diff --git a/src/Graphics_GL1.c b/src/Graphics_GL1.c new file mode 100644 index 000000000..da5454258 --- /dev/null +++ b/src/Graphics_GL1.c @@ -0,0 +1,776 @@ +#include "Core.h" +#ifdef CC_BUILD_GL +#include "_GraphicsBase.h" +#include "Chat.h" +#include "Errors.h" +#include "Logger.h" +#include "Window.h" +/* The OpenGL backend is a bit of a mess, since it's really 3 backends in one: + * - OpenGL 1.1 (completely lacking GPU, fallbacks to say Windows built-in software rasteriser) + * - OpenGL 1.5 or OpenGL 1.2 + GL_ARB_vertex_buffer_object (default desktop backend) + * - OpenGL 2.0 (alternative modern-ish backend) +*/ + +#if defined CC_BUILD_WIN +/* Avoid pointless includes */ +#define WIN32_LEAN_AND_MEAN +#define NOSERVICE +#define NOMCX +#define NOIME +#include +#include +#elif defined CC_BUILD_IOS +#include +#elif defined CC_BUILD_MACOS +#include +#elif defined CC_BUILD_GLES && defined CC_BUILD_GLMODERN +#include +#elif defined CC_BUILD_GLES +#include +#else +#define GL_GLEXT_PROTOTYPES +#include +#endif + +/* Not present in gl.h on Windows (only up to OpenGL 1.1) */ +#define _GL_ARRAY_BUFFER 0x8892 +#define _GL_ELEMENT_ARRAY_BUFFER 0x8893 +#define _GL_STATIC_DRAW 0x88E4 +#define _GL_DYNAMIC_DRAW 0x88E8 +#define _GL_TEXTURE_MAX_LEVEL 0x813D + +#define _GL_FRAGMENT_SHADER 0x8B30 +#define _GL_VERTEX_SHADER 0x8B31 +#define _GL_COMPILE_STATUS 0x8B81 +#define _GL_LINK_STATUS 0x8B82 +#define _GL_INFO_LOG_LENGTH 0x8B84 + +#if defined CC_BUILD_GL11 +static GLuint activeList; +#define gl_DYNAMICLISTID 1234567891 +static void* dynamicListData; +static cc_uint16 gl_indices[GFX_MAX_INDICES]; +#elif defined CC_BUILD_GLMODERN +#define _glBindBuffer(t,b) glBindBuffer(t,b) +#define _glDeleteBuffers(n,b) glDeleteBuffers(n,b) +#define _glGenBuffers(n,b) glGenBuffers(n,b) +#define _glBufferData(t,s,d,u) glBufferData(t,s,d,u) +#define _glBufferSubData(t,o,s,d) glBufferSubData(t,o,s,d) +#else +/* OpenGL functions use stdcall instead of cdecl on Windows */ +#ifndef APIENTRY +#define APIENTRY +#endif +static void (APIENTRY *_glBindBuffer)(GLenum target, GLuint buffer); +static void (APIENTRY *_glDeleteBuffers)(GLsizei n, const GLuint *buffers); +static void (APIENTRY *_glGenBuffers)(GLsizei n, GLuint *buffers); +static void (APIENTRY *_glBufferData)(GLenum target, cc_uintptr size, const GLvoid* data, GLenum usage); +static void (APIENTRY *_glBufferSubData)(GLenum target, cc_uintptr offset, cc_uintptr size, const GLvoid* data); +#endif + +#if defined CC_BUILD_WEB || defined CC_BUILD_ANDROID +#define PIXEL_FORMAT GL_RGBA +#else +#define PIXEL_FORMAT 0x80E1 /* GL_BGRA_EXT */ +#endif + +#if defined CC_BIG_ENDIAN +/* Pixels are stored in memory as A,R,G,B but GL_UNSIGNED_BYTE will interpret as B,G,R,A */ +/* So use GL_UNSIGNED_INT_8_8_8_8_REV instead to remedy this */ +#define TRANSFER_FORMAT GL_UNSIGNED_INT_8_8_8_8_REV +#else +/* Pixels are stored in memory as B,G,R,A and GL_UNSIGNED_BYTE will interpret as B,G,R,A */ +/* So fine to just use GL_UNSIGNED_BYTE here */ +#define TRANSFER_FORMAT GL_UNSIGNED_BYTE +#endif + +typedef void (*GL_SetupVBFunc)(void); +typedef void (*GL_SetupVBRangeFunc)(int startVertex); +static GL_SetupVBFunc gfx_setupVBFunc; +static GL_SetupVBRangeFunc gfx_setupVBRangeFunc; +/* Current format and size of vertices */ +static int gfx_stride, gfx_format = -1; + +static void GL_UpdateVsync(void) { + GLContext_SetFpsLimit(gfx_vsync, gfx_minFrameMs); +} + +static void GL_CheckSupport(void); +void Gfx_Create(void) { + GLContext_Create(); + glGetIntegerv(GL_MAX_TEXTURE_SIZE, &Gfx.MaxTexWidth); + Gfx.MaxTexHeight = Gfx.MaxTexWidth; + Gfx.Created = true; + + GL_CheckSupport(); + Gfx_RestoreState(); + GL_UpdateVsync(); +} + +cc_bool Gfx_TryRestoreContext(void) { + return GLContext_TryRestore(); +} + +void Gfx_Free(void) { + Gfx_FreeState(); + GLContext_Free(); +} + +#define gl_Toggle(cap) if (enabled) { glEnable(cap); } else { glDisable(cap); } +static void* tmpData; +static int tmpSize; + +static void* FastAllocTempMem(int size) { + if (size > tmpSize) { + Mem_Free(tmpData); + tmpData = Mem_Alloc(size, 1, "Gfx_AllocTempMemory"); + } + + tmpSize = size; + return tmpData; +} + + +/*########################################################################################################################* +*---------------------------------------------------------Textures--------------------------------------------------------* +*#########################################################################################################################*/ +static void Gfx_DoMipmaps(int x, int y, struct Bitmap* bmp, int rowWidth, cc_bool partial) { + BitmapCol* prev = bmp->scan0; + BitmapCol* cur; + + int lvls = CalcMipmapsLevels(bmp->width, bmp->height); + int lvl, width = bmp->width, height = bmp->height; + + for (lvl = 1; lvl <= lvls; lvl++) { + x /= 2; y /= 2; + if (width > 1) width /= 2; + if (height > 1) height /= 2; + + cur = (BitmapCol*)Mem_Alloc(width * height, 4, "mipmaps"); + GenMipmaps(width, height, cur, prev, rowWidth); + + if (partial) { + glTexSubImage2D(GL_TEXTURE_2D, lvl, x, y, width, height, PIXEL_FORMAT, TRANSFER_FORMAT, cur); + } else { + glTexImage2D(GL_TEXTURE_2D, lvl, GL_RGBA, width, height, 0, PIXEL_FORMAT, TRANSFER_FORMAT, cur); + } + + if (prev != bmp->scan0) Mem_Free(prev); + prev = cur; + rowWidth = width; + } + if (prev != bmp->scan0) Mem_Free(prev); +} + +GfxResourceID Gfx_CreateTexture(struct Bitmap* bmp, cc_uint8 flags, cc_bool mipmaps) { + GLuint texId; + glGenTextures(1, &texId); + glBindTexture(GL_TEXTURE_2D, texId); + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + + if (!Math_IsPowOf2(bmp->width) || !Math_IsPowOf2(bmp->height)) { + Logger_Abort("Textures must have power of two dimensions"); + } + if (Gfx.LostContext) return 0; + + if (mipmaps) { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST_MIPMAP_LINEAR); + if (customMipmapsLevels) { + int lvls = CalcMipmapsLevels(bmp->width, bmp->height); + glTexParameteri(GL_TEXTURE_2D, _GL_TEXTURE_MAX_LEVEL, lvls); + } + } else { + glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + } + + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, bmp->width, bmp->height, 0, PIXEL_FORMAT, TRANSFER_FORMAT, bmp->scan0); + + if (mipmaps) Gfx_DoMipmaps(0, 0, bmp, bmp->width, false); + return texId; +} + +#define UPDATE_FAST_SIZE (64 * 64) +static CC_NOINLINE void UpdateTextureSlow(int x, int y, struct Bitmap* part, int rowWidth) { + BitmapCol buffer[UPDATE_FAST_SIZE]; + void* ptr = (void*)buffer; + int count = part->width * part->height; + + /* cannot allocate memory on the stack for very big updates */ + if (count > UPDATE_FAST_SIZE) { + ptr = Mem_Alloc(count, 4, "Gfx_UpdateTexture temp"); + } + + CopyTextureData(ptr, part->width << 2, part, rowWidth << 2); + glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, part->width, part->height, PIXEL_FORMAT, TRANSFER_FORMAT, ptr); + if (count > UPDATE_FAST_SIZE) Mem_Free(ptr); +} + +void Gfx_UpdateTexture(GfxResourceID texId, int x, int y, struct Bitmap* part, int rowWidth, cc_bool mipmaps) { + glBindTexture(GL_TEXTURE_2D, (GLuint)texId); + /* TODO: Use GL_UNPACK_ROW_LENGTH for Desktop OpenGL */ + + if (part->width == rowWidth) { + glTexSubImage2D(GL_TEXTURE_2D, 0, x, y, part->width, part->height, PIXEL_FORMAT, TRANSFER_FORMAT, part->scan0); + } else { + UpdateTextureSlow(x, y, part, rowWidth); + } + if (mipmaps) Gfx_DoMipmaps(x, y, part, rowWidth, true); +} + +void Gfx_UpdateTexturePart(GfxResourceID texId, int x, int y, struct Bitmap* part, cc_bool mipmaps) { + Gfx_UpdateTexture(texId, x, y, part, part->width, mipmaps); +} + +void Gfx_BindTexture(GfxResourceID texId) { + glBindTexture(GL_TEXTURE_2D, (GLuint)texId); +} + +void Gfx_DeleteTexture(GfxResourceID* texId) { + GLuint id = (GLuint)(*texId); + if (!id) return; + glDeleteTextures(1, &id); + *texId = 0; +} + +void Gfx_EnableMipmaps(void) { } +void Gfx_DisableMipmaps(void) { } + + +/*########################################################################################################################* +*-----------------------------------------------------State management----------------------------------------------------* +*#########################################################################################################################*/ +static PackedCol gfx_clearColor, gfx_fogColor; +static float gfx_fogEnd = -1.0f, gfx_fogDensity = -1.0f; +static int gfx_fogMode = -1; + +void Gfx_SetFaceCulling(cc_bool enabled) { gl_Toggle(GL_CULL_FACE); } +void Gfx_SetAlphaBlending(cc_bool enabled) { gl_Toggle(GL_BLEND); } +void Gfx_SetAlphaArgBlend(cc_bool enabled) { } + +static void GL_ClearCol(PackedCol col) { + glClearColor(PackedCol_R(col) / 255.0f, PackedCol_G(col) / 255.0f, + PackedCol_B(col) / 255.0f, PackedCol_A(col) / 255.0f); +} +void Gfx_ClearCol(PackedCol col) { + if (col == gfx_clearColor) return; + GL_ClearCol(col); + gfx_clearColor = col; +} + +void Gfx_SetColWriteMask(cc_bool r, cc_bool g, cc_bool b, cc_bool a) { + glColorMask(r, g, b, a); +} + +void Gfx_SetDepthWrite(cc_bool enabled) { glDepthMask(enabled); } +void Gfx_SetDepthTest(cc_bool enabled) { gl_Toggle(GL_DEPTH_TEST); } + +void Gfx_CalcOrthoMatrix(float width, float height, struct Matrix* matrix) { + Matrix_Orthographic(matrix, 0.0f, width, 0.0f, height, ORTHO_NEAR, ORTHO_FAR); +} +void Gfx_CalcPerspectiveMatrix(float fov, float aspect, float zFar, struct Matrix* matrix) { + float zNear = 0.1f; + Matrix_PerspectiveFieldOfView(matrix, fov, aspect, zNear, zFar); +} + + +/*########################################################################################################################* +*-------------------------------------------------------Index buffers-----------------------------------------------------* +*#########################################################################################################################*/ +#ifndef CC_BUILD_GL11 +static GLuint GL_GenAndBind(GLenum target) { + GLuint id; + _glGenBuffers(1, &id); + _glBindBuffer(target, id); + return id; +} + +GfxResourceID Gfx_CreateIb(void* indices, int indicesCount) { + GLuint id = GL_GenAndBind(_GL_ELEMENT_ARRAY_BUFFER); + cc_uint32 size = indicesCount * 2; + _glBufferData(_GL_ELEMENT_ARRAY_BUFFER, size, indices, _GL_STATIC_DRAW); + return id; +} + +void Gfx_BindIb(GfxResourceID ib) { _glBindBuffer(_GL_ELEMENT_ARRAY_BUFFER, (GLuint)ib); } + +void Gfx_DeleteIb(GfxResourceID* ib) { + GLuint id = (GLuint)(*ib); + if (!id) return; + _glDeleteBuffers(1, &id); + *ib = 0; +} +#else +GfxResourceID Gfx_CreateIb(void* indices, int indicesCount) { return 0; } +void Gfx_BindIb(GfxResourceID ib) { } +void Gfx_DeleteIb(GfxResourceID* ib) { } +#endif + + +/*########################################################################################################################* +*------------------------------------------------------Vertex buffers-----------------------------------------------------* +*#########################################################################################################################*/ +#ifndef CC_BUILD_GL11 +GfxResourceID Gfx_CreateVb(VertexFormat fmt, int count) { + return GL_GenAndBind(_GL_ARRAY_BUFFER); +} + +void Gfx_BindVb(GfxResourceID vb) { _glBindBuffer(_GL_ARRAY_BUFFER, (GLuint)vb); } + +void Gfx_DeleteVb(GfxResourceID* vb) { + GLuint id = (GLuint)(*vb); + if (!id) return; + _glDeleteBuffers(1, &id); + *vb = 0; +} + +void* Gfx_LockVb(GfxResourceID vb, VertexFormat fmt, int count) { + return FastAllocTempMem(count * strideSizes[fmt]); +} + +void Gfx_UnlockVb(GfxResourceID vb) { + _glBufferData(_GL_ARRAY_BUFFER, tmpSize, tmpData, _GL_STATIC_DRAW); +} +#else +static void UpdateDisplayList(GLuint list, void* vertices, VertexFormat fmt, int count) { + /* We need to restore client state afer building the list */ + int realFormat = gfx_format; + void* dyn_data = dynamicListData; + Gfx_SetVertexFormat(fmt); + dynamicListData = vertices; + + glNewList(list, GL_COMPILE); + gfx_setupVBFunc(); + glDrawElements(GL_TRIANGLES, ICOUNT(count), GL_UNSIGNED_SHORT, gl_indices); + glEndList(); + + Gfx_SetVertexFormat(realFormat); + dynamicListData = dyn_data; +} + +GfxResourceID Gfx_CreateVb(VertexFormat fmt, int count) { return glGenLists(1); } +void Gfx_BindVb(GfxResourceID vb) { activeList = (GLuint)vb; } + +void Gfx_DeleteVb(GfxResourceID* vb) { + GLuint id = (GLuint)(*vb); + if (id) glDeleteLists(id, 1); + *vb = 0; +} + +/* NOTE! Building chunk in Builder.c relies on vb being ignored */ +/* If that changes, you must fix Builder.c to properly call Gfx_LockVb */ +static VertexFormat tmpFormat; +static int tmpCount; +void* Gfx_LockVb(GfxResourceID vb, VertexFormat fmt, int count) { + tmpFormat = fmt; + tmpCount = count; + return FastAllocTempMem(count * strideSizes[fmt]); +} + +void Gfx_UnlockVb(GfxResourceID vb) { + UpdateDisplayList((GLuint)vb, tmpData, tmpFormat, tmpCount); +} + +GfxResourceID Gfx_CreateVb2(void* vertices, VertexFormat fmt, int count) { + GLuint list = glGenLists(1); + UpdateDisplayList(list, vertices, fmt, count); + return list; +} +#endif + + +/*########################################################################################################################* +*--------------------------------------------------Dynamic vertex buffers-------------------------------------------------* +*#########################################################################################################################*/ +#ifndef CC_BUILD_GL11 +GfxResourceID Gfx_CreateDynamicVb(VertexFormat fmt, int maxVertices) { + GLuint id; + cc_uint32 size; + if (Gfx.LostContext) return 0; + + id = GL_GenAndBind(_GL_ARRAY_BUFFER); + size = maxVertices * strideSizes[fmt]; + _glBufferData(_GL_ARRAY_BUFFER, size, NULL, _GL_DYNAMIC_DRAW); + return id; +} + +void* Gfx_LockDynamicVb(GfxResourceID vb, VertexFormat fmt, int count) { + return FastAllocTempMem(count * strideSizes[fmt]); +} + +void Gfx_UnlockDynamicVb(GfxResourceID vb) { + _glBindBuffer(_GL_ARRAY_BUFFER, (GLuint)vb); + _glBufferSubData(_GL_ARRAY_BUFFER, 0, tmpSize, tmpData); +} + +void Gfx_SetDynamicVbData(GfxResourceID vb, void* vertices, int vCount) { + cc_uint32 size = vCount * gfx_stride; + _glBindBuffer(_GL_ARRAY_BUFFER, (GLuint)vb); + _glBufferSubData(_GL_ARRAY_BUFFER, 0, size, vertices); +} +#else +GfxResourceID Gfx_CreateDynamicVb(VertexFormat fmt, int maxVertices) { + return (GfxResourceID)Mem_Alloc(maxVertices, strideSizes[fmt], "creating dynamic vb"); +} + +void Gfx_BindDynamicVb(GfxResourceID vb) { + activeList = gl_DYNAMICLISTID; + dynamicListData = (void*)vb; +} + +void Gfx_DeleteDynamicVb(GfxResourceID* vb) { + void* addr = (void*)(*vb); + if (addr) Mem_Free(addr); + *vb = 0; +} + +void* Gfx_LockDynamicVb(GfxResourceID vb, VertexFormat fmt, int count) { return (void*)vb; } +void Gfx_UnlockDynamicVb(GfxResourceID vb) { Gfx_BindDynamicVb(vb); } + +void Gfx_SetDynamicVbData(GfxResourceID vb, void* vertices, int vCount) { + Gfx_BindDynamicVb(vb); + Mem_Copy((void*)vb, vertices, vCount * gfx_stride); +} +#endif + + +/*########################################################################################################################* +*-----------------------------------------------------------Misc----------------------------------------------------------* +*#########################################################################################################################*/ +static BitmapCol* GL_GetRow(struct Bitmap* bmp, int y) { + /* OpenGL stores bitmap in bottom-up order, so flip order when saving */ + return Bitmap_GetRow(bmp, (bmp->height - 1) - y); +} +cc_result Gfx_TakeScreenshot(struct Stream* output) { + struct Bitmap bmp; + cc_result res; + GLint vp[4]; + + glGetIntegerv(GL_VIEWPORT, vp); /* { x, y, width, height } */ + bmp.width = vp[2]; + bmp.height = vp[3]; + + bmp.scan0 = (BitmapCol*)Mem_TryAlloc(bmp.width * bmp.height, 4); + if (!bmp.scan0) return ERR_OUT_OF_MEMORY; + glReadPixels(0, 0, bmp.width, bmp.height, PIXEL_FORMAT, TRANSFER_FORMAT, bmp.scan0); + + res = Png_Encode(&bmp, output, GL_GetRow, false); + Mem_Free(bmp.scan0); + return res; +} + +static void AppendVRAMStats(cc_string* info) { + static const cc_string memExt = String_FromConst("GL_NVX_gpu_memory_info"); + GLint totalKb, curKb; + float total, cur; + + /* NOTE: glGetString returns UTF8, but I just treat it as code page 437 */ + cc_string exts = String_FromReadonly((const char*)glGetString(GL_EXTENSIONS)); + if (!String_CaselessContains(&exts, &memExt)) return; + + glGetIntegerv(0x9048, &totalKb); + glGetIntegerv(0x9049, &curKb); + if (totalKb <= 0 || curKb <= 0) return; + + total = totalKb / 1024.0f; cur = curKb / 1024.0f; + String_Format2(info, "Video memory: %f2 MB total, %f2 free\n", &total, &cur); +} + +void Gfx_GetApiInfo(cc_string* info) { + GLint depthBits; + int pointerSize = sizeof(void*) * 8; + + glGetIntegerv(GL_DEPTH_BITS, &depthBits); + String_Format1(info, "-- Using OpenGL (%i bit) --\n", &pointerSize); + String_Format1(info, "Vendor: %c\n", glGetString(GL_VENDOR)); + String_Format1(info, "Renderer: %c\n", glGetString(GL_RENDERER)); + String_Format1(info, "GL version: %c\n", glGetString(GL_VERSION)); + AppendVRAMStats(info); + String_Format2(info, "Max texture size: (%i, %i)\n", &Gfx.MaxTexWidth, &Gfx.MaxTexHeight); + String_Format1(info, "Depth buffer bits: %i\n", &depthBits); + GLContext_GetApiInfo(info); +} + +void Gfx_SetFpsLimit(cc_bool vsync, float minFrameMs) { + gfx_minFrameMs = minFrameMs; + gfx_vsync = vsync; + if (Gfx.Created) GL_UpdateVsync(); +} + +void Gfx_BeginFrame(void) { frameStart = Stopwatch_Measure(); } +void Gfx_Clear(void) { glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); } +void Gfx_EndFrame(void) { + if (!GLContext_SwapBuffers()) Gfx_LoseContext("GLContext lost"); + if (gfx_minFrameMs) LimitFPS(); +} + +void Gfx_OnWindowResize(void) { + GLContext_Update(); + /* In case GLContext_Update changes window bounds */ + /* TODO: Eliminate this nasty hack.. */ + Game_UpdateDimensions(); + glViewport(0, 0, Game.Width, Game.Height); +} + + +/*########################################################################################################################* +*------------------------------------------------------OpenGL legacy------------------------------------------------------* +*#########################################################################################################################*/ +void Gfx_SetFog(cc_bool enabled) { + gfx_fogEnabled = enabled; + gl_Toggle(GL_FOG); +} + +void Gfx_SetFogCol(PackedCol col) { + float rgba[4]; + if (col == gfx_fogColor) return; + + rgba[0] = PackedCol_R(col) / 255.0f; rgba[1] = PackedCol_G(col) / 255.0f; + rgba[2] = PackedCol_B(col) / 255.0f; rgba[3] = PackedCol_A(col) / 255.0f; + + glFogfv(GL_FOG_COLOR, rgba); + gfx_fogColor = col; +} + +void Gfx_SetFogDensity(float value) { + if (value == gfx_fogDensity) return; + glFogf(GL_FOG_DENSITY, value); + gfx_fogDensity = value; +} + +void Gfx_SetFogEnd(float value) { + if (value == gfx_fogEnd) return; + glFogf(GL_FOG_END, value); + gfx_fogEnd = value; +} + +void Gfx_SetFogMode(FogFunc func) { + static GLint modes[3] = { GL_LINEAR, GL_EXP, GL_EXP2 }; + if (func == gfx_fogMode) return; + +#ifdef CC_BUILD_GLES + /* OpenGL ES doesn't support glFogi, so use glFogf instead */ + /* https://www.khronos.org/registry/OpenGL-Refpages/es1.1/xhtml/ */ + glFogf(GL_FOG_MODE, modes[func]); +#else + glFogi(GL_FOG_MODE, modes[func]); +#endif + gfx_fogMode = func; +} + +void Gfx_SetTexturing(cc_bool enabled) { gl_Toggle(GL_TEXTURE_2D); } +void Gfx_SetAlphaTest(cc_bool enabled) { gl_Toggle(GL_ALPHA_TEST); } + +static GLenum matrix_modes[3] = { GL_PROJECTION, GL_MODELVIEW, GL_TEXTURE }; +static int lastMatrix; + +void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) { + if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); } + glLoadMatrixf((const float*)matrix); +} + +void Gfx_LoadIdentityMatrix(MatrixType type) { + if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); } + glLoadIdentity(); +} + +static struct Matrix texMatrix = Matrix_IdentityValue; +void Gfx_EnableTextureOffset(float x, float y) { + texMatrix.row4.X = x; texMatrix.row4.Y = y; + Gfx_LoadMatrix(2, &texMatrix); +} + +void Gfx_DisableTextureOffset(void) { Gfx_LoadIdentityMatrix(2); } + +static void Gfx_FreeState(void) { FreeDefaultResources(); } +static void Gfx_RestoreState(void) { + InitDefaultResources(); + glEnableClientState(GL_VERTEX_ARRAY); + glEnableClientState(GL_COLOR_ARRAY); + gfx_format = -1; + + glHint(GL_FOG_HINT, GL_NICEST); + glAlphaFunc(GL_GREATER, 0.5f); + glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); + glDepthFunc(GL_LEQUAL); +} + +cc_bool Gfx_WarnIfNecessary(void) { + cc_string renderer = String_FromReadonly((const char*)glGetString(GL_RENDERER)); + +#ifdef CC_BUILD_GL11 + Chat_AddRaw("&cYou are using the very outdated OpenGL backend."); + Chat_AddRaw("&cAs such you may experience poor performance."); + Chat_AddRaw("&cIt is likely you need to install video card drivers."); +#endif + if (!String_ContainsConst(&renderer, "Intel")) return false; + + Chat_AddRaw("&cIntel graphics cards are known to have issues with the OpenGL build."); + Chat_AddRaw("&cVSync may not work, and you may see disappearing clouds and map edges."); +#ifdef CC_BUILD_WIN + Chat_AddRaw("&cTry downloading the Direct3D 9 build instead."); +#endif + return true; +} + + +/*########################################################################################################################* +*-------------------------------------------------------Compatibility-----------------------------------------------------* +*#########################################################################################################################*/ +#ifdef CC_BUILD_GL11 +static void GL_CheckSupport(void) { MakeIndices(gl_indices, GFX_MAX_INDICES); } +#else +/* fake vertex buffer objects with client side pointers */ +typedef struct fake_buffer { cc_uint8* data; } fake_buffer; +static fake_buffer* cur_ib; +static fake_buffer* cur_vb; +#define fake_GetBuffer(target) (target == _GL_ELEMENT_ARRAY_BUFFER ? &cur_ib : &cur_vb); + +static void APIENTRY fake_glBindBuffer(GLenum target, GLuint src) { + fake_buffer** buffer = fake_GetBuffer(target); + *buffer = (fake_buffer*)src; +} + +static void APIENTRY fake_glDeleteBuffers(GLsizei n, const GLuint *buffers) { + Mem_Free((void*)buffers[0]); +} + +static void APIENTRY fake_glGenBuffers(GLsizei n, GLuint *buffers) { + fake_buffer* buffer = (fake_buffer*)Mem_TryAlloc(1, sizeof(fake_buffer)); + buffer->data = NULL; + buffers[0] = (GLuint)buffer; +} + +static void APIENTRY fake_glBufferData(GLenum target, cc_uintptr size, const GLvoid* data, GLenum usage) { + fake_buffer* buffer = *fake_GetBuffer(target); + Mem_Free(buffer->data); + + buffer->data = Mem_TryAlloc(size, 1); + if (data) Mem_Copy(buffer->data, data, size); +} +static void APIENTRY fake_glBufferSubData(GLenum target, cc_uintptr offset, cc_uintptr size, const GLvoid* data) { + fake_buffer* buffer = *fake_GetBuffer(target); + Mem_Copy(buffer->data, data, size); +} + +static void GL_CheckSupport(void) { + static const struct DynamicLibSym coreVboFuncs[5] = { + DynamicLib_Sym2("glBindBuffer", glBindBuffer), DynamicLib_Sym2("glDeleteBuffers", glDeleteBuffers), + DynamicLib_Sym2("glGenBuffers", glGenBuffers), DynamicLib_Sym2("glBufferData", glBufferData), + DynamicLib_Sym2("glBufferSubData", glBufferSubData) + }; + static const struct DynamicLibSym arbVboFuncs[5] = { + DynamicLib_Sym2("glBindBufferARB", glBindBuffer), DynamicLib_Sym2("glDeleteBuffersARB", glDeleteBuffers), + DynamicLib_Sym2("glGenBuffersARB", glGenBuffers), DynamicLib_Sym2("glBufferDataARB", glBufferData), + DynamicLib_Sym2("glBufferSubDataARB", glBufferSubData) + }; + static const cc_string vboExt = String_FromConst("GL_ARB_vertex_buffer_object"); + cc_string extensions = String_FromReadonly((const char*)glGetString(GL_EXTENSIONS)); + const GLubyte* ver = glGetString(GL_VERSION); + + /* Version string is always: x.y. (and whatever afterwards) */ + int major = ver[0] - '0', minor = ver[2] - '0'; + + /* Supported in core since 1.5 */ + if (major > 1 || (major == 1 && minor >= 5)) { + GLContext_GetAll(coreVboFuncs, Array_Elems(coreVboFuncs)); + } else if (String_CaselessContains(&extensions, &vboExt)) { + GLContext_GetAll(arbVboFuncs, Array_Elems(arbVboFuncs)); + } else { + Logger_Abort("Only OpenGL 1.1 supported.\n\n" \ + "Compile the game with CC_BUILD_GL11, or ask on the ClassiCube forums for it"); + + _glBindBuffer = fake_glBindBuffer; _glDeleteBuffers = fake_glDeleteBuffers; + _glGenBuffers = fake_glGenBuffers; _glBufferData = fake_glBufferData; + _glBufferSubData = fake_glBufferSubData; + } + customMipmapsLevels = true; +} +#endif + + +/*########################################################################################################################* +*----------------------------------------------------------Drawing--------------------------------------------------------* +*#########################################################################################################################*/ +#ifdef CC_BUILD_GL11 +/* point to client side dynamic array */ +#define VB_PTR ((cc_uint8*)dynamicListData) +#define IB_PTR gl_indices +#else +/* no client side array, use vertex buffer object */ +#define VB_PTR 0 +#define IB_PTR NULL +#endif + +static void GL_SetupVbColoured(void) { + glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + 0)); + glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + 12)); +} + +static void GL_SetupVbTextured(void) { + glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + 0)); + glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + 12)); + glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + 16)); +} + +static void GL_SetupVbColoured_Range(int startVertex) { + cc_uint32 offset = startVertex * SIZEOF_VERTEX_COLOURED; + glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset)); + glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset + 12)); +} + +static void GL_SetupVbTextured_Range(int startVertex) { + cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED; + glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset)); + glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 12)); + glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 16)); +} + +void Gfx_SetVertexFormat(VertexFormat fmt) { + if (fmt == gfx_format) return; + gfx_format = fmt; + gfx_stride = strideSizes[fmt]; + + if (fmt == VERTEX_FORMAT_TEXTURED) { + glEnableClientState(GL_TEXTURE_COORD_ARRAY); + gfx_setupVBFunc = GL_SetupVbTextured; + gfx_setupVBRangeFunc = GL_SetupVbTextured_Range; + } else { + glDisableClientState(GL_TEXTURE_COORD_ARRAY); + gfx_setupVBFunc = GL_SetupVbColoured; + gfx_setupVBRangeFunc = GL_SetupVbColoured_Range; + } +} + +void Gfx_DrawVb_Lines(int verticesCount) { + gfx_setupVBFunc(); + glDrawArrays(GL_LINES, 0, verticesCount); +} + +void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) { +#ifdef CC_BUILD_GL11 + if (activeList != gl_DYNAMICLISTID) { glCallList(activeList); return; } +#endif + gfx_setupVBRangeFunc(startVertex); + glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, IB_PTR); +} + +void Gfx_DrawVb_IndexedTris(int verticesCount) { +#ifdef CC_BUILD_GL11 + if (activeList != gl_DYNAMICLISTID) { glCallList(activeList); return; } +#endif + gfx_setupVBFunc(); + glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, IB_PTR); +} + +#ifdef CC_BUILD_GL11 +void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) { glCallList(activeList); } +#else +void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) { + cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED; + glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset)); + glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 12)); + glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 16)); + glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, IB_PTR); +} +#endif /* !CC_BUILD_GL11 */ +#endif diff --git a/src/Graphics_GL.c b/src/Graphics_GL2.c similarity index 73% rename from src/Graphics_GL.c rename to src/Graphics_GL2.c index 8be8c00a1..550630469 100644 --- a/src/Graphics_GL.c +++ b/src/Graphics_GL2.c @@ -50,12 +50,6 @@ static GLuint activeList; #define gl_DYNAMICLISTID 1234567891 static void* dynamicListData; static cc_uint16 gl_indices[GFX_MAX_INDICES]; -#elif defined CC_BUILD_GLMODERN -#define _glBindBuffer(t,b) glBindBuffer(t,b) -#define _glDeleteBuffers(n,b) glDeleteBuffers(n,b) -#define _glGenBuffers(n,b) glGenBuffers(n,b) -#define _glBufferData(t,s,d,u) glBufferData(t,s,d,u) -#define _glBufferSubData(t,o,s,d) glBufferSubData(t,o,s,d) #else /* OpenGL functions use stdcall instead of cdecl on Windows */ #ifndef APIENTRY @@ -514,7 +508,6 @@ void Gfx_OnWindowResize(void) { /*########################################################################################################################* *------------------------------------------------------OpenGL modern------------------------------------------------------* *#########################################################################################################################*/ -#ifdef CC_BUILD_GLMODERN #define FTR_TEXTURE_UV (1 << 0) #define FTR_ALPHA_TEST (1 << 1) #define FTR_TEX_OFFSET (1 << 2) @@ -939,269 +932,3 @@ void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) { } } #endif - - -/*########################################################################################################################* -*------------------------------------------------------OpenGL legacy------------------------------------------------------* -*#########################################################################################################################*/ -#ifndef CC_BUILD_GLMODERN -void Gfx_SetFog(cc_bool enabled) { - gfx_fogEnabled = enabled; - gl_Toggle(GL_FOG); -} - -void Gfx_SetFogCol(PackedCol col) { - float rgba[4]; - if (col == gfx_fogColor) return; - - rgba[0] = PackedCol_R(col) / 255.0f; rgba[1] = PackedCol_G(col) / 255.0f; - rgba[2] = PackedCol_B(col) / 255.0f; rgba[3] = PackedCol_A(col) / 255.0f; - - glFogfv(GL_FOG_COLOR, rgba); - gfx_fogColor = col; -} - -void Gfx_SetFogDensity(float value) { - if (value == gfx_fogDensity) return; - glFogf(GL_FOG_DENSITY, value); - gfx_fogDensity = value; -} - -void Gfx_SetFogEnd(float value) { - if (value == gfx_fogEnd) return; - glFogf(GL_FOG_END, value); - gfx_fogEnd = value; -} - -void Gfx_SetFogMode(FogFunc func) { - static GLint modes[3] = { GL_LINEAR, GL_EXP, GL_EXP2 }; - if (func == gfx_fogMode) return; - -#ifdef CC_BUILD_GLES - /* OpenGL ES doesn't support glFogi, so use glFogf instead */ - /* https://www.khronos.org/registry/OpenGL-Refpages/es1.1/xhtml/ */ - glFogf(GL_FOG_MODE, modes[func]); -#else - glFogi(GL_FOG_MODE, modes[func]); -#endif - gfx_fogMode = func; -} - -void Gfx_SetTexturing(cc_bool enabled) { gl_Toggle(GL_TEXTURE_2D); } -void Gfx_SetAlphaTest(cc_bool enabled) { gl_Toggle(GL_ALPHA_TEST); } - -static GLenum matrix_modes[3] = { GL_PROJECTION, GL_MODELVIEW, GL_TEXTURE }; -static int lastMatrix; - -void Gfx_LoadMatrix(MatrixType type, const struct Matrix* matrix) { - if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); } - glLoadMatrixf((const float*)matrix); -} - -void Gfx_LoadIdentityMatrix(MatrixType type) { - if (type != lastMatrix) { lastMatrix = type; glMatrixMode(matrix_modes[type]); } - glLoadIdentity(); -} - -static struct Matrix texMatrix = Matrix_IdentityValue; -void Gfx_EnableTextureOffset(float x, float y) { - texMatrix.row4.X = x; texMatrix.row4.Y = y; - Gfx_LoadMatrix(2, &texMatrix); -} - -void Gfx_DisableTextureOffset(void) { Gfx_LoadIdentityMatrix(2); } - -static void Gfx_FreeState(void) { FreeDefaultResources(); } -static void Gfx_RestoreState(void) { - InitDefaultResources(); - glEnableClientState(GL_VERTEX_ARRAY); - glEnableClientState(GL_COLOR_ARRAY); - gfx_format = -1; - - glHint(GL_FOG_HINT, GL_NICEST); - glAlphaFunc(GL_GREATER, 0.5f); - glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); - glDepthFunc(GL_LEQUAL); -} - -cc_bool Gfx_WarnIfNecessary(void) { - cc_string renderer = String_FromReadonly((const char*)glGetString(GL_RENDERER)); - -#ifdef CC_BUILD_GL11 - Chat_AddRaw("&cYou are using the very outdated OpenGL backend."); - Chat_AddRaw("&cAs such you may experience poor performance."); - Chat_AddRaw("&cIt is likely you need to install video card drivers."); -#endif - if (!String_ContainsConst(&renderer, "Intel")) return false; - - Chat_AddRaw("&cIntel graphics cards are known to have issues with the OpenGL build."); - Chat_AddRaw("&cVSync may not work, and you may see disappearing clouds and map edges."); -#ifdef CC_BUILD_WIN - Chat_AddRaw("&cTry downloading the Direct3D 9 build instead."); -#endif - return true; -} - - -/*########################################################################################################################* -*-------------------------------------------------------Compatibility-----------------------------------------------------* -*#########################################################################################################################*/ -#ifdef CC_BUILD_GL11 -static void GL_CheckSupport(void) { MakeIndices(gl_indices, GFX_MAX_INDICES); } -#else -/* fake vertex buffer objects with client side pointers */ -typedef struct fake_buffer { cc_uint8* data; } fake_buffer; -static fake_buffer* cur_ib; -static fake_buffer* cur_vb; -#define fake_GetBuffer(target) (target == _GL_ELEMENT_ARRAY_BUFFER ? &cur_ib : &cur_vb); - -static void APIENTRY fake_glBindBuffer(GLenum target, GLuint src) { - fake_buffer** buffer = fake_GetBuffer(target); - *buffer = (fake_buffer*)src; -} - -static void APIENTRY fake_glDeleteBuffers(GLsizei n, const GLuint *buffers) { - Mem_Free((void*)buffers[0]); -} - -static void APIENTRY fake_glGenBuffers(GLsizei n, GLuint *buffers) { - fake_buffer* buffer = (fake_buffer*)Mem_TryAlloc(1, sizeof(fake_buffer)); - buffer->data = NULL; - buffers[0] = (GLuint)buffer; -} - -static void APIENTRY fake_glBufferData(GLenum target, cc_uintptr size, const GLvoid* data, GLenum usage) { - fake_buffer* buffer = *fake_GetBuffer(target); - Mem_Free(buffer->data); - - buffer->data = Mem_TryAlloc(size, 1); - if (data) Mem_Copy(buffer->data, data, size); -} -static void APIENTRY fake_glBufferSubData(GLenum target, cc_uintptr offset, cc_uintptr size, const GLvoid* data) { - fake_buffer* buffer = *fake_GetBuffer(target); - Mem_Copy(buffer->data, data, size); -} - -static void GL_CheckSupport(void) { - static const struct DynamicLibSym coreVboFuncs[5] = { - DynamicLib_Sym2("glBindBuffer", glBindBuffer), DynamicLib_Sym2("glDeleteBuffers", glDeleteBuffers), - DynamicLib_Sym2("glGenBuffers", glGenBuffers), DynamicLib_Sym2("glBufferData", glBufferData), - DynamicLib_Sym2("glBufferSubData", glBufferSubData) - }; - static const struct DynamicLibSym arbVboFuncs[5] = { - DynamicLib_Sym2("glBindBufferARB", glBindBuffer), DynamicLib_Sym2("glDeleteBuffersARB", glDeleteBuffers), - DynamicLib_Sym2("glGenBuffersARB", glGenBuffers), DynamicLib_Sym2("glBufferDataARB", glBufferData), - DynamicLib_Sym2("glBufferSubDataARB", glBufferSubData) - }; - static const cc_string vboExt = String_FromConst("GL_ARB_vertex_buffer_object"); - cc_string extensions = String_FromReadonly((const char*)glGetString(GL_EXTENSIONS)); - const GLubyte* ver = glGetString(GL_VERSION); - - /* Version string is always: x.y. (and whatever afterwards) */ - int major = ver[0] - '0', minor = ver[2] - '0'; - - /* Supported in core since 1.5 */ - if (major > 1 || (major == 1 && minor >= 5)) { - GLContext_GetAll(coreVboFuncs, Array_Elems(coreVboFuncs)); - } else if (String_CaselessContains(&extensions, &vboExt)) { - GLContext_GetAll(arbVboFuncs, Array_Elems(arbVboFuncs)); - } else { - Logger_Abort("Only OpenGL 1.1 supported.\n\n" \ - "Compile the game with CC_BUILD_GL11, or ask on the ClassiCube forums for it"); - - _glBindBuffer = fake_glBindBuffer; _glDeleteBuffers = fake_glDeleteBuffers; - _glGenBuffers = fake_glGenBuffers; _glBufferData = fake_glBufferData; - _glBufferSubData = fake_glBufferSubData; - } - customMipmapsLevels = true; -} -#endif - - -/*########################################################################################################################* -*----------------------------------------------------------Drawing--------------------------------------------------------* -*#########################################################################################################################*/ -#ifdef CC_BUILD_GL11 -/* point to client side dynamic array */ -#define VB_PTR ((cc_uint8*)dynamicListData) -#define IB_PTR gl_indices -#else -/* no client side array, use vertex buffer object */ -#define VB_PTR 0 -#define IB_PTR NULL -#endif - -static void GL_SetupVbColoured(void) { - glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + 0)); - glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + 12)); -} - -static void GL_SetupVbTextured(void) { - glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + 0)); - glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + 12)); - glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + 16)); -} - -static void GL_SetupVbColoured_Range(int startVertex) { - cc_uint32 offset = startVertex * SIZEOF_VERTEX_COLOURED; - glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset)); - glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_COLOURED, (void*)(VB_PTR + offset + 12)); -} - -static void GL_SetupVbTextured_Range(int startVertex) { - cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED; - glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset)); - glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 12)); - glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 16)); -} - -void Gfx_SetVertexFormat(VertexFormat fmt) { - if (fmt == gfx_format) return; - gfx_format = fmt; - gfx_stride = strideSizes[fmt]; - - if (fmt == VERTEX_FORMAT_TEXTURED) { - glEnableClientState(GL_TEXTURE_COORD_ARRAY); - gfx_setupVBFunc = GL_SetupVbTextured; - gfx_setupVBRangeFunc = GL_SetupVbTextured_Range; - } else { - glDisableClientState(GL_TEXTURE_COORD_ARRAY); - gfx_setupVBFunc = GL_SetupVbColoured; - gfx_setupVBRangeFunc = GL_SetupVbColoured_Range; - } -} - -void Gfx_DrawVb_Lines(int verticesCount) { - gfx_setupVBFunc(); - glDrawArrays(GL_LINES, 0, verticesCount); -} - -void Gfx_DrawVb_IndexedTris_Range(int verticesCount, int startVertex) { -#ifdef CC_BUILD_GL11 - if (activeList != gl_DYNAMICLISTID) { glCallList(activeList); return; } -#endif - gfx_setupVBRangeFunc(startVertex); - glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, IB_PTR); -} - -void Gfx_DrawVb_IndexedTris(int verticesCount) { -#ifdef CC_BUILD_GL11 - if (activeList != gl_DYNAMICLISTID) { glCallList(activeList); return; } -#endif - gfx_setupVBFunc(); - glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, IB_PTR); -} - -#ifdef CC_BUILD_GL11 -void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) { glCallList(activeList); } -#else -void Gfx_DrawIndexedTris_T2fC4b(int verticesCount, int startVertex) { - cc_uint32 offset = startVertex * SIZEOF_VERTEX_TEXTURED; - glVertexPointer(3, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset)); - glColorPointer(4, GL_UNSIGNED_BYTE, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 12)); - glTexCoordPointer(2, GL_FLOAT, SIZEOF_VERTEX_TEXTURED, (void*)(VB_PTR + offset + 16)); - glDrawElements(GL_TRIANGLES, ICOUNT(verticesCount), GL_UNSIGNED_SHORT, IB_PTR); -} -#endif /* !CC_BUILD_GL11 */ -#endif /* !CC_BUILD_GLMODERN */ -#endif