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OpenGL2: Add r_exportCubemaps for saving cubemaps on map load.

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This commit is contained in:
SmileTheory 2015-12-22 05:04:07 -08:00
parent 06feb6115b
commit a6a6162f04
4 changed files with 85 additions and 1 deletions
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37
code/renderergl2/tr_bsp.c
View file

@ -3067,16 +3067,23 @@ void R_AssignCubemapsToWorldSurfaces(void)
}
}
// FIXME: put this function declaration elsewhere
void R_SaveDDS(const char *filename, byte *pic, int width, int height, int depth);
void R_RenderAllCubemaps(void)
{
byte *data = NULL;
int sideSize = CUBE_MAP_SIZE * CUBE_MAP_SIZE * 4;
int i, j;
for (i = 0; i < tr.numCubemaps; i++)
{
tr.cubemaps[i].image = R_CreateImage(va("*cubeMap%d", i), NULL, CUBE_MAP_SIZE, CUBE_MAP_SIZE, IMGTYPE_COLORALPHA, IMGFLAG_NO_COMPRESSION | IMGFLAG_CLAMPTOEDGE | IMGFLAG_MIPMAP | IMGFLAG_CUBEMAP, GL_RGBA8);
}
if (r_exportCubemaps->integer)
data = ri.Malloc(sideSize * 6);
for (i = 0; i < tr.numCubemaps; i++)
{
for (j = 0; j < 6; j++)
@ -3086,6 +3093,34 @@ void R_RenderAllCubemaps(void)
R_IssuePendingRenderCommands();
R_InitNextFrame();
}
if (r_exportCubemaps->integer)
{
char filename[MAX_QPATH];
byte *p;
cubemap_t *cubemap = &tr.cubemaps[i];
// FIXME: do this in backEnd
FBO_Bind(tr.renderCubeFbo);
p = data;
for (j = 0; j < 6; j++)
{
qglFramebufferTexture2DEXT(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, GL_TEXTURE_CUBE_MAP_POSITIVE_X + j, cubemap->image->texnum, 0);
qglReadPixels(0, 0, CUBE_MAP_SIZE, CUBE_MAP_SIZE, GL_RGBA, GL_UNSIGNED_BYTE, p);
p += sideSize;
}
FBO_Bind(NULL);
Com_sprintf(filename, MAX_QPATH, "cubemaps/%s/%03d.dds", tr.world->baseName, backEnd.viewParms.targetFboCubemapIndex);
R_SaveDDS(filename, data, CUBE_MAP_SIZE, CUBE_MAP_SIZE, 6);
}
}
if (r_exportCubemaps->integer)
{
ri.Cvar_Set("r_exportCubemaps", "0");
ri.Free(data);
}
}

45
code/renderergl2/tr_image_dds.c
View file

@ -451,3 +451,48 @@ void R_LoadDDS ( const char *filename, byte **pic, int *width, int *height, GLen
ri.FS_FreeFile(buffer.v);
}
void R_SaveDDS(const char *filename, byte *pic, int width, int height, int depth)
{
byte *data;
ddsHeader_t *ddsHeader;
int picSize, size;
if (!depth)
depth = 1;
picSize = width * height * depth * 4;
size = 4 + sizeof(*ddsHeader) + picSize;
data = ri.Malloc(size);
data[0] = 'D';
data[1] = 'D';
data[2] = 'S';
data[3] = ' ';
ddsHeader = (ddsHeader_t *)(data + 4);
memset(ddsHeader, 0, sizeof(ddsHeader_t));
ddsHeader->headerSize = 0x7c;
ddsHeader->flags = _DDSFLAGS_REQUIRED;
ddsHeader->height = height;
ddsHeader->width = width;
ddsHeader->always_0x00000020 = 0x00000020;
ddsHeader->caps = DDSCAPS_COMPLEX | DDSCAPS_REQUIRED;
if (depth == 6)
ddsHeader->caps2 = DDSCAPS2_CUBEMAP;
ddsHeader->pixelFormatFlags = DDSPF_RGB | DDSPF_ALPHAPIXELS;
ddsHeader->rgbBitCount = 32;
ddsHeader->rBitMask = 0x000000ff;
ddsHeader->gBitMask = 0x0000ff00;
ddsHeader->bBitMask = 0x00ff0000;
ddsHeader->aBitMask = 0xff000000;
Com_Memcpy(data + 4 + sizeof(*ddsHeader), pic, picSize);
ri.FS_WriteFile(filename, data, size);
ri.Free(data);
}

3
code/renderergl2/tr_init.c
View file

@ -142,6 +142,7 @@ cvar_t *r_specularMapping;
cvar_t *r_deluxeMapping;
cvar_t *r_parallaxMapping;
cvar_t *r_cubeMapping;
cvar_t *r_exportCubemaps;
cvar_t *r_specularIsMetallic;
cvar_t *r_glossIsRoughness;
cvar_t *r_baseNormalX;
@ -455,6 +456,7 @@ byte *RB_ReadPixels(int x, int y, int width, int height, size_t *offset, int *pa
buffer = ri.Hunk_AllocateTempMemory(padwidth * height + *offset + packAlign - 1);
bufstart = PADP((intptr_t) buffer + *offset, packAlign);
qglReadPixels(x, y, width, height, GL_RGB, GL_UNSIGNED_BYTE, bufstart);
*offset = bufstart - buffer;
@ -1213,6 +1215,7 @@ void R_Register( void )
r_deluxeMapping = ri.Cvar_Get( "r_deluxeMapping", "1", CVAR_ARCHIVE | CVAR_LATCH );
r_parallaxMapping = ri.Cvar_Get( "r_parallaxMapping", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_cubeMapping = ri.Cvar_Get( "r_cubeMapping", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_exportCubemaps = ri.Cvar_Get("r_exportCubemaps", "0", 0);
r_specularIsMetallic = ri.Cvar_Get( "r_specularIsMetallic", "0", CVAR_ARCHIVE | CVAR_LATCH );
r_glossIsRoughness = ri.Cvar_Get("r_glossIsRoughness", "0", CVAR_ARCHIVE | CVAR_LATCH);
r_baseNormalX = ri.Cvar_Get( "r_baseNormalX", "1.0", CVAR_ARCHIVE | CVAR_LATCH );

1
code/renderergl2/tr_local.h
View file

@ -1792,6 +1792,7 @@ extern cvar_t *r_specularMapping;
extern cvar_t *r_deluxeMapping;
extern cvar_t *r_parallaxMapping;
extern cvar_t *r_cubeMapping;
extern cvar_t *r_exportCubemaps;
extern cvar_t *r_specularIsMetallic;
extern cvar_t *r_glossIsRoughness;
extern cvar_t *r_baseNormalX;