diff options
Diffstat (limited to 'src/core/hw/gpu.cpp')
| -rw-r--r-- | src/core/hw/gpu.cpp | 82 |
1 files changed, 61 insertions, 21 deletions
diff --git a/src/core/hw/gpu.cpp b/src/core/hw/gpu.cpp index e6022d69f..2f1a69d90 100644 --- a/src/core/hw/gpu.cpp +++ b/src/core/hw/gpu.cpp @@ -18,10 +18,10 @@ #include "core/hw/gpu.h" #include "video_core/command_processor.h" +#include "video_core/utils.h" #include "video_core/video_core.h" #include <video_core/color.h> - namespace GPU { Regs g_regs; @@ -116,24 +116,64 @@ inline void Write(u32 addr, const T data) { u8* source_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalInputAddress())); u8* dest_pointer = Memory::GetPointer(Memory::PhysicalToVirtualAddress(config.GetPhysicalOutputAddress())); - // Cheap emulation of horizontal scaling: Just skip each second pixel of the - // input framebuffer. We keep track of this in the pixel_skip variable. - unsigned pixel_skip = (config.scale_horizontally != 0) ? 2 : 1; - - u32 output_width = config.output_width / pixel_skip; - - for (u32 y = 0; y < config.output_height; ++y) { - // TODO: Why does the register seem to hold twice the framebuffer width? + unsigned horizontal_scale = (config.scale_horizontally != 0) ? 2 : 1; + unsigned vertical_scale = (config.scale_vertically != 0) ? 2 : 1; + + u32 output_width = config.output_width / horizontal_scale; + u32 output_height = config.output_height / vertical_scale; + + if (config.raw_copy) { + // Raw copies do not perform color conversion nor tiled->linear / linear->tiled conversions + // TODO(Subv): Verify if raw copies perform scaling + memcpy(dest_pointer, source_pointer, config.output_width * config.output_height * + GPU::Regs::BytesPerPixel(config.output_format)); + + LOG_TRACE(HW_GPU, "DisplayTriggerTransfer: 0x%08x bytes from 0x%08x(%ux%u)-> 0x%08x(%ux%u), flags 0x%08X, Raw copy", + config.output_height * output_width * GPU::Regs::BytesPerPixel(config.output_format), + config.GetPhysicalInputAddress(), config.input_width.Value(), config.input_height.Value(), + config.GetPhysicalOutputAddress(), config.output_width.Value(), config.output_height.Value(), + config.output_format.Value(), config.flags); + + GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF); + break; + } + // TODO(Subv): Blend the pixels when horizontal / vertical scaling is enabled, + // right now we're just skipping the extra pixels. + for (u32 y = 0; y < output_height; ++y) { for (u32 x = 0; x < output_width; ++x) { struct { int r, g, b, a; } source_color = { 0, 0, 0, 0 }; + u32 scaled_x = x * horizontal_scale; + u32 scaled_y = y * vertical_scale; + + u32 dst_bytes_per_pixel = GPU::Regs::BytesPerPixel(config.output_format); + u32 src_bytes_per_pixel = GPU::Regs::BytesPerPixel(config.input_format); + u32 src_offset; + u32 dst_offset; + + if (config.output_tiled) { + // Interpret the input as linear and the output as tiled + u32 coarse_y = y & ~7; + u32 stride = output_width * dst_bytes_per_pixel; + + src_offset = (scaled_x + scaled_y * config.input_width) * src_bytes_per_pixel; + dst_offset = VideoCore::GetMortonOffset(x, y, dst_bytes_per_pixel) + coarse_y * stride; + } else { + // Interpret the input as tiled and the output as linear + u32 coarse_y = scaled_y & ~7; + u32 stride = config.input_width * src_bytes_per_pixel; + + src_offset = VideoCore::GetMortonOffset(scaled_x, scaled_y, src_bytes_per_pixel) + coarse_y * stride; + dst_offset = (x + y * output_width) * dst_bytes_per_pixel; + } + switch (config.input_format) { case Regs::PixelFormat::RGBA8: { - u8* srcptr = source_pointer + (x * pixel_skip + y * config.input_width) * 4; + u8* srcptr = source_pointer + src_offset; source_color.r = srcptr[3]; // red source_color.g = srcptr[2]; // green source_color.b = srcptr[1]; // blue @@ -143,7 +183,7 @@ inline void Write(u32 addr, const T data) { case Regs::PixelFormat::RGB5A1: { - u16 srcval = *(u16*)(source_pointer + x * 4 * pixel_skip + y * config.input_width * 4 * pixel_skip); + u16 srcval = *(u16*)(source_pointer + src_offset); source_color.r = Color::Convert5To8((srcval >> 11) & 0x1F); // red source_color.g = Color::Convert5To8((srcval >> 6) & 0x1F); // green source_color.b = Color::Convert5To8((srcval >> 1) & 0x1F); // blue @@ -153,7 +193,7 @@ inline void Write(u32 addr, const T data) { case Regs::PixelFormat::RGBA4: { - u16 srcval = *(u16*)(source_pointer + x * 4 * pixel_skip + y * config.input_width * 4 * pixel_skip); + u16 srcval = *(u16*)(source_pointer + src_offset); source_color.r = Color::Convert4To8((srcval >> 12) & 0xF); // red source_color.g = Color::Convert4To8((srcval >> 8) & 0xF); // green source_color.b = Color::Convert4To8((srcval >> 4) & 0xF); // blue @@ -169,7 +209,7 @@ inline void Write(u32 addr, const T data) { switch (config.output_format) { case Regs::PixelFormat::RGBA8: { - u8* dstptr = dest_pointer + (x * pixel_skip + y * config.output_width) * 4; + u8* dstptr = dest_pointer + dst_offset; dstptr[3] = source_color.r; dstptr[2] = source_color.g; dstptr[1] = source_color.b; @@ -179,7 +219,7 @@ inline void Write(u32 addr, const T data) { case Regs::PixelFormat::RGB8: { - u8* dstptr = dest_pointer + (x + y * output_width) * 3; + u8* dstptr = dest_pointer + dst_offset; dstptr[2] = source_color.r; // red dstptr[1] = source_color.g; // green dstptr[0] = source_color.b; // blue @@ -188,7 +228,7 @@ inline void Write(u32 addr, const T data) { case Regs::PixelFormat::RGB5A1: { - u16* dstptr = (u16*)(dest_pointer + x * 2 + y * config.output_width * 2); + u16* dstptr = (u16*)(dest_pointer + dst_offset); *dstptr = ((source_color.r >> 3) << 11) | ((source_color.g >> 3) << 6) | ((source_color.b >> 3) << 1) | ( source_color.a >> 7); break; @@ -196,7 +236,7 @@ inline void Write(u32 addr, const T data) { case Regs::PixelFormat::RGBA4: { - u16* dstptr = (u16*)(dest_pointer + x * 2 + y * config.output_width * 2); + u16* dstptr = (u16*)(dest_pointer + dst_offset); *dstptr = ((source_color.r >> 4) << 12) | ((source_color.g >> 4) << 8) | ((source_color.b >> 4) << 4) | ( source_color.a >> 4); break; @@ -209,11 +249,11 @@ inline void Write(u32 addr, const T data) { } } - LOG_TRACE(HW_GPU, "DisplayTriggerTransfer: 0x%08x bytes from 0x%08x(%ux%u)-> 0x%08x(%ux%u), dst format %x", - config.output_height * output_width * 4, - config.GetPhysicalInputAddress(), (u32)config.input_width, (u32)config.input_height, - config.GetPhysicalOutputAddress(), (u32)output_width, (u32)config.output_height, - config.output_format.Value()); + LOG_TRACE(HW_GPU, "DisplayTriggerTransfer: 0x%08x bytes from 0x%08x(%ux%u)-> 0x%08x(%ux%u), dst format %x, flags 0x%08X", + config.output_height * output_width * GPU::Regs::BytesPerPixel(config.output_format), + config.GetPhysicalInputAddress(), config.input_width.Value(), config.input_height.Value(), + config.GetPhysicalOutputAddress(), output_width, output_height, + config.output_format.Value(), config.flags); GSP_GPU::SignalInterrupt(GSP_GPU::InterruptId::PPF); } |