#include "quakedef.h"
+#include "image.h"
-cvar_t gl_mesh_maxverts = {0, "gl_mesh_maxverts", "1024"};
+cvar_t gl_mesh_maxverts = {0, "gl_mesh_maxverts", "21760"};
cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "1"};
cvar_t gl_mesh_drawrangeelements = {0, "gl_mesh_drawrangeelements", "1"};
+cvar_t gl_mesh_vertex_array_range = {0, "gl_mesh_vertex_array_range", "0"};
+cvar_t gl_mesh_vertex_array_range_readfrequency = {0, "gl_mesh_vertex_array_range_readfrequency", "0.2"};
+cvar_t gl_mesh_vertex_array_range_writefrequency = {0, "gl_mesh_vertex_array_range_writefrequency", "0.2"};
+cvar_t gl_mesh_vertex_array_range_priority = {0, "gl_mesh_vertex_array_range_priority", "0.7"};
+cvar_t gl_delayfinish = {CVAR_SAVE, "gl_delayfinish", "0"};
cvar_t r_render = {0, "r_render", "1"};
cvar_t gl_dither = {CVAR_SAVE, "gl_dither", "1"}; // whether or not to use dithering
break;
#endif
#ifdef GL_TABLE_TOO_LARGE
- case GL_TABLE_TOO_LARGE:
+ case GL_TABLE_TOO_LARGE:
Con_Printf("GL_TABLE_TOO_LARGE at %s:%i\n", filename, linenumber);
break;
#endif
// these are externally accessible
int r_lightmapscalebit;
float r_colorscale;
-float *varray_vertex;
-float *varray_color;
-float *varray_texcoord[MAX_TEXTUREUNITS];
+GLfloat *varray_vertex3f, *varray_buf_vertex3f;
+GLfloat *varray_color4f, *varray_buf_color4f;
+GLfloat *varray_texcoord3f[MAX_TEXTUREUNITS], *varray_buf_texcoord3f[MAX_TEXTUREUNITS];
+GLfloat *varray_texcoord2f[MAX_TEXTUREUNITS], *varray_buf_texcoord2f[MAX_TEXTUREUNITS];
+static qbyte *varray_color4b, *varray_buf_color4b;
int mesh_maxverts;
+int mesh_var;
+float mesh_var_readfrequency;
+float mesh_var_writefrequency;
+float mesh_var_priority;
+int varray_offset = 0, varray_offsetnext = 0;
+GLuint *varray_buf_elements3i;
+int mesh_maxelements = 3072;
static matrix4x4_t backend_viewmatrix;
static matrix4x4_t backend_modelmatrix;
static matrix4x4_t backend_modelviewmatrix;
static matrix4x4_t backend_glmodelviewmatrix;
+static matrix4x4_t backend_projectmatrix;
static int backendunits, backendactive;
-static qbyte *varray_bcolor;
static mempool_t *gl_backend_mempool;
+/*
+note: here's strip order for a terrain row:
+0--1--2--3--4
+|\ |\ |\ |\ |
+| \| \| \| \|
+A--B--C--D--E
+
+A0B, 01B, B1C, 12C, C2D, 23D, D3E, 34E
+
+*elements++ = i + row;
+*elements++ = i;
+*elements++ = i + row + 1;
+*elements++ = i;
+*elements++ = i + 1;
+*elements++ = i + row + 1;
+*/
+
+void GL_Backend_AllocElementsArray(void)
+{
+ if (varray_buf_elements3i)
+ Mem_Free(varray_buf_elements3i);
+ varray_buf_elements3i = Mem_Alloc(gl_backend_mempool, mesh_maxelements * sizeof(GLuint));
+}
+
+void GL_Backend_FreeElementArray(void)
+{
+ if (varray_buf_elements3i)
+ Mem_Free(varray_buf_elements3i);
+ varray_buf_elements3i = NULL;
+}
+
+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);
+ if (gl_mesh_vertex_array_range.integer && !gl_support_var)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range, 0);
+ if (gl_mesh_vertex_array_range_readfrequency.value < 0)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range_readfrequency, 0);
+ if (gl_mesh_vertex_array_range_readfrequency.value > 1)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range_readfrequency, 1);
+ if (gl_mesh_vertex_array_range_writefrequency.value < 0)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range_writefrequency, 0);
+ if (gl_mesh_vertex_array_range_writefrequency.value > 1)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range_writefrequency, 1);
+ if (gl_mesh_vertex_array_range_priority.value < 0)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range_priority, 0);
+ if (gl_mesh_vertex_array_range_priority.value > 1)
+ Cvar_SetValueQuick(&gl_mesh_vertex_array_range_priority, 1);
+}
+
int polygonelements[768];
void GL_Backend_AllocArrays(void)
{
- int i;
+ int i, size;
+ qbyte *data;
- for (i = 0;i < POLYGONELEMENTS_MAXPOINTS - 2;i++)
+ if (!gl_backend_mempool)
{
- polygonelements[i * 3 + 0] = 0;
- polygonelements[i * 3 + 1] = i + 1;
- polygonelements[i * 3 + 2] = i + 2;
+ gl_backend_mempool = Mem_AllocPool("GL_Backend");
+ varray_buf_vertex3f = NULL;
+ varray_buf_color4f = NULL;
+ varray_buf_color4b = NULL;
+ varray_buf_elements3i = NULL;
+ for (i = 0;i < MAX_TEXTUREUNITS;i++)
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
}
- if (!gl_backend_mempool)
- gl_backend_mempool = Mem_AllocPool("GL_Backend");
+ mesh_maxverts = gl_mesh_maxverts.integer;
+ mesh_var = gl_mesh_vertex_array_range.integer;
+ mesh_var_readfrequency = gl_mesh_vertex_array_range_readfrequency.value;
+ mesh_var_writefrequency = gl_mesh_vertex_array_range_writefrequency.value;
+ mesh_var_priority = gl_mesh_vertex_array_range_priority.value;
+
+ if (varray_buf_vertex3f)
+ VID_FreeVertexArrays(varray_buf_vertex3f);
+ varray_buf_vertex3f = NULL;
+ varray_buf_color4f = NULL;
+ varray_buf_color4b = NULL;
+ for (i = 0;i < MAX_TEXTUREUNITS;i++)
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
- 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]));
+ size = mesh_maxverts * (sizeof(float[3]) + sizeof(float[4]) + sizeof(qbyte[4]) + (sizeof(float[3]) + sizeof(float[2])) * backendunits);
+ data = VID_AllocVertexArrays(gl_backend_mempool, size, gl_mesh_vertex_array_range.integer, gl_mesh_vertex_array_range_readfrequency.value, gl_mesh_vertex_array_range_writefrequency.value, gl_mesh_vertex_array_range_priority.value);
+ varray_buf_vertex3f = (void *)data;data += sizeof(float[3]) * mesh_maxverts;
+ varray_buf_color4f = (void *)data;data += sizeof(float[4]) * mesh_maxverts;
for (i = 0;i < backendunits;i++)
- varray_texcoord[i] = Mem_Alloc(gl_backend_mempool, mesh_maxverts * sizeof(float[4]));
+ {
+ varray_buf_texcoord3f[i] = (void *)data;data += sizeof(float[3]) * mesh_maxverts;
+ varray_buf_texcoord2f[i] = (void *)data;data += sizeof(float[2]) * mesh_maxverts;
+ }
for (;i < MAX_TEXTUREUNITS;i++)
- varray_texcoord[i] = NULL;
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
+ varray_buf_color4b = (void *)data;data += sizeof(qbyte[4]) * mesh_maxverts;
+
+ GL_Backend_AllocElementsArray();
+
+ if (gl_support_var)
+ {
+ CHECKGLERROR
+ qglVertexArrayRangeNV(size, varray_buf_vertex3f);
+ CHECKGLERROR
+ qglEnableClientState(GL_VERTEX_ARRAY_RANGE_NV);
+ CHECKGLERROR
+ }
}
-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;
+
+ if (gl_support_var)
+ {
+ CHECKGLERROR
+ qglDisableClientState(GL_VERTEX_ARRAY_RANGE_NV);
+ CHECKGLERROR
+ }
+
+ if (varray_buf_vertex3f)
+ VID_FreeVertexArrays(varray_buf_vertex3f);
+ varray_buf_vertex3f = NULL;
+ varray_buf_color4f = NULL;
+ varray_buf_color4b = NULL;
for (i = 0;i < MAX_TEXTUREUNITS;i++)
- varray_texcoord[i] = NULL;
+ varray_buf_texcoord3f[i] = varray_buf_texcoord2f[i] = NULL;
+ varray_buf_elements3i = NULL;
+
+ Mem_FreePool(&gl_backend_mempool);
}
static void gl_backend_start(void)
{
+ GL_Backend_CheckCvars();
+
Con_Printf("OpenGL Backend started with gl_mesh_maxverts %i\n", gl_mesh_maxverts.integer);
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);
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);
+ GL_Backend_FreeArrays();
}
-void GL_Backend_ResizeArrays(int numtriangles)
+void GL_Backend_ResizeArrays(int numvertices)
{
- Cvar_SetValueQuick(&gl_mesh_maxverts, numtriangles);
+ Cvar_SetValueQuick(&gl_mesh_maxverts, numvertices);
GL_Backend_CheckCvars();
mesh_maxverts = gl_mesh_maxverts.integer;
- GL_Backend_FreeArrays(true);
GL_Backend_AllocArrays();
}
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(&gl_dither);
Cvar_RegisterVariable(&gl_lockarrays);
+ Cvar_RegisterVariable(&gl_delayfinish);
#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();
+ Cvar_RegisterVariable(&gl_mesh_vertex_array_range);
+ Cvar_RegisterVariable(&gl_mesh_vertex_array_range_readfrequency);
+ Cvar_RegisterVariable(&gl_mesh_vertex_array_range_writefrequency);
+ Cvar_RegisterVariable(&gl_mesh_vertex_array_range_priority);
R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap);
}
memset(&backend_modelmatrix, 0, sizeof(backend_modelmatrix));
}
-void GL_SetupView_Mode_Perspective (double aspect, double fovx, double fovy, double zNear, double zFar)
+void GL_SetupView_Mode_Perspective (double fovx, double fovy, double zNear, double zFar)
{
double xmax, ymax;
// set up viewpoint
qglMatrixMode(GL_PROJECTION);CHECKGLERROR
- qglLoadIdentity ();CHECKGLERROR
+ qglLoadIdentity();CHECKGLERROR
// pyramid slopes
xmax = zNear * tan(fovx * M_PI / 360.0);
ymax = zNear * tan(fovy * M_PI / 360.0);
GL_SetupView_Orientation_Identity();
}
+void GL_SetupView_Mode_PerspectiveInfiniteFarClip (double fovx, double fovy, double zNear)
+{
+ float nudge, m[16];
+
+ if (!r_render.integer)
+ return;
+
+ // set up viewpoint
+ qglMatrixMode(GL_PROJECTION);CHECKGLERROR
+ qglLoadIdentity();CHECKGLERROR
+ // set view pyramid
+ nudge = 1.0 - 1.0 / (1<<23);
+ m[ 0] = 1.0 / tan(fovx * M_PI / 360.0);
+ m[ 1] = 0;
+ m[ 2] = 0;
+ m[ 3] = 0;
+ m[ 4] = 0;
+ m[ 5] = 1.0 / tan(fovy * M_PI / 360.0);
+ m[ 6] = 0;
+ m[ 7] = 0;
+ m[ 8] = 0;
+ m[ 9] = 0;
+ m[10] = -1 * nudge;
+ m[11] = -1 * nudge;
+ m[12] = 0;
+ m[13] = 0;
+ m[14] = -2 * zNear * nudge;
+ m[15] = 0;
+ qglLoadMatrixf(m);
+ qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
+ GL_SetupView_Orientation_Identity();
+ 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];
+}
+
void GL_SetupView_Mode_Ortho (double x1, double y1, double x2, double y2, double zNear, double zFar)
{
if (!r_render.integer)
// set up viewpoint
qglMatrixMode(GL_PROJECTION);CHECKGLERROR
- qglLoadIdentity ();CHECKGLERROR
+ qglLoadIdentity();CHECKGLERROR
qglOrtho(x1, x2, y2, y1, zNear, zFar);
qglMatrixMode(GL_MODELVIEW);CHECKGLERROR
GL_SetupView_Orientation_Identity();
typedef struct gltextureunit_s
{
- unsigned int t1d, t2d, t3d, tcubemap;
- unsigned int arrayenabled;
- float rgbscale;
+ int t1d, t2d, t3d, tcubemap;
+ int arrayenabled, arrayis3d;
+ float rgbscale, alphascale;
+ int combinergb, combinealpha;
// FIXME: add more combine stuff
}
gltextureunit_t;
unit->t3d = 0;
unit->tcubemap = 0;
unit->rgbscale = 1;
+ unit->alphascale = 1;
+ unit->combinergb = GL_MODULATE;
+ unit->combinealpha = GL_MODULATE;
unit->arrayenabled = false;
+ unit->arrayis3d = false;
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
- if (gl_texture3d)
- {
- qglTexCoordPointer(3, GL_FLOAT, sizeof(float[4]), varray_texcoord[i]);CHECKGLERROR
- }
- else
- {
- qglTexCoordPointer(2, GL_FLOAT, sizeof(float[4]), varray_texcoord[i]);CHECKGLERROR
- }
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), varray_buf_texcoord2f[i]);CHECKGLERROR
qglDisable(GL_TEXTURE_1D);CHECKGLERROR
qglDisable(GL_TEXTURE_2D);CHECKGLERROR
if (gl_texture3d)
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]), varray_buf_vertex3f);CHECKGLERROR
qglEnableClientState(GL_VERTEX_ARRAY);CHECKGLERROR
if (gl_mesh_floatcolors.integer)
{
- qglColorPointer(4, GL_FLOAT, sizeof(float[4]), varray_color);CHECKGLERROR
+ qglColorPointer(4, GL_FLOAT, sizeof(float[4]), varray_buf_color4f);CHECKGLERROR
}
else
{
- qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(qbyte[4]), varray_bcolor);CHECKGLERROR
+ qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(qbyte[4]), varray_buf_color4b);CHECKGLERROR
}
GL_Color(1, 1, 1, 1);
qglColor4f(cr, cg, cb, ca);
}
+void GL_TransformToScreen(const vec4_t in, vec4_t out)
+{
+ vec4_t temp;
+ float iw;
+ 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;
+}
+
// called at beginning of frame
void R_Mesh_Start(void)
{
CHECKGLERROR
GL_Backend_CheckCvars();
- if (mesh_maxverts != gl_mesh_maxverts.integer)
+ if (mesh_maxverts != gl_mesh_maxverts.integer
+ || mesh_var != gl_mesh_vertex_array_range.integer
+ || mesh_var_readfrequency != gl_mesh_vertex_array_range_readfrequency.value
+ || mesh_var_writefrequency != gl_mesh_vertex_array_range_writefrequency.value
+ || mesh_var_priority != gl_mesh_vertex_array_range_priority.value)
GL_Backend_ResizeArrays(gl_mesh_maxverts.integer);
GL_Backend_ResetState();
+
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglFlushVertexArrayRangeNV();
+ CHECKGLERROR
+ }
+ varray_offset = 0;
}
int gl_backend_rebindtextures;
// (or a union)
volatile int *icolor;
volatile float *fcolor;
- qbyte *bcolor;
+ GLubyte *bcolor;
total = numverts * 4;
// shift float to have 8bit fraction at base of number
- fcolor = varray_color;
+ fcolor = varray_buf_color4f;
for (i = 0;i < total;)
{
fcolor[i ] += 32768.0f;
}
// then read as integer and kill float bits...
- icolor = (int *)varray_color;
- bcolor = varray_bcolor;
+ icolor = (int *)varray_buf_color4f;
+ bcolor = varray_buf_color4b;
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;
+ k = icolor[i ] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i ] = (GLubyte) k;
+ k = icolor[i + 1] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 1] = (GLubyte) k;
+ k = icolor[i + 2] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 2] = (GLubyte) k;
+ k = icolor[i + 3] & 0x7FFFFF;if (k > 255) k = 255;bcolor[i + 3] = (GLubyte) k;
i += 4;
}
}
-void GL_DrawRangeElements(int firstvert, int endvert, int indexcount, int *index)
+/*
+// enlarges geometry buffers if they are too small
+void _R_Mesh_ResizeCheck(int numverts)
{
- int arraylocked = false;
- c_meshs++;
- c_meshelements += indexcount;
- if (indexcount == 0 || endvert == firstvert)
- {
- Con_Printf("GL_DrawRangeElements(%d, %d, %d, %08p);\n", firstvert, endvert, indexcount, index);
- return;
- }
- if (gl_supportslockarrays && gl_lockarrays.integer)
- {
- qglLockArraysEXT(firstvert, endvert - firstvert);
- CHECKGLERROR
- arraylocked = true;
- }
- if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
- qglDrawRangeElements(GL_TRIANGLES, firstvert, endvert, indexcount, GL_UNSIGNED_INT, (GLuint *) index);
- else
- qglDrawElements(GL_TRIANGLES, indexcount, GL_UNSIGNED_INT, (GLuint *) index);
- CHECKGLERROR
- if (arraylocked)
+ if (numverts > mesh_maxverts)
{
- qglUnlockArraysEXT();
- CHECKGLERROR
- arraylocked = false;
+ BACKENDACTIVECHECK
+ GL_Backend_ResizeArrays(numverts + 100);
+ GL_Backend_ResetState();
}
}
+*/
-// enlarges geometry buffers if they are too small
-void _R_Mesh_ResizeCheck(int numverts)
+void GL_Backend_RenumberElements(int numelements, const int *in, int offset)
+{
+ int i;
+ for (i = 0;i < numelements;i++)
+ varray_buf_elements3i[i] = in[i] + offset;
+}
+
+// gets geometry space for a mesh
+void R_Mesh_GetSpace(int numverts)
{
+ int i;
+
+ varray_offset = varray_offsetnext;
+ if (varray_offset + numverts > mesh_maxverts)
+ varray_offset = 0;
if (numverts > mesh_maxverts)
{
BACKENDACTIVECHECK
GL_Backend_ResizeArrays(numverts + 100);
GL_Backend_ResetState();
+ varray_offset = 0;
}
-}
-// renders the mesh
-void R_Mesh_Draw(int numverts, int numtriangles, int *elements)
-{
- BACKENDACTIVECHECK
+ if (varray_offset == 0 && mesh_var)
+ {
+ CHECKGLERROR
+ qglFlushVertexArrayRangeNV();
+ CHECKGLERROR
+ }
- CHECKGLERROR
+ // for debugging
+ //if (!mesh_var)
+ // varray_offset = rand() % (mesh_maxverts - numverts);
+
+ varray_vertex3f = varray_buf_vertex3f + varray_offset * 3;
+ varray_color4f = varray_buf_color4f + varray_offset * 4;
+ varray_color4b = varray_buf_color4b + varray_offset * 4;
+ for (i = 0;i < backendunits;i++)
+ {
+ varray_texcoord3f[i] = varray_buf_texcoord3f[i] + varray_offset * 3;
+ varray_texcoord2f[i] = varray_buf_texcoord2f[i] + varray_offset * 2;
+ }
+
+ varray_offsetnext = varray_offset + numverts;
+}
+// renders the current mesh
+void R_Mesh_Draw(int numverts, int numtriangles, const int *elements)
+{
+ int numelements;
+ if (numtriangles == 0 || numverts == 0)
+ {
+ Con_Printf("R_Mesh_Draw(%d, %d, %08p);\n", numverts, numtriangles, elements);
+ return;
+ }
+ numelements = numtriangles * 3;
+ if (mesh_maxelements < numelements)
+ {
+ mesh_maxelements = numelements;
+ GL_Backend_AllocElementsArray();
+ }
+ GL_Backend_RenumberElements(numelements, elements, varray_offset);
+ c_meshs++;
+ c_meshelements += numelements;
if (gl_state.colorarray && !gl_mesh_floatcolors.integer)
GL_ConvertColorsFloatToByte(numverts);
- if (!r_render.integer)
- return;
- GL_DrawRangeElements(0, numverts, numtriangles * 3, elements);
+ if (r_render.integer)
+ {
+ if (gl_supportslockarrays && gl_lockarrays.integer)
+ {
+ qglLockArraysEXT(varray_offset, numverts);
+ CHECKGLERROR
+ if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
+ {
+ qglDrawRangeElements(GL_TRIANGLES, varray_offset, varray_offset + numverts, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);
+ CHECKGLERROR
+ }
+ else
+ {
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);
+ CHECKGLERROR
+ }
+ qglUnlockArraysEXT();
+ CHECKGLERROR
+ }
+ else
+ {
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);
+ CHECKGLERROR
+ }
+ }
}
// restores backend state, used when done with 3D rendering
{
int i;
BACKENDACTIVECHECK
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglFlushVertexArrayRangeNV();
+ CHECKGLERROR
+ }
+ varray_offset = 0;
for (i = backendunits - 1;i >= 0;i--)
{
if (gl_combine.integer)
{
qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, 1);CHECKGLERROR
+ qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, 1);CHECKGLERROR
}
}
qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
void R_Mesh_TextureState(const rmeshstate_t *m)
{
- int i;
- float rgbscale;
+ int i, combinergb, combinealpha;
+ float scale;
gltextureunit_t *unit;
BACKENDACTIVECHECK
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])
{
- if (gl_state.unit != i)
+ if (m->tex3d[i] || m->texcubemap[i])
{
- qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ if (!unit->arrayis3d)
+ {
+ unit->arrayis3d = true;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ qglTexCoordPointer(3, GL_FLOAT, sizeof(float[3]), varray_buf_texcoord3f[i]);
+ }
+ if (!unit->arrayenabled)
+ {
+ unit->arrayenabled = true;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ qglEnableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
+ }
}
- if (m->tex1d[i] || m->tex[i] || m->tex3d[i] || m->texcubemap[i])
+ else if (m->tex1d[i] || m->tex[i])
{
+ if (unit->arrayis3d)
+ {
+ unit->arrayis3d = false;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), varray_buf_texcoord2f[i]);
+ }
if (!unit->arrayenabled)
{
unit->arrayenabled = true;
}
if (unit->t1d != m->tex1d[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->tex1d[i])
{
if (unit->t1d == 0)
}
if (unit->t2d != m->tex[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->tex[i])
{
if (unit->t2d == 0)
}
if (unit->t3d != m->tex3d[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->tex3d[i])
{
if (unit->t3d == 0)
}
if (unit->tcubemap != m->texcubemap[i])
{
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
if (m->texcubemap[i])
{
if (unit->tcubemap == 0)
qglBindTexture(GL_TEXTURE_CUBE_MAP_ARB, (unit->tcubemap = m->texcubemap[i]));CHECKGLERROR
}
}
- rgbscale = max(m->texrgbscale[i], 1);
- if (gl_state.units[i].rgbscale != rgbscale)
+ combinergb = m->texcombinergb[i];
+ if (!combinergb)
+ combinergb = GL_MODULATE;
+ if (unit->combinergb != combinergb)
+ {
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
+ unit->combinergb = combinergb;
+ if (gl_combine.integer)
+ {
+ qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_RGB_ARB, unit->combinergb);CHECKGLERROR
+ }
+ else
+ {
+ qglTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, unit->combinergb);CHECKGLERROR
+ }
+ }
+ combinealpha = m->texcombinealpha[i];
+ if (!combinealpha)
+ combinealpha = GL_MODULATE;
+ if (unit->combinealpha != combinealpha)
{
if (gl_state.unit != i)
{
qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
}
- qglTexEnvi(GL_TEXTURE_ENV, GL_RGB_SCALE_ARB, (gl_state.units[i].rgbscale = rgbscale));CHECKGLERROR
+ unit->combinealpha = combinealpha;
+ if (gl_combine.integer)
+ {
+ qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR
+ }
+ }
+ scale = max(m->texrgbscale[i], 1);
+ if (gl_state.units[i].rgbscale != scale)
+ {
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
+ 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)
+ {
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
+ }
+ qglTexEnvi(GL_TEXTURE_ENV, GL_ALPHA_SCALE, (gl_state.units[i].alphascale = scale));CHECKGLERROR
}
}
}
qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height)
{
qboolean ret;
- int i;
+ int i, j;
qbyte *buffer;
if (!r_render.integer)
// LordHavoc: compensate for v_overbrightbits when using hardware gamma
if (v_hwgamma.integer)
+ {
for (i = 0;i < width * height * 3;i++)
- buffer[i] <<= v_overbrightbits.integer;
+ {
+ j = buffer[i] << v_overbrightbits.integer;
+ buffer[i] = (qbyte) (bound(0, j, 255));
+ }
+ }
ret = Image_WriteTGARGB_preflipped(filename, width, height, buffer);
{
// clear to black
qglClearColor(0,0,0,0);CHECKGLERROR
+ qglClearDepth(1);CHECKGLERROR
+ if (gl_stencil)
+ {
+ // LordHavoc: we use a stencil centered around 128 instead of 0,
+ // to avoid clamping interfering with strange shadow volume
+ // drawing orders
+ qglClearStencil(128);CHECKGLERROR
+ }
// clear the screen
- qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);CHECKGLERROR
+ qglClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | (gl_stencil ? GL_STENCIL_BUFFER_BIT : 0));CHECKGLERROR
// set dithering mode
if (gl_dither.integer)
{
*/
void SCR_UpdateScreen (void)
{
- VID_Finish ();
+ if (gl_delayfinish.integer)
+ {
+ VID_Finish ();
- R_TimeReport("finish");
+ R_TimeReport("finish");
+ }
if (r_textureunits.integer > gl_textureunits)
Cvar_SetValueQuick(&r_textureunits, gl_textureunits);
// draw 2D stuff
R_DrawQueue();
- // 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 (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();
+ }
+ else
+ {
+ VID_Finish ();
+
+ R_TimeReport("finish");
+ }
+}
+
+// utility functions
+
+void R_Mesh_CopyVertex3f(const float *vertex3f, int numverts)
+{
+ if (mesh_var)
+ {
+ float *out = varray_vertex3f;
+ while (--numverts)
+ {
+ *out++ = *vertex3f++;
+ *out++ = *vertex3f++;
+ *out++ = *vertex3f++;
+ }
+ }
+ else
+ memcpy(varray_vertex3f, vertex3f, numverts * sizeof(float[3]));
+}
+
+void R_Mesh_CopyTexCoord2f(int tmu, const float *texcoord2f, int numverts)
+{
+ if (mesh_var)
+ {
+ float *out = varray_texcoord2f[tmu];
+ while (--numverts)
+ {
+ *out++ = *texcoord2f++;
+ *out++ = *texcoord2f++;
+ }
+ }
+ else
+ memcpy(varray_texcoord2f[tmu], texcoord2f, numverts * sizeof(float[2]));
+}
+
+void R_Mesh_CopyColor4f(const float *color4f, int numverts)
+{
+ if (mesh_var)
+ {
+ float *out = varray_color4f;
+ while (--numverts)
+ {
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ }
+ }
+ else
+ memcpy(varray_color4f, color4f, numverts * sizeof(float[4]));
}
+
projects / xonotic / darkplaces.git / blobdiff