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project64/Source/Project64-video/FBtoScreen.cpp

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// Project64 - A Nintendo 64 emulator
// http://www.pj64-emu.com/
// Copyright(C) 2001-2021 Project64
// Copyright(C) 2003-2009 Sergey 'Gonetz' Lipski
// Copyright(C) 2002 Dave2001
// GNU/GPLv2 licensed: https://gnu.org/licenses/gpl-2.0.html
#include <Project64-video/Renderer/Renderer.h>
#include "Gfx_1.3.h"
#include "FBtoScreen.h"
#include "TexCache.h"
#include <Project64-video/trace.h>
static gfxChipID_t SetupFBtoScreenCombiner(uint32_t texture_size, uint32_t opaque)
{
gfxChipID_t tmu;
if (voodoo.tmem_ptr[GFX_TMU0] + texture_size < voodoo.tex_max_addr[0])
{
tmu = GFX_TMU0;
gfxTexCombine(GFX_TMU1, GFX_COMBINE_FUNCTION_NONE, GFX_COMBINE_FACTOR_NONE, GFX_COMBINE_FUNCTION_NONE, GFX_COMBINE_FACTOR_NONE, false, false);
gfxTexCombine(GFX_TMU0, GFX_COMBINE_FUNCTION_LOCAL, GFX_COMBINE_FACTOR_NONE, GFX_COMBINE_FUNCTION_LOCAL, GFX_COMBINE_FACTOR_NONE, false, false);
}
else
{
if (voodoo.tmem_ptr[GFX_TMU1] + texture_size >= voodoo.tex_max_addr[1])
ClearCache();
tmu = GFX_TMU1;
gfxTexCombine(GFX_TMU1,
GFX_COMBINE_FUNCTION_LOCAL,
GFX_COMBINE_FACTOR_NONE,
GFX_COMBINE_FUNCTION_LOCAL,
GFX_COMBINE_FACTOR_NONE,
false,
false);
gfxTexCombine(GFX_TMU0,
GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
false,
false);
}
gfxTextureFilterMode_t filter = (rdp.filter_mode != 2) ? GFX_TEXTUREFILTER_POINT_SAMPLED : GFX_TEXTUREFILTER_BILINEAR;
gfxTexFilterMode(tmu, filter, filter);
gfxTexClampMode(tmu,
GFX_TEXTURECLAMP_CLAMP,
GFX_TEXTURECLAMP_CLAMP);
// gfxConstantColorValue (0xFFFFFFFF);
gfxColorCombine(GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
GFX_COMBINE_LOCAL_NONE,
GFX_COMBINE_OTHER_TEXTURE,
// GFX_COMBINE_OTHER_CONSTANT,
false);
gfxAlphaCombine(GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
GFX_COMBINE_LOCAL_NONE,
GFX_COMBINE_OTHER_TEXTURE,
false);
if (opaque)
{
gfxAlphaTestFunction(GFX_CMP_ALWAYS);
gfxAlphaBlendFunction(GFX_BLEND_ONE,
GFX_BLEND_ZERO,
GFX_BLEND_ONE,
GFX_BLEND_ZERO);
}
else
{
gfxAlphaBlendFunction(GFX_BLEND_SRC_ALPHA,
GFX_BLEND_ONE_MINUS_SRC_ALPHA,
GFX_BLEND_ONE,
GFX_BLEND_ZERO);
}
gfxDepthBufferFunction(GFX_CMP_ALWAYS);
gfxCullMode(GFX_CULL_DISABLE);
gfxDepthMask(false);
rdp.update |= UPDATE_COMBINE | UPDATE_ZBUF_ENABLED | UPDATE_CULL_MODE;
return tmu;
}
static void DrawRE2Video(FB_TO_SCREEN_INFO & fb_info, float scale)
{
float scale_y = (float)fb_info.width / rdp.vi_height;
float height = g_scr_res_x / scale_y;
float ul_x = 0.5f;
float ul_y = (g_scr_res_y - height) / 2.0f;
float lr_y = g_scr_res_y - ul_y - 1.0f;
float lr_x = g_scr_res_x - 1.0f;
float lr_u = (fb_info.width - 1)*scale;
float lr_v = (fb_info.height - 1)*scale;
gfxVERTEX v[4] = {
{ ul_x, ul_y, 1, 1, 0.5f, 0.5f, 0.5f, 0.5f, { 0.5f, 0.5f, 0.5f, 0.5f } },
{ lr_x, ul_y, 1, 1, lr_u, 0.5f, lr_u, 0.5f, { lr_u, 0.5f, lr_u, 0.5f } },
{ ul_x, lr_y, 1, 1, 0.5f, lr_v, 0.5f, lr_v, { 0.5f, lr_v, 0.5f, lr_v } },
{ lr_x, lr_y, 1, 1, lr_u, lr_v, lr_u, lr_v, { lr_u, lr_v, lr_u, lr_v } }
};
gfxDrawTriangle(&v[0], &v[2], &v[1]);
gfxDrawTriangle(&v[2], &v[3], &v[1]);
}
static void DrawRE2Video256(FB_TO_SCREEN_INFO & fb_info)
{
WriteTrace(TraceRDP, TraceDebug, "DrawRE2Video256. ul_x=%d, ul_y=%d, lr_x=%d, lr_y=%d, size=%d, addr=%08lx", fb_info.ul_x, fb_info.ul_y, fb_info.lr_x, fb_info.lr_y, fb_info.size, fb_info.addr);
uint32_t * src = (uint32_t*)(gfx.RDRAM + fb_info.addr);
gfxTexInfo t_info;
t_info.smallLodLog2 = GFX_LOD_LOG2_256;
t_info.largeLodLog2 = GFX_LOD_LOG2_256;
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_1x1;
uint16_t * tex = (uint16_t*)texture_buffer;
uint16_t * dst = tex;
uint32_t col;
uint8_t r, g, b;
fb_info.height = minval(256, fb_info.height);
for (uint32_t h = 0; h < fb_info.height; h++)
{
for (uint32_t w = 0; w < 256; w++)
{
col = *(src++);
r = (uint8_t)((col >> 24) & 0xFF);
r = (uint8_t)((float)r / 255.0f * 31.0f);
g = (uint8_t)((col >> 16) & 0xFF);
g = (uint8_t)((float)g / 255.0f * 63.0f);
b = (uint8_t)((col >> 8) & 0xFF);
b = (uint8_t)((float)b / 255.0f * 31.0f);
*(dst++) = (r << 11) | (g << 5) | b;
}
src += (fb_info.width - 256);
}
t_info.format = GFX_TEXFMT_RGB_565;
t_info.data = tex;
gfxChipID_t tmu = SetupFBtoScreenCombiner(gfxTexTextureMemRequired(GFX_MIPMAPLEVELMASK_BOTH, &t_info), fb_info.opaque);
gfxTexDownloadMipMap(tmu,
voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu],
GFX_MIPMAPLEVELMASK_BOTH,
&t_info);
gfxTexSource(tmu,
voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu],
GFX_MIPMAPLEVELMASK_BOTH,
&t_info);
DrawRE2Video(fb_info, 1.0f);
}
static void DrawFrameBufferToScreen256(FB_TO_SCREEN_INFO & fb_info)
{
if (g_settings->hacks(CSettings::hack_RE2))
{
DrawRE2Video256(fb_info);
return;
}
WriteTrace(TraceRDP, TraceDebug, "DrawFrameBufferToScreen256. ul_x=%d, ul_y=%d, lr_x=%d, lr_y=%d, size=%d, addr=%08lx", fb_info.ul_x, fb_info.ul_y, fb_info.lr_x, fb_info.lr_y, fb_info.size, fb_info.addr);
uint32_t width = fb_info.lr_x - fb_info.ul_x + 1;
uint32_t height = fb_info.lr_y - fb_info.ul_y + 1;
gfxTexInfo t_info;
uint8_t * image = gfx.RDRAM + fb_info.addr;
uint32_t width256 = ((width - 1) >> 8) + 1;
uint32_t height256 = ((height - 1) >> 8) + 1;
t_info.smallLodLog2 = t_info.largeLodLog2 = GFX_LOD_LOG2_256;
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_1x1;
t_info.format = GFX_TEXFMT_ARGB_1555;
uint16_t * tex = (uint16_t*)texture_buffer;
t_info.data = tex;
uint32_t tex_size = gfxTexTextureMemRequired(GFX_MIPMAPLEVELMASK_BOTH, &t_info);
gfxChipID_t tmu = SetupFBtoScreenCombiner(tex_size*width256*height256, fb_info.opaque);
uint16_t * src = (uint16_t*)image;
src += fb_info.ul_x + fb_info.ul_y * fb_info.width;
uint32_t * src32 = (uint32_t*)image;
src32 += fb_info.ul_x + fb_info.ul_y * fb_info.width;
uint32_t w_tail = width % 256;
uint32_t h_tail = height % 256;
uint16_t c;
uint32_t c32;
uint32_t idx;
uint32_t bound = BMASK + 1 - fb_info.addr;
bound = fb_info.size == 2 ? bound >> 1 : bound >> 2;
uint8_t r, g, b, a;
uint32_t cur_width, cur_height, cur_tail;
uint32_t tex_adr = voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu];
if ((voodoo.tmem_ptr[tmu] < TEXMEM_2MB_EDGE) && (voodoo.tmem_ptr[tmu] + tex_size*width256*height256 > TEXMEM_2MB_EDGE))
{
tex_adr = TEXMEM_2MB_EDGE;
}
for (uint32_t h = 0; h < height256; h++)
{
for (uint32_t w = 0; w < width256; w++)
{
cur_width = (256 * (w + 1) < width) ? 256 : w_tail;
cur_height = (256 * (h + 1) < height) ? 256 : h_tail;
cur_tail = 256 - cur_width;
uint16_t * dst = tex;
if (fb_info.size == 2)
{
for (uint32_t y = 0; y < cur_height; y++)
{
for (uint32_t x = 0; x < cur_width; x++)
{
idx = (x + 256 * w + (y + 256 * h)*fb_info.width) ^ 1;
if (idx >= bound)
break;
c = src[idx];
*(dst++) = (c >> 1) | ((c & 1) << 15);
}
dst += cur_tail;
}
}
else
{
for (uint32_t y = 0; y < cur_height; y++)
{
for (uint32_t x = 0; x < cur_width; x++)
{
idx = (x + 256 * w + (y + 256 * h)*fb_info.width);
if (idx >= bound)
break;
c32 = src32[idx];
r = (uint8_t)((c32 >> 24) & 0xFF);
r = (uint8_t)((float)r / 255.0f * 31.0f);
g = (uint8_t)((c32 >> 16) & 0xFF);
g = (uint8_t)((float)g / 255.0f * 63.0f);
b = (uint8_t)((c32 >> 8) & 0xFF);
b = (uint8_t)((float)b / 255.0f * 31.0f);
a = (c32 & 0xFF) ? 1 : 0;
*(dst++) = (a << 15) | (r << 10) | (g << 5) | b;
}
dst += cur_tail;
}
}
gfxTexDownloadMipMap(tmu, tex_adr, GFX_MIPMAPLEVELMASK_BOTH, &t_info);
gfxTexSource(tmu, tex_adr, GFX_MIPMAPLEVELMASK_BOTH, &t_info);
tex_adr += tex_size;
float ul_x = (float)(fb_info.ul_x + 256 * w);
float ul_y = (float)(fb_info.ul_y + 256 * h);
float lr_x = (ul_x + (float)(cur_width)) * rdp.scale_x;
float lr_y = (ul_y + (float)(cur_height)) * rdp.scale_y;
ul_x *= rdp.scale_x;
ul_y *= rdp.scale_y;
ul_x += rdp.offset_x;
ul_y += rdp.offset_y;
lr_x += rdp.offset_x;
lr_y += rdp.offset_y;
float lr_u = (float)(cur_width - 1);
float lr_v = (float)(cur_height - 1);
// Make the vertices
gfxVERTEX v[4] = {
{ ul_x, ul_y, 1, 1, 0.5f, 0.5f, 0.5f, 0.5f, { 0.5f, 0.5f, 0.5f, 0.5f } },
{ lr_x, ul_y, 1, 1, lr_u, 0.5f, lr_u, 0.5f, { lr_u, 0.5f, lr_u, 0.5f } },
{ ul_x, lr_y, 1, 1, 0.5f, lr_v, 0.5f, lr_v, { 0.5f, lr_v, 0.5f, lr_v } },
{ lr_x, lr_y, 1, 1, lr_u, lr_v, lr_u, lr_v, { lr_u, lr_v, lr_u, lr_v } }
};
gfxDrawTriangle(&v[0], &v[2], &v[1]);
gfxDrawTriangle(&v[2], &v[3], &v[1]);
}
}
}
bool DrawFrameBufferToScreen(FB_TO_SCREEN_INFO & fb_info)
{
if (fb_info.width < 200 || fb_info.size < 2)
return false;
uint32_t width = fb_info.lr_x - fb_info.ul_x + 1;
uint32_t height = fb_info.lr_y - fb_info.ul_y + 1;
uint32_t max_size = 512;
if (width > (uint32_t)max_size || height > (uint32_t)max_size)
{
DrawFrameBufferToScreen256(fb_info);
return true;
}
WriteTrace(TraceRDP, TraceDebug, "DrawFrameBufferToScreen. ul_x=%d, ul_y=%d, lr_x=%d, lr_y=%d, size=%d, addr=%08lx", fb_info.ul_x, fb_info.ul_y, fb_info.lr_x, fb_info.lr_y, fb_info.size, fb_info.addr);
gfxTexInfo t_info;
uint8_t * image = gfx.RDRAM + fb_info.addr;
uint32_t texwidth;
float scale;
if (width <= 256)
{
texwidth = 256;
scale = 1.0f;
t_info.smallLodLog2 = t_info.largeLodLog2 = GFX_LOD_LOG2_256;
}
else
{
texwidth = 512;
scale = 0.5f;
t_info.smallLodLog2 = t_info.largeLodLog2 = GFX_LOD_LOG2_512;
}
if (height <= (texwidth >> 1))
{
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_2x1;
}
else
{
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_1x1;
}
if (fb_info.size == 2)
{
uint16_t * tex = (uint16_t*)texture_buffer;
uint16_t * dst = tex;
uint16_t * src = (uint16_t*)image;
src += fb_info.ul_x + fb_info.ul_y * fb_info.width;
uint16_t c;
uint32_t idx;
const uint32_t bound = (BMASK + 1 - fb_info.addr) >> 1;
bool empty = true;
for (uint32_t y = 0; y < height; y++)
{
for (uint32_t x = 0; x < width; x++)
{
idx = (x + y*fb_info.width) ^ 1;
if (idx >= bound)
break;
c = src[idx];
if (c) empty = false;
*(dst++) = (c >> 1) | ((c & 1) << 15);
}
dst += texwidth - width;
}
if (empty)
return false;
t_info.format = GFX_TEXFMT_ARGB_1555;
t_info.data = tex;
}
else
{
uint32_t * tex = (uint32_t*)texture_buffer;
uint32_t * dst = tex;
uint32_t * src = (uint32_t*)image;
src += fb_info.ul_x + fb_info.ul_y * fb_info.width;
uint32_t col;
uint32_t idx;
const uint32_t bound = (BMASK + 1 - fb_info.addr) >> 2;
for (uint32_t y = 0; y < height; y++)
{
for (uint32_t x = 0; x < width; x++)
{
idx = x + y*fb_info.width;
if (idx >= bound)
break;
col = src[idx];
*(dst++) = (col >> 8) | 0xFF000000;
}
dst += texwidth - width;
}
t_info.format = GFX_TEXFMT_ARGB_8888;
t_info.data = tex;
}
gfxChipID_t tmu = SetupFBtoScreenCombiner(gfxTexTextureMemRequired(GFX_MIPMAPLEVELMASK_BOTH, &t_info), fb_info.opaque);
gfxTexDownloadMipMap(tmu, voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu], GFX_MIPMAPLEVELMASK_BOTH, &t_info);
gfxTexSource(tmu, voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu], GFX_MIPMAPLEVELMASK_BOTH, &t_info);
if (g_settings->hacks(CSettings::hack_RE2))
{
DrawRE2Video(fb_info, scale);
}
else
{
float ul_x = fb_info.ul_x * rdp.scale_x + rdp.offset_x;
float ul_y = fb_info.ul_y * rdp.scale_y + rdp.offset_y;
float lr_x = fb_info.lr_x * rdp.scale_x + rdp.offset_x;
float lr_y = fb_info.lr_y * rdp.scale_y + rdp.offset_y;
float lr_u = (width - 1)*scale;
float lr_v = (height - 1)*scale;
// Make the vertices
gfxVERTEX v[4] = {
{ ul_x, ul_y, 1, 1, 0.5f, 0.5f, 0.5f, 0.5f, { 0.5f, 0.5f, 0.5f, 0.5f } },
{ lr_x, ul_y, 1, 1, lr_u, 0.5f, lr_u, 0.5f, { lr_u, 0.5f, lr_u, 0.5f } },
{ ul_x, lr_y, 1, 1, 0.5f, lr_v, 0.5f, lr_v, { 0.5f, lr_v, 0.5f, lr_v } },
{ lr_x, lr_y, 1, 1, lr_u, lr_v, lr_u, lr_v, { lr_u, lr_v, lr_u, lr_v } }
};
gfxDrawTriangle(&v[0], &v[2], &v[1]);
gfxDrawTriangle(&v[2], &v[3], &v[1]);
}
return true;
}
static void DrawDepthBufferToScreen256(FB_TO_SCREEN_INFO & fb_info)
{
WriteTrace(TraceRDP, TraceDebug, "DrawDepthBufferToScreen256. ul_x=%d, ul_y=%d, lr_x=%d, lr_y=%d, size=%d, addr=%08lx", fb_info.ul_x, fb_info.ul_y, fb_info.lr_x, fb_info.lr_y, fb_info.size, fb_info.addr);
uint32_t width = fb_info.lr_x - fb_info.ul_x + 1;
uint32_t height = fb_info.lr_y - fb_info.ul_y + 1;
gfxTexInfo t_info;
uint8_t * image = gfx.RDRAM + fb_info.addr;
uint32_t width256 = ((width - 1) >> 8) + 1;
uint32_t height256 = ((height - 1) >> 8) + 1;
t_info.smallLodLog2 = t_info.largeLodLog2 = GFX_LOD_LOG2_256;
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_1x1;
t_info.format = GFX_TEXFMT_ALPHA_INTENSITY_88;
uint16_t * tex = (uint16_t*)texture_buffer;
t_info.data = tex;
uint32_t tex_size = gfxTexTextureMemRequired(GFX_MIPMAPLEVELMASK_BOTH, &t_info);
gfxChipID_t tmu = SetupFBtoScreenCombiner(tex_size*width256*height256, fb_info.opaque);
gfxConstantColorValue(rdp.fog_color);
gfxColorCombine(GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
GFX_COMBINE_LOCAL_NONE,
GFX_COMBINE_OTHER_CONSTANT,
false);
uint16_t * src = (uint16_t*)image;
src += fb_info.ul_x + fb_info.ul_y * fb_info.width;
uint32_t w_tail = width % 256;
uint32_t h_tail = height % 256;
uint32_t cur_width, cur_height, cur_tail;
uint32_t tex_adr = voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu];
if ((voodoo.tmem_ptr[tmu] < TEXMEM_2MB_EDGE) && (voodoo.tmem_ptr[tmu] + tex_size*width256*height256 > TEXMEM_2MB_EDGE))
{
tex_adr = TEXMEM_2MB_EDGE;
}
for (uint32_t h = 0; h < height256; h++)
{
for (uint32_t w = 0; w < width256; w++)
{
cur_width = (256 * (w + 1) < width) ? 256 : w_tail;
cur_height = (256 * (h + 1) < height) ? 256 : h_tail;
cur_tail = 256 - cur_width;
uint16_t * dst = tex;
for (uint32_t y = 0; y < cur_height; y++)
{
for (uint32_t x = 0; x < cur_width; x++)
{
*(dst++) = rdp.pal_8[src[(x + 256 * w + (y + 256 * h)*fb_info.width) ^ 1] >> 8];
}
dst += cur_tail;
}
gfxTexDownloadMipMap(tmu, tex_adr, GFX_MIPMAPLEVELMASK_BOTH, &t_info);
gfxTexSource(tmu, tex_adr, GFX_MIPMAPLEVELMASK_BOTH, &t_info);
tex_adr += tex_size;
float ul_x = (float)(fb_info.ul_x + 256 * w);
float ul_y = (float)(fb_info.ul_y + 256 * h);
float lr_x = (ul_x + (float)(cur_width)) * rdp.scale_x + rdp.offset_x;
float lr_y = (ul_y + (float)(cur_height)) * rdp.scale_y + rdp.offset_y;
ul_x = ul_x * rdp.scale_x + rdp.offset_x;
ul_y = ul_y * rdp.scale_y + rdp.offset_y;
float lr_u = (float)(cur_width - 1);
float lr_v = (float)(cur_height - 1);
// Make the vertices
gfxVERTEX v[4] = {
{ ul_x, ul_y, 1, 1, 0.5f, 0.5f, 0.5f, 0.5f, { 0.5f, 0.5f, 0.5f, 0.5f } },
{ lr_x, ul_y, 1, 1, lr_u, 0.5f, lr_u, 0.5f, { lr_u, 0.5f, lr_u, 0.5f } },
{ ul_x, lr_y, 1, 1, 0.5f, lr_v, 0.5f, lr_v, { 0.5f, lr_v, 0.5f, lr_v } },
{ lr_x, lr_y, 1, 1, lr_u, lr_v, lr_u, lr_v, { lr_u, lr_v, lr_u, lr_v } }
};
gfxDrawTriangle(&v[0], &v[2], &v[1]);
gfxDrawTriangle(&v[2], &v[3], &v[1]);
}
}
}
static void DrawHiresDepthBufferToScreen(FB_TO_SCREEN_INFO & fb_info)
{
WriteTrace(TraceRDP, TraceDebug, "DrawHiresDepthBufferToScreen. ul_x=%d, ul_y=%d, lr_x=%d, lr_y=%d, size=%d, addr=%08lx", fb_info.ul_x, fb_info.ul_y, fb_info.lr_x, fb_info.lr_y, fb_info.size, fb_info.addr);
gfxTexInfo t_info;
float scale = 0.25f;
gfxLOD_t LOD = GFX_LOD_LOG2_1024;
if (g_scr_res_x > 1024)
{
scale = 0.125f;
LOD = GFX_LOD_LOG2_2048;
}
t_info.format = GFX_TEXFMT_ALPHA_INTENSITY_88;
t_info.smallLodLog2 = t_info.largeLodLog2 = LOD;
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_1x1;
gfxConstantColorValue(rdp.fog_color);
gfxColorCombine(GFX_COMBINE_FUNCTION_LOCAL,
GFX_COMBINE_FACTOR_NONE,
GFX_COMBINE_LOCAL_CONSTANT,
GFX_COMBINE_OTHER_NONE,
false);
gfxAlphaCombine(GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
GFX_COMBINE_LOCAL_NONE,
GFX_COMBINE_OTHER_TEXTURE,
false);
gfxAlphaBlendFunction(GFX_BLEND_SRC_ALPHA,
GFX_BLEND_ONE_MINUS_SRC_ALPHA,
GFX_BLEND_ONE,
GFX_BLEND_ZERO);
gfxDepthBufferFunction(GFX_CMP_ALWAYS);
gfxDepthMask(false);
gfxCullMode(GFX_CULL_DISABLE);
gfxTexCombine(GFX_TMU1,
GFX_COMBINE_FUNCTION_NONE,
GFX_COMBINE_FACTOR_NONE,
GFX_COMBINE_FUNCTION_NONE,
GFX_COMBINE_FACTOR_NONE,
false,
false);
gfxTexCombine(GFX_TMU0,
GFX_COMBINE_FUNCTION_LOCAL,
GFX_COMBINE_FACTOR_NONE,
GFX_COMBINE_FUNCTION_LOCAL,
GFX_COMBINE_FACTOR_NONE,
false,
false);
// gfxAuxBufferExt( GFX_BUFFER_AUXBUFFER );
gfxTexSource(rdp.texbufs[0].tmu, rdp.texbufs[0].begin, GFX_MIPMAPLEVELMASK_BOTH, &(t_info));
float ul_x = (float)rdp.scissor.ul_x;
float ul_y = (float)rdp.scissor.ul_y;
float lr_x = (float)rdp.scissor.lr_x;
float lr_y = (float)rdp.scissor.lr_y;
float ul_u = (float)rdp.scissor.ul_x * scale;
float ul_v = (float)rdp.scissor.ul_y * scale;
float lr_u = (float)rdp.scissor.lr_x * scale;
float lr_v = (float)rdp.scissor.lr_y * scale;
// Make the vertices
gfxVERTEX v[4] = {
{ ul_x, ul_y, 1, 1, ul_u, ul_v, ul_u, ul_v, { ul_u, ul_v, ul_u, ul_v } },
{ lr_x, ul_y, 1, 1, lr_u, ul_v, lr_u, ul_v, { lr_u, ul_v, lr_u, ul_v } },
{ ul_x, lr_y, 1, 1, ul_u, lr_v, ul_u, lr_v, { ul_u, lr_v, ul_u, lr_v } },
{ lr_x, lr_y, 1, 1, lr_u, lr_v, lr_u, lr_v, { lr_u, lr_v, lr_u, lr_v } }
};
gfxDrawTriangle(&v[0], &v[2], &v[1]);
gfxDrawTriangle(&v[2], &v[3], &v[1]);
// gfxAuxBufferExt( GFX_BUFFER_TEXTUREAUXBUFFER_EXT );
rdp.update |= UPDATE_COMBINE | UPDATE_ZBUF_ENABLED | UPDATE_CULL_MODE;
}
void DrawDepthBufferToScreen(FB_TO_SCREEN_INFO & fb_info)
{
uint32_t width = fb_info.lr_x - fb_info.ul_x + 1;
uint32_t height = fb_info.lr_y - fb_info.ul_y + 1;
if (width > (uint32_t)2048 || height > (uint32_t)2048 || width > 512)
{
DrawDepthBufferToScreen256(fb_info);
return;
}
WriteTrace(TraceRDP, TraceDebug, "DrawDepthBufferToScreen. ul_x=%d, ul_y=%d, lr_x=%d, lr_y=%d, size=%d, addr=%08lx", fb_info.ul_x, fb_info.ul_y, fb_info.lr_x, fb_info.lr_y, fb_info.size, fb_info.addr);
gfxTexInfo t_info;
uint8_t * image = gfx.RDRAM + fb_info.addr;
uint32_t texwidth;
float scale;
if (width <= 256)
{
texwidth = 256;
scale = 1.0f;
t_info.smallLodLog2 = t_info.largeLodLog2 = GFX_LOD_LOG2_256;
}
else
{
texwidth = 512;
scale = 0.5f;
t_info.smallLodLog2 = t_info.largeLodLog2 = GFX_LOD_LOG2_512;
}
if (height <= (texwidth >> 1))
{
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_2x1;
}
else
{
t_info.aspectRatioLog2 = GFX_ASPECT_LOG2_1x1;
}
uint16_t * tex = (uint16_t*)texture_buffer;
uint16_t * dst = tex;
uint16_t * src = (uint16_t*)image;
src += fb_info.ul_x + fb_info.ul_y * fb_info.width;
for (uint32_t y = 0; y < height; y++)
{
for (uint32_t x = 0; x < width; x++)
{
*(dst++) = rdp.pal_8[src[(x + y*fb_info.width) ^ 1] >> 8];
}
dst += texwidth - width;
}
t_info.format = GFX_TEXFMT_ALPHA_INTENSITY_88;
t_info.data = tex;
gfxChipID_t tmu = SetupFBtoScreenCombiner(gfxTexTextureMemRequired(GFX_MIPMAPLEVELMASK_BOTH, &t_info), fb_info.opaque);
gfxConstantColorValue(rdp.fog_color);
gfxColorCombine(GFX_COMBINE_FUNCTION_SCALE_OTHER,
GFX_COMBINE_FACTOR_ONE,
GFX_COMBINE_LOCAL_NONE,
GFX_COMBINE_OTHER_CONSTANT,
false);
gfxTexDownloadMipMap(tmu, voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu], GFX_MIPMAPLEVELMASK_BOTH, &t_info);
gfxTexSource(tmu, voodoo.tex_min_addr[tmu] + voodoo.tmem_ptr[tmu], GFX_MIPMAPLEVELMASK_BOTH, &t_info);
float ul_x = fb_info.ul_x * rdp.scale_x + rdp.offset_x;
float ul_y = fb_info.ul_y * rdp.scale_y + rdp.offset_y;
float lr_x = fb_info.lr_x * rdp.scale_x + rdp.offset_x;
float lr_y = fb_info.lr_y * rdp.scale_y + rdp.offset_y;
float lr_u = (width - 1)*scale;
float lr_v = (height - 1)*scale;
float zero = scale*0.5f;
// Make the vertices
gfxVERTEX v[4] = {
{ ul_x, ul_y, 1, 1, zero, zero, zero, zero, { zero, zero, zero, zero } },
{ lr_x, ul_y, 1, 1, lr_u, zero, lr_u, zero, { lr_u, zero, lr_u, zero } },
{ ul_x, lr_y, 1, 1, zero, lr_v, zero, lr_v, { zero, lr_v, zero, lr_v } },
{ lr_x, lr_y, 1, 1, lr_u, lr_v, lr_u, lr_v, { lr_u, lr_v, lr_u, lr_v } }
};
gfxDrawTriangle(&v[0], &v[2], &v[1]);
gfxDrawTriangle(&v[2], &v[3], &v[1]);
}
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