#include "quakedef.h"
#include "image.h"
+#include "jpeg.h"
-cvar_t gl_mesh_maxverts = {0, "gl_mesh_maxverts", "1024"};
+//#define MESH_VAR
+#define MESH_BATCH
+
+// 65536 is the max addressable on a Geforce 256 up until Geforce3
+// (excluding MX), seems a reasonable number...
+cvar_t gl_mesh_maxverts = {0, "gl_mesh_maxverts", "65536"};
cvar_t gl_mesh_floatcolors = {0, "gl_mesh_floatcolors", "1"};
cvar_t gl_mesh_drawrangeelements = {0, "gl_mesh_drawrangeelements", "1"};
+#ifdef MESH_VAR
+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"};
+#endif
+#ifdef MESH_BATCH
+cvar_t gl_mesh_batching = {0, "gl_mesh_batching", "1"};
+#endif
+cvar_t gl_mesh_copyarrays = {0, "gl_mesh_copyarrays", "1"};
cvar_t gl_delayfinish = {CVAR_SAVE, "gl_delayfinish", "0"};
cvar_t r_render = {0, "r_render", "1"};
// 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_buf_color4b;
int mesh_maxverts;
+#ifdef MESH_VAR
+int mesh_var;
+float mesh_var_readfrequency;
+float mesh_var_writefrequency;
+float mesh_var_priority;
+#endif
+int varray_offset = 0, varray_offsetnext = 0;
+GLuint *varray_buf_elements3i;
+int mesh_maxelements = 32768;
+#ifdef MESH_BATCH
+int gl_batchvertexfirst = 0;
+int gl_batchvertexcount = 0;
+int gl_batchelementcount = 0;
+#endif
static matrix4x4_t backend_viewmatrix;
static matrix4x4_t backend_modelmatrix;
static matrix4x4_t backend_projectmatrix;
static int backendunits, backendactive;
-static qbyte *varray_bcolor;
static mempool_t *gl_backend_mempool;
/*
*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)
+{
+ if (gl_mesh_maxverts.integer < 1024)
+ Cvar_SetValueQuick(&gl_mesh_maxverts, 1024);
+ if (gl_mesh_maxverts.integer > 65536)
+ Cvar_SetValueQuick(&gl_mesh_maxverts, 65536);
+#ifdef MESH_VAR
+ 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);
+#endif
+}
+
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");
+ if (varray_buf_vertex3f)
+#ifdef MESH_VAR
+ VID_FreeVertexArrays(varray_buf_vertex3f);
+#else
+ Mem_Free(varray_buf_vertex3f);
+#endif
+ 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;
+
+ mesh_maxverts = gl_mesh_maxverts.integer;
+ size = mesh_maxverts * (sizeof(float[3]) + sizeof(float[4]) + sizeof(qbyte[4]) + (sizeof(float[3]) + sizeof(float[2])) * backendunits);
+#ifdef MESH_VAR
+ mesh_var = gl_mesh_vertex_array_range.integer && gl_support_var;
+ 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;
+ 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);
+#else
+ data = Mem_Alloc(gl_backend_mempool, size);
+#endif
- 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]));
+ 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();
+
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglVertexArrayRangeNV(size, varray_buf_vertex3f);
+ CHECKGLERROR
+ }
+#endif
}
-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;
+
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglDisableClientState(GL_VERTEX_ARRAY_RANGE_NV);
+ CHECKGLERROR
+ }
+#endif
+
+ if (varray_buf_vertex3f)
+#ifdef MESH_VAR
+ VID_FreeVertexArrays(varray_buf_vertex3f);
+#else
+ Mem_Free(varray_buf_vertex3f);
+#endif
+ 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);
GL_Backend_AllocArrays();
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglEnableClientState(GL_VERTEX_ARRAY_RANGE_NV);
+ CHECKGLERROR
+ }
+#endif
+ varray_offset = varray_offsetnext = 0;
+#ifdef MESH_BATCH
+ gl_batchvertexfirst = 0;
+ gl_batchvertexcount = 0;
+ gl_batchelementcount = 0;
+#endif
+
backendactive = true;
}
Con_Printf("OpenGL Backend shutting down\n");
- GL_Backend_FreeArrays(false);
-}
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglDisableClientState(GL_VERTEX_ARRAY_RANGE_NV);
+ CHECKGLERROR
+ }
+#endif
-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_mesh_maxverts);
Cvar_RegisterVariable(&gl_mesh_floatcolors);
Cvar_RegisterVariable(&gl_mesh_drawrangeelements);
- GL_Backend_CheckCvars();
+#ifdef MESH_VAR
+ 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);
+#endif
+#ifdef MESH_BATCH
+ Cvar_RegisterVariable(&gl_mesh_batching);
+#endif
+ Cvar_RegisterVariable(&gl_mesh_copyarrays);
R_RegisterModule("GL_Backend", gl_backend_start, gl_backend_shutdown, gl_backend_newmap);
}
typedef struct gltextureunit_s
{
int t1d, t2d, t3d, tcubemap;
- int arrayenabled;
+ int arrayenabled, arrayis3d;
+ void *pointer_texcoord;
float rgbscale, alphascale;
int combinergb, combinealpha;
// FIXME: add more combine stuff
int clientunit;
gltextureunit_t units[MAX_TEXTUREUNITS];
int colorarray;
+ float color4f[4];
+ int lockrange_first;
+ int lockrange_count;
+ int pointervertexcount;
+ void *pointer_vertex;
+ void *pointer_color;
}
gl_state;
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;
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
- }
+ 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)
gl_state.blend = false;
gl_state.depthmask = GL_TRUE;
gl_state.colorarray = false;
+ 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.pointervertexcount = 0;
+ gl_state.pointer_vertex = NULL;
+ gl_state.pointer_color = NULL;
+ CHECKGLERROR
qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
qglDisableClientState(GL_VERTEX_ARRAY);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]), 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(0, 0, 0, 0);
GL_Color(1, 1, 1, 1);
GL_SetupTextureState();
{
if (!gl_state.colorarray)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
gl_state.colorarray = true;
qglEnableClientState(GL_COLOR_ARRAY);CHECKGLERROR
}
{
if (gl_state.colorarray)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
gl_state.colorarray = false;
qglDisableClientState(GL_COLOR_ARRAY);CHECKGLERROR
+ gl_state.color4f[0] = cr;
+ gl_state.color4f[1] = cg;
+ gl_state.color4f[2] = cb;
+ gl_state.color4f[3] = ca;
+ qglColor4f(cr, cg, cb, ca);
+ }
+ else
+ {
+ if (gl_state.color4f[0] != cr || gl_state.color4f[1] != cg || gl_state.color4f[2] != cb || gl_state.color4f[3] != ca)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ gl_state.color4f[0] = cr;
+ gl_state.color4f[1] = cg;
+ gl_state.color4f[2] = cb;
+ gl_state.color4f[3] = ca;
+ qglColor4f(cr, cg, cb, ca);
+ }
+ }
+}
+
+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)
+ {
+ gl_state.lockrange_first = first;
+ gl_state.lockrange_count = count;
+ CHECKGLERROR
+ qglLockArraysEXT(first, count);
+ CHECKGLERROR
+ }
}
- qglColor4f(cr, cg, cb, ca);
}
void GL_TransformToScreen(const vec4_t in, vec4_t out)
CHECKGLERROR
GL_Backend_CheckCvars();
- if (mesh_maxverts != gl_mesh_maxverts.integer)
+ if (mesh_maxverts != gl_mesh_maxverts.integer
+#ifdef MESH_VAR
+ || mesh_var != (gl_mesh_vertex_array_range.integer && gl_support_var)
+ || 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
+#endif
+ )
GL_Backend_ResizeArrays(gl_mesh_maxverts.integer);
GL_Backend_ResetState();
+#ifdef MESH_VAR
+ if (!mesh_var)
+ {
+ gl_batchvertexfirst = gl_batchvertexcount = gl_batchelementcount = 0;
+ varray_offset = varray_offsetnext = 0;
+ }
+#else
+ varray_offset = varray_offsetnext = 0;
+#endif
}
int gl_backend_rebindtextures;
-void GL_ConvertColorsFloatToByte(int numverts)
+void GL_ConvertColorsFloatToByte(int first, int count)
{
- 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;
+ int i, k;
+ union {float f[4];int i[4];} *color4fi;
+ struct {GLubyte c[4];} *color4b;
// shift float to have 8bit fraction at base of number
- fcolor = varray_color;
- for (i = 0;i < total;)
+ color4fi = (void *)(varray_buf_color4f + first * 4);
+ for (i = 0;i < count;i++, color4fi++)
{
- fcolor[i ] += 32768.0f;
- fcolor[i + 1] += 32768.0f;
- fcolor[i + 2] += 32768.0f;
- fcolor[i + 3] += 32768.0f;
- i += 4;
+ color4fi->f[0] += 32768.0f;
+ color4fi->f[1] += 32768.0f;
+ color4fi->f[2] += 32768.0f;
+ color4fi->f[3] += 32768.0f;
}
// then read as integer and kill float bits...
- icolor = (int *)varray_color;
- bcolor = varray_bcolor;
- for (i = 0;i < total;)
+ color4fi = (void *)(varray_buf_color4f + first * 4);
+ color4b = (void *)(varray_buf_color4b + first * 4);
+ for (i = 0;i < count;i++, color4fi++, color4b++)
{
- 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;
+ k = color4fi->i[0] & 0x7FFFFF;color4b->c[0] = (GLubyte) min(k, 255);
+ k = color4fi->i[1] & 0x7FFFFF;color4b->c[1] = (GLubyte) min(k, 255);
+ k = color4fi->i[2] & 0x7FFFFF;color4b->c[2] = (GLubyte) min(k, 255);
+ k = color4fi->i[3] & 0x7FFFFF;color4b->c[3] = (GLubyte) min(k, 255);
}
}
+/*
// enlarges geometry buffers if they are too small
void _R_Mesh_ResizeCheck(int numverts)
{
GL_Backend_ResetState();
}
}
+*/
-// renders the mesh
+void R_Mesh_EndBatch(void)
+{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ {
+ if (gl_state.pointervertexcount)
+ Host_Error("R_Mesh_EndBatch: called with pointers enabled\n");
+
+ if (gl_state.colorarray && !gl_mesh_floatcolors.integer && gl_state.pointer_color == NULL)
+ GL_ConvertColorsFloatToByte(gl_batchvertexfirst, gl_batchvertexcount);
+ if (r_render.integer)
+ {
+ //int i;for (i = 0;i < gl_batchelementcount;i++) if (varray_buf_elements3i[i] < gl_batchvertexfirst || varray_buf_elements3i[i] >= (gl_batchvertexfirst + gl_batchvertexcount)) Host_Error("R_Mesh_EndBatch: invalid element #%i (value %i) outside range %i-%i\n", i, varray_buf_elements3i[i], gl_batchvertexfirst, gl_batchvertexfirst + gl_batchvertexcount);
+ CHECKGLERROR
+ GL_LockArrays(gl_batchvertexfirst, gl_batchvertexcount);
+ if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
+ {
+ qglDrawRangeElements(GL_TRIANGLES, gl_batchvertexfirst, gl_batchvertexfirst + gl_batchvertexcount, gl_batchelementcount, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);CHECKGLERROR
+ }
+ else
+ {
+ qglDrawElements(GL_TRIANGLES, gl_batchelementcount, GL_UNSIGNED_INT, (const GLuint *) varray_buf_elements3i);CHECKGLERROR
+ }
+ GL_LockArrays(0, 0);
+ }
+ gl_batchelementcount = 0;
+ gl_batchvertexcount = 0;
+ }
+#endif
+}
+
+void GL_Backend_RenumberElements(int *out, int count, const int *in, int offset)
+{
+ int i;
+ //if (offset)
+ for (i = 0;i < count;i++)
+ *out++ = *in++ + offset;
+ //else
+ // memcpy(out, in, sizeof(*out) * count);
+}
+
+// gets vertex buffer space for use with a following R_Mesh_Draw
+// (can be multiple Draw calls per GetSpace)
+void R_Mesh_GetSpace(int numverts)
+{
+ int i;
+
+ if (gl_state.pointervertexcount)
+ Host_Error("R_Mesh_GetSpace: called with pointers enabled\n");
+ if (gl_state.lockrange_count)
+ Host_Error("R_Mesh_GetSpace: called with arrays locked\n");
+
+ varray_offset = varray_offsetnext;
+ if (varray_offset + numverts > mesh_maxverts)
+ {
+ //Con_Printf("R_Mesh_GetSpace: vertex buffer wrap\n");
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ varray_offset = 0;
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ CHECKGLERROR
+ qglFlushVertexArrayRangeNV();
+ CHECKGLERROR
+ }
+#endif
+ if (numverts > mesh_maxverts)
+ {
+ GL_Backend_ResizeArrays(numverts + 100);
+ GL_Backend_ResetState();
+ }
+ }
+
+/*
+#ifdef MESH_BATCH
+ if (gl_mesh_batching.integer)
+ {
+ if (gl_batchvertexcount == 0)
+ gl_batchvertexfirst = varray_offset;
+ gl_batchvertexcount += numverts;
+ }
+#endif
+*/
+ varray_vertex3f = varray_buf_vertex3f + varray_offset * 3;
+ varray_color4f = varray_buf_color4f + 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 triangles using vertices from the most recent GetSpace call
+// (can be multiple Draw calls per GetSpace)
void R_Mesh_Draw(int numverts, int numtriangles, const int *elements)
{
- int numelements;
+ int numelements = numtriangles * 3;
if (numtriangles == 0 || numverts == 0)
{
Con_Printf("R_Mesh_Draw(%d, %d, %08p);\n", numverts, numtriangles, elements);
return;
}
- numelements = numtriangles * 3;
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)
+ CHECKGLERROR
+ if (gl_state.pointervertexcount)
{
- 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();
- CHECKGLERROR
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ if (r_render.integer)
+ {
+ GL_LockArrays(0, gl_state.pointervertexcount);
+ if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
+ {
+ qglDrawRangeElements(GL_TRIANGLES, 0, gl_state.pointervertexcount, numelements, GL_UNSIGNED_INT, elements);CHECKGLERROR
+ }
+ else
+ {
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, elements);CHECKGLERROR
+ }
+ GL_LockArrays(0, 0);
+ }
+ }
+#ifdef MESH_BATCH
+ else if (gl_mesh_batching.integer)
+ {
+ if (mesh_maxelements < gl_batchelementcount + numelements)
+ {
+ //Con_Printf("R_Mesh_Draw: enlarging elements array\n");
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+ // round up to a multiple of 1024 and add another 1024 just for good measure
+ mesh_maxelements = (gl_batchelementcount + numelements + 1024 + 1023) & ~1023;
+ GL_Backend_AllocElementsArray();
+ }
+ if (varray_offset < gl_batchvertexfirst && gl_batchelementcount)
+ R_Mesh_EndBatch();
+ if (gl_batchelementcount == 0)
+ {
+ gl_batchvertexfirst = varray_offset;
+ gl_batchvertexcount = 0;
+ }
+ if (gl_batchvertexcount < varray_offsetnext - gl_batchvertexfirst)
+ gl_batchvertexcount = varray_offsetnext - gl_batchvertexfirst;
+ GL_Backend_RenumberElements(varray_buf_elements3i + gl_batchelementcount, numelements, elements, varray_offset);
+ //Con_Printf("off %i:%i, vertex %i:%i, element %i:%i\n", varray_offset, varray_offsetnext, gl_batchvertexfirst, gl_batchvertexfirst + gl_batchvertexcount, gl_batchelementcount, gl_batchelementcount + numelements);
+ gl_batchelementcount += numelements;
+ //{int i;for (i = 0;i < gl_batchelementcount;i++) if (varray_buf_elements3i[i] < gl_batchvertexfirst || varray_buf_elements3i[i] >= (gl_batchvertexfirst + gl_batchvertexcount)) Host_Error("R_Mesh_EndBatch: invalid element #%i (value %i) outside range %i-%i, there were previously %i elements and there are now %i elements, varray_offset is %i\n", i, varray_buf_elements3i[i], gl_batchvertexfirst, gl_batchvertexfirst + gl_batchvertexcount, gl_batchelementcount - numelements, gl_batchelementcount, varray_offset);}
}
+#endif
else
{
- qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, (const GLuint *) elements);
- CHECKGLERROR
+ GL_Backend_RenumberElements(varray_buf_elements3i, numelements, elements, varray_offset);
+ if (r_render.integer)
+ {
+ GL_LockArrays(varray_offset, numverts);
+ if (gl_mesh_drawrangeelements.integer && qglDrawRangeElements != NULL)
+ {
+ qglDrawRangeElements(GL_TRIANGLES, varray_offset, varray_offset + numverts, numelements, GL_UNSIGNED_INT, varray_buf_elements3i);CHECKGLERROR
+ }
+ else
+ {
+ qglDrawElements(GL_TRIANGLES, numelements, GL_UNSIGNED_INT, varray_buf_elements3i);CHECKGLERROR
+ }
+ GL_LockArrays(0, 0);
+ }
}
}
{
int i;
BACKENDACTIVECHECK
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ GL_LockArrays(0, 0);
for (i = backendunits - 1;i >= 0;i--)
{
{
if (memcmp(matrix, &backend_modelmatrix, sizeof(matrix4x4_t)))
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
backend_modelmatrix = *matrix;
Matrix4x4_Concat(&backend_modelviewmatrix, &backend_viewmatrix, matrix);
Matrix4x4_Transpose(&backend_glmodelviewmatrix, &backend_modelviewmatrix);
// sets up the requested state
void R_Mesh_MainState(const rmeshstate_t *m)
{
+ void *p;
BACKENDACTIVECHECK
if (gl_state.blendfunc1 != m->blendfunc1 || gl_state.blendfunc2 != m->blendfunc2)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
qglBlendFunc(gl_state.blendfunc1 = m->blendfunc1, gl_state.blendfunc2 = m->blendfunc2);CHECKGLERROR
if (gl_state.blendfunc2 == GL_ZERO)
{
}
if (gl_state.depthdisable != m->depthdisable)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
gl_state.depthdisable = m->depthdisable;
if (gl_state.depthdisable)
qglDisable(GL_DEPTH_TEST);
}
if (gl_state.depthmask != (m->blendfunc2 == GL_ZERO || m->depthwrite))
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
qglDepthMask(gl_state.depthmask = (m->blendfunc2 == GL_ZERO || m->depthwrite));CHECKGLERROR
}
+
+ if (gl_state.pointervertexcount != m->pointervertexcount)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ gl_state.pointervertexcount = m->pointervertexcount;
+ }
+
+ p = gl_state.pointervertexcount ? m->pointer_vertex : NULL;
+ if (gl_state.pointer_vertex != p)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ gl_state.pointer_vertex = p;
+ qglVertexPointer(3, GL_FLOAT, sizeof(float[3]), p ? p : varray_buf_vertex3f);CHECKGLERROR
+ }
+
+ if (gl_state.colorarray)
+ {
+ p = gl_state.pointervertexcount ? m->pointer_color : NULL;
+ if (gl_state.pointer_color != p)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ gl_state.pointer_color = p;
+ if (p != varray_buf_color4f || gl_mesh_floatcolors.integer)
+ qglColorPointer(4, GL_FLOAT, sizeof(float[4]), p ? p : varray_buf_color4f);
+ else
+ qglColorPointer(4, GL_UNSIGNED_BYTE, sizeof(GLubyte[4]), p ? p : varray_buf_color4b);
+ CHECKGLERROR
+ }
+ }
}
void R_Mesh_TextureState(const rmeshstate_t *m)
int i, combinergb, combinealpha;
float scale;
gltextureunit_t *unit;
+ void *p;
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)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
unit->arrayenabled = true;
if (gl_state.clientunit != i)
{
{
if (unit->arrayenabled)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
unit->arrayenabled = false;
if (gl_state.clientunit != i)
{
qglDisableClientState(GL_TEXTURE_COORD_ARRAY);CHECKGLERROR
}
}
- combinergb = m->texcombinergb[i];
- combinealpha = m->texcombinealpha[i];
- if (!combinergb)
- combinergb = GL_MODULATE;
- if (!combinealpha)
- combinealpha = GL_MODULATE;
- if (unit->combinergb != combinergb)
- {
- 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
- }
- }
- if (unit->combinealpha != combinealpha)
+ if (unit->t1d != m->tex1d[i])
{
- unit->combinealpha = combinealpha;
- if (gl_combine.integer)
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ if (gl_state.unit != i)
{
- qglTexEnvi(GL_TEXTURE_ENV, GL_COMBINE_ALPHA_ARB, unit->combinealpha);CHECKGLERROR
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
}
- }
- if (unit->t1d != m->tex1d[i])
- {
if (m->tex1d[i])
{
if (unit->t1d == 0)
}
if (unit->t2d != m->tex[i])
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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])
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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])
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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
}
}
+ combinergb = m->texcombinergb[i];
+ if (!combinergb)
+ combinergb = GL_MODULATE;
+ if (unit->combinergb != combinergb)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ 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)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ if (gl_state.unit != i)
+ {
+ qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));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)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
if (gl_state.unit != i)
{
qglActiveTexture(GL_TEXTURE0_ARB + (gl_state.unit = i));CHECKGLERROR
scale = max(m->texalphascale[i], 1);
if (gl_state.units[i].alphascale != scale)
{
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
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
}
+ if (unit->arrayenabled)
+ {
+ p = gl_state.pointervertexcount ? m->pointer_texcoord[i] : NULL;
+ if (unit->pointer_texcoord != p)
+ {
+#ifdef MESH_BATCH
+ if (gl_batchelementcount)
+ R_Mesh_EndBatch();
+#endif
+ unit->pointer_texcoord = p;
+ if (gl_state.clientunit != i)
+ {
+ qglClientActiveTexture(GL_TEXTURE0_ARB + (gl_state.clientunit = i));CHECKGLERROR
+ }
+ if (unit->arrayis3d)
+ qglTexCoordPointer(3, GL_FLOAT, sizeof(float[3]), p ? p : varray_buf_texcoord3f[i]);
+ else
+ qglTexCoordPointer(2, GL_FLOAT, sizeof(float[2]), p ? p : varray_buf_texcoord2f[i]);
+ CHECKGLERROR
+ }
+ }
}
}
==============================================================================
*/
-qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height)
+qboolean SCR_ScreenShot(char *filename, int x, int y, int width, int height, qboolean jpeg)
{
qboolean ret;
int i, j;
}
}
- ret = Image_WriteTGARGB_preflipped(filename, width, height, buffer);
+ if (jpeg)
+ ret = JPEG_SaveImage_preflipped (filename, width, height, buffer);
+ else
+ ret = Image_WriteTGARGB_preflipped (filename, width, height, buffer);
Mem_Free(buffer);
return ret;
}
}
+// utility functions
+
+void R_Mesh_CopyVertex3f(const float *vertex3f, int numverts)
+{
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ float *out = varray_vertex3f;
+ while (--numverts)
+ {
+ *out++ = *vertex3f++;
+ *out++ = *vertex3f++;
+ *out++ = *vertex3f++;
+ }
+ }
+ else
+#endif
+ memcpy(varray_vertex3f, vertex3f, numverts * sizeof(float[3]));
+}
+
+void R_Mesh_CopyTexCoord2f(int tmu, const float *texcoord2f, int numverts)
+{
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ float *out = varray_texcoord2f[tmu];
+ while (--numverts)
+ {
+ *out++ = *texcoord2f++;
+ *out++ = *texcoord2f++;
+ }
+ }
+ else
+#endif
+ memcpy(varray_texcoord2f[tmu], texcoord2f, numverts * sizeof(float[2]));
+}
+
+void R_Mesh_CopyColor4f(const float *color4f, int numverts)
+{
+#ifdef MESH_VAR
+ if (mesh_var)
+ {
+ float *out = varray_color4f;
+ while (--numverts)
+ {
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ *out++ = *color4f++;
+ }
+ }
+ else
+#endif
+ memcpy(varray_color4f, color4f, numverts * sizeof(float[4]));
+}
+
projects / xonotic / darkplaces.git / blobdiff