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Larger debug text for retina display (#3109)

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* Add Init.Resolution.scaleDebug

* clamp scale to BGFX_CONFIG_MAX_SCALE_DEBUG

* update version

* Use textWdith/textHeight in helloworld
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云风 2023-06-14 09:17:38 +08:00 committed by GitHub
parent b5471d14f8
commit 498c34273b
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GPG Key ID: 4AEE18F83AFDEB23
12 changed files with 33 additions and 15 deletions
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1
bindings/bf/bgfx.bf
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@ -2114,6 +2114,7 @@ public static class bgfx
public uint32 reset;
public uint8 numBackBuffers;
public uint8 maxFrameLatency;
public uint8 scaleDebug;
}
[CRepr]

1
bindings/cs/bgfx.cs
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@ -2093,6 +2093,7 @@ public static partial class bgfx
public uint reset;
public byte numBackBuffers;
public byte maxFrameLatency;
public byte scaleDebug;
}
public unsafe struct Init

3
bindings/d/types.d
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@ -18,7 +18,7 @@ enum expandEnum(EnumType, string fqnEnumType = EnumType.stringof) = (){
extern(C) @nogc nothrow:
enum uint BGFX_API_VERSION = 118;
enum uint BGFX_API_VERSION = 119;
alias bgfx_view_id_t = ushort;
@ -886,6 +886,7 @@ struct bgfx_resolution_t
uint reset; /// Reset parameters.
ubyte numBackBuffers; /// Number of back buffers.
ubyte maxFrameLatency; /// Maximum frame latency.
ubyte scaleDebug; /// Scale factor for debug view.
}
/// Configurable runtime limits parameters.

1
bindings/zig/bgfx.zig
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@ -1338,6 +1338,7 @@ pub const Caps = extern struct {
reset: u32,
numBackBuffers: u8,
maxFrameLatency: u8,
scaleDebug: u8,
};
pub const Init = extern struct {

8
examples/00-helloworld/helloworld.cpp
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@ -90,9 +90,12 @@ public:
// Use debug font to print information about this example.
bgfx::dbgTextClear();
const bgfx::Stats* stats = bgfx::getStats();
bgfx::dbgTextImage(
bx::max<uint16_t>(uint16_t(m_width /2/8 ), 20)-20
, bx::max<uint16_t>(uint16_t(m_height/2/16), 6)-6
bx::max<uint16_t>(uint16_t(stats->textWidth/2), 20)-20
, bx::max<uint16_t>(uint16_t(stats->textHeight/2), 6)-6
, 40
, 12
, s_logo
@ -103,7 +106,6 @@ public:
bgfx::dbgTextPrintf(80, 1, 0x0f, "\x1b[;0m \x1b[;1m \x1b[; 2m \x1b[; 3m \x1b[; 4m \x1b[; 5m \x1b[; 6m \x1b[; 7m \x1b[0m");
bgfx::dbgTextPrintf(80, 2, 0x0f, "\x1b[;8m \x1b[;9m \x1b[;10m \x1b[;11m \x1b[;12m \x1b[;13m \x1b[;14m \x1b[;15m \x1b[0m");
const bgfx::Stats* stats = bgfx::getStats();
bgfx::dbgTextPrintf(0, 2, 0x0f, "Backbuffer %dW x %dH in pixels, debug text %dW x %dH in characters."
, stats->width
, stats->height

1
include/bgfx/bgfx.h
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@ -647,6 +647,7 @@ namespace bgfx
uint32_t reset; //!< Reset parameters.
uint8_t numBackBuffers; //!< Number of back buffers.
uint8_t maxFrameLatency; //!< Maximum frame latency.
uint8_t scaleDebug; //!< Scale factor for debug view.
};
/// Initialization parameters used by `bgfx::init`.

1
include/bgfx/c99/bgfx.h
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@ -639,6 +639,7 @@ typedef struct bgfx_resolution_s
uint32_t reset; /** Reset parameters. */
uint8_t numBackBuffers; /** Number of back buffers. */
uint8_t maxFrameLatency; /** Maximum frame latency. */
uint8_t scaleDebug; /** Scale factor for debug view. */
} bgfx_resolution_t;

2
include/bgfx/defines.h
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@ -15,7 +15,7 @@
#ifndef BGFX_DEFINES_H_HEADER_GUARD
#define BGFX_DEFINES_H_HEADER_GUARD
#define BGFX_API_VERSION UINT32_C(118)
#define BGFX_API_VERSION UINT32_C(119)
/**
* Color RGB/alpha/depth write. When it's not specified write will be disabled.

3
scripts/bgfx.idl
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@ -1,7 +1,7 @@
-- vim: syntax=lua
-- bgfx interface
version(118)
version(119)
typedef "bool"
typedef "char"
@ -791,6 +791,7 @@ struct.Resolution { ctor }
.reset "uint32_t" --- Reset parameters.
.numBackBuffers "uint8_t" --- Number of back buffers.
.maxFrameLatency "uint8_t" --- Maximum frame latency.
.scaleDebug "uint8_t" --- Scale factor for debug view.
--- Configurable runtime limits parameters.
struct.Limits { namespace = "Init" }

18
src/bgfx.cpp
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@ -669,7 +669,7 @@ namespace bgfx
static const uint32_t numBatchVertices = numCharsPerBatch*4;
static const uint32_t numBatchIndices = numCharsPerBatch*6;
void TextVideoMemBlitter::init()
void TextVideoMemBlitter::init(uint8_t scale)
{
BGFX_CHECK_API_THREAD();
m_layout
@ -709,6 +709,7 @@ namespace bgfx
m_vb = s_ctx->createTransientVertexBuffer(numBatchVertices*m_layout.m_stride, &m_layout);
m_ib = s_ctx->createTransientIndexBuffer(numBatchIndices*2);
m_scale = bx::max<uint8_t>(scale, 1);
}
void TextVideoMemBlitter::shutdown()
@ -789,7 +790,8 @@ namespace bgfx
const float texelHeightHalf = RendererType::Direct3D9 == g_caps.rendererType ? texelHeight*0.5f : 0.0f;
const float utop = (_mem.m_small ? 0.0f : 8.0f)*texelHeight + texelHeightHalf;
const float ubottom = (_mem.m_small ? 8.0f : 24.0f)*texelHeight + texelHeightHalf;
const float fontHeight = (_mem.m_small ? 8.0f : 16.0f);
const float fontHeight = (_mem.m_small ? 8.0f : 16.0f)*_blitter.m_scale;
const float fontWidth = 8.0f * _blitter.m_scale;
_renderCtx->blitSetup(_blitter);
@ -828,10 +830,10 @@ namespace bgfx
Vertex vert[4] =
{
{ (xx )*8.0f, (yy )*fontHeight, 0.0f, fg, bg, (ch )*8.0f*texelWidth - texelWidthHalf, utop },
{ (xx+1)*8.0f, (yy )*fontHeight, 0.0f, fg, bg, (ch+1)*8.0f*texelWidth - texelWidthHalf, utop },
{ (xx+1)*8.0f, (yy+1)*fontHeight, 0.0f, fg, bg, (ch+1)*8.0f*texelWidth - texelWidthHalf, ubottom },
{ (xx )*8.0f, (yy+1)*fontHeight, 0.0f, fg, bg, (ch )*8.0f*texelWidth - texelWidthHalf, ubottom },
{ (xx )*fontWidth, (yy )*fontHeight, 0.0f, fg, bg, (ch )*8.0f*texelWidth - texelWidthHalf, utop },
{ (xx+1)*fontWidth, (yy )*fontHeight, 0.0f, fg, bg, (ch+1)*8.0f*texelWidth - texelWidthHalf, utop },
{ (xx+1)*fontWidth, (yy+1)*fontHeight, 0.0f, fg, bg, (ch+1)*8.0f*texelWidth - texelWidthHalf, ubottom },
{ (xx )*fontWidth, (yy+1)*fontHeight, 0.0f, fg, bg, (ch )*8.0f*texelWidth - texelWidthHalf, ubottom },
};
bx::memCopy(vertex, vert, sizeof(vert) );
@ -1893,6 +1895,7 @@ namespace bgfx
m_init.resolution.reset &= ~BGFX_RESET_INTERNAL_FORCE;
m_init.resolution.numBackBuffers = bx::clamp<uint8_t>(_init.resolution.numBackBuffers, 2, BGFX_CONFIG_MAX_BACK_BUFFERS);
m_init.resolution.maxFrameLatency = bx::min<uint8_t>(_init.resolution.maxFrameLatency, BGFX_CONFIG_MAX_FRAME_LATENCY);
m_init.resolution.scaleDebug = bx::clamp<uint8_t>(_init.resolution.scaleDebug, 1, BGFX_CONFIG_MAX_SCALE_DEBUG);
dump(m_init.resolution);
if (true
@ -2029,7 +2032,7 @@ namespace bgfx
dumpCaps();
m_textVideoMemBlitter.init();
m_textVideoMemBlitter.init(m_init.resolution.scaleDebug);
m_clearQuad.init();
m_submit->m_transientVb = createTransientVertexBuffer(_init.limits.transientVbSize);
@ -3433,6 +3436,7 @@ namespace bgfx
, reset(BGFX_RESET_NONE)
, numBackBuffers(2)
, maxFrameLatency(0)
, scaleDebug(0)
{
}

5
src/bgfx_p.h
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@ -757,7 +757,7 @@ namespace bgfx
struct TextVideoMemBlitter
{
void init();
void init(uint8_t scale);
void shutdown();
TextureHandle m_texture;
@ -765,6 +765,7 @@ namespace bgfx
TransientIndexBuffer* m_ib;
VertexLayout m_layout;
ProgramHandle m_program;
uint8_t m_scale;
};
struct RendererContextI;
@ -3249,7 +3250,7 @@ namespace bgfx
{
BGFX_MUTEX_SCOPE(m_resourceApiLock);
m_submit->m_textVideoMem->resize(_small, (uint16_t)m_init.resolution.width, (uint16_t)m_init.resolution.height);
m_submit->m_textVideoMem->resize(_small, (uint16_t)m_init.resolution.width / m_init.resolution.scaleDebug , (uint16_t)m_init.resolution.height / m_init.resolution.scaleDebug );
m_submit->m_textVideoMem->clear(_attr);
}

4
src/config.h
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@ -381,6 +381,10 @@ BX_STATIC_ASSERT(bx::isPowerOf2(BGFX_CONFIG_MAX_VIEWS), "BGFX_CONFIG_MAX_VIEWS m
# define BGFX_CONFIG_MAX_FRAME_LATENCY 3
#endif // BGFX_CONFIG_MAX_FRAME_LATENCY
#ifndef BGFX_CONFIG_MAX_SCALE_DEBUG
# define BGFX_CONFIG_MAX_SCALE_DEBUG 4
#endif // BGFX_CONFIG_MAX_SCALE_DEBUG
#ifndef BGFX_CONFIG_PREFER_DISCRETE_GPU
// On laptops with integrated and discrete GPU, prefer selection of discrete GPU.
// nVidia and AMD, on Windows only.