| /* Direct3D Common functions |
| * Copyright (c) 1998 Lionel ULMER |
| * |
| * This file contains all MESA common code |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Lesser General Public |
| * License as published by the Free Software Foundation; either |
| * version 2.1 of the License, or (at your option) any later version. |
| * |
| * This library 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 |
| * Lesser General Public License for more details. |
| * |
| * You should have received a copy of the GNU Lesser General Public |
| * License along with this library; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #include "config.h" |
| |
| #include <stdarg.h> |
| |
| #define NONAMELESSUNION |
| #define NONAMELESSSTRUCT |
| #include "windef.h" |
| #include "winbase.h" |
| #include "objbase.h" |
| #include "wingdi.h" |
| #include "ddraw.h" |
| #include "d3d.h" |
| #include "wine/debug.h" |
| |
| #include "opengl_private.h" |
| |
| WINE_DEFAULT_DEBUG_CHANNEL(ddraw); |
| |
| GLenum convert_D3D_compare_to_GL(D3DCMPFUNC dwRenderState) |
| { |
| switch (dwRenderState) { |
| case D3DCMP_NEVER: return GL_NEVER; |
| case D3DCMP_LESS: return GL_LESS; |
| case D3DCMP_EQUAL: return GL_EQUAL; |
| case D3DCMP_LESSEQUAL: return GL_LEQUAL; |
| case D3DCMP_GREATER: return GL_GREATER; |
| case D3DCMP_NOTEQUAL: return GL_NOTEQUAL; |
| case D3DCMP_GREATEREQUAL: return GL_GEQUAL; |
| case D3DCMP_ALWAYS: return GL_ALWAYS; |
| default: ERR("Unexpected compare type %d !\n", dwRenderState); |
| } |
| return GL_ALWAYS; |
| } |
| |
| GLenum convert_D3D_stencilop_to_GL(D3DSTENCILOP dwRenderState) |
| { |
| switch (dwRenderState) { |
| case D3DSTENCILOP_KEEP: return GL_KEEP; |
| case D3DSTENCILOP_ZERO: return GL_ZERO; |
| case D3DSTENCILOP_REPLACE: return GL_REPLACE; |
| case D3DSTENCILOP_INCRSAT: return GL_INCR; |
| case D3DSTENCILOP_DECRSAT: return GL_DECR; |
| case D3DSTENCILOP_INVERT: return GL_INVERT; |
| case D3DSTENCILOP_INCR: WARN("D3DSTENCILOP_INCR not properly handled !\n"); return GL_INCR; |
| case D3DSTENCILOP_DECR: WARN("D3DSTENCILOP_DECR not properly handled !\n"); return GL_DECR; |
| default: ERR("Unexpected compare type %d !\n", dwRenderState); |
| } |
| return GL_KEEP; |
| } |
| |
| GLenum convert_D3D_blendop_to_GL(D3DBLEND dwRenderState) |
| { |
| switch ((D3DBLEND) dwRenderState) { |
| case D3DBLEND_ZERO: return GL_ZERO; |
| case D3DBLEND_ONE: return GL_ONE; |
| case D3DBLEND_SRCALPHA: return GL_SRC_ALPHA; |
| case D3DBLEND_INVSRCALPHA: return GL_ONE_MINUS_SRC_ALPHA; |
| case D3DBLEND_DESTALPHA: return GL_DST_ALPHA; |
| case D3DBLEND_INVDESTALPHA: return GL_ONE_MINUS_DST_ALPHA; |
| case D3DBLEND_DESTCOLOR: return GL_DST_COLOR; |
| case D3DBLEND_INVDESTCOLOR: return GL_ONE_MINUS_DST_COLOR; |
| case D3DBLEND_SRCALPHASAT: return GL_SRC_ALPHA_SATURATE; |
| case D3DBLEND_SRCCOLOR: return GL_SRC_COLOR; |
| case D3DBLEND_INVSRCCOLOR: return GL_ONE_MINUS_SRC_COLOR; |
| default: ERR("Unhandled blend mode %d !\n", dwRenderState); return GL_ZERO; |
| } |
| } |
| |
| void set_render_state(IDirect3DDeviceImpl* This, |
| D3DRENDERSTATETYPE dwRenderStateType, STATEBLOCK *lpStateBlock) |
| { |
| DWORD dwRenderState = lpStateBlock->render_state[dwRenderStateType - 1]; |
| IDirect3DDeviceGLImpl *glThis = (IDirect3DDeviceGLImpl *) This; |
| |
| TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState); |
| |
| /* First, all the stipple patterns */ |
| if ((dwRenderStateType >= D3DRENDERSTATE_STIPPLEPATTERN00) && |
| (dwRenderStateType <= D3DRENDERSTATE_STIPPLEPATTERN31)) { |
| ERR("Unhandled dwRenderStateType stipple %d!\n",dwRenderStateType); |
| } else { |
| ENTER_GL(); |
| |
| /* All others state variables */ |
| switch (dwRenderStateType) { |
| case D3DRENDERSTATE_TEXTUREHANDLE: { /* 1 */ |
| IDirectDrawSurfaceImpl *tex = (IDirectDrawSurfaceImpl*) dwRenderState; |
| |
| IDirect3DDevice7_SetTexture(ICOM_INTERFACE(This, IDirect3DDevice7), |
| 0, |
| ICOM_INTERFACE(tex, IDirectDrawSurface7)); |
| } break; |
| |
| case D3DRENDERSTATE_ANTIALIAS: /* 2 */ |
| if (dwRenderState) |
| ERR("D3DRENDERSTATE_ANTIALIAS not supported yet !\n"); |
| break; |
| |
| case D3DRENDERSTATE_TEXTUREADDRESSU: /* 44 */ |
| case D3DRENDERSTATE_TEXTUREADDRESSV: /* 45 */ |
| case D3DRENDERSTATE_TEXTUREADDRESS: { /* 3 */ |
| D3DTEXTURESTAGESTATETYPE d3dTexStageStateType; |
| |
| if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) d3dTexStageStateType = D3DTSS_ADDRESS; |
| else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESSU) d3dTexStageStateType = D3DTSS_ADDRESSU; |
| else d3dTexStageStateType = D3DTSS_ADDRESSV; |
| |
| IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), |
| 0, d3dTexStageStateType, |
| dwRenderState); |
| } break; |
| |
| case D3DRENDERSTATE_TEXTUREPERSPECTIVE: /* 4 */ |
| if (dwRenderState) |
| glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_NICEST); |
| else |
| glHint(GL_PERSPECTIVE_CORRECTION_HINT, GL_FASTEST); |
| break; |
| |
| case D3DRENDERSTATE_WRAPU: /* 5 */ |
| case D3DRENDERSTATE_WRAPV: /* 6 */ |
| case D3DRENDERSTATE_WRAP0: /* 128 */ |
| case D3DRENDERSTATE_WRAP1: /* 129 */ |
| case D3DRENDERSTATE_WRAP2: /* 130 */ |
| case D3DRENDERSTATE_WRAP3: /* 131 */ |
| case D3DRENDERSTATE_WRAP4: /* 132 */ |
| case D3DRENDERSTATE_WRAP5: /* 133 */ |
| case D3DRENDERSTATE_WRAP6: /* 134 */ |
| case D3DRENDERSTATE_WRAP7: /* 135 */ |
| if (dwRenderState) |
| ERR("Texture WRAP modes unsupported by OpenGL.. Expect graphical glitches !\n"); |
| break; |
| |
| case D3DRENDERSTATE_ZENABLE: /* 7 */ |
| /* To investigate : in OpenGL, if we disable the depth test, the Z buffer will NOT be |
| updated either.. No idea about what happens in D3D. |
| |
| Maybe replacing the Z function by ALWAYS would be a better idea. */ |
| if (dwRenderState == D3DZB_TRUE) { |
| if (glThis->depth_test == FALSE) { |
| glEnable(GL_DEPTH_TEST); |
| glThis->depth_test = TRUE; |
| } |
| } else if (dwRenderState == D3DZB_FALSE) { |
| if (glThis->depth_test) { |
| glDisable(GL_DEPTH_TEST); |
| glThis->depth_test = FALSE; |
| } |
| } else { |
| if (glThis->depth_test == FALSE) { |
| glEnable(GL_DEPTH_TEST); |
| glThis->depth_test = TRUE; |
| } |
| WARN(" w-buffering not supported.\n"); |
| } |
| break; |
| |
| case D3DRENDERSTATE_FILLMODE: /* 8 */ |
| switch ((D3DFILLMODE) dwRenderState) { |
| case D3DFILL_POINT: |
| glPolygonMode(GL_FRONT_AND_BACK,GL_POINT); |
| break; |
| case D3DFILL_WIREFRAME: |
| glPolygonMode(GL_FRONT_AND_BACK,GL_LINE); |
| break; |
| case D3DFILL_SOLID: |
| glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); |
| break; |
| default: |
| ERR("Unhandled fill mode %ld !\n",dwRenderState); |
| } |
| break; |
| |
| case D3DRENDERSTATE_SHADEMODE: /* 9 */ |
| switch ((D3DSHADEMODE) dwRenderState) { |
| case D3DSHADE_FLAT: |
| glShadeModel(GL_FLAT); |
| break; |
| case D3DSHADE_GOURAUD: |
| glShadeModel(GL_SMOOTH); |
| break; |
| default: |
| ERR("Unhandled shade mode %ld !\n",dwRenderState); |
| } |
| break; |
| |
| case D3DRENDERSTATE_ZWRITEENABLE: /* 14 */ |
| if ((dwRenderState != FALSE) && (glThis->depth_mask == FALSE)) |
| glDepthMask(GL_TRUE); |
| else if ((dwRenderState == FALSE) && (glThis->depth_mask != FALSE)) |
| glDepthMask(GL_FALSE); |
| glThis->depth_mask = dwRenderState; |
| break; |
| |
| case D3DRENDERSTATE_ALPHATESTENABLE: /* 15 */ |
| if ((dwRenderState != 0) && (glThis->alpha_test == FALSE)) |
| glEnable(GL_ALPHA_TEST); |
| else if ((dwRenderState == 0) && (glThis->alpha_test != FALSE)) |
| glDisable(GL_ALPHA_TEST); |
| glThis->alpha_test = dwRenderState; |
| break; |
| |
| case D3DRENDERSTATE_TEXTUREMAG: { /* 17 */ |
| DWORD tex_mag = 0xFFFFFFFF; |
| |
| switch ((D3DTEXTUREFILTER) dwRenderState) { |
| case D3DFILTER_NEAREST: |
| tex_mag = D3DTFG_POINT; |
| break; |
| case D3DFILTER_LINEAR: |
| tex_mag = D3DTFG_LINEAR; |
| break; |
| default: |
| ERR("Unhandled texture mag %ld !\n",dwRenderState); |
| } |
| |
| if (tex_mag != 0xFFFFFFFF) { |
| IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MAGFILTER, tex_mag); |
| } |
| } break; |
| |
| case D3DRENDERSTATE_TEXTUREMIN: { /* 18 */ |
| DWORD tex_min = 0xFFFFFFFF; |
| |
| switch ((D3DTEXTUREFILTER) dwRenderState) { |
| case D3DFILTER_NEAREST: |
| tex_min = D3DTFN_POINT; |
| break; |
| case D3DFILTER_LINEAR: |
| tex_min = D3DTFN_LINEAR; |
| break; |
| default: |
| ERR("Unhandled texture min %ld !\n",dwRenderState); |
| } |
| |
| if (tex_min != 0xFFFFFFFF) { |
| IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), 0, D3DTSS_MINFILTER, tex_min); |
| } |
| } break; |
| |
| case D3DRENDERSTATE_SRCBLEND: /* 19 */ |
| case D3DRENDERSTATE_DESTBLEND: /* 20 */ |
| glBlendFunc(convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1]), |
| convert_D3D_blendop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1])); |
| break; |
| |
| case D3DRENDERSTATE_TEXTUREMAPBLEND: { /* 21 */ |
| IDirect3DDevice7 *d3ddev = ICOM_INTERFACE(This, IDirect3DDevice7); |
| |
| switch ((D3DTEXTUREBLEND) dwRenderState) { |
| case D3DTBLEND_DECAL: |
| if (glThis->current_tex_env != GL_REPLACE) { |
| glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_REPLACE); |
| glThis->current_tex_env = GL_REPLACE; |
| } |
| break; |
| case D3DTBLEND_DECALALPHA: |
| if (glThis->current_tex_env != GL_REPLACE) { |
| glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_DECAL); |
| glThis->current_tex_env = GL_DECAL; |
| } |
| break; |
| case D3DTBLEND_MODULATE: |
| if (glThis->current_tex_env != GL_MODULATE) { |
| glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE); |
| glThis->current_tex_env = GL_MODULATE; |
| } |
| break; |
| case D3DTBLEND_MODULATEALPHA: |
| IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG1, D3DTA_TEXTURE); |
| IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAARG1, D3DTA_TEXTURE); |
| IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_COLORARG2, D3DTA_CURRENT); |
| IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAARG2, D3DTA_CURRENT); |
| IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_COLOROP, D3DTOP_MODULATE); |
| IDirect3DDevice7_SetTextureStageState(d3ddev, 0, D3DTSS_ALPHAOP, D3DTOP_MODULATE); |
| break; |
| default: |
| ERR("Unhandled texture environment %ld !\n",dwRenderState); |
| } |
| } break; |
| |
| case D3DRENDERSTATE_CULLMODE: /* 22 */ |
| switch ((D3DCULL) dwRenderState) { |
| case D3DCULL_NONE: |
| if (glThis->cull_face != 0) { |
| glDisable(GL_CULL_FACE); |
| glThis->cull_face = 0; |
| } |
| break; |
| case D3DCULL_CW: |
| if (glThis->cull_face == 0) { |
| glEnable(GL_CULL_FACE); |
| glThis->cull_face = 1; |
| } |
| glFrontFace(GL_CCW); |
| glCullFace(GL_BACK); |
| break; |
| case D3DCULL_CCW: |
| if (glThis->cull_face == 0) { |
| glEnable(GL_CULL_FACE); |
| glThis->cull_face = 1; |
| } |
| glFrontFace(GL_CW); |
| glCullFace(GL_BACK); |
| break; |
| default: |
| ERR("Unhandled cull mode %ld !\n",dwRenderState); |
| } |
| break; |
| |
| case D3DRENDERSTATE_ZFUNC: /* 23 */ |
| glDepthFunc(convert_D3D_compare_to_GL(dwRenderState)); |
| break; |
| |
| case D3DRENDERSTATE_ALPHAREF: /* 24 */ |
| case D3DRENDERSTATE_ALPHAFUNC: { /* 25 */ |
| GLenum func = convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_ALPHAFUNC - 1]); |
| GLclampf ref = (lpStateBlock->render_state[D3DRENDERSTATE_ALPHAREF - 1] & 0x000000FF) / 255.0; |
| |
| if ((func != glThis->current_alpha_test_func) || (ref != glThis->current_alpha_test_ref)) { |
| glAlphaFunc(func, ref); |
| glThis->current_alpha_test_func = func; |
| glThis->current_alpha_test_ref = ref; |
| } |
| } |
| break; |
| |
| case D3DRENDERSTATE_DITHERENABLE: /* 26 */ |
| if (dwRenderState) |
| glEnable(GL_DITHER); |
| else |
| glDisable(GL_DITHER); |
| break; |
| |
| case D3DRENDERSTATE_ALPHABLENDENABLE: /* 27 */ |
| if ((dwRenderState != 0) && (glThis->blending == 0)) { |
| glEnable(GL_BLEND); |
| } else if ((dwRenderState == 0) && (glThis->blending != 0)) { |
| glDisable(GL_BLEND); |
| } |
| glThis->blending = dwRenderState; |
| |
| /* Hack for some old games ... */ |
| if (glThis->parent.version == 1) { |
| lpStateBlock->render_state[D3DRENDERSTATE_COLORKEYENABLE - 1] = dwRenderState; |
| } |
| break; |
| |
| case D3DRENDERSTATE_FOGENABLE: /* 28 */ |
| /* Nothing to do here. Only the storage matters :-) */ |
| break; |
| |
| case D3DRENDERSTATE_SPECULARENABLE: /* 29 */ |
| if (dwRenderState) |
| ERR(" Specular Lighting not supported yet.\n"); |
| break; |
| |
| case D3DRENDERSTATE_SUBPIXEL: /* 31 */ |
| case D3DRENDERSTATE_SUBPIXELX: /* 32 */ |
| /* We do not support this anyway, so why protest :-) */ |
| break; |
| |
| case D3DRENDERSTATE_STIPPLEDALPHA: /* 33 */ |
| if (dwRenderState) |
| ERR(" Stippled Alpha not supported yet.\n"); |
| break; |
| |
| case D3DRENDERSTATE_FOGCOLOR: { /* 34 */ |
| GLfloat color[4]; |
| color[0] = ((dwRenderState >> 16) & 0xFF)/255.0f; |
| color[1] = ((dwRenderState >> 8) & 0xFF)/255.0f; |
| color[2] = ((dwRenderState >> 0) & 0xFF)/255.0f; |
| color[3] = ((dwRenderState >> 24) & 0xFF)/255.0f; |
| glFogfv(GL_FOG_COLOR,color); |
| /* Note: glFogiv does not seem to work */ |
| } break; |
| |
| case D3DRENDERSTATE_FOGTABLEMODE: /* 35 */ |
| case D3DRENDERSTATE_FOGVERTEXMODE: /* 140 */ |
| case D3DRENDERSTATE_FOGSTART: /* 36 */ |
| case D3DRENDERSTATE_FOGEND: /* 37 */ |
| /* Nothing to do here. Only the storage matters :-) */ |
| break; |
| |
| case D3DRENDERSTATE_FOGDENSITY: /* 38 */ |
| glFogi(GL_FOG_DENSITY,*(float*)&dwRenderState); |
| break; |
| |
| case D3DRENDERSTATE_COLORKEYENABLE: /* 41 */ |
| /* Nothing done here, only storage matters. */ |
| break; |
| |
| case D3DRENDERSTATE_MIPMAPLODBIAS: /* 46 */ |
| IDirect3DDevice7_SetTextureStageState(ICOM_INTERFACE(This, IDirect3DDevice7), |
| 0, D3DTSS_MIPMAPLODBIAS, |
| dwRenderState); |
| break; |
| |
| case D3DRENDERSTATE_ZBIAS: /* 47 */ |
| /* This is a tad bit hacky.. But well, no idea how to do it better in OpenGL :-/ */ |
| if (dwRenderState == 0) { |
| glDisable(GL_POLYGON_OFFSET_FILL); |
| glDisable(GL_POLYGON_OFFSET_LINE); |
| glDisable(GL_POLYGON_OFFSET_POINT); |
| } else { |
| glEnable(GL_POLYGON_OFFSET_FILL); |
| glEnable(GL_POLYGON_OFFSET_LINE); |
| glEnable(GL_POLYGON_OFFSET_POINT); |
| glPolygonOffset(1.0, dwRenderState * 1.0); |
| } |
| break; |
| |
| case D3DRENDERSTATE_FLUSHBATCH: /* 50 */ |
| break; |
| |
| case D3DRENDERSTATE_STENCILENABLE: /* 52 */ |
| if ((dwRenderState != 0) && (glThis->stencil_test == 0)) |
| glEnable(GL_STENCIL_TEST); |
| else if ((dwRenderState == 0) && (glThis->stencil_test != 0)) |
| glDisable(GL_STENCIL_TEST); |
| glThis->stencil_test = dwRenderState; |
| break; |
| |
| case D3DRENDERSTATE_STENCILFAIL: /* 53 */ |
| case D3DRENDERSTATE_STENCILZFAIL: /* 54 */ |
| case D3DRENDERSTATE_STENCILPASS: /* 55 */ |
| glStencilOp(convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFAIL - 1]), |
| convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILZFAIL - 1]), |
| convert_D3D_stencilop_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILPASS - 1])); |
| break; |
| |
| case D3DRENDERSTATE_STENCILFUNC: /* 56 */ |
| case D3DRENDERSTATE_STENCILREF: /* 57 */ |
| case D3DRENDERSTATE_STENCILMASK: /* 58 */ |
| glStencilFunc(convert_D3D_compare_to_GL(lpStateBlock->render_state[D3DRENDERSTATE_STENCILFUNC - 1]), |
| lpStateBlock->render_state[D3DRENDERSTATE_STENCILREF - 1], |
| lpStateBlock->render_state[D3DRENDERSTATE_STENCILMASK - 1]); |
| break; |
| |
| case D3DRENDERSTATE_STENCILWRITEMASK: /* 59 */ |
| glStencilMask(dwRenderState); |
| break; |
| |
| case D3DRENDERSTATE_TEXTUREFACTOR: /* 60 */ |
| /* Only the storage matters... */ |
| break; |
| |
| case D3DRENDERSTATE_CLIPPING: /* 136 */ |
| case D3DRENDERSTATE_CLIPPLANEENABLE: { /* 152 */ |
| GLint i; |
| DWORD mask, runner; |
| |
| if (dwRenderStateType == D3DRENDERSTATE_CLIPPING) { |
| mask = ((dwRenderState) ? |
| (This->state_block.render_state[D3DRENDERSTATE_CLIPPLANEENABLE - 1]) : (0x00000000)); |
| } else { |
| mask = dwRenderState; |
| } |
| for (i = 0, runner = 0x00000001; i < This->max_clipping_planes; i++, runner = (runner << 1)) { |
| if (mask & runner) { |
| GLint enabled; |
| glGetIntegerv(GL_CLIP_PLANE0 + i, &enabled); |
| if (enabled == GL_FALSE) { |
| glEnable(GL_CLIP_PLANE0 + i); |
| /* Need to force a transform change so that this clipping plane parameters are sent |
| * properly to GL. |
| */ |
| glThis->transform_state = GL_TRANSFORM_NONE; |
| } |
| } else { |
| glDisable(GL_CLIP_PLANE0 + i); |
| } |
| } |
| } |
| break; |
| |
| case D3DRENDERSTATE_LIGHTING: /* 137 */ |
| /* Nothing to do, only storage matters... */ |
| break; |
| |
| case D3DRENDERSTATE_AMBIENT: { /* 139 */ |
| float light[4]; |
| |
| light[0] = ((dwRenderState >> 16) & 0xFF) / 255.0; |
| light[1] = ((dwRenderState >> 8) & 0xFF) / 255.0; |
| light[2] = ((dwRenderState >> 0) & 0xFF) / 255.0; |
| light[3] = ((dwRenderState >> 24) & 0xFF) / 255.0; |
| glLightModelfv(GL_LIGHT_MODEL_AMBIENT, (float *) light); |
| } break; |
| |
| case D3DRENDERSTATE_COLORVERTEX: /* 141 */ |
| /* Nothing to do here.. Only storage matters */ |
| break; |
| |
| case D3DRENDERSTATE_LOCALVIEWER: /* 142 */ |
| if (dwRenderState) |
| glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_TRUE); |
| else |
| glLightModeli(GL_LIGHT_MODEL_LOCAL_VIEWER, GL_FALSE); |
| break; |
| |
| case D3DRENDERSTATE_NORMALIZENORMALS: /* 143 */ |
| if (dwRenderState) { |
| glEnable(GL_NORMALIZE); |
| glEnable(GL_RESCALE_NORMAL); |
| } else { |
| glDisable(GL_NORMALIZE); |
| glDisable(GL_RESCALE_NORMAL); |
| } |
| break; |
| |
| case D3DRENDERSTATE_DIFFUSEMATERIALSOURCE: /* 145 */ |
| case D3DRENDERSTATE_SPECULARMATERIALSOURCE: /* 146 */ |
| case D3DRENDERSTATE_AMBIENTMATERIALSOURCE: /* 147 */ |
| case D3DRENDERSTATE_EMISSIVEMATERIALSOURCE: /* 148 */ |
| /* Nothing to do here. Only the storage matters :-) */ |
| break; |
| |
| default: |
| ERR("Unhandled dwRenderStateType %s (%08x) value : %08lx !\n", |
| _get_renderstate(dwRenderStateType), dwRenderStateType, dwRenderState); |
| } |
| LEAVE_GL(); |
| } |
| } |
| |
| void store_render_state(IDirect3DDeviceImpl *This, |
| D3DRENDERSTATETYPE dwRenderStateType, DWORD dwRenderState, STATEBLOCK *lpStateBlock) |
| { |
| TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), dwRenderState); |
| |
| /* Some special cases first.. */ |
| if (dwRenderStateType == D3DRENDERSTATE_SRCBLEND) { |
| if (dwRenderState == D3DBLEND_BOTHSRCALPHA) { |
| lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_SRCALPHA; |
| lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_INVSRCALPHA; |
| return; |
| } else if (dwRenderState == D3DBLEND_BOTHINVSRCALPHA) { |
| lpStateBlock->render_state[D3DRENDERSTATE_SRCBLEND - 1] = D3DBLEND_INVSRCALPHA; |
| lpStateBlock->render_state[D3DRENDERSTATE_DESTBLEND - 1] = D3DBLEND_SRCALPHA; |
| return; |
| } |
| } else if (dwRenderStateType == D3DRENDERSTATE_TEXTUREADDRESS) { |
| lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSU - 1] = dwRenderState; |
| lpStateBlock->render_state[D3DRENDERSTATE_TEXTUREADDRESSV - 1] = dwRenderState; |
| } else if (dwRenderStateType == D3DRENDERSTATE_WRAPU) { |
| if (dwRenderState) |
| lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] |= D3DWRAP_U; |
| else |
| lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] &= ~D3DWRAP_U; |
| } else if (dwRenderStateType == D3DRENDERSTATE_WRAPV) { |
| if (dwRenderState) |
| lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] |= D3DWRAP_V; |
| else |
| lpStateBlock->render_state[D3DRENDERSTATE_WRAP0] &= ~D3DWRAP_V; |
| } |
| |
| /* Default case */ |
| lpStateBlock->render_state[dwRenderStateType - 1] = dwRenderState; |
| } |
| |
| void get_render_state(IDirect3DDeviceImpl *This, |
| D3DRENDERSTATETYPE dwRenderStateType, LPDWORD lpdwRenderState, STATEBLOCK *lpStateBlock) |
| { |
| *lpdwRenderState = lpStateBlock->render_state[dwRenderStateType - 1]; |
| if (TRACE_ON(ddraw)) |
| TRACE("%s = %08lx\n", _get_renderstate(dwRenderStateType), *lpdwRenderState); |
| } |
| |
| void apply_render_state(IDirect3DDeviceImpl *This, STATEBLOCK *lpStateBlock) |
| { |
| DWORD i; |
| TRACE("(%p,%p)\n", This, lpStateBlock); |
| for(i = 0; i < HIGHEST_RENDER_STATE; i++) |
| if (lpStateBlock->set_flags.render_state[i]) |
| set_render_state(This, i + 1, lpStateBlock); |
| } |
| |
| |
| /* Texture management code. |
| |
| - upload_surface_to_tex_memory_init initialize the code and computes the GL formats |
| according to the surface description. |
| |
| - upload_surface_to_tex_memory does the real upload. If one buffer is split over |
| multiple textures, this can be called multiple times after the '_init' call. 'rect' |
| can be NULL if the whole buffer needs to be upload. |
| |
| - upload_surface_to_tex_memory_release does the clean-up. |
| |
| These functions are called in the following cases : |
| - texture management (ie to upload a D3D texture to GL when it changes). |
| - flush of the 'in-memory' frame buffer to the GL frame buffer using the texture |
| engine. |
| - use of the texture engine to simulate Blits to the 3D Device. |
| */ |
| typedef enum { |
| NO_CONVERSION, |
| CONVERT_PALETTED, |
| CONVERT_CK_565, |
| CONVERT_CK_5551, |
| CONVERT_CK_4444, |
| CONVERT_CK_4444_ARGB, |
| CONVERT_CK_1555, |
| CONVERT_555, |
| CONVERT_CK_RGB24, |
| CONVERT_CK_8888, |
| CONVERT_CK_8888_ARGB, |
| CONVERT_RGB32_888 |
| } CONVERT_TYPES; |
| |
| /* Note : we suppose that all the code calling this is protected by the GL lock... Otherwise bad things |
| may happen :-) */ |
| static GLenum current_format; |
| static GLenum current_pixel_format; |
| static CONVERT_TYPES convert_type; |
| static IDirectDrawSurfaceImpl *current_surface; |
| static GLuint current_level; |
| static DWORD current_tex_width; |
| static DWORD current_tex_height; |
| static GLuint current_alignement_constraints; |
| static int current_storage_width; |
| |
| HRESULT upload_surface_to_tex_memory_init(IDirectDrawSurfaceImpl *surf_ptr, GLuint level, GLenum *current_internal_format, |
| BOOLEAN need_to_alloc, BOOLEAN need_alpha_ck, DWORD tex_width, DWORD tex_height) |
| { |
| const DDPIXELFORMAT * const src_pf = &(surf_ptr->surface_desc.u4.ddpfPixelFormat); |
| BOOL error = FALSE; |
| BOOL colorkey_active = need_alpha_ck && (surf_ptr->surface_desc.dwFlags & DDSD_CKSRCBLT); |
| GLenum internal_format = GL_LUMINANCE; /* A bogus value to be sure to have a nice Mesa warning :-) */ |
| BYTE bpp = GET_BPP(surf_ptr->surface_desc); |
| BOOL sub_texture = TRUE; |
| |
| current_surface = surf_ptr; |
| current_level = level; |
| |
| if (src_pf->dwFlags & DDPF_FOURCC) { |
| GLenum retVal; |
| int size = surf_ptr->surface_desc.u1.dwLinearSize; |
| int width = surf_ptr->surface_desc.dwWidth; |
| int height = surf_ptr->surface_desc.dwHeight; |
| LPVOID buffer = surf_ptr->surface_desc.lpSurface; |
| |
| switch (src_pf->dwFourCC) { |
| case MAKE_FOURCC('D','X','T','1'): retVal = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; break; |
| case MAKE_FOURCC('D','X','T','3'): retVal = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break; |
| case MAKE_FOURCC('D','X','T','5'): retVal = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break; |
| default: |
| FIXME("FourCC Not supported\n"); |
| return DD_OK; |
| } |
| |
| if (GL_extensions.s3tc_compressed_texture) { |
| GL_extensions.glCompressedTexImage2D(GL_TEXTURE_2D, current_level, retVal, width, height, 0, size, buffer); |
| } else |
| ERR("Trying to upload S3TC texture whereas the device does not have support for it\n"); |
| |
| return DD_OK; |
| } |
| |
| /* First, do some sanity checks ... */ |
| if ((surf_ptr->surface_desc.u1.lPitch % bpp) != 0) { |
| FIXME("Warning : pitch is not a multiple of BPP - not supported yet !\n"); |
| } else { |
| /* In that case, no need to have any alignement constraints... */ |
| if (current_alignement_constraints != 1) { |
| glPixelStorei(GL_UNPACK_ALIGNMENT, 1); |
| current_alignement_constraints = 1; |
| } |
| } |
| |
| /* Note: we only check width here as you cannot have width non-zero while height is set to zero */ |
| if (tex_width == 0) { |
| sub_texture = FALSE; |
| |
| tex_width = surf_ptr->surface_desc.dwWidth; |
| tex_height = surf_ptr->surface_desc.dwHeight; |
| } |
| |
| current_tex_width = tex_width; |
| current_tex_height = tex_height; |
| |
| if (src_pf->dwFlags & DDPF_PALETTEINDEXED8) { |
| /* **************** |
| Paletted Texture |
| **************** */ |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_BYTE; |
| convert_type = CONVERT_PALETTED; |
| } else if (src_pf->dwFlags & DDPF_RGB) { |
| /* ************ |
| RGB Textures |
| ************ */ |
| if (src_pf->u1.dwRGBBitCount == 8) { |
| if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) && |
| (src_pf->u5.dwRGBAlphaBitMask != 0x00)) { |
| error = TRUE; |
| } else { |
| if ((src_pf->u2.dwRBitMask == 0xE0) && |
| (src_pf->u3.dwGBitMask == 0x1C) && |
| (src_pf->u4.dwBBitMask == 0x03)) { |
| /* ********************** |
| GL_UNSIGNED_BYTE_3_3_2 |
| ********************** */ |
| if (colorkey_active) { |
| /* This texture format will never be used.. So do not care about color keying |
| up until the point in time it will be needed :-) */ |
| FIXME(" ColorKeying not supported in the RGB 332 format !\n"); |
| } |
| current_format = GL_RGB; |
| internal_format = GL_RGB; |
| current_pixel_format = GL_UNSIGNED_BYTE_3_3_2; |
| convert_type = NO_CONVERSION; |
| } else { |
| error = TRUE; |
| } |
| } |
| } else if (src_pf->u1.dwRGBBitCount == 16) { |
| if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) && |
| (src_pf->u5.dwRGBAlphaBitMask != 0x0000)) { |
| if ((src_pf->u2.dwRBitMask == 0xF800) && |
| (src_pf->u3.dwGBitMask == 0x07C0) && |
| (src_pf->u4.dwBBitMask == 0x003E) && |
| (src_pf->u5.dwRGBAlphaBitMask == 0x0001)) { |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1; |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_5551; |
| } else { |
| convert_type = NO_CONVERSION; |
| } |
| } else if ((src_pf->u2.dwRBitMask == 0xF000) && |
| (src_pf->u3.dwGBitMask == 0x0F00) && |
| (src_pf->u4.dwBBitMask == 0x00F0) && |
| (src_pf->u5.dwRGBAlphaBitMask == 0x000F)) { |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_4_4_4_4; |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_4444; |
| } else { |
| convert_type = NO_CONVERSION; |
| } |
| } else if ((src_pf->u2.dwRBitMask == 0x0F00) && |
| (src_pf->u3.dwGBitMask == 0x00F0) && |
| (src_pf->u4.dwBBitMask == 0x000F) && |
| (src_pf->u5.dwRGBAlphaBitMask == 0xF000)) { |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_4444_ARGB; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_4_4_4_4; |
| } else { |
| convert_type = NO_CONVERSION; |
| current_format = GL_BGRA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_4_4_4_4_REV; |
| } |
| } else if ((src_pf->u2.dwRBitMask == 0x7C00) && |
| (src_pf->u3.dwGBitMask == 0x03E0) && |
| (src_pf->u4.dwBBitMask == 0x001F) && |
| (src_pf->u5.dwRGBAlphaBitMask == 0x8000)) { |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_1555; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1; |
| } else { |
| convert_type = NO_CONVERSION; |
| current_format = GL_BGRA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_1_5_5_5_REV; |
| } |
| } else { |
| error = TRUE; |
| } |
| } else { |
| if ((src_pf->u2.dwRBitMask == 0xF800) && |
| (src_pf->u3.dwGBitMask == 0x07E0) && |
| (src_pf->u4.dwBBitMask == 0x001F)) { |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_565; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1; |
| } else { |
| convert_type = NO_CONVERSION; |
| current_format = GL_RGB; |
| internal_format = GL_RGB; |
| current_pixel_format = GL_UNSIGNED_SHORT_5_6_5; |
| } |
| } else if ((src_pf->u2.dwRBitMask == 0x7C00) && |
| (src_pf->u3.dwGBitMask == 0x03E0) && |
| (src_pf->u4.dwBBitMask == 0x001F)) { |
| convert_type = CONVERT_555; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_SHORT_5_5_5_1; |
| } else { |
| error = TRUE; |
| } |
| } |
| } else if (src_pf->u1.dwRGBBitCount == 24) { |
| if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) && |
| (src_pf->u5.dwRGBAlphaBitMask != 0x000000)) { |
| error = TRUE; |
| } else { |
| if ((src_pf->u2.dwRBitMask == 0xFF0000) && |
| (src_pf->u3.dwGBitMask == 0x00FF00) && |
| (src_pf->u4.dwBBitMask == 0x0000FF)) { |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_RGB24; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_INT_8_8_8_8; |
| } else { |
| convert_type = NO_CONVERSION; |
| current_format = GL_BGR; |
| internal_format = GL_RGB; |
| current_pixel_format = GL_UNSIGNED_BYTE; |
| } |
| } else { |
| error = TRUE; |
| } |
| } |
| } else if (src_pf->u1.dwRGBBitCount == 32) { |
| if ((src_pf->dwFlags & DDPF_ALPHAPIXELS) && |
| (src_pf->u5.dwRGBAlphaBitMask != 0x00000000)) { |
| if ((src_pf->u2.dwRBitMask == 0xFF000000) && |
| (src_pf->u3.dwGBitMask == 0x00FF0000) && |
| (src_pf->u4.dwBBitMask == 0x0000FF00) && |
| (src_pf->u5.dwRGBAlphaBitMask == 0x000000FF)) { |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_8888; |
| } else { |
| convert_type = NO_CONVERSION; |
| } |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_INT_8_8_8_8; |
| } else if ((src_pf->u2.dwRBitMask == 0x00FF0000) && |
| (src_pf->u3.dwGBitMask == 0x0000FF00) && |
| (src_pf->u4.dwBBitMask == 0x000000FF) && |
| (src_pf->u5.dwRGBAlphaBitMask == 0xFF000000)) { |
| if (colorkey_active) { |
| convert_type = CONVERT_CK_8888_ARGB; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_INT_8_8_8_8; |
| } else { |
| convert_type = NO_CONVERSION; |
| current_format = GL_BGRA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_INT_8_8_8_8_REV; |
| } |
| } else { |
| error = TRUE; |
| } |
| } else { |
| if ((src_pf->u2.dwRBitMask == 0x00FF0000) && |
| (src_pf->u3.dwGBitMask == 0x0000FF00) && |
| (src_pf->u4.dwBBitMask == 0x000000FF)) { |
| if (need_alpha_ck) { |
| convert_type = CONVERT_RGB32_888; |
| current_format = GL_RGBA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_INT_8_8_8_8; |
| } else { |
| convert_type = NO_CONVERSION; |
| current_format = GL_BGRA; |
| internal_format = GL_RGBA; |
| current_pixel_format = GL_UNSIGNED_INT_8_8_8_8_REV; |
| } |
| } else { |
| error = TRUE; |
| } |
| } |
| } else { |
| error = TRUE; |
| } |
| } else { |
| error = TRUE; |
| } |
| |
| if (error) { |
| ERR("Unsupported pixel format for textures :\n"); |
| if (ERR_ON(ddraw)) { |
| DDRAW_dump_pixelformat(src_pf); |
| } |
| return DDERR_INVALIDPIXELFORMAT; |
| } else { |
| if ((need_to_alloc) || |
| (internal_format != *current_internal_format)) { |
| glTexImage2D(GL_TEXTURE_2D, level, internal_format, |
| tex_width, tex_height, 0, |
| current_format, current_pixel_format, NULL); |
| *current_internal_format = internal_format; |
| } |
| } |
| |
| if (sub_texture && (convert_type == NO_CONVERSION)) { |
| current_storage_width = surf_ptr->surface_desc.u1.lPitch / bpp; |
| } else { |
| if (surf_ptr->surface_desc.u1.lPitch == (surf_ptr->surface_desc.dwWidth * bpp)) { |
| current_storage_width = 0; |
| } else { |
| current_storage_width = surf_ptr->surface_desc.u1.lPitch / bpp; |
| } |
| } |
| glPixelStorei(GL_UNPACK_ROW_LENGTH, current_storage_width); |
| |
| TRACE(" initialized texture upload for level %d with conversion %d.\n", current_level, convert_type); |
| |
| return DD_OK; |
| } |
| |
| HRESULT upload_surface_to_tex_memory(RECT *rect, DWORD xoffset, DWORD yoffset, void **temp_buffer) |
| { |
| const DDSURFACEDESC * const src_d = (DDSURFACEDESC *)&(current_surface->surface_desc); |
| void *surf_buffer = NULL; |
| RECT lrect; |
| DWORD width, height; |
| BYTE bpp = GET_BPP(current_surface->surface_desc); |
| int line_increase; |
| |
| if (rect == NULL) { |
| lrect.top = 0; |
| lrect.left = 0; |
| lrect.bottom = current_tex_height; |
| lrect.right = current_tex_width; |
| rect = &lrect; |
| } |
| |
| width = rect->right - rect->left; |
| height = rect->bottom - rect->top; |
| |
| if (current_surface->surface_desc.u4.ddpfPixelFormat.dwFlags & DDPF_FOURCC) { |
| GLint retVal; |
| int size = current_surface->surface_desc.u1.dwLinearSize; |
| int width_ = current_surface->surface_desc.dwWidth; |
| int height_ = current_surface->surface_desc.dwHeight; |
| LPVOID buffer = current_surface->surface_desc.lpSurface; |
| |
| switch (current_surface->surface_desc.u4.ddpfPixelFormat.dwFourCC) { |
| case MAKE_FOURCC('D','X','T','1'): retVal = GL_COMPRESSED_RGBA_S3TC_DXT1_EXT; break; |
| case MAKE_FOURCC('D','X','T','3'): retVal = GL_COMPRESSED_RGBA_S3TC_DXT3_EXT; break; |
| case MAKE_FOURCC('D','X','T','5'): retVal = GL_COMPRESSED_RGBA_S3TC_DXT5_EXT; break; |
| default: |
| FIXME("Not supported\n"); |
| return DD_OK; |
| } |
| |
| if (GL_extensions.s3tc_compressed_texture) { |
| /* GL_extensions.glCompressedTexSubImage2D(GL_TEXTURE_2D, current_level, xoffset, yoffset, width, height, retVal, (unsigned char*)temp_buffer); */ |
| GL_extensions.glCompressedTexImage2D(GL_TEXTURE_2D, current_level, retVal, width_, height_, 0, size, buffer); |
| } else |
| ERR("Trying to upload S3TC texture whereas the device does not have support for it\n"); |
| |
| return DD_OK; |
| } |
| |
| /* Used when converting stuff */ |
| line_increase = src_d->u1.lPitch - (width * bpp); |
| |
| switch (convert_type) { |
| case CONVERT_PALETTED: { |
| IDirectDrawPaletteImpl* pal = current_surface->palette; |
| BYTE table[256][4]; |
| unsigned int i; |
| unsigned int x, y; |
| BYTE *src = (BYTE *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (pal == NULL) { |
| /* Upload a black texture. The real one will be uploaded on palette change */ |
| WARN("Palettized texture Loading with a NULL palette !\n"); |
| memset(table, 0, 256 * 4); |
| } else { |
| /* Get the surface's palette */ |
| for (i = 0; i < 256; i++) { |
| table[i][0] = pal->palents[i].peRed; |
| table[i][1] = pal->palents[i].peGreen; |
| table[i][2] = pal->palents[i].peBlue; |
| if ((src_d->dwFlags & DDSD_CKSRCBLT) && |
| (i >= src_d->ddckCKSrcBlt.dwColorSpaceLowValue) && |
| (i <= src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| /* We should maybe here put a more 'neutral' color than the standard bright purple |
| one often used by application to prevent the nice purple borders when bi-linear |
| filtering is on */ |
| table[i][3] = 0x00; |
| else |
| table[i][3] = 0xFF; |
| } |
| } |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(DWORD)); |
| dst = (BYTE *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| BYTE color = *src++; |
| *dst++ = table[color][0]; |
| *dst++ = table[color][1]; |
| *dst++ = table[color][2]; |
| *dst++ = table[color][3]; |
| } |
| src += line_increase; |
| } |
| } break; |
| |
| case CONVERT_CK_565: { |
| /* Converting the 565 format in 5551 packed to emulate color-keying. |
| |
| Note : in all these conversion, it would be best to average the averaging |
| pixels to get the color of the pixel that will be color-keyed to |
| prevent 'color bleeding'. This will be done later on if ever it is |
| too visible. |
| |
| Note2: when using color-keying + alpha, are the alpha bits part of the |
| color-space or not ? |
| */ |
| unsigned int x, y; |
| WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(WORD)); |
| dst = (WORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst = ((color & 0xFFC0) | ((color & 0x1F) << 1)); |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= 0x0001; |
| dst++; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_CK_5551: { |
| /* Change the alpha value of the color-keyed pixels to emulate color-keying. */ |
| unsigned int x, y; |
| WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(WORD)); |
| dst = (WORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst = color & 0xFFFE; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= color & 0x0001; |
| dst++; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_CK_4444: { |
| /* Change the alpha value of the color-keyed pixels to emulate color-keying. */ |
| unsigned int x, y; |
| WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(WORD)); |
| dst = (WORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst = color & 0xFFF0; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= color & 0x000F; |
| dst++; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_CK_4444_ARGB: { |
| /* Move the four Alpha bits... */ |
| unsigned int x, y; |
| WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(WORD)); |
| dst = (WORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst = (color & 0x0FFF) << 4; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= (color & 0xF000) >> 12; |
| dst++; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_CK_1555: { |
| unsigned int x, y; |
| WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(WORD)); |
| dst = (WORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst = (color & 0x7FFF) << 1; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= (color & 0x8000) >> 15; |
| dst++; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_555: { |
| /* Converting the 0555 format in 5551 packed */ |
| unsigned int x, y; |
| WORD *src = (WORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(WORD)); |
| dst = (WORD *) *temp_buffer; |
| |
| if (src_d->dwFlags & DDSD_CKSRCBLT) { |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst = (color & 0x7FFF) << 1; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= 0x0001; |
| dst++; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } else { |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| WORD color = *src++; |
| *dst++ = ((color & 0x7FFF) << 1) | 0x0001; |
| } |
| src = (WORD *) (((BYTE *) src) + line_increase); |
| } |
| } |
| |
| } break; |
| |
| case CONVERT_CK_RGB24: { |
| /* This is a pain :-) */ |
| unsigned int x, y; |
| BYTE *src = (BYTE *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)); |
| DWORD *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(DWORD)); |
| dst = (DWORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| DWORD color = *((DWORD *) src) & 0x00FFFFFF; |
| src += 3; |
| *dst = color << 8; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= 0xFF; |
| dst++; |
| } |
| src += line_increase; |
| } |
| } break; |
| |
| case CONVERT_CK_8888: { |
| /* Just use the alpha component to handle color-keying... */ |
| unsigned int x, y; |
| DWORD *src = (DWORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(DWORD)); |
| dst = (DWORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| DWORD color = *src++; |
| *dst = color & 0xFFFFFF00; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= color & 0x000000FF; |
| dst++; |
| } |
| src = (DWORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_CK_8888_ARGB: { |
| unsigned int x, y; |
| DWORD *src = (DWORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(DWORD)); |
| dst = (DWORD *) *temp_buffer; |
| |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| DWORD color = *src++; |
| *dst = (color & 0x00FFFFFF) << 8; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= (color & 0xFF000000) >> 24; |
| dst++; |
| } |
| src = (DWORD *) (((BYTE *) src) + line_increase); |
| } |
| } break; |
| |
| case CONVERT_RGB32_888: { |
| /* Just add an alpha component and handle color-keying... */ |
| unsigned int x, y; |
| DWORD *src = (DWORD *) (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)), *dst; |
| |
| if (*temp_buffer == NULL) |
| *temp_buffer = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, |
| current_tex_width * current_tex_height * sizeof(DWORD)); |
| dst = (DWORD *) *temp_buffer; |
| |
| if (src_d->dwFlags & DDSD_CKSRCBLT) { |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| DWORD color = *src++; |
| *dst = color << 8; |
| if ((color < src_d->ddckCKSrcBlt.dwColorSpaceLowValue) || |
| (color > src_d->ddckCKSrcBlt.dwColorSpaceHighValue)) |
| *dst |= 0xFF; |
| dst++; |
| } |
| src = (DWORD *) (((BYTE *) src) + line_increase); |
| } |
| } else { |
| for (y = 0; y < height; y++) { |
| for (x = 0; x < width; x++) { |
| *dst++ = (*src++ << 8) | 0xFF; |
| } |
| src = (DWORD *) (((BYTE *) src) + line_increase); |
| } |
| } |
| } break; |
| |
| case NO_CONVERSION: |
| /* Nothing to do here as the name suggests... Just set-up the buffer correctly */ |
| surf_buffer = (((BYTE *) src_d->lpSurface) + (bpp * rect->left) + (src_d->u1.lPitch * rect->top)); |
| break; |
| } |
| |
| if (convert_type != NO_CONVERSION) { |
| /* When doing conversion, the storage is always of width 'width' as there will never |
| be any Pitch issue... For now :-) |
| */ |
| surf_buffer = *temp_buffer; |
| if (width != current_storage_width) { |
| glPixelStorei(GL_UNPACK_ROW_LENGTH, width); |
| current_storage_width = width; |
| } |
| } |
| |
| glTexSubImage2D(GL_TEXTURE_2D, |
| current_level, |
| xoffset, yoffset, |
| width, height, |
| current_format, |
| current_pixel_format, |
| surf_buffer); |
| |
| return DD_OK; |
| } |
| |
| HRESULT upload_surface_to_tex_memory_release(void) |
| { |
| current_surface = NULL; |
| |
| return DD_OK; |
| } |
