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texture replacement (also messy)

This commit is contained in:
Khangaroo 2019-07-31 14:27:15 -04:00 committed by James Rowe
parent deff865ac9
commit f866b2a917
1 changed files with 57 additions and 26 deletions
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73
src/video_core/renderer_opengl/gl_rasterizer_cache.cpp
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@ -854,6 +854,25 @@ void CachedSurface::FlushGLBuffer(PAddr flush_start, PAddr flush_end) {
}
}
// TODO: move this function to a better place
void FlipRGBA8Texture(std::vector<u8>& tex, u64 width, u64 height) {
assert(tex.size() = width * height * 4);
const u64 line_size = width * 4;
// Thanks MSVC for not being able to make variable length arrays
u8* temp_row = new u8[line_size];
u32 offset_1;
u32 offset_2;
for (u64 line = 0; line < height / 2; line++) {
offset_1 = line * line_size;
offset_2 = (height - line - 1) * line_size;
// Swap lines
std::memcpy(temp_row, &tex[offset_1], line_size);
std::memcpy(&tex[offset_1], &tex[offset_2], line_size);
std::memcpy(&tex[offset_2], temp_row, line_size);
}
delete[] temp_row;
}
MICROPROFILE_DEFINE(OpenGL_TextureUL, "OpenGL", "Texture Upload", MP_RGB(128, 192, 64));
void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint read_fb_handle,
GLuint draw_fb_handle) {
@ -865,8 +884,13 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
ASSERT(gl_buffer_size == width * height * GetGLBytesPerPixel(pixel_format));
// Decode and dump texture if texture dumping is enabled
// or read texture and replace
bool should_dump = false;
bool should_use_custom_tex = false;
std::string dump_path;
std::vector<u8> decoded_png;
u32 png_width;
u32 png_height;
if (Settings::values.dump_textures) {
dump_path = fmt::format("{}/textures", FileUtil::GetUserPath(FileUtil::UserPath::DumpDir));
if (!FileUtil::IsDirectory(dump_path))
@ -880,8 +904,17 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
const u64 tex_hash = Common::ComputeHash64(gl_buffer.get(), gl_buffer_size);
dump_path += fmt::format("/tex1_{}x{}_{:016X}_{}.png", width, height, tex_hash,
static_cast<u32>(pixel_format));
if (!FileUtil::Exists(dump_path)) {
if (!FileUtil::Exists(dump_path))
should_dump = true;
else {
u32 lodepng_ret = lodepng::decode(decoded_png, png_width, png_height, dump_path);
if (lodepng_ret)
LOG_CRITICAL(Render_OpenGL, "Failed to load custom texture: {}",
lodepng_error_text(lodepng_ret));
else {
FlipRGBA8Texture(decoded_png, png_width, png_height);
should_use_custom_tex = true;
}
}
}
@ -896,7 +929,7 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
// If not 1x scale, create 1x texture that we will blit from to replace texture subrect in
// surface
OGLTexture unscaled_tex;
if (res_scale != 1) {
if (res_scale != 1 && !should_use_custom_tex) {
x0 = 0;
y0 = 0;
@ -913,39 +946,37 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
// Ensure no bad interactions with GL_UNPACK_ALIGNMENT
ASSERT(stride * GetGLBytesPerPixel(pixel_format) % 4 == 0);
if (!should_use_custom_tex) {
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(stride));
glActiveTexture(GL_TEXTURE0);
glTexSubImage2D(GL_TEXTURE_2D, 0, x0, y0, static_cast<GLsizei>(rect.GetWidth()),
static_cast<GLsizei>(rect.GetHeight()), tuple.format, tuple.type,
&gl_buffer[buffer_offset]);
} else {
AllocateSurfaceTexture(texture.handle, GetFormatTuple(PixelFormat::RGBA8), png_width,
png_height);
cur_state.texture_units[0].texture_2d = texture.handle;
cur_state.Apply();
// always going to be using rgba8
glPixelStorei(GL_UNPACK_ROW_LENGTH, static_cast<GLint>(png_width));
glActiveTexture(GL_TEXTURE0);
// todo: properly handle offsets
glTexSubImage2D(GL_TEXTURE_2D, 0, x0, y0, png_width, png_height, GL_RGBA, GL_UNSIGNED_BYTE,
decoded_png.data());
}
glPixelStorei(GL_UNPACK_ROW_LENGTH, 0);
if (should_dump) {
// Dump texture to RGBA8 and encode as PNG
LOG_INFO(Render_OpenGL, "Dumping texture to {}", dump_path);
std::vector<u8> decoded_texture;
std::vector<u8> png;
decoded_texture.resize(width * height * 4);
decoded_texture.resize(rect.GetWidth() * rect.GetHeight() * 4);
glBindTexture(GL_TEXTURE_2D, target_tex);
glGetTexImage(GL_TEXTURE_2D, 0, GL_RGBA, GL_UNSIGNED_BYTE, &decoded_texture[0]);
glBindTexture(GL_TEXTURE_2D, 0);
// Flip the RGBA8 texture
assert(rgba8_tex.size() = width * height * 4);
const u64 line_size = width * 4;
// Thanks MSVC for not being able to make variable length arrays
u8* temp_row = new u8[line_size];
u32 offset_1;
u32 offset_2;
for (u64 line = 0; line < height / 2; line++) {
offset_1 = line * line_size;
offset_2 = (height - line - 1) * line_size;
// Swap lines
std::memcpy(temp_row, &decoded_texture[offset_1], line_size);
std::memcpy(&decoded_texture[offset_1], &decoded_texture[offset_2], line_size);
std::memcpy(&decoded_texture[offset_2], temp_row, line_size);
}
delete temp_row;
FlipRGBA8Texture(decoded_texture, width, height);
u32 png_error = lodepng::encode(dump_path, decoded_texture, width, height);
if (png_error) {
LOG_CRITICAL(Render_OpenGL, "Failed to save decoded texture! {}",
@ -956,7 +987,7 @@ void CachedSurface::UploadGLTexture(const Common::Rectangle<u32>& rect, GLuint r
cur_state.texture_units[0].texture_2d = old_tex;
cur_state.Apply();
if (res_scale != 1) {
if (res_scale != 1 && !should_use_custom_tex) {
auto scaled_rect = rect;
scaled_rect.left *= res_scale;
scaled_rect.top *= res_scale;