SW/SWcontext.h at master · sergcpp/SW · GitHub

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#ifndefSW_CONTEXT_H
#defineSW_CONTEXT_H

#include"SWbuffer.h"
#include"SWcore.h"
#include"SWcpu.h"
#include"SWframebuffer.h"
#include"SWprogram.h"
#include"SWtexture.h"

/* render flags */
#defineDEPTH_TEST_ENABLED (1 << 0)
#defineDEPTH_WRITE_ENABLED (1 << 1)
#defineBLEND_ENABLED (1 << 2)
#definePERSPECTIVE_CORRECTION_ENABLED (1 << 3)
#defineFAST_PERSPECTIVE_CORRECTION (1 << 4)

#defineDEFAULT_RENDER_FLAGS \
 (DEPTH_TEST_ENABLED | DEPTH_WRITE_ENABLED | PERSPECTIVE_CORRECTION_ENABLED)

#defineSW_UNIFORM_BUF_SIZE 2048

structSWcontext {
SWubyteuniform_buf[SW_UNIFORM_BUF_SIZE];

SWprogramprograms[32];
SWintnum_programs, cur_program;

SWtexturetextures[256];
SWintnum_textures, binded_textures[8], active_tex_slot;

SWbufferbuffers[256];
SWintnum_buffers, binded_buffers[2];

SWframebufferframebuffers[8];
SWintnum_framebuffers, cur_framebuffer;

SWuintrender_flags;

SWfloatcurve_tolerance;

SWcpu_infocpu_info;
};

voidswCtxInit(SWcontext*ctx, SWintw, SWinth);
voidswCtxDestroy(SWcontext*ctx);

/* Vertex buffer operations */
SWintswCtxCreateBuffer(SWcontext*ctx);
voidswCtxDeleteBuffer(SWcontext*ctx, SWintbuf);
voidswCtxBindBuffer(SWcontext*ctx, SWenumtype, SWintbuf);
voidswCtxBufferData(SWcontext*ctx, SWenumtype, SWuintsize, constvoid*data);
voidswCtxBufferSubData(SWcontext*ctx, SWenumtype, SWuintoffset, SWuintsize,
constvoid*data);
voidswCtxGetBufferSubData(SWcontext*ctx, SWenumtype, SWuintoffset, SWuintsize,
void*data);

/* Framebuffer operations */
SWintswCtxCreateFramebuffer(SWcontext*ctx, SWenumtype, SWintw, SWinth,
SWintwith_depth);
voidswCtxDeleteFramebuffer(SWcontext*ctx, SWinti);
voidswCtxBindFramebuffer(SWcontext*ctx, SWinti);
SWintswCtxGetCurFramebuffer(SWcontext*ctx);
constvoid*swCtxGetPixelDataRef(SWcontext*ctx, SWinti);
constvoid*swCtxGetDepthDataRef(SWcontext*ctx, SWinti);

voidswCtxBlitPixels(SWcontext*ctx, SWintx, SWinty, SWintpitch, SWenumtype,
SWenummode, SWintw, SWinth, constvoid*pixels, SWfloatscale);
voidswCtxBlitTexture(SWcontext*ctx, SWintx, SWinty, SWfloatscale);

/* Texture operations */
SWintswCtxCreateTexture(SWcontext*ctx);
voidswCtxDeleteTexture(SWcontext*ctx, SWinttex);
voidswCtxActiveTexture(SWcontext*ctx, SWintslot);
voidswCtxBindTexture(SWcontext*ctx, SWinttex);
voidswCtxTexImage2D(SWcontext*ctx, SWenummode, SWenumtype, SWintw, SWinth,
constvoid*pixels);
voidswCtxTexImage2DMove_malloced(SWcontext*ctx, SWenummode, SWenumtype, SWintw,
SWinth, void*pixels);
voidswCtxTexImage2DConst(SWcontext*ctx, SWenummode, SWenumtype, SWintw, SWinth,
void*pixels);

/* Program operations */
SWintswCtxCreateProgram(SWcontext*ctx);
voidswCtxInitProgram(SWcontext*ctx, vtx_shader_procv_proc, frag_shader_procf_proc,
SWintv_out_floats);
voidswCtxDeleteProgram(SWcontext*ctx, SWintprogram);
voidswCtxUseProgram(SWcontext*ctx, SWintprogram);
voidswCtxRegisterUniform(SWcontext*ctx, SWintindex, SWenumtype);
voidswCtxRegisterUniformv(SWcontext*ctx, SWintindex, SWenumtype, SWintnum);
voidswCtxSetUniform(SWcontext*ctx, SWintindex, SWenumtype, constvoid*data);
voidswCtxSetUniformv(SWcontext*ctx, SWintindex, SWenumtype, SWintnum,
constvoid*data);

#endif/* SW_CONTEXT_H */