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Move material multiplication out of inner light loop

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This commit is contained in:
Magnus Norddahl 2017-01-03 21:16:21 +01:00
parent b3cee51fd0
commit dba81db198
3 changed files with 24 additions and 24 deletions
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36
src/swrenderer/drawers/r_draw_pal.cpp
View file

@ -112,9 +112,9 @@ namespace swrenderer
uint8_t PalWall1Command::AddLights(const TriLight *lights, int num_lights, float viewpos_z, uint8_t fg, uint8_t material)
{
uint32_t lit_r = GPalette.BaseColors[fg].r;
uint32_t lit_g = GPalette.BaseColors[fg].g;
uint32_t lit_b = GPalette.BaseColors[fg].b;
uint32_t lit_r = 0;
uint32_t lit_g = 0;
uint32_t lit_b = 0;
uint32_t material_r = GPalette.BaseColors[material].r;
uint32_t material_g = GPalette.BaseColors[material].g;
@ -144,14 +144,14 @@ namespace swrenderer
float point_attenuation = lights[i].y * rcp_dist * distance_attenuation;
uint32_t attenuation = (uint32_t)(lights[i].y == 0.0f ? simple_attenuation : point_attenuation);
lit_r += (light_color_r * material_r * attenuation) >> 16;
lit_g += (light_color_g * material_g * attenuation) >> 16;
lit_b += (light_color_b * material_b * attenuation) >> 16;
lit_r += (light_color_r * attenuation) >> 8;
lit_g += (light_color_g * attenuation) >> 8;
lit_b += (light_color_b * attenuation) >> 8;
}
lit_r = MIN<uint32_t>(lit_r, 255);
lit_g = MIN<uint32_t>(lit_g, 255);
lit_b = MIN<uint32_t>(lit_b, 255);
lit_r = MIN<uint32_t>(GPalette.BaseColors[fg].r + ((lit_r * material_r) >> 8), 255);
lit_g = MIN<uint32_t>(GPalette.BaseColors[fg].g + ((lit_g * material_g) >> 8), 255);
lit_b = MIN<uint32_t>(GPalette.BaseColors[fg].b + ((lit_b * material_b) >> 8), 255);
return RGB256k.All[((lit_r >> 2) << 12) | ((lit_g >> 2) << 6) | (lit_b >> 2)];
}
@ -1722,9 +1722,9 @@ namespace swrenderer
uint8_t PalSpanCommand::AddLights(const TriLight *lights, int num_lights, float viewpos_x, uint8_t fg, uint8_t material)
{
uint32_t lit_r = GPalette.BaseColors[fg].r;
uint32_t lit_g = GPalette.BaseColors[fg].g;
uint32_t lit_b = GPalette.BaseColors[fg].b;
uint32_t lit_r = 0;
uint32_t lit_g = 0;
uint32_t lit_b = 0;
uint32_t material_r = GPalette.BaseColors[material].r;
uint32_t material_g = GPalette.BaseColors[material].g;
@ -1754,14 +1754,14 @@ namespace swrenderer
float point_attenuation = lights[i].z * rcp_dist * distance_attenuation;
uint32_t attenuation = (uint32_t)(lights[i].z == 0.0f ? simple_attenuation : point_attenuation);
lit_r += (light_color_r * material_r * attenuation) >> 16;
lit_g += (light_color_g * material_g * attenuation) >> 16;
lit_b += (light_color_b * material_b * attenuation) >> 16;
lit_r += (light_color_r * attenuation) >> 8;
lit_g += (light_color_g * attenuation) >> 8;
lit_b += (light_color_b * attenuation) >> 8;
}
lit_r = MIN<uint32_t>(lit_r, 255);
lit_g = MIN<uint32_t>(lit_g, 255);
lit_b = MIN<uint32_t>(lit_b, 255);
lit_r = MIN<uint32_t>(GPalette.BaseColors[fg].r + ((lit_r * material_r) >> 8), 255);
lit_g = MIN<uint32_t>(GPalette.BaseColors[fg].g + ((lit_g * material_g) >> 8), 255);
lit_b = MIN<uint32_t>(GPalette.BaseColors[fg].b + ((lit_b * material_b) >> 8), 255);
return RGB256k.All[((lit_r >> 2) << 12) | ((lit_g >> 2) << 6) | (lit_b >> 2)];
}

6
tools/drawergen/fixedfunction/drawspancodegen.cpp
View file

@ -237,7 +237,7 @@ SSAVec4i DrawSpanCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
else
c = shade_bgra_advanced(fg, light, shade_constants);
stack_lit_color.store(c);
stack_lit_color.store(SSAVec4i(0));
stack_light_index.store(SSAInt(0));
SSAForBlock block;
@ -269,14 +269,14 @@ SSAVec4i DrawSpanCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
SSAFloat point_attenuation = light_z * rcp_dist * distance_attenuation;
SSAInt attenuation = SSAInt((light_z == SSAFloat(0.0f)).select(simple_attenuation, point_attenuation), true);
SSAVec4i contribution = (light_color * fg * attenuation) >> 16;
SSAVec4i contribution = (light_color * attenuation) >> 8;
stack_lit_color.store(lit_color + contribution);
stack_light_index.store(light_index + 1);
}
block.end_block();
return stack_lit_color.load();
return c + ((stack_lit_color.load() * fg) >> 8);
}
SSAVec4i DrawSpanCodegen::Blend(SSAVec4i fg, SSAVec4i bg, DrawSpanVariant variant)

6
tools/drawergen/fixedfunction/drawwallcodegen.cpp
View file

@ -169,7 +169,7 @@ SSAVec4i DrawWallCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
else
c = shade_bgra_advanced(fg, light, shade_constants);
stack_lit_color.store(c);
stack_lit_color.store(SSAVec4i(0));
stack_light_index.store(SSAInt(0));
SSAForBlock block;
@ -201,14 +201,14 @@ SSAVec4i DrawWallCodegen::Shade(SSAVec4i fg, bool isSimpleShade)
SSAFloat point_attenuation = light_y * rcp_dist * distance_attenuation;
SSAInt attenuation = SSAInt((light_y == SSAFloat(0.0f)).select(simple_attenuation, point_attenuation), true);
SSAVec4i contribution = (light_color * fg * attenuation) >> 16;
SSAVec4i contribution = (light_color * attenuation) >> 8;
stack_lit_color.store(lit_color + contribution);
stack_light_index.store(light_index + 1);
}
block.end_block();
return stack_lit_color.load();
return c + ((stack_lit_color.load() * fg) >> 8);
}
SSAVec4i DrawWallCodegen::Blend(SSAVec4i fg, SSAVec4i bg, DrawWallVariant variant)