summaryrefslogtreecommitdiffstats
path: root/src/video_core
diff options
context:
space:
mode:
Diffstat (limited to 'src/video_core')
-rw-r--r--src/video_core/debug_utils/debug_utils.cpp65
-rw-r--r--src/video_core/pica.h22
2 files changed, 80 insertions, 7 deletions
diff --git a/src/video_core/debug_utils/debug_utils.cpp b/src/video_core/debug_utils/debug_utils.cpp
index 08ecd4ccb..1a7b851d5 100644
--- a/src/video_core/debug_utils/debug_utils.cpp
+++ b/src/video_core/debug_utils/debug_utils.cpp
@@ -418,6 +418,15 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
return Math::MakeVec<u8>((r << 3) | (r >> 2), (g << 3) | (g >> 2), (b << 3) | (b >> 2), disable_alpha ? 255 : (a * 255));
}
+ case Regs::TextureFormat::RGB565:
+ {
+ const u16 source_ptr = *(const u16*)(source + coarse_x * block_height * 2 + coarse_y * info.stride + texel_index_within_tile * 2);
+ u8 r = (source_ptr >> 11) & 0x1F;
+ u8 g = ((source_ptr) >> 5) & 0x3F;
+ u8 b = (source_ptr) & 0x1F;
+ return Math::MakeVec<u8>((r << 3) | (r >> 2), (g << 2) | (g >> 4), (b << 3) | (b >> 2), 255);
+ }
+
case Regs::TextureFormat::RGBA4:
{
const u8* source_ptr = source + coarse_x * block_height * 2 + coarse_y * info.stride + texel_index_within_tile * 2;
@@ -432,6 +441,26 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
return { r, g, b, disable_alpha ? 255 : a };
}
+ case Regs::TextureFormat::IA8:
+ {
+ const u8* source_ptr = source + coarse_x * block_height * 2 + coarse_y * info.stride + texel_index_within_tile * 2;
+
+ // TODO: Better control this...
+ if (disable_alpha) {
+ return { *source_ptr, *(source_ptr+1), 0, 255 };
+ } else {
+ return { *source_ptr, *source_ptr, *source_ptr, *(source_ptr+1)};
+ }
+ }
+
+ case Regs::TextureFormat::I8:
+ {
+ const u8* source_ptr = source + coarse_x * block_height + coarse_y * info.stride + texel_index_within_tile;
+
+ // TODO: Better control this...
+ return { *source_ptr, *source_ptr, *source_ptr, 255 };
+ }
+
case Regs::TextureFormat::A8:
{
const u8* source_ptr = source + coarse_x * block_height + coarse_y * info.stride + texel_index_within_tile;
@@ -444,6 +473,40 @@ const Math::Vec4<u8> LookupTexture(const u8* source, int x, int y, const Texture
}
}
+ case Regs::TextureFormat::IA4:
+ {
+ const u8* source_ptr = source + coarse_x * block_height / 2 + coarse_y * info.stride + texel_index_within_tile / 2;
+
+ // TODO: Order?
+ u8 i = (*source_ptr)&0xF;
+ u8 a = ((*source_ptr) & 0xF0) >> 4;
+ a |= a << 4;
+ i |= i << 4;
+
+ // TODO: Better control this...
+ if (disable_alpha) {
+ return { i, a, 0, 255 };
+ } else {
+ return { i, i, i, a };
+ }
+ }
+
+ case Regs::TextureFormat::A4:
+ {
+ const u8* source_ptr = source + coarse_x * block_height / 2 + coarse_y * info.stride + texel_index_within_tile / 2;
+
+ // TODO: Order?
+ u8 a = (coarse_x % 2) ? ((*source_ptr)&0xF) : (((*source_ptr) & 0xF0) >> 4);
+ a |= a << 4;
+
+ // TODO: Better control this...
+ if (disable_alpha) {
+ return { *source_ptr, *source_ptr, *source_ptr, 255 };
+ } else {
+ return { 0, 0, 0, *source_ptr };
+ }
+ }
+
default:
LOG_ERROR(HW_GPU, "Unknown texture format: %x", (u32)info.format);
_dbg_assert_(HW_GPU, 0);
@@ -459,7 +522,7 @@ TextureInfo TextureInfo::FromPicaRegister(const Regs::TextureConfig& config,
info.width = config.width;
info.height = config.height;
info.format = format;
- info.stride = Pica::Regs::BytesPerPixel(info.format) * info.width;
+ info.stride = Pica::Regs::NibblesPerPixel(info.format) * info.width / 2;
return info;
}
diff --git a/src/video_core/pica.h b/src/video_core/pica.h
index 7d82d733d..583614328 100644
--- a/src/video_core/pica.h
+++ b/src/video_core/pica.h
@@ -142,29 +142,39 @@ struct Regs {
RGBA5551 = 2,
RGB565 = 3,
RGBA4 = 4,
+ IA8 = 5,
+ I8 = 7,
A8 = 8,
+ IA4 = 9,
+ A4 = 11,
// TODO: Support for the other formats is not implemented, yet.
// Seems like they are luminance formats and compressed textures.
};
- static unsigned BytesPerPixel(TextureFormat format) {
+ static unsigned NibblesPerPixel(TextureFormat format) {
switch (format) {
case TextureFormat::RGBA8:
- return 4;
+ return 8;
case TextureFormat::RGB8:
- return 3;
+ return 6;
case TextureFormat::RGBA5551:
case TextureFormat::RGB565:
case TextureFormat::RGBA4:
- return 2;
+ case TextureFormat::IA8:
+ return 4;
- default:
- // placeholder for yet unknown formats
+ case TextureFormat::A4:
return 1;
+
+ case TextureFormat::I8:
+ case TextureFormat::A8:
+ case TextureFormat::IA4:
+ default: // placeholder for yet unknown formats
+ return 2;
}
}