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Merge pull request #2743 from wwylele/wrap-fix

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pica/rasterizer: implement/stub texture wrap mode 4-7
This commit is contained in:
Yuri Kunde Schlesner 2017-06-13 21:28:13 -07:00 • committed by GitHub
commit 5fe5ccac42
4 changed files with 48 additions and 12 deletions
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20
src/video_core/swrasterizer/rasterizer.cpp
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@ -357,10 +357,22 @@ static void ProcessTriangleInternal(const Vertex& v0, const Vertex& v1, const Ve
int t = (int)(v * float24::FromFloat32(static_cast<float>(texture.config.height)))
.ToFloat32();
if ((texture.config.wrap_s == TexturingRegs::TextureConfig::ClampToBorder &&
(s < 0 || static_cast<u32>(s) >= texture.config.width)) ||
(texture.config.wrap_t == TexturingRegs::TextureConfig::ClampToBorder &&
(t < 0 || static_cast<u32>(t) >= texture.config.height))) {
bool use_border_s = false;
bool use_border_t = false;
if (texture.config.wrap_s == TexturingRegs::TextureConfig::ClampToBorder) {
use_border_s = s < 0 || s >= static_cast<int>(texture.config.width);
} else if (texture.config.wrap_s == TexturingRegs::TextureConfig::ClampToBorder2) {
use_border_s = s >= static_cast<int>(texture.config.width);
}
if (texture.config.wrap_t == TexturingRegs::TextureConfig::ClampToBorder) {
use_border_t = t < 0 || t >= static_cast<int>(texture.config.height);
} else if (texture.config.wrap_t == TexturingRegs::TextureConfig::ClampToBorder2) {
use_border_t = t >= static_cast<int>(texture.config.height);
}
if (use_border_s || use_border_t) {
auto border_color = texture.config.border_color;
texture_color[i] = {border_color.r, border_color.g, border_color.b,
border_color.a};