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-rw-r--r--src/osd/modules/render/drawbgfx.h108
1 files changed, 108 insertions, 0 deletions
diff --git a/src/osd/modules/render/drawbgfx.h b/src/osd/modules/render/drawbgfx.h
new file mode 100644
index 00000000000..86619eab718
--- /dev/null
+++ b/src/osd/modules/render/drawbgfx.h
@@ -0,0 +1,108 @@
+#pragma once
+
+#ifndef __RENDER_BGFX__
+#define __RENDER_BGFX__
+
+#include <map>
+#include <vector>
+
+#include "binpacker.h"
+
+/* sdl_info is the information about SDL for the current screen */
+class renderer_bgfx : public osd_renderer
+{
+public:
+ renderer_bgfx(osd_window *w)
+ : osd_renderer(w, FLAG_NONE)
+ , m_dimensions(0, 0)
+ {
+ }
+
+ virtual int create() override;
+ virtual int draw(const int update) override;
+#ifdef OSD_SDL
+ virtual int xy_to_render_target(const int x, const int y, int *xt, int *yt) override;
+#else
+ virtual void save() override { }
+ virtual void record() override { }
+ virtual void toggle_fsfx() override { }
+#endif
+ virtual void destroy() override;
+ virtual render_primitive_list *get_primitives() override
+ {
+ osd_dim wdim = window().get_size();
+ window().target()->set_bounds(wdim.width(), wdim.height(), window().aspect());
+ return &window().target()->get_primitives();
+ }
+
+private:
+ struct ScreenVertex
+ {
+ float m_x;
+ float m_y;
+ float m_z;
+ UINT32 m_rgba;
+ float m_u;
+ float m_v;
+
+ static void init()
+ {
+ ms_decl.begin()
+ .add(bgfx::Attrib::Position, 3, bgfx::AttribType::Float)
+ .add(bgfx::Attrib::Color0, 4, bgfx::AttribType::Uint8, true)
+ .add(bgfx::Attrib::TexCoord0, 2, bgfx::AttribType::Float)
+ .end();
+ }
+
+ static bgfx::VertexDecl ms_decl;
+ };
+
+ void allocate_buffer(render_primitive *prim, UINT32 blend, bgfx::TransientVertexBuffer *buffer);
+ enum buffer_status
+ {
+ BUFFER_PRE_FLUSH,
+ BUFFER_FLUSH,
+ BUFFER_EMPTY,
+ BUFFER_DONE
+ };
+ buffer_status buffer_primitives(int view, bool atlas_valid, render_primitive** prim, bgfx::TransientVertexBuffer* buffer);
+
+ void render_textured_quad(int view, render_primitive* prim, bgfx::TransientVertexBuffer* buffer);
+
+ void put_packed_quad(render_primitive *prim, UINT32 hash, ScreenVertex* vertex);
+ void put_polygon(const float* coords, UINT32 num_coords, float r, UINT32 rgba, ScreenVertex* vertex);
+ void put_line(float x0, float y0, float x1, float y1, float r, UINT32 rgba, ScreenVertex* vertex, float fth = 1.0f);
+
+ void set_bgfx_state(UINT32 blend);
+
+ uint32_t u32Color(uint32_t r, uint32_t g, uint32_t b, uint32_t a);
+
+ bool check_for_dirty_atlas();
+ bool update_atlas();
+ void process_atlas_packs(std::vector<std::vector<rectangle_packer::packed_rectangle>>& packed);
+ const bgfx::Memory* mame_texture_data_to_bgfx_texture_data(UINT32 format, int width, int height, int rowpixels, const rgb_t *palette, void *base);
+ UINT32 get_texture_hash(render_primitive *prim);
+
+ bgfx::ProgramHandle loadProgram(bx::FileReaderI* _reader, const char* _vsName, const char* _fsName);
+ bgfx::ProgramHandle loadProgram(const char* _vsName, const char* _fsName);
+
+ bgfx::ProgramHandle m_progQuad;
+ bgfx::ProgramHandle m_progQuadTexture;
+ bgfx::UniformHandle m_s_texColor;
+ bgfx::FrameBufferHandle fbh;
+ bgfx::TextureHandle m_texture_cache;
+
+ // Original display_mode
+ osd_dim m_dimensions;
+
+ std::map<UINT32, rectangle_packer::packed_rectangle> m_hash_to_entry;
+ std::vector<rectangle_packer::packable_rectangle> m_texinfo;
+ rectangle_packer m_packer;
+
+ uint32_t m_white[16*16];
+ enum : uint16_t { CACHE_SIZE = 1024 };
+ enum : uint32_t { PACKABLE_SIZE = 128 };
+ enum : UINT32 { WHITE_HASH = 0x87654321 };
+};
+
+#endif