#include "quakedef.h"
#include "image.h"
+#include "jpeg.h"
+#include "cl_collision.h"
-cvar_t gl_mesh_maxverts = {0, "gl_mesh_maxverts", "1024"};
-cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "1"};
cvar_t gl_mesh_drawrangeelements = {0, "gl_mesh_drawrangeelements", "1"};
-cvar_t gl_delayfinish = {CVAR_SAVE, "gl_delayfinish", "0"};
+cvar_t gl_mesh_testarrayelement = {0, "gl_mesh_testarrayelement", "0"};
+cvar_t gl_mesh_testmanualfeeding = {0, "gl_mesh_testmanualfeeding", "0"};
+cvar_t gl_paranoid = {0, "gl_paranoid", "0"};
+cvar_t gl_printcheckerror = {0, "gl_printcheckerror", "0"};
+cvar_t r_stereo_separation = {0, "r_stereo_separation", "4"};
+cvar_t r_stereo_sidebyside = {0, "r_stereo_sidebyside", "0"};
+cvar_t r_stereo_redblue = {0, "r_stereo_redblue", "0"};
+cvar_t r_stereo_redcyan = {0, "r_stereo_redcyan", "0"};
+cvar_t r_stereo_redgreen = {0, "r_stereo_redgreen", "0"};
cvar_t r_render = {0, "r_render", "1"};
+cvar_t r_waterwarp = {CVAR_SAVE, "r_waterwarp", "1"};
+cvar_t gl_polyblend = {CVAR_SAVE, "gl_polyblend", "1"};
cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering
cvar_t gl_lockarrays = {0, "gl_lockarrays", "1"};
void SCR_ScreenShot_f (void);
-// these are externally accessible
-int r_lightmapscalebit;
-float r_colorscale;
-float *varray_vertex;
-float *varray_color;
-float *varray_texcoord[MAX_TEXTUREUNITS];
-int mesh_maxverts;
-
static matrix4x4_t backend_viewmatrix;
static matrix4x4_t backend_modelmatrix;
static matrix4x4_t backend_modelviewmatrix;
static matrix4x4_t backend_projectmatrix;
static int backendunits, backendactive;
-static qbyte *varray_bcolor;
static mempool_t *gl_backend_mempool;
/*
|\ |\ |\ |\ |
| \| \| \| \|
A--B--C--D--E
+clockwise
A0B, 01B, B1C, 12C, C2D, 23D, D3E, 34E
*elements++ = i;
*elements++ = i + 1;
*elements++ = i + row + 1;
-*/
-int polygonelements[768];
-void GL_Backend_AllocArrays(void)
+for (y = 0;y < rows - 1;y++)
{
- int i;
+ for (x = 0;x < columns - 1;x++)
+ {
+ i = y * rows + x;
+ *elements++ = i + columns;
+ *elements++ = i;
+ *elements++ = i + columns + 1;
+ *elements++ = i;
+ *elements++ = i + 1;
+ *elements++ = i + columns + 1;
+ }
+}
- for (i = 0;i < POLYGONELEMENTS_MAXPOINTS - 2;i++)
+alternative:
+0--1--2--3--4
+| /| /|\ | /|
+|/ |/ | \|/ |
+A--B--C--D--E
+counterclockwise
+
+for (y = 0;y < rows - 1;y++)
+{
+ for (x = 0;x < columns - 1;x++)
{
- polygonelements[i * 3 + 0] = 0;
- polygonelements[i * 3 + 1] = i + 1;
- polygonelements[i * 3 + 2] = i + 2;
+ i = y * rows + x;
+ *elements++ = i;
+ *elements++ = i + columns;
+ *elements++ = i + columns + 1;
+ *elements++ = i + columns;
+ *elements++ = i + columns + 1;
+ *elements++ = i + 1;
}
+}
+*/
- if (!gl_backend_mempool)
- gl_backend_mempool = Mem_AllocPool("GL_Backend");
+int polygonelements[768];
- varray_vertex = Mem_Alloc(gl_backend_mempool, mesh_maxverts * sizeof(float[4]));
- varray_color = Mem_Alloc(gl_backend_mempool, mesh_maxverts * sizeof(float[4]));
- varray_bcolor = Mem_Alloc(gl_backend_mempool, mesh_maxverts * sizeof(qbyte[4]));
- for (i = 0;i < backendunits;i++)
- varray_texcoord[i] = Mem_Alloc(gl_backend_mempool, mesh_maxverts * sizeof(float[4]));
- for (;i < MAX_TEXTUREUNITS;i++)
- varray_texcoord[i] = NULL;
+static void R_Mesh_CacheArray_Startup(void);
+static void R_Mesh_CacheArray_Shutdown(void);
+void GL_Backend_AllocArrays(void)
+{
+ if (!gl_backend_mempool)
+ gl_backend_mempool = Mem_AllocPool("GL_Backend", 0, NULL);
+ R_Mesh_CacheArray_Startup();
}
-void GL_Backend_FreeArrays(int resizingbuffers)
+void GL_Backend_FreeArrays(void)
{
- int i;
- if (resizingbuffers)
- Mem_EmptyPool(gl_backend_mempool);
- else
- Mem_FreePool(&gl_backend_mempool);
- varray_vertex = NULL;
- varray_color = NULL;
- varray_bcolor = NULL;
- for (i = 0;i < MAX_TEXTUREUNITS;i++)
- varray_texcoord[i] = NULL;
+ R_Mesh_CacheArray_Shutdown();
+ Mem_FreePool(&gl_backend_mempool);
}
static void gl_backend_start(void)
{
- Con_Printf("OpenGL Backend started with gl_mesh_maxverts %i\n", gl_mesh_maxverts.integer);
+ Con_DPrint("OpenGL Backend started\n");
if (qglDrawRangeElements != NULL)
{
+ CHECKGLERROR
qglGetIntegerv(GL_MAX_ELEMENTS_VERTICES, &gl_maxdrawrangeelementsvertices);
+ CHECKGLERROR
qglGetIntegerv(GL_MAX_ELEMENTS_INDICES, &gl_maxdrawrangeelementsindices);
CHECKGLERROR
- Con_Printf("glDrawRangeElements detected (max vertices %i, max indices %i)\n", gl_maxdrawrangeelementsvertices, gl_maxdrawrangeelementsindices);
- }
- if (strstr(gl_renderer, "3Dfx"))
- {
- Con_Printf("3Dfx driver detected, forcing gl_mesh_floatcolors to 0 to prevent crashs\n");
- Cvar_SetValueQuick(&gl_mesh_floatcolors, 0);
+ Con_DPrintf("glDrawRangeElements detected (max vertices %i, max indices %i)\n", gl_maxdrawrangeelementsvertices, gl_maxdrawrangeelementsindices);
}
backendunits = min(MAX_TEXTUREUNITS, gl_textureunits);
backendunits = 0;
backendactive = false;
- Con_Printf("OpenGL Backend shutting down\n");
-
- GL_Backend_FreeArrays(false);
-}
-
-void GL_Backend_CheckCvars(void)
-{
- // 21760 is (65536 / 3) rounded off to a multiple of 128
- if (gl_mesh_maxverts.integer < 1024)
- Cvar_SetValueQuick(&gl_mesh_maxverts, 1024);
- if (gl_mesh_maxverts.integer > 21760)
- Cvar_SetValueQuick(&gl_mesh_maxverts, 21760);
-}
+ Con_DPrint("OpenGL Backend shutting down\n");
-void GL_Backend_ResizeArrays(int numtriangles)
-{
- Cvar_SetValueQuick(&gl_mesh_maxverts, numtriangles);
- GL_Backend_CheckCvars();
- mesh_maxverts = gl_mesh_maxverts.integer;
- GL_Backend_FreeArrays(true);
- GL_Backend_AllocArrays();
+ GL_Backend_FreeArrays();
}
static void gl_backend_newmap(void)
{
}
+cvar_t scr_zoomwindow = {CVAR_SAVE, "scr_zoomwindow", "0"};
+cvar_t scr_zoomwindow_viewsizex = {CVAR_SAVE, "scr_zoomwindow_viewsizex", "20"};
+cvar_t scr_zoomwindow_viewsizey = {CVAR_SAVE, "scr_zoomwindow_viewsizey", "20"};
+cvar_t scr_zoomwindow_fov = {CVAR_SAVE, "scr_zoomwindow_fov", "20"};
+
void gl_backend_init(void)
{
+ int i;
+
+ for (i = 0;i < POLYGONELEMENTS_MAXPOINTS - 2;i++)
+ {
+ polygonelements[i * 3 + 0] = 0;
+ polygonelements[i * 3 + 1] = i + 1;
+ polygonelements[i * 3 + 2] = i + 2;
+ }
+
Cvar_RegisterVariable(&r_render);
+ Cvar_RegisterVariable(&r_waterwarp);
+ Cvar_RegisterVariable(&r_stereo_separation);
+ Cvar_RegisterVariable(&r_stereo_sidebyside);
+ Cvar_RegisterVariable(&r_stereo_redblue);
+ Cvar_RegisterVariable(&r_stereo_redcyan);
+ Cvar_RegisterVariable(&r_stereo_redgreen);
+ Cvar_RegisterVariable(&gl_polyblend);
Cvar_RegisterVariable(&gl_dither);
Cvar_RegisterVariable(&gl_lockarrays);
- Cvar_RegisterVariable(&gl_delayfinish);
+ Cvar_RegisterVariable(&gl_paranoid);
+ Cvar_RegisterVariable(&gl_printcheckerror);
#ifdef NORENDER
Cvar_SetValue("r_render", 0);
#endif
- Cvar_RegisterVariable(&gl_mesh_maxverts);
- Cvar_RegisterVariable(&gl_mesh_floatcolors);
Cvar_RegisterVariable(&gl_mesh_drawrangeelements);
- GL_Backend_CheckCvars();
- R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap);
-}
+ Cvar_RegisterVariable(&gl_mesh_testarrayelement);
+ Cvar_RegisterVariable(&gl_mesh_testmanualfeeding);
-void GL_SetupView_ViewPort (int x, int y, int width, int height)
-{
- if (!r_render.integer)
- return;
+ Cvar_RegisterVariable(&scr_zoomwindow);
+ Cvar_RegisterVariable(&scr_zoomwindow_viewsizex);
+ Cvar_RegisterVariable(&scr_zoomwindow_viewsizey);
+ Cvar_RegisterVariable(&scr_zoomwindow_fov);
- // y is weird beause OpenGL is bottom to top, we use top to bottom
- qglViewport(x, vid.realheight - (y + height), width, height);
- CHECKGLERROR
+ R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap);
}
void GL_SetupView_Orientation_Identity (void)
memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix));
}
-void GL_SetupView_Orientation_FromEntity (vec3_t origin, vec3_t angles)
+void GL_SetupView_Orientation_FromEntity(matrix4x4_t *matrix)
{
- Matrix4x4_CreateRotate(&backend_viewmatrix, -90, 1, 0, 0);
- Matrix4x4_ConcatRotate(&backend_viewmatrix, 90, 0, 0, 1);
- Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[2], 1, 0, 0);
- Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[0], 0, 1, 0);
- Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[1], 0, 0, 1);
- Matrix4x4_ConcatTranslate(&backend_viewmatrix, -origin[0], -origin[1], -origin[2]);
+ matrix4x4_t tempmatrix, basematrix;
+ Matrix4x4_Invert_Simple(&tempmatrix, matrix);
+ Matrix4x4_CreateRotate(&basematrix, -90, 1, 0, 0);
+ Matrix4x4_ConcatRotate(&basematrix, 90, 0, 0, 1);
+ Matrix4x4_Concat(&backend_viewmatrix, &basematrix, &tempmatrix);
+ //Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[2], 1, 0, 0);
+ //Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[0], 0, 1, 0);
+ //Matrix4x4_ConcatRotate(&backend_viewmatrix, -angles[1], 0, 0, 1);
+ //Matrix4x4_ConcatTranslate(&backend_viewmatrix, -origin[0], -origin[1], -origin[2]);
memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix));
}
void GL_SetupView_Mode_Perspective (double fovx, double fovy, double zNear, double zFar)
{
double xmax, ymax;
+ double m[16];
if (!r_render.integer)
return;
ymax = zNear * tan(fovy * M_PI / 360.0);
// set view pyramid
qglFrustum(-xmax, xmax, -ymax, ymax, zNear, zFar);CHECKGLERROR
+ qglGetDoublev(GL_PROJECTION_MATRIX, m);
+ backend_projectmatrix.m[0][0] = m[0];
+ backend_projectmatrix.m[1][0] = m[1];
+ backend_projectmatrix.m[2][0] = m[2];
+ backend_projectmatrix.m[3][0] = m[3];
+ backend_projectmatrix.m[0][1] = m[4];
+ backend_projectmatrix.m[1][1] = m[5];
+ backend_projectmatrix.m[2][1] = m[6];
+ backend_projectmatrix.m[3][1] = m[7];
+ backend_projectmatrix.m[0][2] = m[8];
+ backend_projectmatrix.m[1][2] = m[9];
+ backend_projectmatrix.m[2][2] = m[10];
+ backend_projectmatrix.m[3][2] = m[11];
+ backend_projectmatrix.m[0][3] = m[12];
+ backend_projectmatrix.m[1][3] = m[13];
+ backend_projectmatrix.m[2][3] = m[14];
+ backend_projectmatrix.m[3][3] = m[15];
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
}
void GL_SetupView_Mode_PerspectiveInfiniteFarClip (double fovx, double fovy, double zNear)
{
- float nudge, m[16];
+ double nudge, m[16];
if (!r_render.integer)
return;
m[ 7] = 0;
m[ 8] = 0;
m[ 9] = 0;
- m[10] = -1 * nudge;
- m[11] = -1 * nudge;
+ m[10] = -nudge;
+ m[11] = -1;
m[12] = 0;
m[13] = 0;
m[14] = -2 * zNear * nudge;
m[15] = 0;
- qglLoadMatrixf(m);
+ qglLoadMatrixd(m);
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
backend_projectmatrix.m[0][0] = m[0];
void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar)
{
+ double m[16];
+
if (!r_render.integer)
return;
qglMatrixMode(GL_PROJECTION);CHECKGLERROR
qglLoadIdentity();CHECKGLERROR
qglOrtho(x1, x2, y2, y1, zNear, zFar);
+ qglGetDoublev(GL_PROJECTION_MATRIX, m);
+ backend_projectmatrix.m[0][0] = m[0];
+ backend_projectmatrix.m[1][0] = m[1];
+ backend_projectmatrix.m[2][0] = m[2];
+ backend_projectmatrix.m[3][0] = m[3];
+ backend_projectmatrix.m[0][1] = m[4];
+ backend_projectmatrix.m[1][1] = m[5];
+ backend_projectmatrix.m[2][1] = m[6];
+ backend_projectmatrix.m[3][1] = m[7];
+ backend_projectmatrix.m[0][2] = m[8];
+ backend_projectmatrix.m[1][2] = m[9];
+ backend_projectmatrix.m[2][2] = m[10];
+ backend_projectmatrix.m[3][2] = m[11];
+ backend_projectmatrix.m[0][3] = m[12];
+ backend_projectmatrix.m[1][3] = m[13];
+ backend_projectmatrix.m[2][3] = m[14];
+ backend_projectmatrix.m[3][3] = m[15];
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
}
{
int t1d, t2d, t3d, tcubemap;
int arrayenabled;
+ int arrayis3d;
+ const void *pointer_texcoord;
float rgbscale, alphascale;
int combinergb, combinealpha;
// FIXME: add more combine stuff
+ // texmatrixenabled exists only to avoid unnecessary texmatrix compares
+ int texmatrixenabled;
+ matrix4x4_t matrix;
}
gltextureunit_t;
int blendfunc2;
int blend;
GLboolean depthmask;
- int depthdisable;
+ int colormask; // stored as bottom 4 bits: r g b a (3 2 1 0 order)
+ int depthtest;
+ int scissortest;
int unit;
int clientunit;
gltextureunit_t units[MAX_TEXTUREUNITS];
- int colorarray;
+ float color4f[4];
+ int lockrange_first;
+ int lockrange_count;
+ const void *pointer_vertex;
+ const void *pointer_color;
}
gl_state;
{
int i;
gltextureunit_t *unit;
+ CHECKGLERROR
+ gl_state.unit = -1;
+ gl_state.clientunit = -1;
for (i = 0;i < backendunits;i++)
{
- if (qglActiveTexture)
- qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
- if (qglClientActiveTexture)
- qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ GL_ActiveTexture(i);
+ GL_ClientActiveTexture(i);
unit = gl_state.units + i;
unit->t1d = 0;
unit->t2d = 0;
unit->t3d = 0;
unit->tcubemap = 0;
+ unit->arrayenabled = false;
+ unit->arrayis3d = false;
+ unit->pointer_texcoord = NULL;
unit->rgbscale = 1;
unit->alphascale = 1;
unit->combinergb = GL_MODULATE;
unit->combinealpha = GL_MODULATE;
- unit->arrayenabled = false;
+ unit->texmatrixenabled = false;
+ unit->matrix = r_identitymatrix;
+ qglMatrixMode(GL_TEXTURE);
+ qglLoadIdentity();
+ qglMatrixMode(GL_MODELVIEW);
+
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), NULL);CHECKGLERROR
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
- if (gl_texture3d || gl_texturecubemap)
- {
- qglTexCoordPointer(3, GL_FLOAT, sizeof(float[4]), varray_texcoord[i]);CHECKGLERROR
- }
- else
- {
- qglTexCoordPointer(2, GL_FLOAT, sizeof(float[4]), varray_texcoord[i]);CHECKGLERROR
- }
+
qglDisable(GL_TEXTURE_1D);CHECKGLERROR
qglDisable(GL_TEXTURE_2D);CHECKGLERROR
if (gl_texture3d)
qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, GL_MODULATE);CHECKGLERROR
qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE0_RGB_ARB, GL_TEXTURE);CHECKGLERROR
qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE1_RGB_ARB, GL_PREVIOUS_ARB);CHECKGLERROR
- qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_CONSTANT_ARB);CHECKGLERROR
+ qglTexEnvi(GL_TEXTURE_ENV, GL_SOURCE2_RGB_ARB, GL_TEXTURE);CHECKGLERROR // for GL_INTERPOLATE_ARB mode
qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND0_RGB_ARB, GL_SRC_COLOR);CHECKGLERROR
qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND1_RGB_ARB, GL_SRC_COLOR);CHECKGLERROR
qglTexEnvi(GL_TEXTURE_ENV, GL_OPERAND2_RGB_ARB, GL_SRC_ALPHA);CHECKGLERROR
qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);CHECKGLERROR
}
}
+ CHECKGLERROR
}
void GL_Backend_ResetState(void)
{
memset(&gl_state, 0, sizeof(gl_state));
- gl_state.depthdisable = false;
+ gl_state.depthtest = true;
gl_state.blendfunc1 = GL_ONE;
gl_state.blendfunc2 = GL_ZERO;
gl_state.blend = false;
gl_state.depthmask = GL_TRUE;
- gl_state.colorarray = false;
+ gl_state.colormask = 15;
+ gl_state.color4f[0] = gl_state.color4f[1] = gl_state.color4f[2] = gl_state.color4f[3] = 1;
+ gl_state.lockrange_first = 0;
+ gl_state.lockrange_count = 0;
+ gl_state.pointer_vertex = NULL;
+ gl_state.pointer_color = NULL;
- qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
- qglDisableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
+ CHECKGLERROR
+ qglColorMask(1, 1, 1, 1);
qglEnable(GL_CULL_FACE);CHECKGLERROR
qglCullFace(GL_FRONT);CHECKGLERROR
qglEnable(GL_DEPTH_TEST);CHECKGLERROR
qglBlendFunc(gl_state.blendfunc1, gl_state.blendfunc2);CHECKGLERROR
qglDisable(GL_BLEND);CHECKGLERROR
qglDepthMask(gl_state.depthmask);CHECKGLERROR
- qglVertexPointer(3, GL_FLOAT, sizeof(float[4]), varray_vertex);CHECKGLERROR
+
+ qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), NULL);CHECKGLERROR
qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
- if (gl_mesh_floatcolors.integer)
+
+ qglColorPointer(4, GL_FLOAT, sizeof(float[4]), NULL);CHECKGLERROR
+ qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+
+ GL_Color(0, 0, 0, 0);
+ GL_Color(1, 1, 1, 1);
+
+ GL_SetupTextureState();
+}
+
+void GL_ActiveTexture(int num)
+{
+ if (gl_state.unit != num)
{
- qglColorPointer(4, GL_FLOAT, sizeof(float[4]), varray_color);CHECKGLERROR
+ gl_state.unit = num;
+ if (qglActiveTexture)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + gl_state.unit);
+ CHECKGLERROR
+ }
}
- else
+}
+
+void GL_ClientActiveTexture(int num)
+{
+ if (gl_state.clientunit != num)
{
- qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(qbyte[4]), varray_bcolor);CHECKGLERROR
+ gl_state.clientunit = num;
+ if (qglActiveTexture)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + gl_state.clientunit);
+ CHECKGLERROR
+ }
}
- GL_Color(1, 1, 1, 1);
+}
- GL_SetupTextureState();
+void GL_BlendFunc(int blendfunc1, int blendfunc2)
+{
+ if (gl_state.blendfunc1 != blendfunc1 || gl_state.blendfunc2 != blendfunc2)
+ {
+ if (r_showtrispass)
+ return;
+ qglBlendFunc(gl_state.blendfunc1 = blendfunc1, gl_state.blendfunc2 = blendfunc2);CHECKGLERROR
+ if (gl_state.blendfunc2 == GL_ZERO)
+ {
+ if (gl_state.blendfunc1 == GL_ONE)
+ {
+ if (gl_state.blend)
+ {
+ gl_state.blend = 0;
+ qglDisable(GL_BLEND);CHECKGLERROR
+ }
+ }
+ else
+ {
+ if (!gl_state.blend)
+ {
+ gl_state.blend = 1;
+ qglEnable(GL_BLEND);CHECKGLERROR
+ }
+ }
+ }
+ else
+ {
+ if (!gl_state.blend)
+ {
+ gl_state.blend = 1;
+ qglEnable(GL_BLEND);CHECKGLERROR
+ }
+ }
+ }
+}
+
+void GL_DepthMask(int state)
+{
+ if (gl_state.depthmask != state)
+ {
+ if (r_showtrispass)
+ return;
+ qglDepthMask(gl_state.depthmask = state);CHECKGLERROR
+ }
+}
+
+void GL_DepthTest(int state)
+{
+ if (gl_state.depthtest != state)
+ {
+ if (r_showtrispass)
+ return;
+ gl_state.depthtest = state;
+ if (gl_state.depthtest)
+ {
+ qglEnable(GL_DEPTH_TEST);CHECKGLERROR
+ }
+ else
+ {
+ qglDisable(GL_DEPTH_TEST);CHECKGLERROR
+ }
+ }
}
-void GL_UseColorArray(void)
+void GL_ColorMask(int r, int g, int b, int a)
{
- if (!gl_state.colorarray)
+ int state = r*8 + g*4 + b*2 + a*1;
+ if (gl_state.colormask != state)
{
- gl_state.colorarray = true;
- qglEnableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+ if (r_showtrispass)
+ return;
+ gl_state.colormask = state;
+ qglColorMask((GLboolean)r, (GLboolean)g, (GLboolean)b, (GLboolean)a);CHECKGLERROR
}
}
void GL_Color(float cr, float cg, float cb, float ca)
{
- if (gl_state.colorarray)
+ if (gl_state.pointer_color || gl_state.color4f[0] != cr || gl_state.color4f[1] != cg || gl_state.color4f[2] != cb || gl_state.color4f[3] != ca)
{
- gl_state.colorarray = false;
- qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+ if (r_showtrispass)
+ return;
+ gl_state.color4f[0] = cr;
+ gl_state.color4f[1] = cg;
+ gl_state.color4f[2] = cb;
+ gl_state.color4f[3] = ca;
+ CHECKGLERROR
+ qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]);
+ CHECKGLERROR
+ }
+}
+
+void GL_ShowTrisColor(float cr, float cg, float cb, float ca)
+{
+ if (!r_showtrispass)
+ return;
+ r_showtrispass = false;
+ GL_Color(cr * r_showtris.value, cg * r_showtris.value, cb * r_showtris.value, ca);
+ r_showtrispass = true;
+}
+
+
+void GL_LockArrays(int first, int count)
+{
+ if (gl_state.lockrange_count != count || gl_state.lockrange_first != first)
+ {
+ if (gl_state.lockrange_count)
+ {
+ gl_state.lockrange_count = 0;
+ CHECKGLERROR
+ qglUnlockArraysEXT();
+ CHECKGLERROR
+ }
+ if (count && gl_supportslockarrays && gl_lockarrays.integer && r_render.integer)
+ {
+ gl_state.lockrange_first = first;
+ gl_state.lockrange_count = count;
+ CHECKGLERROR
+ qglLockArraysEXT(first, count);
+ CHECKGLERROR
+ }
}
- qglColor4f(cr, cg, cb, ca);
+}
+
+void GL_Scissor (int x, int y, int width, int height)
+{
+ CHECKGLERROR
+ qglScissor(x, vid.realheight - (y + height),width,height);
+ CHECKGLERROR
+}
+
+void GL_ScissorTest(int state)
+{
+ if(gl_state.scissortest == state)
+ return;
+
+ CHECKGLERROR
+ if((gl_state.scissortest = state))
+ qglEnable(GL_SCISSOR_TEST);
+ else
+ qglDisable(GL_SCISSOR_TEST);
+ CHECKGLERROR
+}
+
+void GL_Clear(int mask)
+{
+ if (r_showtrispass)
+ return;
+ qglClear(mask);CHECKGLERROR
}
void GL_TransformToScreen(const vec4_t in, vec4_t out)
Matrix4x4_Transform4 (&backend_viewmatrix, in, temp);
Matrix4x4_Transform4 (&backend_projectmatrix, temp, out);
iw = 1.0f / out[3];
- out[0] = r_refdef.x + (out[0] * iw + 1.0f) * r_refdef.width * 0.5f;
- out[1] = r_refdef.y + (out[1] * iw + 1.0f) * r_refdef.height * 0.5f;
- out[2] = out[2] * iw;
+ out[0] = r_view_x + (out[0] * iw + 1.0f) * r_view_width * 0.5f;
+ out[1] = r_view_y + (out[1] * iw + 1.0f) * r_view_height * 0.5f;
+ out[2] = r_view_z + (out[2] * iw + 1.0f) * r_view_depth * 0.5f;
}
// called at beginning of frame
void R_Mesh_Start(void)
{
BACKENDACTIVECHECK
-
CHECKGLERROR
-
- GL_Backend_CheckCvars();
- if (mesh_maxverts != gl_mesh_maxverts.integer)
- GL_Backend_ResizeArrays(gl_mesh_maxverts.integer);
-
GL_Backend_ResetState();
}
int gl_backend_rebindtextures;
-void GL_ConvertColorsFloatToByte(int numverts)
-{
- int i, k, total;
- // LordHavoc: to avoid problems with aliasing (treating memory as two
- // different types - exactly what this is doing), these must be volatile
- // (or a union)
- volatile int *icolor;
- volatile float *fcolor;
- qbyte *bcolor;
-
- total = numverts * 4;
-
- // shift float to have 8bit fraction at base of number
- fcolor = varray_color;
- for (i = 0;i < total;)
- {
- fcolor[i ] += 32768.0f;
- fcolor[i + 1] += 32768.0f;
- fcolor[i + 2] += 32768.0f;
- fcolor[i + 3] += 32768.0f;
- i += 4;
- }
-
- // then read as integer and kill float bits...
- icolor = (int *)varray_color;
- bcolor = varray_bcolor;
- for (i = 0;i < total;)
- {
- k = icolor[i ] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i ] = (qbyte) k;
- k = icolor[i + 1] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 1] = (qbyte) k;
- k = icolor[i + 2] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 2] = (qbyte) k;
- k = icolor[i + 3] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 3] = (qbyte) k;
- i += 4;
- }
-}
-
-// enlarges geometry buffers if they are too small
-void _R_Mesh_ResizeCheck(int numverts)
+void GL_Backend_RenumberElements(int *out, int count, const int *in, int offset)
{
- if (numverts > mesh_maxverts)
+ int i;
+ if (offset)
{
- BACKENDACTIVECHECK
- GL_Backend_ResizeArrays(numverts + 100);
- GL_Backend_ResetState();
+ for (i = 0;i < count;i++)
+ *out++ = *in++ + offset;
}
+ else
+ memcpy(out, in, sizeof(*out) * count);
}
-// renders the mesh
+// renders triangles using vertices from the active arrays
+int paranoidblah = 0;
void R_Mesh_Draw(int numverts, int numtriangles, const int *elements)
{
- int numelements;
- if (numtriangles == 0 || numverts == 0)
+ int numelements = numtriangles * 3;
+ if (numverts == 0 || numtriangles == 0)
{
Con_Printf("R_Mesh_Draw(%d, %d, %08p);\n", numverts, numtriangles, elements);
return;
}
- numelements = numtriangles * 3;
+ CHECKGLERROR
+ if (r_showtrispass)
+ {
+ R_Mesh_Draw_ShowTris(numverts, numtriangles, elements);
+ return;
+ }
c_meshs++;
c_meshelements += numelements;
- if (gl_state.colorarray && !gl_mesh_floatcolors.integer)
- GL_ConvertColorsFloatToByte(numverts);
- if (!r_render.integer)
- return;
- if (gl_supportslockarrays && gl_lockarrays.integer)
+ if (gl_paranoid.integer)
{
- qglLockArraysEXT(0, numverts);
- CHECKGLERROR
- if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
- qglDrawRangeElements(GL_TRIANGLES, 0, numverts, numelements, GL_UNSIGNED_INT, (const GLuint *) elements);
- else
- qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) elements);
- CHECKGLERROR
- qglUnlockArraysEXT();
+ int i, j, size;
+ const int *p;
+ if (!qglIsEnabled(GL_VERTEX_ARRAY))
+ Con_Print("R_Mesh_Draw: vertex array not enabled\n");
+ for (j = 0, size = numverts * (int)sizeof(float[3]), p = gl_state.pointer_vertex;j < size;j += sizeof(int), p++)
+ paranoidblah += *p;
+ if (gl_state.pointer_color)
+ {
+ if (!qglIsEnabled(GL_COLOR_ARRAY))
+ Con_Print("R_Mesh_Draw: color array set but not enabled\n");
+ for (j = 0, size = numverts * (int)sizeof(float[4]), p = gl_state.pointer_color;j < size;j += sizeof(int), p++)
+ paranoidblah += *p;
+ }
+ for (i = 0;i < backendunits;i++)
+ {
+ if (gl_state.units[i].t1d || gl_state.units[i].t2d || gl_state.units[i].t3d || gl_state.units[i].tcubemap || gl_state.units[i].arrayenabled)
+ {
+ if (gl_state.units[i].arrayenabled && !(gl_state.units[i].t1d || gl_state.units[i].t2d || gl_state.units[i].t3d || gl_state.units[i].tcubemap))
+ Con_Print("R_Mesh_Draw: array enabled but no texture bound\n");
+ GL_ClientActiveTexture(i);
+ if (!qglIsEnabled(GL_TEXTURE_COORD_ARRAY))
+ Con_Print("R_Mesh_Draw: texcoord array set but not enabled\n");
+ for (j = 0, size = numverts * ((gl_state.units[i].t3d || gl_state.units[i].tcubemap) ? (int)sizeof(float[3]) : (int)sizeof(float[2])), p = gl_state.units[i].pointer_texcoord;j < size;j += sizeof(int), p++)
+ paranoidblah += *p;
+ }
+ }
+ for (i = 0;i < numtriangles * 3;i++)
+ {
+ if (elements[i] < 0 || elements[i] >= numverts)
+ {
+ Con_Printf("R_Mesh_Draw: invalid vertex index %i (outside range 0 - %i) in elements list\n", elements[i], numverts);
+ return;
+ }
+ }
CHECKGLERROR
}
- else
+ if (r_render.integer)
{
- qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) elements);
+ CHECKGLERROR
+ if (gl_mesh_testmanualfeeding.integer)
+ {
+ int i, j;
+ const GLfloat *p;
+ qglBegin(GL_TRIANGLES);
+ for (i = 0;i < numtriangles * 3;i++)
+ {
+ for (j = 0;j < backendunits;j++)
+ {
+ if (gl_state.units[j].pointer_texcoord)
+ {
+ if (backendunits > 1)
+ {
+ if (gl_state.units[j].t3d || gl_state.units[j].tcubemap)
+ {
+ p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 3;
+ qglMultiTexCoord3f(GL_TEXTURE0_ARB + j, p[0], p[1], p[2]);
+ }
+ else
+ {
+ p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 2;
+ qglMultiTexCoord2f(GL_TEXTURE0_ARB + j, p[0], p[1]);
+ }
+ }
+ else
+ {
+ if (gl_state.units[j].t3d || gl_state.units[j].tcubemap)
+ {
+ p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 3;
+ qglTexCoord3f(p[0], p[1], p[2]);
+ }
+ else
+ {
+ p = ((const GLfloat *)(gl_state.units[j].pointer_texcoord)) + elements[i] * 2;
+ qglTexCoord2f(p[0], p[1]);
+ }
+ }
+ }
+ }
+ if (gl_state.pointer_color)
+ {
+ p = ((const GLfloat *)(gl_state.pointer_color)) + elements[i] * 4;
+ qglColor4f(p[0], p[1], p[2], p[3]);
+ }
+ p = ((const GLfloat *)(gl_state.pointer_vertex)) + elements[i] * 3;
+ qglVertex3f(p[0], p[1], p[2]);
+ }
+ qglEnd();
+ CHECKGLERROR
+ }
+ else if (gl_mesh_testarrayelement.integer)
+ {
+ int i;
+ qglBegin(GL_TRIANGLES);
+ for (i = 0;i < numtriangles * 3;i++)
+ {
+ qglArrayElement(elements[i]);
+ }
+ qglEnd();
+ CHECKGLERROR
+ }
+ else if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
+ {
+ qglDrawRangeElements(GL_TRIANGLES, 0, numverts, numelements, GL_UNSIGNED_INT, elements);CHECKGLERROR
+ }
+ else
+ {
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, elements);CHECKGLERROR
+ }
CHECKGLERROR
}
}
{
int i;
BACKENDACTIVECHECK
+ CHECKGLERROR
+ GL_LockArrays(0, 0);
+ CHECKGLERROR
for (i = backendunits - 1;i >= 0;i--)
{
}
}
-// sets up the requested state
-void R_Mesh_MainState(const rmeshstate_t *m)
+void R_Mesh_State(const rmeshstate_t *m)
{
+ int i, combinergb, combinealpha, scale;
+ gltextureunit_t *unit;
+ matrix4x4_t tempmatrix;
+
BACKENDACTIVECHECK
- if (gl_state.blendfunc1 != m->blendfunc1 || gl_state.blendfunc2 != m->blendfunc2)
+ if (gl_state.pointer_vertex != m->pointer_vertex)
{
- qglBlendFunc(gl_state.blendfunc1 = m->blendfunc1, gl_state.blendfunc2 = m->blendfunc2);CHECKGLERROR
- if (gl_state.blendfunc2 == GL_ZERO)
+ gl_state.pointer_vertex = m->pointer_vertex;
+ CHECKGLERROR
+ qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), gl_state.pointer_vertex);
+ CHECKGLERROR
+ }
+
+ if (r_showtrispass)
+ return;
+
+ if (gl_state.pointer_color != m->pointer_color)
+ {
+ CHECKGLERROR
+ if (!gl_state.pointer_color)
{
- if (gl_state.blendfunc1 == GL_ONE)
- {
- if (gl_state.blend)
- {
- gl_state.blend = 0;
- qglDisable(GL_BLEND);CHECKGLERROR
- }
- }
- else
- {
- if (!gl_state.blend)
- {
- gl_state.blend = 1;
- qglEnable(GL_BLEND);CHECKGLERROR
- }
- }
+ qglEnableClientState(GL_COLOR_ARRAY);
+ CHECKGLERROR
}
- else
+ else if (!m->pointer_color)
{
- if (!gl_state.blend)
- {
- gl_state.blend = 1;
- qglEnable(GL_BLEND);CHECKGLERROR
- }
+ qglDisableClientState(GL_COLOR_ARRAY);
+ CHECKGLERROR
+ // when color array is on the glColor gets trashed, set it again
+ qglColor4f(gl_state.color4f[0], gl_state.color4f[1], gl_state.color4f[2], gl_state.color4f[3]);
+ CHECKGLERROR
}
+ gl_state.pointer_color = m->pointer_color;
+ qglColorPointer(4, GL_FLOAT, sizeof(float[4]), gl_state.pointer_color);
+ CHECKGLERROR
}
- if (gl_state.depthdisable != m->depthdisable)
- {
- gl_state.depthdisable = m->depthdisable;
- if (gl_state.depthdisable)
- qglDisable(GL_DEPTH_TEST);
- else
- qglEnable(GL_DEPTH_TEST);
- }
- if (gl_state.depthmask != (m->blendfunc2 == GL_ZERO || m->depthwrite))
- {
- qglDepthMask(gl_state.depthmask = (m->blendfunc2 == GL_ZERO || m->depthwrite));CHECKGLERROR
- }
-}
-
-void R_Mesh_TextureState(const rmeshstate_t *m)
-{
- int i, combinergb, combinealpha;
- float scale;
- gltextureunit_t *unit;
-
- BACKENDACTIVECHECK
if (gl_backend_rebindtextures)
{
GL_SetupTextureState();
}
- for (i = 0;i < backendunits;i++)
+ for (i = 0, unit = gl_state.units;i < backendunits;i++, unit++)
{
- unit = gl_state.units + i;
- if (unit->t1d != m->tex1d[i] || unit->t2d != m->tex[i] || unit->t3d != m->tex3d[i] || unit->tcubemap != m->texcubemap[i])
+ // update 1d texture binding
+ if (unit->t1d != m->tex1d[i])
{
- if (gl_state.unit != i)
+ if (m->tex1d[i])
{
- qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ if (unit->t1d == 0)
+ {
+ GL_ActiveTexture(i);
+ qglEnable(GL_TEXTURE_1D);CHECKGLERROR
+ }
+ unit->t1d = m->tex1d[i];
+ GL_ActiveTexture(i);
+ qglBindTexture(GL_TEXTURE_1D, unit->t1d);CHECKGLERROR
}
- if (m->tex1d[i] || m->tex[i] || m->tex3d[i] || m->texcubemap[i])
+ else
{
- if (!unit->arrayenabled)
+ if (unit->t1d)
{
- unit->arrayenabled = true;
- if (gl_state.clientunit != i)
- {
- qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
- }
- qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ unit->t1d = 0;
+ GL_ActiveTexture(i);
+ qglDisable(GL_TEXTURE_1D);CHECKGLERROR
}
}
- else
+ }
+ // update 2d texture binding
+ if (unit->t2d != m->tex[i])
+ {
+ if (m->tex[i])
{
- if (unit->arrayenabled)
+ if (unit->t2d == 0)
{
- unit->arrayenabled = false;
- if (gl_state.clientunit != i)
- {
- qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
- }
- qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ GL_ActiveTexture(i);
+ qglEnable(GL_TEXTURE_2D);CHECKGLERROR
}
+ unit->t2d = m->tex[i];
+ GL_ActiveTexture(i);
+ qglBindTexture(GL_TEXTURE_2D, unit->t2d);CHECKGLERROR
}
- combinergb = m->texcombinergb[i];
- combinealpha = m->texcombinealpha[i];
- if (!combinergb)
- combinergb = GL_MODULATE;
- if (!combinealpha)
- combinealpha = GL_MODULATE;
- if (unit->combinergb != combinergb)
+ else
{
- unit->combinergb = combinergb;
- if (gl_combine.integer)
+ if (unit->t2d)
{
- qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR
+ unit->t2d = 0;
+ GL_ActiveTexture(i);
+ qglDisable(GL_TEXTURE_2D);CHECKGLERROR
}
- else
+ }
+ }
+ // update 3d texture binding
+ if (unit->t3d != m->tex3d[i])
+ {
+ if (m->tex3d[i])
+ {
+ if (unit->t3d == 0)
{
- qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR
+ GL_ActiveTexture(i);
+ qglEnable(GL_TEXTURE_3D);CHECKGLERROR
}
+ unit->t3d = m->tex3d[i];
+ GL_ActiveTexture(i);
+ qglBindTexture(GL_TEXTURE_3D, unit->t3d);CHECKGLERROR
}
- if (unit->combinealpha != combinealpha)
+ else
{
- unit->combinealpha = combinealpha;
- if (gl_combine.integer)
+ if (unit->t3d)
{
- qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR
+ unit->t3d = 0;
+ GL_ActiveTexture(i);
+ qglDisable(GL_TEXTURE_3D);CHECKGLERROR
}
}
- if (unit->t1d != m->tex1d[i])
+ }
+ // update cubemap texture binding
+ if (unit->tcubemap != m->texcubemap[i])
+ {
+ if (m->texcubemap[i])
{
- if (m->tex1d[i])
+ if (unit->tcubemap == 0)
{
- if (unit->t1d == 0)
- qglEnable(GL_TEXTURE_1D);CHECKGLERROR
+ GL_ActiveTexture(i);
+ qglEnable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
}
- else
+ unit->tcubemap = m->texcubemap[i];
+ GL_ActiveTexture(i);
+ qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, unit->tcubemap);CHECKGLERROR
+ }
+ else
+ {
+ if (unit->tcubemap)
{
- if (unit->t1d)
- qglDisable(GL_TEXTURE_1D);CHECKGLERROR
+ unit->tcubemap = 0;
+ GL_ActiveTexture(i);
+ qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
}
- qglBindTexture(GL_TEXTURE_1D, (unit->t1d = m->tex1d[i]));CHECKGLERROR
}
- if (unit->t2d != m->tex[i])
+ }
+ // update texture unit settings if the unit is enabled
+ if (unit->t1d || unit->t2d || unit->t3d || unit->tcubemap)
+ {
+ // texture unit is enabled, enable the array
+ if (!unit->arrayenabled)
+ {
+ unit->arrayenabled = true;
+ GL_ClientActiveTexture(i);
+ qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
+ // update combine settings
+ if (gl_combine.integer)
{
- if (m->tex[i])
+ // GL_ARB_texture_env_combine
+ combinergb = m->texcombinergb[i] ? m->texcombinergb[i] : GL_MODULATE;
+ if (unit->combinergb != combinergb)
+ {
+ unit->combinergb = combinergb;
+ GL_ActiveTexture(i);
+ qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR
+ }
+ combinealpha = m->texcombinealpha[i] ? m->texcombinealpha[i] : GL_MODULATE;
+ if (unit->combinealpha != combinealpha)
{
- if (unit->t2d == 0)
- qglEnable(GL_TEXTURE_2D);CHECKGLERROR
+ unit->combinealpha = combinealpha;
+ GL_ActiveTexture(i);
+ qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR
+ }
+ scale = max(m->texrgbscale[i], 1);
+ if (unit->rgbscale != scale)
+ {
+ GL_ActiveTexture(i);
+ qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (unit->rgbscale = scale));CHECKGLERROR
}
- else
+ scale = max(m->texalphascale[i], 1);
+ if (unit->alphascale != scale)
{
- if (unit->t2d)
- qglDisable(GL_TEXTURE_2D);CHECKGLERROR
+ GL_ActiveTexture(i);
+ qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, (unit->alphascale = scale));CHECKGLERROR
}
- qglBindTexture(GL_TEXTURE_2D, (unit->t2d = m->tex[i]));CHECKGLERROR
}
- if (unit->t3d != m->tex3d[i])
+ else
{
- if (m->tex3d[i])
+ // normal GL texenv
+ combinergb = m->texcombinergb[i] ? m->texcombinergb[i] : GL_MODULATE;
+ if (unit->combinergb != combinergb)
{
- if (unit->t3d == 0)
- qglEnable(GL_TEXTURE_3D);CHECKGLERROR
+ unit->combinergb = combinergb;
+ GL_ActiveTexture(i);
+ qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR
}
- else
+ }
+ // update array settings
+ if (m->pointer_texcoord3f[i])
+ {
+ // 3d texcoord array
+ if (unit->pointer_texcoord != m->pointer_texcoord3f[i] || !unit->arrayis3d)
{
- if (unit->t3d)
- qglDisable(GL_TEXTURE_3D);CHECKGLERROR
+ unit->pointer_texcoord = m->pointer_texcoord3f[i];
+ unit->arrayis3d = true;
+ GL_ClientActiveTexture(i);
+ qglTexCoordPointer(3, GL_FLOAT, sizeof(float[3]), unit->pointer_texcoord);
+ CHECKGLERROR
}
- qglBindTexture(GL_TEXTURE_3D, (unit->t3d = m->tex3d[i]));CHECKGLERROR
}
- if (unit->tcubemap != m->texcubemap[i])
+ else
{
- if (m->texcubemap[i])
+ // 2d texcoord array
+ if (unit->pointer_texcoord != m->pointer_texcoord[i] || unit->arrayis3d)
{
- if (unit->tcubemap == 0)
- qglEnable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
+ unit->pointer_texcoord = m->pointer_texcoord[i];
+ unit->arrayis3d = false;
+ GL_ClientActiveTexture(i);
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), unit->pointer_texcoord);
+ CHECKGLERROR
}
- else
+ }
+ // update texmatrix
+ if (m->texmatrix[i].m[3][3])
+ {
+ // texmatrix specified, check if it is different
+ if (!unit->texmatrixenabled || memcmp(&unit->matrix, &m->texmatrix[i], sizeof(matrix4x4_t)))
{
- if (unit->tcubemap)
- qglDisable(GL_TEXTURE_CUBE_MAP_ARB);CHECKGLERROR
+ unit->texmatrixenabled = true;
+ unit->matrix = m->texmatrix[i];
+ Matrix4x4_Transpose(&tempmatrix, &unit->matrix);
+ qglMatrixMode(GL_TEXTURE);
+ GL_ActiveTexture(i);
+ qglLoadMatrixf(&tempmatrix.m[0][0]);
+ qglMatrixMode(GL_MODELVIEW);
}
- qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, (unit->tcubemap = m->texcubemap[i]));CHECKGLERROR
}
- }
- scale = max(m->texrgbscale[i], 1);
- if (gl_state.units[i].rgbscale != scale)
- {
- if (gl_state.unit != i)
+ else
{
- qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ // no texmatrix specified, revert to identity
+ if (unit->texmatrixenabled)
+ {
+ unit->texmatrixenabled = false;
+ qglMatrixMode(GL_TEXTURE);
+ GL_ActiveTexture(i);
+ qglLoadIdentity();
+ qglMatrixMode(GL_MODELVIEW);
+ }
}
- qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (gl_state.units[i].rgbscale = scale));CHECKGLERROR
}
- scale = max(m->texalphascale[i], 1);
- if (gl_state.units[i].alphascale != scale)
+ else
{
- if (gl_state.unit != i)
+ // texture unit is disabled, disable the array
+ if (unit->arrayenabled)
{
- qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ unit->arrayenabled = false;
+ GL_ClientActiveTexture(i);
+ qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
- qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, (gl_state.units[i].alphascale = scale));CHECKGLERROR
+ // no need to update most settings on a disabled texture unit
}
}
}
-void R_Mesh_State(const rmeshstate_t *m)
+void R_Mesh_Draw_ShowTris(int numverts, int numtriangles, const int *elements)
{
- R_Mesh_MainState(m);
- R_Mesh_TextureState(m);
+ qglBegin(GL_LINES);
+ for (;numtriangles;numtriangles--, elements += 3)
+ {
+ qglArrayElement(elements[0]);qglArrayElement(elements[1]);
+ qglArrayElement(elements[1]);qglArrayElement(elements[2]);
+ qglArrayElement(elements[2]);qglArrayElement(elements[0]);
+ }
+ qglEnd();
+ CHECKGLERROR
}
/*
==============================================================================
*/
-qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height)
+qboolean SCR_ScreenShot(char *filename, qbyte *buffer1, qbyte *buffer2, qbyte *buffer3, int x, int y, int width, int height, qboolean flipx, qboolean flipy, qboolean flipdiagonal, qboolean jpeg)
{
+ int indices[3] = {0,1,2};
qboolean ret;
- int i, j;
- qbyte *buffer;
if (!r_render.integer)
return false;
- buffer = Mem_Alloc(tempmempool, width*height*3);
- qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer);
+ qglReadPixels (x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, buffer1);
CHECKGLERROR
- // LordHavoc: compensate for v_overbrightbits when using hardware gamma
- if (v_hwgamma.integer)
- {
- for (i = 0;i < width * height * 3;i++)
- {
- j = buffer[i] << v_overbrightbits.integer;
- buffer[i] = (qbyte) (bound(0, j, 255));
- }
- }
+ Image_CopyMux (buffer2, buffer1, width, height, flipx, flipy, flipdiagonal, 3, 3, indices);
- ret = Image_WriteTGARGB_preflipped(filename, width, height, buffer);
+ if (jpeg)
+ ret = JPEG_SaveImage_preflipped (filename, width, height, buffer2);
+ else
+ ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer2, buffer3);
- Mem_Free(buffer);
return ret;
}
qglClearStencil(128);CHECKGLERROR
}
// clear the screen
- qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));CHECKGLERROR
+ GL_Clear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));
// set dithering mode
if (gl_dither.integer)
{
}
}
+/*
+====================
+CalcFov
+====================
+*/
+float CalcFov (float fov_x, float width, float height)
+{
+ // calculate vision size and alter by aspect, then convert back to angle
+ return atan (((height/width)/vid_pixelaspect.value)*tan(fov_x/360.0*M_PI))*360.0/M_PI;
+}
+
+int r_stereo_side;
+
+void SCR_DrawScreen (void)
+{
+ for (r_showtrispass = 0;r_showtrispass <= (r_showtris.value > 0);r_showtrispass++)
+ {
+ R_Mesh_Start();
+
+ R_TimeReport("setup");
+
+ if (r_showtrispass)
+ {
+ rmeshstate_t m;
+ r_showtrispass = 0;
+ GL_BlendFunc(GL_ONE, GL_ONE);
+ GL_DepthTest(GL_FALSE);
+ GL_DepthMask(GL_FALSE);
+ memset(&m, 0, sizeof(m));
+ R_Mesh_State(&m);
+ GL_ShowTrisColor(0.2,0.2,0.2,1);
+ r_showtrispass = 1;
+ }
+
+ if (scr_conlines < vid.conheight && cls.signon == SIGNONS)
+ {
+ float size;
+
+ size = scr_viewsize.value * (1.0 / 100.0);
+ size = min(size, 1);
+
+ if (r_stereo_sidebyside.integer)
+ {
+ r_refdef.width = vid.realwidth * size / 2.5;
+ r_refdef.height = vid.realheight * size / 2.5 * (1 - bound(0, r_letterbox.value, 100) / 100);
+ r_refdef.x = (vid.realwidth - r_refdef.width * 2.5) * 0.5;
+ r_refdef.y = (vid.realheight - r_refdef.height)/2;
+ if (r_stereo_side)
+ r_refdef.x += r_refdef.width * 1.5;
+ }
+ else
+ {
+ r_refdef.width = vid.realwidth * size;
+ r_refdef.height = vid.realheight * size * (1 - bound(0, r_letterbox.value, 100) / 100);
+ r_refdef.x = (vid.realwidth - r_refdef.width)/2;
+ r_refdef.y = (vid.realheight - r_refdef.height)/2;
+ }
+
+ // LordHavoc: viewzoom (zoom in for sniper rifles, etc)
+ r_refdef.fov_x = scr_fov.value * cl.viewzoom * r_refdef.fovscale_x;
+ r_refdef.fov_y = CalcFov (r_refdef.fov_x, r_refdef.width, r_refdef.height) * r_refdef.fovscale_y;
+
+ R_RenderView();
+
+ if (scr_zoomwindow.integer)
+ {
+ float sizex = bound(10, scr_zoomwindow_viewsizex.value, 100) / 100.0;
+ float sizey = bound(10, scr_zoomwindow_viewsizey.value, 100) / 100.0;
+ r_refdef.width = vid.realwidth * sizex;
+ r_refdef.height = vid.realheight * sizey;
+ r_refdef.x = (vid.realwidth - r_refdef.width)/2;
+ r_refdef.y = 0;
+ r_refdef.fov_x = scr_zoomwindow_fov.value * r_refdef.fovscale_x;
+ r_refdef.fov_y = CalcFov(r_refdef.fov_x, r_refdef.width, r_refdef.height) * r_refdef.fovscale_y;
+
+ R_RenderView();
+ }
+ }
+
+ if (!r_stereo_sidebyside.integer)
+ {
+ r_refdef.width = vid.realwidth;
+ r_refdef.height = vid.realheight;
+ r_refdef.x = 0;
+ r_refdef.y = 0;
+ }
+
+ // draw 2D stuff
+ R_DrawQueue();
+
+ R_Mesh_Finish();
+
+ R_TimeReport("meshfinish");
+ }
+ r_showtrispass = 0;
+}
+
+void SCR_UpdateLoadingScreen (void)
+{
+ float x, y;
+ cachepic_t *pic;
+ rmeshstate_t m;
+ // don't do anything if not initialized yet
+ if (vid_hidden)
+ return;
+ r_showtrispass = 0;
+ VID_GetWindowSize(&vid.realx, &vid.realy, &vid.realwidth, &vid.realheight);
+ VID_UpdateGamma(false);
+ qglViewport(0, 0, vid.realwidth, vid.realheight);
+ //qglDisable(GL_SCISSOR_TEST);
+ //qglDepthMask(1);
+ qglColorMask(1,1,1,1);
+ //qglClearColor(0,0,0,0);
+ //qglClear(GL_COLOR_BUFFER_BIT);
+ //qglCullFace(GL_FRONT);
+ //qglDisable(GL_CULL_FACE);
+ //R_ClearScreen();
+ R_Textures_Frame();
+ GL_SetupView_Mode_Ortho(0, 0, vid_conwidth.integer, vid_conheight.integer, -10, 100);
+ R_Mesh_Start();
+ R_Mesh_Matrix(&r_identitymatrix);
+ // draw the loading plaque
+ pic = Draw_CachePic("gfx/loading.lmp");
+ x = (vid_conwidth.integer - pic->width)/2;
+ y = (vid_conheight.integer - pic->height)/2;
+ GL_Color(1,1,1,1);
+ GL_BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ GL_DepthTest(false);
+ memset(&m, 0, sizeof(m));
+ m.pointer_vertex = varray_vertex3f;
+ m.pointer_texcoord[0] = varray_texcoord2f[0];
+ m.tex[0] = R_GetTexture(pic->tex);
+ R_Mesh_State(&m);
+ varray_vertex3f[0] = varray_vertex3f[9] = x;
+ varray_vertex3f[1] = varray_vertex3f[4] = y;
+ varray_vertex3f[3] = varray_vertex3f[6] = x + pic->width;
+ varray_vertex3f[7] = varray_vertex3f[10] = y + pic->height;
+ varray_texcoord2f[0][0] = 0;varray_texcoord2f[0][1] = 0;
+ varray_texcoord2f[0][2] = 1;varray_texcoord2f[0][3] = 0;
+ varray_texcoord2f[0][4] = 1;varray_texcoord2f[0][5] = 1;
+ varray_texcoord2f[0][6] = 0;varray_texcoord2f[0][7] = 1;
+ GL_LockArrays(0, 4);
+ R_Mesh_Draw(4, 2, polygonelements);
+ GL_LockArrays(0, 0);
+ R_Mesh_Finish();
+ // refresh
+ VID_Finish();
+}
+
/*
==================
SCR_UpdateScreen
*/
void SCR_UpdateScreen (void)
{
- if (gl_delayfinish.integer)
- {
- VID_Finish ();
-
- R_TimeReport("finish");
- }
+ if (vid_hidden)
+ return;
if (r_textureunits.integer > gl_textureunits)
Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
if (gl_combine.integer && (!gl_combine_extension || r_textureunits.integer < 2))
Cvar_SetValueQuick(&gl_combine, 0);
- // lighting scale
- r_colorscale = 1.0f / (float) (1 << v_overbrightbits.integer);
+ // don't allow cheats in multiplayer
+ if (!cl.islocalgame && cl.worldmodel)
+ {
+ if (r_fullbright.integer != 0)
+ Cvar_Set ("r_fullbright", "0");
+ if (r_ambient.value != 0)
+ Cvar_Set ("r_ambient", "0");
+ }
- // lightmaps only
- r_lightmapscalebit = v_overbrightbits.integer;
- if (gl_combine.integer && r_textureunits.integer > 1)
- r_lightmapscalebit += 2;
+ // bound viewsize
+ if (scr_viewsize.value < 30)
+ Cvar_Set ("viewsize","30");
+ if (scr_viewsize.value > 120)
+ Cvar_Set ("viewsize","120");
+
+ // bound field of view
+ if (scr_fov.value < 1)
+ Cvar_Set ("fov","1");
+ if (scr_fov.value > 170)
+ Cvar_Set ("fov","170");
+
+ // intermission is always full screen
+ if (cl.intermission)
+ sb_lines = 0;
+ else
+ {
+ if (scr_viewsize.value >= 120)
+ sb_lines = 0; // no status bar at all
+ else if (scr_viewsize.value >= 110)
+ sb_lines = 24; // no inventory
+ else
+ sb_lines = 24+16+8;
+ }
- R_TimeReport("setup");
+ r_refdef.fovscale_x = 1;
+ r_refdef.fovscale_y = 1;
+ if (r_waterwarp.value > 0 && cl.worldmodel)
+ {
+ Mod_CheckLoaded(cl.worldmodel);
+ if (CL_PointSuperContents(r_vieworigin) & SUPERCONTENTS_LIQUIDSMASK)
+ {
+ r_refdef.fovscale_x = 1 - (((sin(cl.time * 4.7) + 1) * 0.015) * r_waterwarp.value);
+ r_refdef.fovscale_y = 1 - (((sin(cl.time * 3.0) + 1) * 0.015) * r_waterwarp.value);
+ }
+ }
+
+ r_refdef.colormask[0] = 1;
+ r_refdef.colormask[1] = 1;
+ r_refdef.colormask[2] = 1;
- R_ClearScreen();
+ CHECKGLERROR
+ qglViewport(0, 0, vid.realwidth, vid.realheight);
+ qglDisable(GL_SCISSOR_TEST);
+ qglDepthMask(1);
+ qglColorMask(1,1,1,1);
+ qglClearColor(0,0,0,0);
+ qglClear(GL_COLOR_BUFFER_BIT);
+ CHECKGLERROR
R_TimeReport("clear");
- if (scr_conlines < vid.conheight && cls.signon == SIGNONS)
- R_RenderView();
+ if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer || r_stereo_sidebyside.integer)
+ {
+ matrix4x4_t originalmatrix = r_refdef.viewentitymatrix;
+ r_refdef.viewentitymatrix.m[0][3] = originalmatrix.m[0][3] + r_stereo_separation.value * -0.5f * r_refdef.viewentitymatrix.m[0][1];
+ r_refdef.viewentitymatrix.m[1][3] = originalmatrix.m[1][3] + r_stereo_separation.value * -0.5f * r_refdef.viewentitymatrix.m[1][1];
+ r_refdef.viewentitymatrix.m[2][3] = originalmatrix.m[2][3] + r_stereo_separation.value * -0.5f * r_refdef.viewentitymatrix.m[2][1];
- // draw 2D stuff
- R_DrawQueue();
+ if (r_stereo_sidebyside.integer)
+ r_stereo_side = 0;
- if (gl_delayfinish.integer)
- {
- // tell driver to commit it's partially full geometry queue to the rendering queue
- // (this doesn't wait for the commands themselves to complete)
- qglFlush();
+ if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
+ {
+ r_refdef.colormask[0] = 1;
+ r_refdef.colormask[1] = 0;
+ r_refdef.colormask[2] = 0;
+ }
+
+ SCR_DrawScreen();
+
+ r_refdef.viewentitymatrix.m[0][3] = originalmatrix.m[0][3] + r_stereo_separation.value * 0.5f * r_refdef.viewentitymatrix.m[0][1];
+ r_refdef.viewentitymatrix.m[1][3] = originalmatrix.m[1][3] + r_stereo_separation.value * 0.5f * r_refdef.viewentitymatrix.m[1][1];
+ r_refdef.viewentitymatrix.m[2][3] = originalmatrix.m[2][3] + r_stereo_separation.value * 0.5f * r_refdef.viewentitymatrix.m[2][1];
+
+ if (r_stereo_sidebyside.integer)
+ r_stereo_side = 1;
+
+ if (r_stereo_redblue.integer || r_stereo_redgreen.integer || r_stereo_redcyan.integer)
+ {
+ r_refdef.colormask[0] = 0;
+ r_refdef.colormask[1] = r_stereo_redcyan.integer || r_stereo_redgreen.integer;
+ r_refdef.colormask[2] = r_stereo_redcyan.integer || r_stereo_redblue.integer;
+ }
+
+ SCR_DrawScreen();
+
+ r_refdef.viewentitymatrix = originalmatrix;
}
else
{
- VID_Finish ();
+ r_showtrispass = false;
+ SCR_DrawScreen();
+
+ if (r_showtris.value > 0)
+ {
+ rmeshstate_t m;
+ GL_BlendFunc(GL_ONE, GL_ONE);
+ GL_DepthTest(GL_FALSE);
+ GL_DepthMask(GL_FALSE);
+ memset(&m, 0, sizeof(m));
+ R_Mesh_State(&m);
+ r_showtrispass = true;
+ GL_ShowTrisColor(0.2,0.2,0.2,1);
+ SCR_DrawScreen();
+ r_showtrispass = false;
+ }
+ }
+
+ VID_Finish();
+ R_TimeReport("finish");
+}
+
+
+//===========================================================================
+// dynamic vertex array buffer subsystem
+//===========================================================================
+
+// FIXME: someday this should be dynamically allocated and resized?
+float varray_vertex3f[65536*3];
+float varray_svector3f[65536*3];
+float varray_tvector3f[65536*3];
+float varray_normal3f[65536*3];
+float varray_color4f[65536*4];
+float varray_texcoord2f[4][65536*2];
+float varray_texcoord3f[4][65536*3];
+int earray_element3i[65536];
+float varray_vertex3f2[65536*3];
+
+//===========================================================================
+// vertex array caching subsystem
+//===========================================================================
+
+typedef struct rcachearraylink_s
+{
+ struct rcachearraylink_s *next, *prev;
+ struct rcachearrayitem_s *data;
+}
+rcachearraylink_t;
+
+typedef struct rcachearrayitem_s
+{
+ // the original request structure
+ rcachearrayrequest_t request;
+ // active
+ int active;
+ // offset into r_mesh_rcachedata
+ int offset;
+ // for linking this into the sequential list
+ rcachearraylink_t sequentiallink;
+ // for linking this into the lookup list
+ rcachearraylink_t hashlink;
+}
+rcachearrayitem_t;
- R_TimeReport("finish");
+#define RCACHEARRAY_HASHSIZE 65536
+#define RCACHEARRAY_ITEMS 4096
+#define RCACHEARRAY_DEFAULTSIZE (4 << 20)
+
+// all active items are linked into this chain in sorted order
+static rcachearraylink_t r_mesh_rcachesequentialchain;
+// all inactive items are linked into this chain in unknown order
+static rcachearraylink_t r_mesh_rcachefreechain;
+// all active items are also linked into these chains (using their hashlink)
+static rcachearraylink_t r_mesh_rcachechain[RCACHEARRAY_HASHSIZE];
+
+// all items are stored here, whether active or inactive
+static rcachearrayitem_t r_mesh_rcacheitems[RCACHEARRAY_ITEMS];
+
+// size of data buffer
+static int r_mesh_rcachedata_size = RCACHEARRAY_DEFAULTSIZE;
+// data buffer
+static qbyte r_mesh_rcachedata[RCACHEARRAY_DEFAULTSIZE];
+
+// current state
+static int r_mesh_rcachedata_offset;
+static rcachearraylink_t *r_mesh_rcachesequentialchain_current;
+
+static void R_Mesh_CacheArray_Startup(void)
+{
+ int i;
+ rcachearraylink_t *l;
+ // prepare all the linked lists
+ l = &r_mesh_rcachesequentialchain;l->next = l->prev = l;l->data = NULL;
+ l = &r_mesh_rcachefreechain;l->next = l->prev = l;l->data = NULL;
+ memset(&r_mesh_rcachechain, 0, sizeof(r_mesh_rcachechain));
+ for (i = 0;i < RCACHEARRAY_HASHSIZE;i++)
+ {
+ l = &r_mesh_rcachechain[i];
+ l->next = l->prev = l;
+ l->data = NULL;
+ }
+ memset(&r_mesh_rcacheitems, 0, sizeof(r_mesh_rcacheitems));
+ for (i = 0;i < RCACHEARRAY_ITEMS;i++)
+ {
+ r_mesh_rcacheitems[i].hashlink.data = r_mesh_rcacheitems[i].sequentiallink.data = &r_mesh_rcacheitems[i];
+ l = &r_mesh_rcacheitems[i].sequentiallink;
+ l->next = &r_mesh_rcachefreechain;
+ l->prev = l->next->prev;
+ l->next->prev = l->prev->next = l;
+ }
+ // clear other state
+ r_mesh_rcachedata_offset = 0;
+ r_mesh_rcachesequentialchain_current = &r_mesh_rcachesequentialchain;
+}
+
+static void R_Mesh_CacheArray_Shutdown(void)
+{
+}
+
+/*
+static void R_Mesh_CacheArray_ValidateState(int num)
+{
+ rcachearraylink_t *l, *lhead;
+ lhead = &r_mesh_rcachesequentialchain;
+ if (r_mesh_rcachesequentialchain_current == lhead)
+ return;
+ for (l = lhead->next;l != lhead;l = l->next)
+ if (r_mesh_rcachesequentialchain_current == l)
+ return;
+ Sys_Error("%i", num);
+}
+*/
+
+int R_Mesh_CacheArray(rcachearrayrequest_t *r)
+{
+ rcachearraylink_t *l, *lhead, *lnext;
+ rcachearrayitem_t *d;
+ int hashindex, offset, offsetend;
+
+ //R_Mesh_CacheArray_ValidateState(3);
+ // calculate a hashindex to choose a cache chain
+ r->data = NULL;
+ hashindex = CRC_Block((void *)r, sizeof(*r)) % RCACHEARRAY_HASHSIZE;
+
+ // is it already cached?
+ for (lhead = &r_mesh_rcachechain[hashindex], l = lhead->next;l != lhead;l = l->next)
+ {
+ if (!memcmp(&l->data->request, r, sizeof(l->data->request)))
+ {
+ // we have it cached already
+ r->data = r_mesh_rcachedata + l->data->offset;
+ return false;
+ }
+ }
+
+ // we need to add a new cache item, this means finding a place for the new
+ // data and making sure we have a free item available, lots of work...
+
+ // check if buffer needs to wrap
+ if (r_mesh_rcachedata_offset + r->data_size > r_mesh_rcachedata_size)
+ {
+ /*
+ if (r->data_size * 10 > r_mesh_rcachedata_size)
+ {
+ // realloc whole cache
+ }
+ */
+ // reset back to start
+ r_mesh_rcachedata_offset = 0;
+ r_mesh_rcachesequentialchain_current = &r_mesh_rcachesequentialchain;
+ }
+ offset = r_mesh_rcachedata_offset;
+ r_mesh_rcachedata_offset += r->data_size;
+ offsetend = r_mesh_rcachedata_offset;
+ //R_Mesh_CacheArray_ValidateState(4);
+
+ /*
+ {
+ int n;
+ for (lhead = &r_mesh_rcachesequentialchain, l = lhead->next, n = 0;l != lhead;l = l->next, n++);
+ Con_Printf("R_Mesh_CacheArray: new data range %i:%i, %i items are already linked\n", offset, offsetend, n);
+ }
+ */
+
+ // make room for the new data (remove old items)
+ lhead = &r_mesh_rcachesequentialchain;
+ l = r_mesh_rcachesequentialchain_current;
+ if (l == lhead)
+ l = l->next;
+ while (l != lhead && l->data->offset < offsetend && l->data->offset + l->data->request.data_size > offset)
+ {
+ //r_mesh_rcachesequentialchain_current = l;
+ //R_Mesh_CacheArray_ValidateState(8);
+ lnext = l->next;
+ // if at the end of the chain, wrap around
+ if (lnext == lhead)
+ lnext = lnext->next;
+ //r_mesh_rcachesequentialchain_current = lnext;
+ //R_Mesh_CacheArray_ValidateState(10);
+
+ // unlink from sequential chain
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+ //R_Mesh_CacheArray_ValidateState(11);
+ // link into free chain
+ l->next = &r_mesh_rcachefreechain;
+ l->prev = l->next->prev;
+ l->next->prev = l->prev->next = l;
+ //R_Mesh_CacheArray_ValidateState(12);
+
+ l = &l->data->hashlink;
+ // unlink from hash chain
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+
+ l = lnext;
+ //r_mesh_rcachesequentialchain_current = l;
+ //R_Mesh_CacheArray_ValidateState(9);
+ }
+ //r_mesh_rcachesequentialchain_current = l;
+ //R_Mesh_CacheArray_ValidateState(5);
+ // gobble an extra item if we have no free items available
+ if (r_mesh_rcachefreechain.next == &r_mesh_rcachefreechain)
+ {
+ lnext = l->next;
+
+ // unlink from sequential chain
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+ // link into free chain
+ l->next = &r_mesh_rcachefreechain;
+ l->prev = l->next->prev;
+ l->next->prev = l->prev->next = l;
+
+ l = &l->data->hashlink;
+ // unlink from hash chain
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+
+ l = lnext;
+ }
+ r_mesh_rcachesequentialchain_current = l;
+ //R_Mesh_CacheArray_ValidateState(6);
+
+ // now take an item from the free chain
+ l = r_mesh_rcachefreechain.next;
+ // set it up
+ d = l->data;
+ d->request = *r;
+ d->offset = offset;
+ // unlink
+ l->next->prev = l->prev;
+ l->prev->next = l->next;
+ // relink to sequential
+ l->next = r_mesh_rcachesequentialchain_current->prev;
+ l->prev = l->next->prev;
+ while (l->next->data && l->data && l->next->data->offset <= d->offset)
+ {
+ //Con_Print(">\n");
+ l->next = l->next->next;
+ l->prev = l->prev->next;
+ }
+ while (l->prev->data && l->data && l->prev->data->offset >= d->offset)
+ {
+ //Con_Print("<\n");
+ l->prev = l->prev->prev;
+ l->next = l->next->prev;
}
+ l->next->prev = l->prev->next = l;
+ // also link into hash chain
+ l = &l->data->hashlink;
+ l->next = &r_mesh_rcachechain[hashindex];
+ l->prev = l->next->prev;
+ l->prev->next = l;
+ l->next->prev = l->prev->next = l;
+
+
+ //r_mesh_rcachesequentialchain_current = d->sequentiallink.next;
+
+ //R_Mesh_CacheArray_ValidateState(7);
+ // and finally set the data pointer
+ r->data = r_mesh_rcachedata + d->offset;
+ // and tell the caller to fill the array
+ return true;
}
projects / xonotic / darkplaces.git / blobdiff