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Added discard framebuffer resources after use.

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This commit is contained in:
Branimir Karadžić 2015-01-11 18:00:08 -08:00
parent ff7f967c1b
commit bb96d76c0a
10 changed files with 148 additions and 49 deletions
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8
examples/09-hdr/hdr.cpp
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@ -8,12 +8,7 @@
#include "imgui/imgui.h"
static float s_texelHalf = 0.0f;
static bool s_originBottomLeft = false;
inline void mtxProj(float* _result, float _fovy, float _aspect, float _near, float _far)
{
bx::mtxProj(_result, _fovy, _aspect, _near, _far, s_originBottomLeft);
}
static bool s_originBottomLeft = false;
struct PosColorTexCoord0Vertex
{
@ -318,6 +313,7 @@ int _main_(int /*_argc*/, char** /*_argv*/)
}
bgfx::setViewFrameBuffer(0, fbh);
bgfx::setViewFrameBuffer(1, fbh);
bgfx::setViewClear(1, BGFX_CLEAR_DISCARD_DEPTH|BGFX_CLEAR_DISCARD_STENCIL);
bgfx::setViewRect(2, 0, 0, 128, 128);
bgfx::setViewFrameBuffer(2, lum[0]);

4
include/bgfx.c99.h
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@ -1129,7 +1129,7 @@ BGFX_C_API void bgfx_set_view_scissor(uint8_t _id, uint16_t _x, uint16_t _y, uin
* @param _depth Depth clear value.
* @param _stencil Stencil clear value.
*/
BGFX_C_API void bgfx_set_view_clear(uint8_t _id, uint8_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil);
BGFX_C_API void bgfx_set_view_clear(uint8_t _id, uint16_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil);
/**
* Set view clear flags with different clear color for each
@ -1142,7 +1142,7 @@ BGFX_C_API void bgfx_set_view_clear(uint8_t _id, uint8_t _flags, uint32_t _rgba,
* @param _depth Depth clear value.
* @param _stencil Stencil clear value.
*/
BGFX_C_API void bgfx_set_view_clear_mrt(uint8_t _id, uint8_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7);
BGFX_C_API void bgfx_set_view_clear_mrt(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7);
/**
* Set view into sequential mode. Draw calls will be sorted in the same

4
include/bgfx.h
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@ -1049,7 +1049,7 @@ namespace bgfx
/// @param _depth Depth clear value.
/// @param _stencil Stencil clear value.
///
void setViewClear(uint8_t _id, uint8_t _flags, uint32_t _rgba = 0x000000ff, float _depth = 1.0f, uint8_t _stencil = 0);
void setViewClear(uint8_t _id, uint16_t _flags, uint32_t _rgba = 0x000000ff, float _depth = 1.0f, uint8_t _stencil = 0);
/// Set view clear flags with different clear color for each
/// frame buffer texture. Must use setClearColor to setup clear color
@ -1061,7 +1061,7 @@ namespace bgfx
/// @param _depth Depth clear value.
/// @param _stencil Stencil clear value.
///
void setViewClear(uint8_t _id, uint8_t _flags, float _depth, uint8_t _stencil, uint8_t _0 = UINT8_MAX, uint8_t _1 = UINT8_MAX, uint8_t _2 = UINT8_MAX, uint8_t _3 = UINT8_MAX, uint8_t _4 = UINT8_MAX, uint8_t _5 = UINT8_MAX, uint8_t _6 = UINT8_MAX, uint8_t _7 = UINT8_MAX);
void setViewClear(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0 = UINT8_MAX, uint8_t _1 = UINT8_MAX, uint8_t _2 = UINT8_MAX, uint8_t _3 = UINT8_MAX, uint8_t _4 = UINT8_MAX, uint8_t _5 = UINT8_MAX, uint8_t _6 = UINT8_MAX, uint8_t _7 = UINT8_MAX);
/// Set view into sequential mode. Draw calls will be sorted in the same
/// order in which submit calls were called.

37
include/bgfxdefines.h
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@ -182,13 +182,36 @@
#define BGFX_STENCIL_FUNC_RMASK(_mask) ( (uint32_t(_mask)<<BGFX_STENCIL_FUNC_RMASK_SHIFT)&BGFX_STENCIL_FUNC_RMASK_MASK)
///
#define BGFX_CLEAR_NONE UINT8_C(0x00)
#define BGFX_CLEAR_COLOR UINT8_C(0x01)
#define BGFX_CLEAR_DEPTH UINT8_C(0x02)
#define BGFX_CLEAR_STENCIL UINT8_C(0x04)
#define BGFX_CLEAR_DISCARD_COLOR UINT8_C(0x08)
#define BGFX_CLEAR_DISCARD_DEPTH UINT8_C(0x10)
#define BGFX_CLEAR_DISCARD_STENCIL UINT8_C(0x20)
#define BGFX_CLEAR_NONE UINT16_C(0x0000)
#define BGFX_CLEAR_COLOR UINT16_C(0x0001)
#define BGFX_CLEAR_DEPTH UINT16_C(0x0002)
#define BGFX_CLEAR_STENCIL UINT16_C(0x0004)
#define BGFX_CLEAR_DISCARD_COLOR_0 UINT16_C(0x0008)
#define BGFX_CLEAR_DISCARD_COLOR_1 UINT16_C(0x0010)
#define BGFX_CLEAR_DISCARD_COLOR_2 UINT16_C(0x0020)
#define BGFX_CLEAR_DISCARD_COLOR_3 UINT16_C(0x0040)
#define BGFX_CLEAR_DISCARD_COLOR_4 UINT16_C(0x0080)
#define BGFX_CLEAR_DISCARD_COLOR_5 UINT16_C(0x0100)
#define BGFX_CLEAR_DISCARD_COLOR_6 UINT16_C(0x0200)
#define BGFX_CLEAR_DISCARD_COLOR_7 UINT16_C(0x0400)
#define BGFX_CLEAR_DISCARD_DEPTH UINT16_C(0x0800)
#define BGFX_CLEAR_DISCARD_STENCIL UINT16_C(0x1000)
#define BGFX_CLEAR_DISCARD_COLOR_MASK (0 \
| BGFX_CLEAR_DISCARD_COLOR_0 \
| BGFX_CLEAR_DISCARD_COLOR_1 \
| BGFX_CLEAR_DISCARD_COLOR_2 \
| BGFX_CLEAR_DISCARD_COLOR_3 \
| BGFX_CLEAR_DISCARD_COLOR_4 \
| BGFX_CLEAR_DISCARD_COLOR_5 \
| BGFX_CLEAR_DISCARD_COLOR_6 \
| BGFX_CLEAR_DISCARD_COLOR_7 \
)
#define BGFX_CLEAR_DISCARD_MASK (0 \
| BGFX_CLEAR_DISCARD_COLOR_MASK \
| BGFX_CLEAR_DISCARD_DEPTH \
| BGFX_CLEAR_DISCARD_STENCIL \
)
///
#define BGFX_DEBUG_NONE UINT32_C(0x00000000)

8
src/bgfx.cpp
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@ -2583,14 +2583,14 @@ again:
s_ctx->setViewScissor(_id, _x, _y, _width, _height);
}
void setViewClear(uint8_t _id, uint8_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil)
void setViewClear(uint8_t _id, uint16_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil)
{
BGFX_CHECK_MAIN_THREAD();
BX_CHECK(_id < BGFX_CONFIG_MAX_VIEWS, "Invalid view id: %d", _id);
s_ctx->setViewClear(_id, _flags, _rgba, _depth, _stencil);
}
void setViewClear(uint8_t _id, uint8_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7)
void setViewClear(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7)
{
BGFX_CHECK_MAIN_THREAD();
BX_CHECK(_id < BGFX_CONFIG_MAX_VIEWS, "Invalid view id: %d", _id);
@ -3270,12 +3270,12 @@ BGFX_C_API void bgfx_set_view_scissor(uint8_t _id, uint16_t _x, uint16_t _y, uin
bgfx::setViewScissor(_id, _x, _y, _width, _height);
}
BGFX_C_API void bgfx_set_view_clear(uint8_t _id, uint8_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil)
BGFX_C_API void bgfx_set_view_clear(uint8_t _id, uint16_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil)
{
bgfx::setViewClear(_id, _flags, _rgba, _depth, _stencil);
}
BGFX_C_API void bgfx_set_view_clear_mrt(uint8_t _id, uint8_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7)
BGFX_C_API void bgfx_set_view_clear_mrt(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7)
{
bgfx::setViewClear(_id, _flags, _depth, _stencil, _0, _1, _2, _3, _4, _5, _6, _7);
}

22
src/bgfx_p.h
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@ -94,7 +94,13 @@ namespace bgfx
#define BGFX_CHUNK_MAGIC_TEX BX_MAKEFOURCC('T', 'E', 'X', 0x0)
#define BGFX_CHUNK_MAGIC_VSH BX_MAKEFOURCC('V', 'S', 'H', 0x3)
#define BGFX_CLEAR_COLOR_USE_PALETTE_BIT UINT8_C(0x80)
#define BGFX_CLEAR_COLOR_USE_PALETTE UINT16_C(0x8000)
#define BGFX_CLEAR_MASK (0 \
| BGFX_CLEAR_COLOR \
| BGFX_CLEAR_DEPTH \
| BGFX_CLEAR_STENCIL \
| BGFX_CLEAR_COLOR_USE_PALETTE \
)
#include <list> // mingw wants it to be before tr1/unordered_*...
@ -204,10 +210,10 @@ namespace bgfx
struct Clear
{
uint8_t m_index[8];
float m_depth;
uint8_t m_stencil;
uint8_t m_flags;
uint8_t m_index[8];
float m_depth;
uint8_t m_stencil;
uint16_t m_flags;
};
struct Rect
@ -2852,7 +2858,7 @@ namespace bgfx
scissor.m_height = _height;
}
BGFX_API_FUNC(void setViewClear(uint8_t _id, uint8_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil) )
BGFX_API_FUNC(void setViewClear(uint8_t _id, uint16_t _flags, uint32_t _rgba, float _depth, uint8_t _stencil) )
{
Clear& clear = m_clear[_id];
clear.m_flags = _flags;
@ -2864,11 +2870,11 @@ namespace bgfx
clear.m_stencil = _stencil;
}
BGFX_API_FUNC(void setViewClear(uint8_t _id, uint8_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7) )
BGFX_API_FUNC(void setViewClear(uint8_t _id, uint16_t _flags, float _depth, uint8_t _stencil, uint8_t _0, uint8_t _1, uint8_t _2, uint8_t _3, uint8_t _4, uint8_t _5, uint8_t _6, uint8_t _7) )
{
Clear& clear = m_clear[_id];
clear.m_flags = (_flags & ~BGFX_CLEAR_COLOR)
| (0xff != (_0&_1&_2&_3&_4&_5&_6&_7) ? BGFX_CLEAR_COLOR|BGFX_CLEAR_COLOR_USE_PALETTE_BIT : 0)
| (0xff != (_0&_1&_2&_3&_4&_5&_6&_7) ? BGFX_CLEAR_COLOR|BGFX_CLEAR_COLOR_USE_PALETTE : 0)
;
clear.m_index[0] = _0;
clear.m_index[1] = _1;

6
src/glcontext_glx.cpp
View File

@ -15,9 +15,9 @@ namespace bgfx
typedef int (*PFNGLXSWAPINTERVALMESAPROC)(uint32_t _interval);
PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB;
PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT;
PFNGLXSWAPINTERVALMESAPROC glXSwapIntervalMESA;
PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI;
PFNGLXSWAPINTERVALEXTPROC glXSwapIntervalEXT;
PFNGLXSWAPINTERVALMESAPROC glXSwapIntervalMESA;
PFNGLXSWAPINTERVALSGIPROC glXSwapIntervalSGI;
# define GL_IMPORT(_optional, _proto, _func, _import) _proto _func
# include "glimports.h"

11
src/glimports.h
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@ -31,7 +31,7 @@
#define GL_IMPORT_____x(_optional, _proto, _func) GL_EXTENSION(_optional, _proto, _func, _func ## XXXXX)
#if GL_IMPORT_TYPEDEFS
typedef void (GL_APIENTRYP GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
typedef void (GL_APIENTRYP GLDEBUGPROC)(GLenum source,GLenum type,GLuint id,GLenum severity,GLsizei length,const GLchar *message,const void *userParam);
typedef void (GL_APIENTRYP PFNGLACTIVETEXTUREPROC) (GLenum texture);
typedef void (GL_APIENTRYP PFNGLATTACHSHADERPROC) (GLuint program, GLuint shader);
typedef void (GL_APIENTRYP PFNGLBEGINQUERYPROC) (GLenum target, GLuint id);
@ -140,6 +140,7 @@ typedef void (GL_APIENTRYP PFNGLGETSHADERINFOLOGPROC) (GLuint shader,
typedef void (GL_APIENTRYP PFNGLGETSHADERIVPROC) (GLuint shader, GLenum pname, GLint *params);
typedef const GLubyte* (GL_APIENTRYP PFNGLGETSTRINGPROC) (GLenum name);
typedef GLint (GL_APIENTRYP PFNGLGETUNIFORMLOCATIONPROC) (GLuint program, const GLchar *name);
typedef void (GL_APIENTRYP PFNGLINVALIDATEFRAMEBUFFERPROC) (GLenum target, GLsizei numAttachments, const GLenum *attachments);
typedef void (GL_APIENTRYP PFNGLLINKPROGRAMPROC) (GLuint program);
typedef void (GL_APIENTRYP PFNGLMEMORYBARRIERPROC) (GLbitfield barriers);
typedef void (GL_APIENTRYP PFNGLOBJECTLABELPROC) (GLenum identifier, GLuint name, GLsizei length, const GLchar *label);
@ -308,6 +309,7 @@ GL_IMPORT______(false, PFNGLGETSHADERIVPROC, glGetShaderiv
GL_IMPORT______(false, PFNGLGETSHADERINFOLOGPROC, glGetShaderInfoLog);
GL_IMPORT______(false, PFNGLGETSTRINGPROC, glGetString);
GL_IMPORT______(false, PFNGLGETUNIFORMLOCATIONPROC, glGetUniformLocation);
GL_IMPORT______(true, PFNGLINVALIDATEFRAMEBUFFERPROC, glInvalidateFramebuffer);
GL_IMPORT______(false, PFNGLLINKPROGRAMPROC, glLinkProgram);
GL_IMPORT______(true, PFNGLMEMORYBARRIERPROC, glMemoryBarrier);
GL_IMPORT______(true, PFNGLOBJECTLABELPROC, glObjectLabel);
@ -386,6 +388,8 @@ GL_IMPORT_ARB__(true, PFNGLDRAWELEMENTSINSTANCEDPROC, glDrawElement
GL_IMPORT_ARB__(true, PFNGLDRAWBUFFERSPROC, glDrawBuffers);
GL_IMPORT_ARB__(true, PFNGLINVALIDATEFRAMEBUFFERPROC, glInvalidateFramebuffer);
GL_IMPORT_EXT__(true, PFNGLBINDFRAMEBUFFERPROC, glBindFramebuffer);
GL_IMPORT_EXT__(true, PFNGLGENFRAMEBUFFERSPROC, glGenFramebuffers);
GL_IMPORT_EXT__(true, PFNGLDELETEFRAMEBUFFERSPROC, glDeleteFramebuffers);
@ -474,6 +478,9 @@ GL_IMPORT_NV___(true, PFNGLDELETEQUERIESPROC, glDeleteQueri
GL_IMPORT_NV___(true, PFNGLBEGINQUERYPROC, glBeginQuery);
GL_IMPORT_NV___(true, PFNGLENDQUERYPROC, glEndQuery);
GL_IMPORT_NV___(true, PFNGLGETQUERYOBJECTUI64VPROC, glGetQueryObjectui64v);
GL_IMPORT (true, PFNGLINVALIDATEFRAMEBUFFERPROC, glInvalidateFramebuffer, glDiscardFramebufferEXT);
#else
GL_IMPORT______(true, PFNGLTEXIMAGE3DPROC, glTexImage3D);
GL_IMPORT______(true, PFNGLTEXSUBIMAGE3DPROC, glTexSubImage3D);
@ -534,6 +541,8 @@ GL_IMPORT______(true, PFNGLBEGINQUERYPROC, glBeginQuery)
GL_IMPORT______(true, PFNGLENDQUERYPROC, glEndQuery);
GL_IMPORT______(true, PFNGLGETQUERYOBJECTUI64VPROC, glGetQueryObjectui64v);
GL_IMPORT______(true, PFNGLINVALIDATEFRAMEBUFFERPROC, glInvalidateFramebuffer);
# endif // BGFX_CONFIG_RENDERER_OPENGLES < 30
#endif // !BGFX_CONFIG_RENDERER_OPENGL

82
src/renderer_gl.cpp
View File

@ -322,6 +322,7 @@ namespace bgfx
ARB_half_float_pixel,
ARB_half_float_vertex,
ARB_instanced_arrays,
ARB_invalidate_subdata,
ARB_map_buffer_range,
ARB_multisample,
ARB_occlusion_query,
@ -363,6 +364,7 @@ namespace bgfx
EXT_compressed_ETC1_RGB8_sub_texture,
EXT_debug_label,
EXT_debug_marker,
EXT_discard_framebuffer,
EXT_draw_buffers,
EXT_frag_depth,
EXT_framebuffer_blit,
@ -480,6 +482,7 @@ namespace bgfx
{ "ARB_half_float_pixel", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
{ "ARB_half_float_vertex", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
{ "ARB_instanced_arrays", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
{ "ARB_invalidate_subdata", BGFX_CONFIG_RENDERER_OPENGL >= 43, true },
{ "ARB_map_buffer_range", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
{ "ARB_multisample", false, true },
{ "ARB_occlusion_query", BGFX_CONFIG_RENDERER_OPENGL >= 33, true },
@ -521,6 +524,7 @@ namespace bgfx
{ "EXT_compressed_ETC1_RGB8_sub_texture", false, true }, // GLES2 extension.
{ "EXT_debug_label", false, true },
{ "EXT_debug_marker", false, true },
{ "EXT_discard_framebuffer", false, true }, // GLES2 extension.
{ "EXT_draw_buffers", false, true }, // GLES2 extension.
{ "EXT_frag_depth", false, true }, // GLES2 extension.
{ "EXT_framebuffer_blit", BGFX_CONFIG_RENDERER_OPENGL >= 30, true },
@ -691,6 +695,10 @@ namespace bgfx
{
}
static void GL_APIENTRY stubInvalidateFramebuffer(GLenum /*_target*/, GLsizei /*_numAttachments*/, const GLenum* /*_attachments*/)
{
}
typedef void (*PostSwapBuffersFn)(uint32_t _width, uint32_t _height);
static const char* getGLString(GLenum _name)
@ -843,6 +851,7 @@ namespace bgfx
RendererContextGL()
: m_numWindows(1)
, m_rtMsaa(false)
, m_fbDiscard(BGFX_CLEAR_NONE)
, m_capture(NULL)
, m_captureSize(0)
, m_maxAnisotropy(0.0f)
@ -1364,6 +1373,11 @@ namespace bgfx
glObjectLabel = stubObjectLabel;
}
if (NULL == glInvalidateFramebuffer)
{
glInvalidateFramebuffer = stubInvalidateFramebuffer;
}
if (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) )
{
m_queries.create();
@ -1756,14 +1770,24 @@ namespace bgfx
) );
}
uint32_t setFrameBuffer(FrameBufferHandle _fbh, uint32_t _height, bool _msaa = true)
uint32_t setFrameBuffer(FrameBufferHandle _fbh, uint32_t _height, uint8_t _discard = BGFX_CLEAR_NONE, bool _msaa = true)
{
if (isValid(m_fbh)
&& m_fbh.idx != _fbh.idx
&& m_rtMsaa)
&& (BGFX_CLEAR_NONE != m_fbDiscard || m_rtMsaa) )
{
FrameBufferGL& frameBuffer = m_frameBuffers[m_fbh.idx];
frameBuffer.resolve();
if (m_rtMsaa)
{
frameBuffer.resolve();
}
if (BGFX_CLEAR_NONE != m_fbDiscard)
{
frameBuffer.discard(m_fbDiscard);
}
m_fbDiscard = BGFX_CLEAR_NONE;
}
m_glctx.makeCurrent(NULL);
@ -1788,8 +1812,9 @@ namespace bgfx
}
}
m_fbh = _fbh;
m_rtMsaa = _msaa;
m_fbh = _fbh;
m_fbDiscard = _discard;
m_rtMsaa = _msaa;
return _height;
}
@ -2258,7 +2283,7 @@ namespace bgfx
GLuint flags = 0;
if (BGFX_CLEAR_COLOR & _clear.m_flags)
{
if (BGFX_CLEAR_COLOR_USE_PALETTE_BIT & _clear.m_flags)
if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
{
uint8_t index = (uint8_t)bx::uint32_min(BGFX_CONFIG_MAX_CLEAR_COLOR_PALETTE-1, _clear.m_index[0]);
const float* rgba = _palette[index];
@ -2380,7 +2405,7 @@ namespace bgfx
GL_CHECK(glUseProgram(program.m_id) );
program.bindAttributes(vertexDecl, 0);
if (BGFX_CLEAR_COLOR_USE_PALETTE_BIT & _clear.m_flags)
if (BGFX_CLEAR_COLOR_USE_PALETTE & _clear.m_flags)
{
float mrtClear[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS][4];
for (uint32_t ii = 0; ii < numMrt; ++ii)
@ -2433,6 +2458,7 @@ namespace bgfx
bool m_rtMsaa;
FrameBufferHandle m_fbh;
uint32_t m_fbDiscard;
Resolution m_resolution;
void* m_capture;
@ -4100,6 +4126,42 @@ namespace bgfx
}
}
void FrameBufferGL::discard(uint8_t _flags)
{
GLenum buffers[BGFX_CONFIG_MAX_FRAME_BUFFER_ATTACHMENTS+2];
uint32_t idx = 0;
if (BGFX_CLEAR_NONE != (_flags & BGFX_CLEAR_DISCARD_COLOR_MASK) )
{
for (uint32_t ii = 0, num = m_num; ii < num; ++ii)
{
if (BGFX_CLEAR_NONE != (_flags & (BGFX_CLEAR_DISCARD_COLOR_0<<ii) ) )
{
buffers[idx++] = GL_COLOR_ATTACHMENT0 + ii;
}
}
}
uint32_t dsFlags = _flags & (BGFX_CLEAR_DISCARD_DEPTH|BGFX_CLEAR_DISCARD_STENCIL);
if (BGFX_CLEAR_NONE != dsFlags)
{
if ( (BGFX_CLEAR_DISCARD_DEPTH|BGFX_CLEAR_DISCARD_STENCIL) == dsFlags)
{
buffers[idx++] = GL_DEPTH_STENCIL_ATTACHMENT;
}
else if (BGFX_CLEAR_DISCARD_DEPTH == dsFlags)
{
buffers[idx++] = GL_DEPTH_ATTACHMENT;
}
else if (BGFX_CLEAR_DISCARD_STENCIL == dsFlags)
{
buffers[idx++] = GL_STENCIL_ATTACHMENT;
}
}
GL_CHECK(glInvalidateFramebuffer(GL_FRAMEBUFFER, idx, buffers) );
}
void RendererContextGL::submit(Frame* _render, ClearQuad& _clearQuad, TextVideoMemBlitter& _textVideoMemBlitter)
{
if (1 < m_numWindows
@ -4182,6 +4244,7 @@ namespace bgfx
bool viewHasScissor = false;
Rect viewScissorRect;
viewScissorRect.clear();
uint8_t discardFlags = BGFX_CLEAR_NONE;
const bool blendIndependentSupported = s_extension[Extension::ARB_draw_buffers_blend].m_supported;
const bool computeSupported = (BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGL) && s_extension[Extension::ARB_compute_shader].m_supported)
@ -4235,7 +4298,7 @@ namespace bgfx
? _render->m_hmd.height
: _render->m_resolution.m_height
;
height = setFrameBuffer(fbh, height);
height = setFrameBuffer(fbh, height, discardFlags);
}
viewRestart = ( (BGFX_VIEW_STEREO == (_render->m_viewFlags[view] & BGFX_VIEW_STEREO) ) );
@ -4284,8 +4347,9 @@ namespace bgfx
) );
Clear& clear = _render->m_clear[view];
discardFlags = clear.m_flags & BGFX_CLEAR_DISCARD_MASK;
if (BGFX_CLEAR_NONE != clear.m_flags)
if (BGFX_CLEAR_NONE != (clear.m_flags & BGFX_CLEAR_MASK) )
{
clearQuad(_clearQuad, viewState.m_rect, clear, height, _render->m_clearColor);
}

1
src/renderer_gl.h
View File

@ -835,6 +835,7 @@ namespace bgfx
void create(uint16_t _denseIdx, void* _nwh, uint32_t _width, uint32_t _height, TextureFormat::Enum _depthFormat);
uint16_t destroy();
void resolve();
void discard(uint8_t _flags);
SwapChainGL* m_swapChain;
GLuint m_fbo[2];