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Send R_GenerateBlendTables number crunch to parallel thread

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This commit is contained in:
James R 2021-12-15 15:34:51 -08:00
parent de2eab5e7a
commit 29399f6033
3 changed files with 35 additions and 10 deletions
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3
src/d_main.c
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@ -1417,6 +1417,9 @@ void D_SRB2Main(void)
// setup loading screen
SCR_Startup();
// Do this in background; lots of number crunching
R_InitTranslucencyTables();
CON_SetLoadingProgress(LOADED_ISTARTUPGRAPHICS);
CONS_Printf("HU_Init()...\n");

40
src/r_draw.c
View file

@ -26,6 +26,7 @@
#include "z_zone.h"
#include "console.h" // Until buffering gets finished
#include "k_color.h" // SRB2kart
#include "i_threads.h"
#ifdef HWRENDER
#include "hardware/hw_main.h"
@ -192,6 +193,29 @@ CV_PossibleValue_t Followercolor_cons_t[MAXSKINCOLORS+3]; // +3 to account for "
#define TRANSTAB_AMTMUL10 (255.0f / 10.0f)
static void R_AllocateBlendTables(void)
{
INT32 i;
for (i = 0; i < NUMBLENDMAPS; i++)
{
if (i == blendtab_modulate)
continue;
blendtables[i] = Z_MallocAlign((NUMTRANSTABLES + 1) * 0x10000, PU_STATIC, NULL, 16);
}
// Modulation blending only requires a single table
blendtables[blendtab_modulate] = Z_MallocAlign(0x10000, PU_STATIC, NULL, 16);
}
#ifdef HAVE_THREADS
static void R_GenerateBlendTables_Thread(void *userdata)
{
(void)userdata;
R_GenerateBlendTables();
}
#endif
/** \brief Initializes the translucency tables used by the Software renderer.
*/
void R_InitTranslucencyTables(void)
@ -212,20 +236,20 @@ void R_InitTranslucencyTables(void)
W_ReadLump(W_GetNumForName("TRANS80"), transtables+0x70000);
W_ReadLump(W_GetNumForName("TRANS90"), transtables+0x80000);
R_AllocateBlendTables();
#ifdef HAVE_THREADS
I_spawn_thread("blend-tables",
R_GenerateBlendTables_Thread, NULL);
#else
R_GenerateBlendTables();
#endif
}
void R_GenerateBlendTables(void)
{
INT32 i;
for (i = 0; i < NUMBLENDMAPS; i++)
{
if (i == blendtab_modulate)
continue;
blendtables[i] = Z_MallocAlign((NUMTRANSTABLES + 1) * 0x10000, PU_STATIC, NULL, 16);
}
for (i = 0; i <= 9; i++)
{
const size_t offs = (0x10000 * i);
@ -236,8 +260,6 @@ void R_GenerateBlendTables(void)
R_GenerateTranslucencyTable(blendtables[blendtab_reversesubtract] + offs, AST_REVERSESUBTRACT, alpha);
}
// Modulation blending only requires a single table
blendtables[blendtab_modulate] = Z_MallocAlign(0x10000, PU_STATIC, NULL, 16);
R_GenerateTranslucencyTable(blendtables[blendtab_modulate], AST_MODULATE, 0);
}

2
src/r_main.c
View file

@ -1137,7 +1137,7 @@ void R_Init(void)
R_InitLightTables();
//I_OutputMsg("\nR_InitTranslucencyTables\n");
R_InitTranslucencyTables();
//R_InitTranslucencyTables();
R_InitDrawNodes();