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Palette version of sky drawers

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This commit is contained in:
Magnus Norddahl 2016-10-19 23:21:09 +02:00
parent d5865a46a0
commit 4ccb69fa61
4 changed files with 285 additions and 15 deletions
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240
src/r_draw.cpp
View file

@ -2235,6 +2235,246 @@ void tmvline4_revsubclamp_C ()
} while (--count);
}
void R_DrawSingleSkyCol1(uint32_t solid_top, uint32_t solid_bottom)
{
uint8_t *dest = dc_dest;
int count = dc_count;
int pitch = dc_pitch;
const uint8_t *source0 = bufplce[0];
int textureheight0 = bufheight[0];
int32_t frac = vplce[0];
int32_t fracstep = vince[0];
int start_fade = 2; // How fast it should fade out
int solid_top_r = RPART(solid_top);
int solid_top_g = GPART(solid_top);
int solid_top_b = BPART(solid_top);
int solid_bottom_r = RPART(solid_bottom);
int solid_bottom_g = GPART(solid_bottom);
int solid_bottom_b = BPART(solid_bottom);
for (int index = 0; index < count; index++)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint8_t fg = source0[sample_index];
int alpha_top = MAX(MIN(frac >> (16 - start_fade), 256), 0);
int alpha_bottom = MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0);
if (alpha_top == 256 && alpha_bottom == 256)
{
*dest = fg;
}
else
{
int inv_alpha_top = 256 - alpha_top;
int inv_alpha_bottom = 256 - alpha_bottom;
const auto &c = GPalette.BaseColors[fg];
int c_red = c.r;
int c_green = c.g;
int c_blue = c.b;
c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
*dest = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
}
frac += fracstep;
dest += pitch;
}
}
void R_DrawSingleSkyCol4(uint32_t solid_top, uint32_t solid_bottom)
{
for (int col = 0; col < 4; col++)
{
uint8_t *dest = dc_dest + col;
int count = dc_count;
int pitch = dc_pitch;
const uint8_t *source0 = bufplce[col];
int textureheight0 = bufheight[0];
int32_t frac = vplce[col];
int32_t fracstep = vince[col];
int start_fade = 2; // How fast it should fade out
int solid_top_r = RPART(solid_top);
int solid_top_g = GPART(solid_top);
int solid_top_b = BPART(solid_top);
int solid_bottom_r = RPART(solid_bottom);
int solid_bottom_g = GPART(solid_bottom);
int solid_bottom_b = BPART(solid_bottom);
for (int index = 0; index < count; index++)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint8_t fg = source0[sample_index];
int alpha_top = MAX(MIN(frac >> (16 - start_fade), 256), 0);
int alpha_bottom = MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0);
if (alpha_top == 256 && alpha_bottom == 256)
{
*dest = fg;
}
else
{
int inv_alpha_top = 256 - alpha_top;
int inv_alpha_bottom = 256 - alpha_bottom;
const auto &c = GPalette.BaseColors[fg];
int c_red = c.r;
int c_green = c.g;
int c_blue = c.b;
c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
*dest = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
}
frac += fracstep;
dest += pitch;
}
}
}
void R_DrawDoubleSkyCol1(uint32_t solid_top, uint32_t solid_bottom)
{
uint8_t *dest = dc_dest;
int count = dc_count;
int pitch = dc_pitch;
const uint8_t *source0 = bufplce[0];
const uint8_t *source1 = bufplce2[0];
int textureheight0 = bufheight[0];
uint32_t maxtextureheight1 = bufheight[1] - 1;
int32_t frac = vplce[0];
int32_t fracstep = vince[0];
int start_fade = 2; // How fast it should fade out
int solid_top_r = RPART(solid_top);
int solid_top_g = GPART(solid_top);
int solid_top_b = BPART(solid_top);
int solid_bottom_r = RPART(solid_bottom);
int solid_bottom_g = GPART(solid_bottom);
int solid_bottom_b = BPART(solid_bottom);
for (int index = 0; index < count; index++)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint8_t fg = source0[sample_index];
if (fg == 0)
{
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
fg = source1[sample_index2];
}
int alpha_top = MAX(MIN(frac >> (16 - start_fade), 256), 0);
int alpha_bottom = MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0);
if (alpha_top == 256 && alpha_bottom == 256)
{
*dest = fg;
}
else
{
int inv_alpha_top = 256 - alpha_top;
int inv_alpha_bottom = 256 - alpha_bottom;
const auto &c = GPalette.BaseColors[fg];
int c_red = c.r;
int c_green = c.g;
int c_blue = c.b;
c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
*dest = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
}
frac += fracstep;
dest += pitch;
}
}
void R_DrawDoubleSkyCol4(uint32_t solid_top, uint32_t solid_bottom)
{
for (int col = 0; col < 4; col++)
{
uint8_t *dest = dc_dest + col;
int count = dc_count;
int pitch = dc_pitch;
const uint8_t *source0 = bufplce[col];
const uint8_t *source1 = bufplce2[col];
int textureheight0 = bufheight[0];
uint32_t maxtextureheight1 = bufheight[1] - 1;
int32_t frac = vplce[col];
int32_t fracstep = vince[col];
int start_fade = 2; // How fast it should fade out
int solid_top_r = RPART(solid_top);
int solid_top_g = GPART(solid_top);
int solid_top_b = BPART(solid_top);
int solid_bottom_r = RPART(solid_bottom);
int solid_bottom_g = GPART(solid_bottom);
int solid_bottom_b = BPART(solid_bottom);
for (int index = 0; index < count; index++)
{
uint32_t sample_index = (((((uint32_t)frac) << 8) >> FRACBITS) * textureheight0) >> FRACBITS;
uint8_t fg = source0[sample_index];
if (fg == 0)
{
uint32_t sample_index2 = MIN(sample_index, maxtextureheight1);
fg = source1[sample_index2];
}
int alpha_top = MAX(MIN(frac >> (16 - start_fade), 256), 0);
int alpha_bottom = MAX(MIN(((2 << 24) - frac) >> (16 - start_fade), 256), 0);
if (alpha_top == 256 && alpha_bottom == 256)
{
*dest = fg;
}
else
{
int inv_alpha_top = 256 - alpha_top;
int inv_alpha_bottom = 256 - alpha_bottom;
const auto &c = GPalette.BaseColors[fg];
int c_red = c.r;
int c_green = c.g;
int c_blue = c.b;
c_red = (c_red * alpha_top + solid_top_r * inv_alpha_top) >> 8;
c_green = (c_green * alpha_top + solid_top_g * inv_alpha_top) >> 8;
c_blue = (c_blue * alpha_top + solid_top_b * inv_alpha_top) >> 8;
c_red = (c_red * alpha_bottom + solid_bottom_r * inv_alpha_bottom) >> 8;
c_green = (c_green * alpha_bottom + solid_bottom_g * inv_alpha_bottom) >> 8;
c_blue = (c_blue * alpha_bottom + solid_bottom_b * inv_alpha_bottom) >> 8;
*dest = RGB32k.RGB[(c_red >> 3)][(c_green >> 3)][(c_blue >> 3)];
}
frac += fracstep;
dest += pitch;
}
}
}
//==========================================================================
//
// R_GetColumn

5
src/r_draw.h
View file

@ -387,6 +387,11 @@ void R_DrawSingleSkyCol4(uint32_t solid_top, uint32_t solid_bottom);
void R_DrawDoubleSkyCol1(uint32_t solid_top, uint32_t solid_bottom);
void R_DrawDoubleSkyCol4(uint32_t solid_top, uint32_t solid_bottom);
void R_DrawSingleSkyCol1_rgba(uint32_t solid_top, uint32_t solid_bottom);
void R_DrawSingleSkyCol4_rgba(uint32_t solid_top, uint32_t solid_bottom);
void R_DrawDoubleSkyCol1_rgba(uint32_t solid_top, uint32_t solid_bottom);
void R_DrawDoubleSkyCol4_rgba(uint32_t solid_top, uint32_t solid_bottom);
struct TriVertex
{
TriVertex() { }

8
src/r_draw_rgba.cpp
View file

@ -1692,22 +1692,22 @@ void R_DrawTriangles(const VSMatrix &objectToWorld, const TriVertex *vertices, i
/////////////////////////////////////////////////////////////////////////////
void R_DrawSingleSkyCol1(uint32_t solid_top, uint32_t solid_bottom)
void R_DrawSingleSkyCol1_rgba(uint32_t solid_top, uint32_t solid_bottom)
{
DrawerCommandQueue::QueueCommand<DrawSingleSky1LLVMCommand>(solid_top, solid_bottom);
}
void R_DrawSingleSkyCol4(uint32_t solid_top, uint32_t solid_bottom)
void R_DrawSingleSkyCol4_rgba(uint32_t solid_top, uint32_t solid_bottom)
{
DrawerCommandQueue::QueueCommand<DrawSingleSky4LLVMCommand>(solid_top, solid_bottom);
}
void R_DrawDoubleSkyCol1(uint32_t solid_top, uint32_t solid_bottom)
void R_DrawDoubleSkyCol1_rgba(uint32_t solid_top, uint32_t solid_bottom)
{
DrawerCommandQueue::QueueCommand<DrawDoubleSky1LLVMCommand>(solid_top, solid_bottom);
}
void R_DrawDoubleSkyCol4(uint32_t solid_top, uint32_t solid_bottom)
void R_DrawDoubleSkyCol4_rgba(uint32_t solid_top, uint32_t solid_bottom)
{
DrawerCommandQueue::QueueCommand<DrawDoubleSky4LLVMCommand>(solid_top, solid_bottom);
}

47
src/r_plane.cpp
View file

@ -1020,30 +1020,55 @@ static void R_DrawSkyColumnStripe(int start_x, int y1, int y2, int columns, doub
angle1 = (DWORD)((UMulScale16(ang, frontcyl) + frontpos) >> FRACBITS);
angle2 = (DWORD)((UMulScale16(ang, backcyl) + backpos) >> FRACBITS);
bufplce[i] = (const BYTE *)frontskytex->GetColumnBgra(angle1, nullptr);
bufplce2[i] = backskytex ? (const BYTE *)backskytex->GetColumnBgra(angle2, nullptr) : nullptr;
if (r_swtruecolor)
{
bufplce[i] = (const BYTE *)frontskytex->GetColumnBgra(angle1, nullptr);
bufplce2[i] = backskytex ? (const BYTE *)backskytex->GetColumnBgra(angle2, nullptr) : nullptr;
}
else
{
bufplce[i] = (const BYTE *)frontskytex->GetColumn(angle1, nullptr);
bufplce2[i] = backskytex ? (const BYTE *)backskytex->GetColumn(angle2, nullptr) : nullptr;
}
vince[i] = uv_step;
vplce[i] = uv_pos;
}
bufheight[0] = height;
bufheight[1] = backskytex ? backskytex->GetHeight() : height;
dc_dest = (ylookup[y1] + start_x) * 4 + dc_destorg;
int pixelsize = r_swtruecolor ? 4 : 1;
dc_dest = (ylookup[y1] + start_x) * pixelsize + dc_destorg;
dc_count = y2 - y1;
uint32_t solid_top = frontskytex->GetSkyCapColor(false);
uint32_t solid_bottom = frontskytex->GetSkyCapColor(true);
if (columns == 4)
if (!backskytex)
R_DrawSingleSkyCol4(solid_top, solid_bottom);
if (r_swtruecolor)
{
if (columns == 4)
if (!backskytex)
R_DrawSingleSkyCol4_rgba(solid_top, solid_bottom);
else
R_DrawDoubleSkyCol4_rgba(solid_top, solid_bottom);
else
R_DrawDoubleSkyCol4(solid_top, solid_bottom);
if (!backskytex)
R_DrawSingleSkyCol1_rgba(solid_top, solid_bottom);
else
R_DrawDoubleSkyCol1_rgba(solid_top, solid_bottom);
}
else
if (!backskytex)
R_DrawSingleSkyCol1(solid_top, solid_bottom);
{
if (columns == 4)
if (!backskytex)
R_DrawSingleSkyCol4(solid_top, solid_bottom);
else
R_DrawDoubleSkyCol4(solid_top, solid_bottom);
else
R_DrawDoubleSkyCol1(solid_top, solid_bottom);
if (!backskytex)
R_DrawSingleSkyCol1(solid_top, solid_bottom);
else
R_DrawDoubleSkyCol1(solid_top, solid_bottom);
}
}
static void R_DrawSkyColumn(int start_x, int y1, int y2, int columns)
@ -1253,7 +1278,7 @@ static void R_DrawSky (visplane_t *pl)
R_DrawCubeSky(pl);
return;
}
else if (r_swtruecolor && r_capsky)
else if (r_capsky)
{
R_DrawCapSky(pl);
return;