diff options
Diffstat (limited to '')
-rw-r--r-- | src/core/hw/gpu.h | 84 |
1 files changed, 44 insertions, 40 deletions
diff --git a/src/core/hw/gpu.h b/src/core/hw/gpu.h index da4c345b4..077b6255f 100644 --- a/src/core/hw/gpu.h +++ b/src/core/hw/gpu.h @@ -17,7 +17,8 @@ namespace GPU { // Returns index corresponding to the Regs member labeled by field_name // TODO: Due to Visual studio bug 209229, offsetof does not return constant expressions // when used with array elements (e.g. GPU_REG_INDEX(memory_fill_config[0])). -// For details cf. https://connect.microsoft.com/VisualStudio/feedback/details/209229/offsetof-does-not-produce-a-constant-expression-for-array-members +// For details cf. +// https://connect.microsoft.com/VisualStudio/feedback/details/209229/offsetof-does-not-produce-a-constant-expression-for-array-members // Hopefully, this will be fixed sometime in the future. // For lack of better alternatives, we currently hardcode the offsets when constant // expressions are needed via GPU_REG_INDEX_WORKAROUND (on sane compilers, static_asserts @@ -30,8 +31,9 @@ namespace GPU { // really is this annoying. This macro just forwards its first argument to GPU_REG_INDEX // and then performs a (no-op) cast to size_t iff the second argument matches the expected // field offset. Otherwise, the compiler will fail to compile this code. -#define GPU_REG_INDEX_WORKAROUND(field_name, backup_workaround_index) \ - ((typename std::enable_if<backup_workaround_index == GPU_REG_INDEX(field_name), size_t>::type)GPU_REG_INDEX(field_name)) +#define GPU_REG_INDEX_WORKAROUND(field_name, backup_workaround_index) \ + ((typename std::enable_if<backup_workaround_index == GPU_REG_INDEX(field_name), size_t>::type) \ + GPU_REG_INDEX(field_name)) #endif // MMIO region 0x1EFxxxxx @@ -44,18 +46,18 @@ struct Regs { // support for that. #define ASSERT_MEMBER_SIZE(name, size_in_bytes) #else -#define ASSERT_MEMBER_SIZE(name, size_in_bytes) \ - static_assert(sizeof(name) == size_in_bytes, \ +#define ASSERT_MEMBER_SIZE(name, size_in_bytes) \ + static_assert(sizeof(name) == size_in_bytes, \ "Structure size and register block length don't match") #endif // Components are laid out in reverse byte order, most significant bits first. enum class PixelFormat : u32 { - RGBA8 = 0, - RGB8 = 1, + RGBA8 = 0, + RGB8 = 1, RGB565 = 2, RGB5A1 = 3, - RGBA4 = 4, + RGBA4 = 4, }; /** @@ -88,8 +90,8 @@ struct Regs { BitField<0, 16, u32> value_16bit; // TODO: Verify component order - BitField< 0, 8, u32> value_24bit_r; - BitField< 8, 8, u32> value_24bit_g; + BitField<0, 8, u32> value_24bit_r; + BitField<8, 8, u32> value_24bit_g; BitField<16, 8, u32> value_24bit_b; }; @@ -126,7 +128,7 @@ struct Regs { union { u32 size; - BitField< 0, 16, u32> width; + BitField<0, 16, u32> width; BitField<16, 16, u32> height; }; @@ -138,7 +140,7 @@ struct Regs { union { u32 format; - BitField< 0, 3, PixelFormat> color_format; + BitField<0, 3, PixelFormat> color_format; }; INSERT_PADDING_WORDS(0x1); @@ -180,35 +182,37 @@ struct Regs { union { u32 output_size; - BitField< 0, 16, u32> output_width; + BitField<0, 16, u32> output_width; BitField<16, 16, u32> output_height; }; union { u32 input_size; - BitField< 0, 16, u32> input_width; + BitField<0, 16, u32> input_width; BitField<16, 16, u32> input_height; }; enum ScalingMode : u32 { - NoScale = 0, // Doesn't scale the image - ScaleX = 1, // Downscales the image in half in the X axis and applies a box filter - ScaleXY = 2, // Downscales the image in half in both the X and Y axes and applies a box filter + NoScale = 0, // Doesn't scale the image + ScaleX = 1, // Downscales the image in half in the X axis and applies a box filter + ScaleXY = + 2, // Downscales the image in half in both the X and Y axes and applies a box filter }; union { u32 flags; - BitField< 0, 1, u32> flip_vertically; // flips input data vertically - BitField< 1, 1, u32> input_linear; // Converts from linear to tiled format - BitField< 2, 1, u32> crop_input_lines; - BitField< 3, 1, u32> is_texture_copy; // Copies the data without performing any processing and respecting texture copy fields - BitField< 5, 1, u32> dont_swizzle; - BitField< 8, 3, PixelFormat> input_format; + BitField<0, 1, u32> flip_vertically; // flips input data vertically + BitField<1, 1, u32> input_linear; // Converts from linear to tiled format + BitField<2, 1, u32> crop_input_lines; + BitField<3, 1, u32> is_texture_copy; // Copies the data without performing any + // processing and respecting texture copy fields + BitField<5, 1, u32> dont_swizzle; + BitField<8, 3, PixelFormat> input_format; BitField<12, 3, PixelFormat> output_format; /// Uses some kind of 32x32 block swizzling mode, instead of the usual 8x8 one. - BitField<16, 1, u32> block_32; // TODO(yuriks): unimplemented + BitField<16, 1, u32> block_32; // TODO(yuriks): unimplemented BitField<24, 2, ScalingMode> scaling; // Determines the scaling mode of the transfer }; @@ -225,14 +229,14 @@ struct Regs { union { u32 input_size; - BitField< 0, 16, u32> input_width; + BitField<0, 16, u32> input_width; BitField<16, 16, u32> input_gap; }; union { u32 output_size; - BitField< 0, 16, u32> output_width; + BitField<0, 16, u32> output_width; BitField<16, 16, u32> output_gap; }; } texture_copy; @@ -267,12 +271,12 @@ struct Regs { return sizeof(Regs) / sizeof(u32); } - const u32& operator [] (int index) const { + const u32& operator[](int index) const { const u32* content = reinterpret_cast<const u32*>(this); return content[index]; } - u32& operator [] (int index) { + u32& operator[](int index) { u32* content = reinterpret_cast<u32*>(this); return content[index]; } @@ -294,28 +298,29 @@ static_assert(std::is_standard_layout<Regs>::value, "Structure does not use stan // is technically allowed since C++11. This macro should be enabled once MSVC adds // support for that. #ifndef _MSC_VER -#define ASSERT_REG_POSITION(field_name, position) \ - static_assert(offsetof(Regs, field_name) == position * 4, \ - "Field "#field_name" has invalid position") - -ASSERT_REG_POSITION(memory_fill_config[0], 0x00004); -ASSERT_REG_POSITION(memory_fill_config[1], 0x00008); -ASSERT_REG_POSITION(framebuffer_config[0], 0x00117); -ASSERT_REG_POSITION(framebuffer_config[1], 0x00157); -ASSERT_REG_POSITION(display_transfer_config, 0x00300); +#define ASSERT_REG_POSITION(field_name, position) \ + static_assert(offsetof(Regs, field_name) == position * 4, \ + "Field " #field_name " has invalid position") + +ASSERT_REG_POSITION(memory_fill_config[0], 0x00004); +ASSERT_REG_POSITION(memory_fill_config[1], 0x00008); +ASSERT_REG_POSITION(framebuffer_config[0], 0x00117); +ASSERT_REG_POSITION(framebuffer_config[1], 0x00157); +ASSERT_REG_POSITION(display_transfer_config, 0x00300); ASSERT_REG_POSITION(command_processor_config, 0x00638); #undef ASSERT_REG_POSITION #endif // !defined(_MSC_VER) -// The total number of registers is chosen arbitrarily, but let's make sure it's not some odd value anyway. +// The total number of registers is chosen arbitrarily, but let's make sure it's not some odd value +// anyway. static_assert(sizeof(Regs) == 0x1000 * sizeof(u32), "Invalid total size of register set"); extern Regs g_regs; extern bool g_skip_frame; template <typename T> -void Read(T &var, const u32 addr); +void Read(T& var, const u32 addr); template <typename T> void Write(u32 addr, const T data); @@ -326,5 +331,4 @@ void Init(); /// Shutdown hardware void Shutdown(); - } // namespace |