use_alpha);
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void (*draw_triangles)(float buf_vbo[], size_t buf_vbo_len, size_t buf_vbo_num_tris);
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void (*init)(void);
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void (*on_resize)(void);
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void (*start_frame)(void);
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void (*end_frame)(void);
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void (*finish_render)(void);
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int (*create_framebuffer)();
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void (*update_framebuffer_parameters)(int fb_id, uint32_t width, uint32_t height, uint32_t msaa_level, bool opengl_invert_y, bool render_target, bool has_depth_buffer, bool can_extract_depth);
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void (*start_draw_to_framebuffer)(int fb_id, float noise_scale);
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void (*clear_framebuffer)(void);
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void (*resolve_msaa_color_buffer)(int fb_id_target, int fb_id_source);
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std::map<std::pair<float, float>, uint16_t> (*get_pixel_depth)(int fb_id, const std::set<std::pair<float, float>>& coordinates);
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void *(*get_framebuffer_texture_id)(int fb_id);
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void (*select_texture_fb)(int fb_id);
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void (*delete_texture)(uint32_t texID);
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void (*set_texture_filter)(FilteringMode mode);
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FilteringMode(*get_texture_filter)(void);
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};
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#endif
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