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WIP: Adding texture compare modes and shadow samplers support.

This commit is contained in:
Branimir Karadžić 2014-02-23 11:21:23 -08:00
parent 70796a4f41
commit a68ffbf4a0
8 changed files with 252 additions and 97 deletions
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22
include/bgfx.h
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@ -199,6 +199,16 @@
#define BGFX_TEXTURE_RT_MSAA_MASK UINT32_C(0x00007000)
#define BGFX_TEXTURE_RT_BUFFER_ONLY UINT32_C(0x00008000)
#define BGFX_TEXTURE_RT_MASK UINT32_C(0x0000f000)
#define BGFX_TEXTURE_COMPARE_LESS UINT32_C(0x00010000)
#define BGFX_TEXTURE_COMPARE_LEQUAL UINT32_C(0x00020000)
#define BGFX_TEXTURE_COMPARE_EQUAL UINT32_C(0x00030000)
#define BGFX_TEXTURE_COMPARE_GEQUAL UINT32_C(0x00040000)
#define BGFX_TEXTURE_COMPARE_GREATER UINT32_C(0x00050000)
#define BGFX_TEXTURE_COMPARE_NOTEQUAL UINT32_C(0x00060000)
#define BGFX_TEXTURE_COMPARE_NEVER UINT32_C(0x00070000)
#define BGFX_TEXTURE_COMPARE_ALWAYS UINT32_C(0x00080000)
#define BGFX_TEXTURE_COMPARE_SHIFT 16
#define BGFX_TEXTURE_COMPARE_MASK UINT32_C(0x000f0000)
#define BGFX_TEXTURE_RESERVED_SHIFT 24
#define BGFX_TEXTURE_RESERVED_MASK UINT32_C(0xff000000)
@ -240,11 +250,13 @@
#define BGFX_CAPS_TEXTURE_FORMAT_D24F UINT64_C(0x0000000000100000)
#define BGFX_CAPS_TEXTURE_FORMAT_D32F UINT64_C(0x0000000000200000)
#define BGFX_CAPS_TEXTURE_FORMAT_D0S8 UINT64_C(0x0000000000400000)
#define BGFX_CAPS_TEXTURE_3D UINT64_C(0x0000000001000000)
#define BGFX_CAPS_VERTEX_ATTRIB_HALF UINT64_C(0x0000000004000000)
#define BGFX_CAPS_INSTANCING UINT64_C(0x0000000008000000)
#define BGFX_CAPS_RENDERER_MULTITHREADED UINT64_C(0x0000000010000000)
#define BGFX_CAPS_FRAGMENT_DEPTH UINT64_C(0x0000000020000000)
#define BGFX_CAPS_TEXTURE_COMPARE_LEQUAL UINT64_C(0x0000000001000000)
#define BGFX_CAPS_TEXTURE_COMPARE_ALL UINT64_C(0x0000000003000000)
#define BGFX_CAPS_TEXTURE_3D UINT64_C(0x0000000004000000)
#define BGFX_CAPS_VERTEX_ATTRIB_HALF UINT64_C(0x0000000008000000)
#define BGFX_CAPS_INSTANCING UINT64_C(0x0000000010000000)
#define BGFX_CAPS_RENDERER_MULTITHREADED UINT64_C(0x0000000020000000)
#define BGFX_CAPS_FRAGMENT_DEPTH UINT64_C(0x0000000040000000)
#define BGFX_CAPS_TEXTURE_DEPTH_MASK (0 \
| BGFX_CAPS_TEXTURE_FORMAT_D16 \

108
src/bgfx_shader.sh
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@ -35,6 +35,35 @@ vec4 bgfxTexture2DLod(BgfxSampler2D _sampler, vec2 _coord, float _level)
return _sampler.m_texture.SampleLevel(_sampler.m_sampler, _coord, _level);
}
vec4 bgfxTexture2DProj(BgfxSampler2D _sampler, vec3 _coord)
{
vec2 coord = _coord.xy * rcp(_coord.z);
return _sampler.m_texture.Sample(_sampler.m_sampler, coord);
}
vec4 bgfxTexture2DProj(BgfxSampler2D _sampler, vec4 _coord)
{
vec2 coord = _coord.xy * rcp(_coord.w);
return _sampler.m_texture.Sample(_sampler.m_sampler, coord);
}
struct BgfxSampler2DShadow
{
SamplerComparisonState m_sampler;
Texture2D m_texture;
};
float bgfxShadow2D(BgfxSampler2DShadow _sampler, vec3 _coord)
{
return _sampler.m_texture.SampleCmp(_sampler.m_sampler, _coord.xy, _coord.z);
}
float bgfxShadow2DProj(BgfxSampler2DShadow _sampler, vec4 _coord)
{
vec3 coord = _coord.xyz * rcp(_coord.w);
return _sampler.m_texture.SampleCmp(_sampler.m_sampler, coord.xy, coord.z);
}
struct BgfxSampler3D
{
SamplerState m_sampler;
@ -74,6 +103,15 @@ vec4 bgfxTextureCubeLod(BgfxSamplerCube _sampler, vec3 _coord, float _level)
# define sampler2D BgfxSampler2D
# define texture2D(_sampler, _coord) bgfxTexture2D(_sampler, _coord)
# define texture2DLod(_sampler, _coord, _level) bgfxTexture2DLod(_sampler, _coord, _level)
# define texture2DProj(_sampler, _coord) bgfxTexture2DProj(_sampler, _coord)
# define SAMPLER2DSHADOW(_name, _reg) \
uniform SamplerComparisonState _name ## Sampler : register(s[_reg]); \
uniform Texture2D _name ## Texture : register(t[_reg]); \
static BgfxSampler2DShadow _name = { _name ## Sampler, _name ## Texture }
# define sampler2DShadow BgfxSampler2DShadow
# define shadow2D(_sampler, _coord) bgfxShadow2D(_sampler, _coord)
# define shadow2DProj(_sampler, _coord) bgfxShadow2DProj(_sampler, _coord)
# define SAMPLER3D(_name, _reg) \
uniform SamplerState _name ## Sampler : register(s[_reg]); \
@ -91,12 +129,45 @@ vec4 bgfxTextureCubeLod(BgfxSamplerCube _sampler, vec3 _coord, float _level)
# define textureCube(_sampler, _coord) bgfxTextureCube(_sampler, _coord)
# define textureCubeLod(_sampler, _coord, _level) bgfxTextureCubeLod(_sampler, _coord, _level)
# else
# define sampler2DShadow sampler2D
vec4 bgfxTexture2DProj(sampler2D _sampler, vec3 _coord)
{
return tex2Dproj(_sampler, vec4(_coord.xy, 0.0, _coord.z) );
}
vec4 bgfxTexture2DProj(sampler2D _sampler, vec4 _coord)
{
return tex2Dproj(_sampler, _coord);
}
float bgfxShadow2D(sampler2DShadow _sampler, vec3 _coord)
{
float occluder = tex2D(_sampler, _coord.xy).x;
return step(_coord.z, occluder);
}
float bgfxShadow2DProj(sampler2DShadow _sampler, vec4 _coord)
{
vec3 coord = _coord.xyz * rcp(_coord.w);
float occluder = tex2D(_sampler, coord.xy).x;
return step(coord.z, occluder);
}
# define SAMPLER2D(_name, _reg) uniform sampler2D _name : register(s ## _reg)
# define texture2D(_sampler, _coord) tex2D(_sampler, _coord)
# define texture2DLod(_sampler, _coord, _level) tex2Dlod(_sampler, vec4( (_coord).xy, _level, 0.0) )
# define texture2DProj(_sampler, _coord) bgfxTexture2DProj(_sampler, _coord)
# define SAMPLER2DSHADOW(_name, _reg) uniform sampler2DShadow _name : register(s ## _reg)
# define shadow2D(_sampler, _coord) bgfxShadow2D(_sampler, _coord)
# define shadow2DProj(_sampler, _coord) bgfxShadow2DProj(_sampler, _coord)
# define SAMPLER3D(_name, _reg) uniform sampler3D _name : register(s ## _reg)
# define texture3D(_sampler, _coord) tex3D(_sampler, _coord)
# define texture3DLod(_sampler, _coord, _level) tex3Dlod(_sampler, vec4( (_coord).xyz, _level) )
# define SAMPLERCUBE(_name, _reg) uniform samplerCUBE _name : register(s[_reg])
# define textureCube(_sampler, _coord) texCUBE(_sampler, _coord)
# define textureCubeLod(_sampler, _coord, _level) texCUBElod(_sampler, vec4( (_coord).xyz, _level) )
@ -140,14 +211,14 @@ bvec3 equal(vec3 _a, vec3 _b) { return _a == _b; }
bvec4 equal(vec4 _a, vec4 _b) { return _a == _b; }
float mix(float _a, float _b, float _t) { return lerp(_a, _b, _t); }
vec2 mix(vec2 _a, vec2 _b, vec2 _t) { return lerp(_a, _b, _t); }
vec3 mix(vec3 _a, vec3 _b, vec3 _t) { return lerp(_a, _b, _t); }
vec4 mix(vec4 _a, vec4 _b, vec4 _t) { return lerp(_a, _b, _t); }
vec2 mix(vec2 _a, vec2 _b, vec2 _t) { return lerp(_a, _b, _t); }
vec3 mix(vec3 _a, vec3 _b, vec3 _t) { return lerp(_a, _b, _t); }
vec4 mix(vec4 _a, vec4 _b, vec4 _t) { return lerp(_a, _b, _t); }
float mod(float _a, float _b) { return _a - _b * floor(_a / _b); }
vec2 mod(vec2 _a, vec2 _b) { return _a - _b * floor(_a / _b); }
vec3 mod(vec3 _a, vec3 _b) { return _a - _b * floor(_a / _b); }
vec4 mod(vec4 _a, vec4 _b) { return _a - _b * floor(_a / _b); }
vec2 mod(vec2 _a, vec2 _b) { return _a - _b * floor(_a / _b); }
vec3 mod(vec3 _a, vec3 _b) { return _a - _b * floor(_a / _b); }
vec4 mod(vec4 _a, vec4 _b) { return _a - _b * floor(_a / _b); }
#elif BGFX_SHADER_LANGUAGE_GLSL
# define atan2(_x, _y) atan(_x, _y)
@ -156,6 +227,7 @@ vec4 mod(vec4 _a, vec4 _b) { return _a - _b * floor(_a / _b); }
# define SAMPLER2D(_name, _reg) uniform sampler2D _name
# define SAMPLER3D(_name, _reg) uniform sampler3D _name
# define SAMPLERCUBE(_name, _reg) uniform samplerCube _name
# define SAMPLER2DSHADOW(_name, _reg) uniform sampler2DShadow _name
# define vec2_splat(_x) vec2(_x)
# define vec3_splat(_x) vec3(_x)
# define vec4_splat(_x) vec4(_x)
@ -166,20 +238,20 @@ vec4 instMul(vec4 _vec, mat4 _mtx) { return mul(_vec, _mtx); }
vec4 instMul(mat4 _mtx, vec4 _vec) { return mul(_mtx, _vec); }
float rcp(float _a) { return 1.0/_a; }
vec2 rcp(vec2 _a) { return vec2(1.0)/_a; }
vec3 rcp(vec3 _a) { return vec3(1.0)/_a; }
vec4 rcp(vec4 _a) { return vec4(1.0)/_a; }
vec2 rcp(vec2 _a) { return vec2(1.0)/_a; }
vec3 rcp(vec3 _a) { return vec3(1.0)/_a; }
vec4 rcp(vec4 _a) { return vec4(1.0)/_a; }
#endif // BGFX_SHADER_LANGUAGE_HLSL
uniform vec4 u_viewRect;
uniform vec4 u_viewTexel;
uniform mat4 u_view;
uniform mat4 u_viewProj;
uniform mat4 u_model[BGFX_CONFIG_MAX_BONES];
uniform mat4 u_modelView;
uniform mat4 u_modelViewProj;
uniform mat4 u_modelViewProjX;
uniform mat4 u_viewProjX;
uniform vec4 u_viewRect;
uniform vec4 u_viewTexel;
uniform mat4 u_view;
uniform mat4 u_viewProj;
uniform mat4 u_model[BGFX_CONFIG_MAX_BONES];
uniform mat4 u_modelView;
uniform mat4 u_modelViewProj;
uniform mat4 u_modelViewProjX;
uniform mat4 u_viewProjX;
uniform float u_alphaRef;
#endif // __cplusplus

7
src/glimports.h
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@ -136,6 +136,8 @@ typedef void (GL_APIENTRYP PFNGLTEXIMAGE3DPROC) (GLenum target, GLint
typedef void (GL_APIENTRYP PFNGLTEXPARAMETERFPROC) (GLenum target, GLenum pname, GLfloat param);
typedef void (GL_APIENTRYP PFNGLTEXPARAMETERIPROC) (GLenum target, GLenum pname, GLint param);
typedef void (GL_APIENTRYP PFNGLTEXPARAMETERIVPROC) (GLenum target, GLenum pname, const GLint *params);
typedef void (GL_APIENTRYP PFNGLTEXSTORAGE2DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height);
typedef void (GL_APIENTRYP PFNGLTEXSTORAGE3DPROC) (GLenum target, GLsizei levels, GLenum internalformat, GLsizei width, GLsizei height, GLsizei depth);
typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE2DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLsizei width, GLsizei height, GLenum format, GLenum type, const void *pixels);
typedef void (GL_APIENTRYP PFNGLTEXSUBIMAGE3DPROC) (GLenum target, GLint level, GLint xoffset, GLint yoffset, GLint zoffset, GLsizei width, GLsizei height, GLsizei depth, GLenum format, GLenum type, const void *pixels);
typedef void (GL_APIENTRYP PFNGLUNIFORM1FPROC) (GLint location, GLfloat v0);
@ -264,6 +266,8 @@ GL_IMPORT______(true, PFNGLTEXIMAGE3DPROC, glTexImage3D)
GL_IMPORT______(false, PFNGLTEXPARAMETERIPROC, glTexParameteri);
GL_IMPORT______(false, PFNGLTEXPARAMETERIVPROC, glTexParameteriv);
GL_IMPORT______(false, PFNGLTEXPARAMETERFPROC, glTexParameterf);
GL_IMPORT______(true, PFNGLTEXSTORAGE2DPROC, glTexStorage2D);
GL_IMPORT______(true, PFNGLTEXSTORAGE3DPROC, glTexStorage3D);
GL_IMPORT______(false, PFNGLTEXSUBIMAGE2DPROC, glTexSubImage2D);
GL_IMPORT______(true, PFNGLTEXSUBIMAGE3DPROC, glTexSubImage3D);
GL_IMPORT______(false, PFNGLUNIFORM1IPROC, glUniform1i);
@ -328,6 +332,9 @@ GL_IMPORT_OES__(true, PFNGLTEXSUBIMAGE3DPROC, glTexSubImage
GL_IMPORT_OES__(true, PFNGLCOMPRESSEDTEXIMAGE3DPROC, glCompressedTexImage3D);
GL_IMPORT_OES__(true, PFNGLCOMPRESSEDTEXSUBIMAGE3DPROC, glCompressedTexSubImage3D);
GL_IMPORT_EXT__(true, PFNGLTEXSTORAGE2DPROC, glTexStorage2D);
GL_IMPORT_EXT__(true, PFNGLTEXSTORAGE3DPROC, glTexStorage3D);
GL_IMPORT_OES__(true, PFNGLGETPROGRAMBINARYPROC, glGetProgramBinary);
GL_IMPORT_OES__(true, PFNGLPROGRAMBINARYPROC, glProgramBinary);

40
src/renderer_d3d11.cpp
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@ -64,20 +64,7 @@ namespace bgfx
D3D11_BLEND_OP_MAX,
};
static const D3D11_COMPARISON_FUNC s_depthFunc[] =
{
D3D11_COMPARISON_FUNC(0), // ignored
D3D11_COMPARISON_LESS,
D3D11_COMPARISON_LESS_EQUAL,
D3D11_COMPARISON_EQUAL,
D3D11_COMPARISON_GREATER_EQUAL,
D3D11_COMPARISON_GREATER,
D3D11_COMPARISON_NOT_EQUAL,
D3D11_COMPARISON_NEVER,
D3D11_COMPARISON_ALWAYS,
};
static const D3D11_COMPARISON_FUNC s_stencilFunc[] =
static const D3D11_COMPARISON_FUNC s_cmpFunc[] =
{
D3D11_COMPARISON_FUNC(0), // ignored
D3D11_COMPARISON_LESS,
@ -151,6 +138,9 @@ namespace bgfx
* D3D11_FILTER_MIN_MAG_MIP_LINEAR = 0x15,
* D3D11_FILTER_ANISOTROPIC = 0x55,
*
* D3D11_COMPARISON_FILTERING_BIT = 0x80,
* D3D11_ANISOTROPIC_FILTERING_BIT = 0x40,
*
* According to D3D11_FILTER enum bits for mip, mag and mip are:
* 0x10 // MIN_LINEAR
* 0x04 // MAG_LINEAR
@ -516,8 +506,9 @@ namespace bgfx
| BGFX_CAPS_TEXTURE_FORMAT_BC3
| BGFX_CAPS_TEXTURE_FORMAT_BC4
| BGFX_CAPS_TEXTURE_FORMAT_BC5
| BGFX_CAPS_INSTANCING
| BGFX_CAPS_TEXTURE_3D
| BGFX_CAPS_TEXTURE_COMPARE_ALL
| BGFX_CAPS_INSTANCING
| BGFX_CAPS_VERTEX_ATTRIB_HALF
| BGFX_CAPS_FRAGMENT_DEPTH
);
@ -929,7 +920,7 @@ namespace bgfx
uint32_t func = (_state&BGFX_STATE_DEPTH_TEST_MASK)>>BGFX_STATE_DEPTH_TEST_SHIFT;
desc.DepthEnable = 0 != func;
desc.DepthWriteMask = !!(BGFX_STATE_DEPTH_WRITE & _state) ? D3D11_DEPTH_WRITE_MASK_ALL : D3D11_DEPTH_WRITE_MASK_ZERO;
desc.DepthFunc = s_depthFunc[func];
desc.DepthFunc = s_cmpFunc[func];
uint32_t bstencil = unpackStencil(1, _stencil);
uint32_t frontAndBack = bstencil != BGFX_STENCIL_NONE && bstencil != fstencil;
@ -941,11 +932,11 @@ namespace bgfx
desc.FrontFace.StencilFailOp = s_stencilOp[(fstencil&BGFX_STENCIL_OP_FAIL_S_MASK)>>BGFX_STENCIL_OP_FAIL_S_SHIFT];
desc.FrontFace.StencilDepthFailOp = s_stencilOp[(fstencil&BGFX_STENCIL_OP_FAIL_Z_MASK)>>BGFX_STENCIL_OP_FAIL_Z_SHIFT];
desc.FrontFace.StencilPassOp = s_stencilOp[(fstencil&BGFX_STENCIL_OP_PASS_Z_MASK)>>BGFX_STENCIL_OP_PASS_Z_SHIFT];
desc.FrontFace.StencilFunc = s_stencilFunc[(fstencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT];
desc.FrontFace.StencilFunc = s_cmpFunc[(fstencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT];
desc.BackFace.StencilFailOp = s_stencilOp[(bstencil&BGFX_STENCIL_OP_FAIL_S_MASK)>>BGFX_STENCIL_OP_FAIL_S_SHIFT];
desc.BackFace.StencilDepthFailOp = s_stencilOp[(bstencil&BGFX_STENCIL_OP_FAIL_Z_MASK)>>BGFX_STENCIL_OP_FAIL_Z_SHIFT];
desc.BackFace.StencilPassOp = s_stencilOp[(bstencil&BGFX_STENCIL_OP_PASS_Z_MASK)>>BGFX_STENCIL_OP_PASS_Z_SHIFT];
desc.BackFace.StencilFunc = s_stencilFunc[(bstencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT];
desc.BackFace.StencilFunc = s_cmpFunc[(bstencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT];
DX_CHECK(m_device->CreateDepthStencilState(&desc, &dss) );
@ -999,23 +990,26 @@ namespace bgfx
{
_flags &= BGFX_TEXTURE_MIN_MASK|BGFX_TEXTURE_MAG_MASK|BGFX_TEXTURE_MIP_MASK
| BGFX_TEXTURE_U_MASK|BGFX_TEXTURE_V_MASK|BGFX_TEXTURE_W_MASK
| BGFX_TEXTURE_COMPARE_MASK
;
ID3D11SamplerState* sampler = m_samplerStateCache.find(_flags);
if (NULL == sampler)
{
uint8_t minFilter = s_textureFilter[0][(_flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT];
uint8_t magFilter = s_textureFilter[1][(_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT];
uint8_t mipFilter = s_textureFilter[2][(_flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT];
const uint32_t cmpFunc = (_flags&BGFX_TEXTURE_COMPARE_MASK)>>BGFX_TEXTURE_COMPARE_SHIFT;
const uint8_t minFilter = s_textureFilter[0][(_flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT];
const uint8_t magFilter = s_textureFilter[1][(_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT];
const uint8_t mipFilter = s_textureFilter[2][(_flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT];
const uint8_t filter = 0 == cmpFunc ? 0 : D3D11_COMPARISON_FILTERING_BIT;
D3D11_SAMPLER_DESC sd;
sd.Filter = (D3D11_FILTER)(minFilter|magFilter|mipFilter);
sd.Filter = (D3D11_FILTER)(filter|minFilter|magFilter|mipFilter);
sd.AddressU = s_textureAddress[(_flags&BGFX_TEXTURE_U_MASK)>>BGFX_TEXTURE_U_SHIFT];
sd.AddressV = s_textureAddress[(_flags&BGFX_TEXTURE_V_MASK)>>BGFX_TEXTURE_V_SHIFT];
sd.AddressW = s_textureAddress[(_flags&BGFX_TEXTURE_W_MASK)>>BGFX_TEXTURE_W_SHIFT];
sd.MipLODBias = 0.0f;
sd.MaxAnisotropy = 1;
sd.ComparisonFunc = D3D11_COMPARISON_NEVER;
sd.ComparisonFunc = 0 == cmpFunc ? D3D11_COMPARISON_NEVER : s_cmpFunc[cmpFunc];
sd.BorderColor[0] = 0.0f;
sd.BorderColor[1] = 0.0f;
sd.BorderColor[2] = 0.0f;

1
src/renderer_d3d9.cpp
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@ -410,6 +410,7 @@ namespace bgfx
| BGFX_CAPS_TEXTURE_FORMAT_BC2
| BGFX_CAPS_TEXTURE_FORMAT_BC3
| BGFX_CAPS_TEXTURE_3D
| BGFX_CAPS_TEXTURE_COMPARE_LEQUAL
| BGFX_CAPS_VERTEX_ATTRIB_HALF
| BGFX_CAPS_FRAGMENT_DEPTH
);

154
src/renderer_gl.cpp
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@ -91,20 +91,7 @@ namespace bgfx
GL_MAX,
};
static const GLenum s_depthFunc[] =
{
0, // ignored
GL_LESS,
GL_LEQUAL,
GL_EQUAL,
GL_GEQUAL,
GL_GREATER,
GL_NOTEQUAL,
GL_NEVER,
GL_ALWAYS,
};
static const GLenum s_stencilFunc[] =
static const GLenum s_cmpFunc[] =
{
0, // ignored
GL_LESS,
@ -605,7 +592,9 @@ namespace bgfx
, m_maxAnisotropy(0.0f)
, m_maxMsaa(0)
, m_vao(0)
, m_vaoSupport(BGFX_CONFIG_RENDERER_OPENGL >= 31)
, m_vaoSupport(false)
, m_samplerObjectSupport(false)
, m_shadowSamplersSupport(false)
, m_programBinarySupport(false)
, m_textureSwizzleSupport(false)
, m_depthTextureSupport(false)
@ -793,9 +782,9 @@ namespace bgfx
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_WRAP_T, s_textureAddress[(_flags&BGFX_TEXTURE_V_MASK)>>BGFX_TEXTURE_V_SHIFT]) );
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_WRAP_R, s_textureAddress[(_flags&BGFX_TEXTURE_W_MASK)>>BGFX_TEXTURE_W_SHIFT]) );
uint32_t mag = (_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
uint32_t min = (_flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT;
uint32_t mip = (_flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT;
const uint32_t mag = (_flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
const uint32_t min = (_flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT;
const uint32_t mip = (_flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT;
GLenum minFilter = s_textureFilterMin[min][1 < _numMips ? mip+1 : 0];
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_MAG_FILTER, s_textureFilterMag[mag]) );
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_MIN_FILTER, minFilter) );
@ -804,6 +793,21 @@ namespace bgfx
{
GL_CHECK(glSamplerParameterf(sampler, GL_TEXTURE_MAX_ANISOTROPY_EXT, m_maxAnisotropy) );
}
if (BX_ENABLED(!BGFX_CONFIG_RENDERER_OPENGLES2)
|| m_shadowSamplersSupport)
{
const uint32_t cmpFunc = (_flags&BGFX_TEXTURE_COMPARE_MASK)>>BGFX_TEXTURE_COMPARE_SHIFT;
if (0 == cmpFunc)
{
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
}
else
{
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE) );
GL_CHECK(glSamplerParameteri(sampler, GL_TEXTURE_COMPARE_FUNC, s_cmpFunc[cmpFunc]) );
}
}
}
GL_CHECK(glBindSampler(_stage, sampler) );
@ -960,6 +964,7 @@ namespace bgfx
GLuint m_vao;
bool m_vaoSupport;
bool m_samplerObjectSupport;
bool m_shadowSamplersSupport;
bool m_programBinarySupport;
bool m_textureSwizzleSupport;
bool m_depthTextureSupport;
@ -1006,7 +1011,7 @@ namespace bgfx
GLSL_TYPE(GL_SAMPLER_3D);
GLSL_TYPE(GL_SAMPLER_CUBE);
// GLSL_TYPE(GL_SAMPLER_1D_SHADOW);
// GLSL_TYPE(GL_SAMPLER_2D_SHADOW);
GLSL_TYPE(GL_SAMPLER_2D_SHADOW);
}
#undef GLSL_TYPE
@ -1067,7 +1072,7 @@ namespace bgfx
case GL_SAMPLER_3D:
case GL_SAMPLER_CUBE:
// case GL_SAMPLER_1D_SHADOW:
// case GL_SAMPLER_2D_SHADOW:
case GL_SAMPLER_2D_SHADOW:
return UniformType::Uniform1iv;
};
@ -1239,12 +1244,20 @@ namespace bgfx
offset = atoi(array);
}
if (GL_SAMPLER_2D == gltype)
{
BX_TRACE("Sampler %d at %d.", m_numSamplers, loc);
m_sampler[m_numSamplers] = loc;
m_numSamplers++;
}
switch (gltype)
{
case GL_SAMPLER_2D:
case GL_SAMPLER_3D:
case GL_SAMPLER_CUBE:
case GL_SAMPLER_2D_SHADOW:
BX_TRACE("Sampler %d at %d.", m_numSamplers, loc);
m_sampler[m_numSamplers] = loc;
m_numSamplers++;
break;
default:
break;
}
const void* data = NULL;
PredefinedUniform::Enum predefined = nameToPredefinedUniformEnum(name);
@ -1826,10 +1839,10 @@ namespace bgfx
GL_CHECK(glTexParameteri(target, GL_TEXTURE_WRAP_R, s_textureAddress[(flags&BGFX_TEXTURE_W_MASK)>>BGFX_TEXTURE_W_SHIFT]) );
}
uint32_t mag = (flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
uint32_t min = (flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT;
uint32_t mip = (flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT;
GLenum minFilter = s_textureFilterMin[min][1 < numMips ? mip+1 : 0];
const uint32_t mag = (flags&BGFX_TEXTURE_MAG_MASK)>>BGFX_TEXTURE_MAG_SHIFT;
const uint32_t min = (flags&BGFX_TEXTURE_MIN_MASK)>>BGFX_TEXTURE_MIN_SHIFT;
const uint32_t mip = (flags&BGFX_TEXTURE_MIP_MASK)>>BGFX_TEXTURE_MIP_SHIFT;
const GLenum minFilter = s_textureFilterMin[min][1 < numMips ? mip+1 : 0];
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MAG_FILTER, s_textureFilterMag[mag]) );
GL_CHECK(glTexParameteri(target, GL_TEXTURE_MIN_FILTER, minFilter) );
if (0 != (flags & (BGFX_TEXTURE_MIN_ANISOTROPIC|BGFX_TEXTURE_MAG_ANISOTROPIC) )
@ -1838,6 +1851,21 @@ namespace bgfx
GL_CHECK(glTexParameterf(target, GL_TEXTURE_MAX_ANISOTROPY_EXT, s_renderCtx->m_maxAnisotropy) );
}
if (!BX_ENABLED(BGFX_CONFIG_RENDERER_OPENGLES2)
|| s_renderCtx->m_shadowSamplersSupport)
{
const uint32_t cmpFunc = (flags&BGFX_TEXTURE_COMPARE_MASK)>>BGFX_TEXTURE_COMPARE_SHIFT;
if (0 == cmpFunc)
{
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_NONE) );
}
else
{
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_MODE, GL_COMPARE_REF_TO_TEXTURE) );
GL_CHECK(glTexParameteri(m_target, GL_TEXTURE_COMPARE_FUNC, s_cmpFunc[cmpFunc]) );
}
}
m_currentFlags = flags;
}
}
@ -1902,7 +1930,7 @@ namespace bgfx
if (0 != m_id)
{
int32_t codeLen = (int32_t)strlen(code);
int32_t tempLen = codeLen + 1024;
int32_t tempLen = codeLen + (4<<10);
char* temp = (char*)alloca(tempLen);
bx::StaticMemoryBlockWriter writer(temp, tempLen);
@ -1914,9 +1942,7 @@ namespace bgfx
bool usesFragDepth = !!bx::findIdentifierMatch(code, "gl_FragDepth");
bool usesShadowSamplers = s_extension[Extension::EXT_shadow_samplers].m_supported
&& bx::findIdentifierMatch(code, s_EXT_shadow_samplers)
;
bool usesShadowSamplers = !!bx::findIdentifierMatch(code, s_EXT_shadow_samplers);
bool usesTexture3D = s_extension[Extension::OES_texture_3D].m_supported
&& bx::findIdentifierMatch(code, s_OES_texture_3D)
@ -1954,7 +1980,22 @@ namespace bgfx
if (usesShadowSamplers)
{
writeString(&writer, "#extension GL_EXT_shadow_samplers : enable\n");
if (s_renderCtx->m_shadowSamplersSupport)
{
writeString(&writer
, "#extension GL_EXT_shadow_samplers : enable\n"
"#define shadow2D shadow2DEXT\n"
"#define shadow2DProj shadow2DProjEXT\n"
);
}
else
{
writeString(&writer
, "#define sampler2DShadow sampler2D\n"
"#define shadow2D(_sampler, _coord) step(_coord.z, texture2D(_sampler, _coord.xy).x)\n"
"#define shadow2DProj(_sampler, _coord) step(_coord.z/_coord.w, texture2DProj(_sampler, _coord).x)\n"
);
}
}
if (usesTexture3D)
@ -2102,7 +2143,7 @@ namespace bgfx
void FrameBuffer::create(uint8_t _num, const TextureHandle* _handles)
{
GL_CHECK(glGenFramebuffers(1, &m_fbo[0]) );
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo[0]) );
GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[0]) );
bool needResolve = false;
@ -2120,18 +2161,18 @@ namespace bgfx
}
else
{
if (0 == colorIdx)
{
m_width = texture.m_width;
m_height = texture.m_height;
}
++colorIdx;
}
if (0 == colorIdx)
{
m_width = texture.m_width;
m_height = texture.m_height;
}
if (0 != texture.m_rbo)
{
GL_CHECK(glFramebufferRenderbuffer(GL_FRAMEBUFFER
GL_CHECK(glFramebufferRenderbuffer(GL_DRAW_FRAMEBUFFER
, attachment
, GL_RENDERBUFFER
, texture.m_rbo
@ -2139,7 +2180,7 @@ namespace bgfx
}
else
{
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER
GL_CHECK(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER
, attachment
, texture.m_target
, texture.m_id
@ -2151,15 +2192,15 @@ namespace bgfx
}
}
BX_CHECK(GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_FRAMEBUFFER)
BX_CHECK(GL_FRAMEBUFFER_COMPLETE == glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)
, "glCheckFramebufferStatus failed 0x%08x"
, glCheckFramebufferStatus(GL_FRAMEBUFFER)
, glCheckFramebufferStatus(GL_DRAW_FRAMEBUFFER)
);
if (needResolve)
{
GL_CHECK(glGenFramebuffers(1, &m_fbo[1]) );
GL_CHECK(glBindFramebuffer(GL_FRAMEBUFFER, m_fbo[1]) );
GL_CHECK(glBindFramebuffer(GL_DRAW_FRAMEBUFFER, m_fbo[1]) );
for (uint32_t ii = 0, colorIdx = 0; ii < _num; ++ii)
{
@ -2178,7 +2219,7 @@ namespace bgfx
else
{
++colorIdx;
GL_CHECK(glFramebufferTexture2D(GL_FRAMEBUFFER
GL_CHECK(glFramebufferTexture2D(GL_DRAW_FRAMEBUFFER
, attachment
, texture.m_target
, texture.m_id
@ -2734,6 +2775,10 @@ namespace bgfx
? BGFX_CAPS_TEXTURE_3D
: 0
;
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGL|BGFX_CONFIG_RENDERER_OPENGLES3)|s_extension[Extension::EXT_shadow_samplers].m_supported
? BGFX_CAPS_TEXTURE_COMPARE_ALL
: 0
;
g_caps.supported |= !!(BGFX_CONFIG_RENDERER_OPENGL|BGFX_CONFIG_RENDERER_OPENGLES3)|s_extension[Extension::OES_vertex_half_float].m_supported
? BGFX_CAPS_VERTEX_ATTRIB_HALF
: 0
@ -2771,6 +2816,10 @@ namespace bgfx
|| s_extension[Extension::ARB_sampler_objects].m_supported
;
s_renderCtx->m_shadowSamplersSupport = !!(BGFX_CONFIG_RENDERER_OPENGL|BGFX_CONFIG_RENDERER_OPENGLES3)
|| s_extension[Extension::EXT_shadow_samplers].m_supported
;
s_renderCtx->m_programBinarySupport = !!BGFX_CONFIG_RENDERER_OPENGLES3
|| s_extension[Extension::ARB_get_program_binary].m_supported
|| s_extension[Extension::OES_get_program_binary].m_supported
@ -2788,7 +2837,10 @@ namespace bgfx
|| s_extension[Extension::OES_depth_texture].m_supported
;
g_caps.supported |= s_renderCtx->m_depthTextureSupport ? BGFX_CAPS_TEXTURE_DEPTH_MASK : 0;
g_caps.supported |= s_renderCtx->m_depthTextureSupport
? (BGFX_CAPS_TEXTURE_DEPTH_MASK|BGFX_CAPS_TEXTURE_COMPARE_LEQUAL)
: 0
;
if (s_extension[Extension::EXT_texture_filter_anisotropic].m_supported)
{
@ -3244,7 +3296,7 @@ namespace bgfx
GLint ref = (stencil&BGFX_STENCIL_FUNC_REF_MASK)>>BGFX_STENCIL_FUNC_REF_SHIFT;
GLint mask = (stencil&BGFX_STENCIL_FUNC_RMASK_MASK)>>BGFX_STENCIL_FUNC_RMASK_SHIFT;
uint32_t func = (stencil&BGFX_STENCIL_TEST_MASK)>>BGFX_STENCIL_TEST_SHIFT;
GL_CHECK(glStencilFuncSeparate(face, s_stencilFunc[func], ref, mask));
GL_CHECK(glStencilFuncSeparate(face, s_cmpFunc[func], ref, mask));
}
if ( (BGFX_STENCIL_OP_FAIL_S_MASK|BGFX_STENCIL_OP_FAIL_Z_MASK|BGFX_STENCIL_OP_PASS_Z_MASK) & changed)
@ -3306,7 +3358,7 @@ namespace bgfx
if (0 != func)
{
GL_CHECK(glEnable(GL_DEPTH_TEST) );
GL_CHECK(glDepthFunc(s_depthFunc[func]) );
GL_CHECK(glDepthFunc(s_cmpFunc[func]) );
}
else
{

16
src/renderer_gl.h
View File

@ -279,6 +279,22 @@ typedef uint64_t GLuint64;
# define GL_DEPTH_STENCIL_ATTACHMENT 0x821A
#endif // GL_DEPTH_STENCIL_ATTACHMENT
#ifndef GL_TEXTURE_COMPARE_MODE
# define GL_TEXTURE_COMPARE_MODE 0x884C
#endif // GL_TEXTURE_COMPARE_MODE
#ifndef GL_TEXTURE_COMPARE_FUNC
# define GL_TEXTURE_COMPARE_FUNC 0x884D
#endif // GL_TEXTURE_COMPARE_FUNC
#ifndef GL_COMPARE_REF_TO_TEXTURE
# define GL_COMPARE_REF_TO_TEXTURE 0x884E
#endif // GL_COMPARE_REF_TO_TEXTURE
#ifndef GL_SAMPLER_2D_SHADOW
# define GL_SAMPLER_2D_SHADOW 0x8B62
#endif // GL_SAMPLER_2D_SHADOW
#if BX_PLATFORM_NACL
# include "glcontext_ppapi.h"
#elif BX_PLATFORM_WINDOWS

1
tools/shaderc/shaderc.cpp
View File

@ -127,6 +127,7 @@ static const char* s_EXT_shadow_samplers[] =
{
"shadow2D",
"shadow2DProj",
"sampler2DShadow",
NULL
};