sgilissen/llamaplayer
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

GPU: Implement basic rectangle rendering

Browse Source
This commit is contained in:
Connor McLaughlin
2019-09-14 16:27:24 +10:00
parent f47d44c151
commit 46870c6a7a
4 changed files with 65 additions and 5 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
src/pse/gpu_hw.cpp
View File

@ -8,6 +8,7 @@ GPU_HW::~GPU_HW() = default;
void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices)
{
// TODO: Move this to the GPU..
switch (rc.primitive)
{
case Primitive::Polygon:
@ -48,6 +49,53 @@ void GPU_HW::LoadVertices(RenderCommand rc, u32 num_vertices)
}
break;
case Primitive::Rectangle:
{
u32 buffer_pos = 1;
const bool textured = rc.texture_enable;
const u32 color = rc.color_for_first_vertex;
const VertexPosition vp{m_GP0_command[buffer_pos++]};
const s32 pos_left = vp.x();
const s32 pos_top = vp.y();
const auto [tex_left, tex_top] =
HWVertex::DecodeTexcoord(rc.texture_enable ? Truncate16(m_GP0_command[buffer_pos++]) : 0);
s32 rectangle_width;
s32 rectangle_height;
switch (rc.rectangle_size)
{
case DrawRectangleSize::R1x1:
rectangle_width = 1;
rectangle_height = 1;
break;
case DrawRectangleSize::R8x8:
rectangle_width = 8;
rectangle_height = 8;
break;
case DrawRectangleSize::R16x16:
rectangle_width = 16;
rectangle_height = 16;
break;
default:
rectangle_width = static_cast<s32>(m_GP0_command[buffer_pos] & UINT32_C(0xFFFF));
rectangle_height = static_cast<s32>(m_GP0_command[buffer_pos] >> 16);
break;
}
// TODO: This should repeat the texcoords instead of stretching
const s32 pos_right = pos_left + (rectangle_width - 1);
const s32 pos_bottom = pos_top + (rectangle_height - 1);
const u8 tex_right = static_cast<u8>(tex_left + (rectangle_width - 1));
const u8 tex_bottom = static_cast<u8>(tex_top + (rectangle_height - 1));
m_batch_vertices.push_back(HWVertex{pos_left, pos_top, color, HWVertex::EncodeTexcoord(tex_left, tex_top)});
m_batch_vertices.push_back(HWVertex{pos_right, pos_top, color, HWVertex::EncodeTexcoord(tex_right, tex_top)});
m_batch_vertices.push_back(HWVertex{pos_left, pos_bottom, color, HWVertex::EncodeTexcoord(tex_left, tex_bottom)});
m_batch_vertices.push_back(
HWVertex{pos_right, pos_bottom, color, HWVertex::EncodeTexcoord(tex_right, tex_bottom)});
}
break;
default:
UnreachableCode();
break;
@ -272,6 +320,12 @@ void GPU_HW::DispatchRenderCommand(RenderCommand rc, u32 num_vertices)
else
m_texture_config.SetFromPolygonTexcoord(m_GP0_command[2], m_GP0_command[4]);
}
case Primitive::Rectangle:
{
m_texture_config.SetFromRectangleTexcoord(m_GP0_command[2]);
m_texture_config.SetFromPageAttribute(Truncate16(m_GPUSTAT.bits));
}
break;
default: