/* ZZ Open GL graphics plugin * Copyright (c)2009-2010 zeydlitz@gmail.com, arcum42@gmail.com * Based on Zerofrog's ZeroGS KOSMOS (c)2005-2008 * * This program 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 Foundation; either version 2 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA */ #ifndef ZZGL_H_INCLUDED #define ZZGL_H_INCLUDED #include "PS2Etypes.h" #include "PS2Edefs.h" // Need this before gl.h #ifdef _WIN32 #include "Utilities/RedtapeWindows.h" #include #include #include "glprocs.h" #else // adding glew support instead of glXGetProcAddress (thanks to scaught) #include #include #include #include inline void* wglGetProcAddress(const char* x) { return (void*)glXGetProcAddress((const GLubyte*)x); } #endif #include "Mem.h" extern u32 s_stencilfunc, s_stencilref, s_stencilmask; extern GLenum s_srcrgb, s_dstrgb, s_srcalpha, s_dstalpha; // set by zgsBlendFuncSeparateEXT extern GLenum s_rgbeq, s_alphaeq; #ifndef GL_DEPTH24_STENCIL8_EXT // allows FBOs to support stencils # define GL_DEPTH_STENCIL_EXT 0x84F9 # define GL_UNSIGNED_INT_24_8_EXT 0x84FA # define GL_DEPTH24_STENCIL8_EXT 0x88F0 # define GL_TEXTURE_STENCIL_SIZE_EXT 0x88F1 #endif #ifdef _WIN32 #define GL_LOADFN(name) { \ if( (*(void**)&name = (void*)wglGetProcAddress(#name)) == NULL ) { \ ZZLog::Error_Log("Failed to find %s, exiting.", #name); \ } \ } #else // let GLEW take care of it #define GL_LOADFN(name) #endif static __forceinline void GL_STENCILFUNC(GLenum func, GLint ref, GLuint mask) { s_stencilfunc = func; s_stencilref = ref; s_stencilmask = mask; glStencilFunc(func, ref, mask); } static __forceinline void GL_STENCILFUNC_SET() { glStencilFunc(s_stencilfunc, s_stencilref, s_stencilmask); } #ifdef GLSL4_API #include "ZZoglShaders.h" #endif // sets the data stream static __forceinline void SET_STREAM() { #ifndef GLSL4_API glColorPointer(4, GL_UNSIGNED_BYTE, sizeof(VertexGPU), (void*)8); glSecondaryColorPointerEXT(4, GL_UNSIGNED_BYTE, sizeof(VertexGPU), (void*)12); glTexCoordPointer(3, GL_FLOAT, sizeof(VertexGPU), (void*)16); glVertexPointer(4, GL_SHORT, sizeof(VertexGPU), (void*)0); #else vertex_array->set_internal_format(); #endif } // global alpha blending settings extern GLenum g_internalRGBAFloat16Fmt; //static __forceinline void SAFE_RELEASE_TEX(u32& x) //{ // if (x != 0) // { // glDeleteTextures(1, &x); // x = 0; // } //} #define SAFE_RELEASE_TEX(x) { if( (x) != 0 ) { glDeleteTextures(1, &(x)); x = 0; } } // inline for an extremely often used sequence // This is turning off all gl functions. Safe to do updates. inline void DisableAllgl() { glDisable(GL_SCISSOR_TEST); glDisable(GL_BLEND); glDisable(GL_ALPHA_TEST); glDisable(GL_DEPTH_TEST); glDepthMask(0); glDisable(GL_STENCIL_TEST); glColorMask(1, 1, 1, 1); } //--------------------- Dummies #ifdef _WIN32 extern void (__stdcall *zgsBlendEquationSeparateEXT)(GLenum, GLenum); extern void (__stdcall *zgsBlendFuncSeparateEXT)(GLenum, GLenum, GLenum, GLenum); #else extern void (APIENTRY *zgsBlendEquationSeparateEXT)(GLenum, GLenum); extern void (APIENTRY *zgsBlendFuncSeparateEXT)(GLenum, GLenum, GLenum, GLenum); #endif // GL prototypes extern PFNGLISRENDERBUFFEREXTPROC glIsRenderbufferEXT; extern PFNGLBINDRENDERBUFFEREXTPROC glBindRenderbufferEXT; extern PFNGLDELETERENDERBUFFERSEXTPROC glDeleteRenderbuffersEXT; extern PFNGLGENRENDERBUFFERSEXTPROC glGenRenderbuffersEXT; extern PFNGLRENDERBUFFERSTORAGEEXTPROC glRenderbufferStorageEXT; extern PFNGLGETRENDERBUFFERPARAMETERIVEXTPROC glGetRenderbufferParameterivEXT; extern PFNGLISFRAMEBUFFEREXTPROC glIsFramebufferEXT; extern PFNGLBINDFRAMEBUFFEREXTPROC glBindFramebufferEXT; extern PFNGLDELETEFRAMEBUFFERSEXTPROC glDeleteFramebuffersEXT; extern PFNGLGENFRAMEBUFFERSEXTPROC glGenFramebuffersEXT; extern PFNGLCHECKFRAMEBUFFERSTATUSEXTPROC glCheckFramebufferStatusEXT; extern PFNGLFRAMEBUFFERTEXTURE1DEXTPROC glFramebufferTexture1DEXT; extern PFNGLFRAMEBUFFERTEXTURE2DEXTPROC glFramebufferTexture2DEXT; extern PFNGLFRAMEBUFFERTEXTURE3DEXTPROC glFramebufferTexture3DEXT; extern PFNGLFRAMEBUFFERRENDERBUFFEREXTPROC glFramebufferRenderbufferEXT; extern PFNGLGETFRAMEBUFFERATTACHMENTPARAMETERIVEXTPROC glGetFramebufferAttachmentParameterivEXT; extern PFNGLGENERATEMIPMAPEXTPROC glGenerateMipmapEXT; extern PFNGLDRAWBUFFERSPROC glDrawBuffers; #ifdef GLSL4_API #include "ZZoglShaders.h" #endif static __forceinline void DrawTriangleArray() { #ifdef GLSL4_API ZZshSetupShader(); #endif glDrawArrays(GL_TRIANGLE_STRIP, 0, 4); GL_REPORT_ERRORD(); } static __forceinline void DrawBuffers(GLenum *buffer) { if (glDrawBuffers != NULL) { glDrawBuffers(1, buffer); } GL_REPORT_ERRORD(); } namespace FB { extern u32 buf; static __forceinline void Create() { assert(buf == 0); glGenFramebuffersEXT(1, &buf); if (buf == 0) ZZLog::Error_Log("Failed to create the renderbuffer."); } static __forceinline void Delete() { if (buf != 0) { glDeleteFramebuffersEXT(1, &buf); buf = 0; } } static __forceinline void Bind() { glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, buf); } static __forceinline void Unbind() { glBindFramebufferEXT(GL_FRAMEBUFFER_EXT, 0); } static __forceinline GLenum State() { return glCheckFramebufferStatusEXT(GL_FRAMEBUFFER_EXT); } static __forceinline void Attach2D(int attach, int id = 0) { glFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT + attach, GL_TEXTURE_RECTANGLE_NV, id, 0); GL_REPORT_ERRORD(); } static __forceinline void Attach(GLenum rend, GLuint id = 0) { glFramebufferRenderbufferEXT(GL_FRAMEBUFFER_EXT, rend, GL_RENDERBUFFER_EXT, id); } }; static __forceinline void ResetRenderTarget(int index) { FB::Attach2D(index); } static __forceinline void TextureImage(GLenum tex_type, GLint iFormat, GLint width, GLint height, GLenum format, GLenum type, const GLvoid* pixels) { glTexImage2D(tex_type, 0, iFormat, width, height, 0, format, type, pixels); } static __forceinline void Texture2D(GLint iFormat, GLint width, GLint height, GLenum format, GLenum type, const GLvoid* pixels) { TextureImage(GL_TEXTURE_2D, iFormat, width, height, format, type, pixels); } static __forceinline void Texture2D(GLint iFormat, GLenum format, GLenum type, const GLvoid* pixels) { TextureImage(GL_TEXTURE_2D, iFormat, BLOCK_TEXWIDTH, BLOCK_TEXHEIGHT, format, type, pixels); } static __forceinline void TextureRect(GLint iFormat, GLint width, GLint height, GLenum format, GLenum type, const GLvoid* pixels) { TextureImage(GL_TEXTURE_RECTANGLE_NV, iFormat, width, height, format, type, pixels); } static __forceinline void TextureRect2(GLint iFormat, GLint width, GLint height, GLenum format, GLenum type, const GLvoid* pixels) { TextureImage(GL_TEXTURE_RECTANGLE, iFormat, width, height, format, type, pixels); } static __forceinline void Texture3D(GLint iFormat, GLint width, GLint height, GLint depth, GLenum format, GLenum type, const GLvoid* pixels) { glTexImage3D(GL_TEXTURE_3D, 0, iFormat, width, height, depth, 0, format, type, pixels); } static __forceinline void setTex2DFilters(GLint type) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, type); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, type); } static __forceinline void setTex2DWrap(GLint type) { glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, type); glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, type); } static __forceinline void setTex3DFilters(GLint type) { glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MAG_FILTER, type); glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_MIN_FILTER, type); } static __forceinline void setTex3DWrap(GLint type) { glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_S, type); glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_T, type); glTexParameteri(GL_TEXTURE_3D, GL_TEXTURE_WRAP_R, type); } static __forceinline void setRectFilters(GLint type) { glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MAG_FILTER, type); glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_MIN_FILTER, type); } static __forceinline void setRectWrap(GLint type) { glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_S, type); glTexParameteri(GL_TEXTURE_RECTANGLE_NV, GL_TEXTURE_WRAP_T, type); } static __forceinline void setRectWrap2(GLint type) { glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_S, type); glTexParameteri(GL_TEXTURE_RECTANGLE, GL_TEXTURE_WRAP_T, type); } static __forceinline void GL_BLEND_SET() { zgsBlendFuncSeparateEXT(s_srcrgb, s_dstrgb, s_srcalpha, s_dstalpha); } static __forceinline void GL_BLEND_RGB(GLenum src, GLenum dst) { s_srcrgb = src; s_dstrgb = dst; GL_BLEND_SET(); } static __forceinline void GL_BLEND_ALPHA(GLenum src, GLenum dst) { s_srcalpha = src; s_dstalpha = dst; GL_BLEND_SET(); } static __forceinline void GL_BLEND_ALL(GLenum srcrgb, GLenum dstrgb, GLenum srcalpha, GLenum dstalpha) { s_srcrgb = srcrgb; s_dstrgb = dstrgb; s_srcalpha = srcalpha; s_dstalpha = dstalpha; GL_BLEND_SET(); } static __forceinline void GL_ZTEST(bool enable) { if (enable) glEnable(GL_DEPTH_TEST); else glDisable(GL_DEPTH_TEST); } static __forceinline void GL_ALPHATEST(bool enable) { if (enable) glEnable(GL_ALPHA_TEST); else glDisable(GL_ALPHA_TEST); } static __forceinline void GL_BLENDEQ_RGB(GLenum eq) { s_rgbeq = eq; zgsBlendEquationSeparateEXT(s_rgbeq, s_alphaeq); } static __forceinline void GL_BLENDEQ_ALPHA(GLenum eq) { s_alphaeq = eq; zgsBlendEquationSeparateEXT(s_rgbeq, s_alphaeq); } #endif // ZZGL_H_INCLUDED