@ -22,6 +22,7 @@ with this program; if not, write to the Free Software Foundation, Inc.,
# include <iterator>
# include "shader.h"
# include "irrlichttypes_extrabloated.h"
# include "irr_ptr.h"
# include "debug.h"
# include "filesys.h"
# include "util/container.h"
@ -189,19 +190,14 @@ private:
class ShaderCallback : public video : : IShaderConstantSetCallBack
{
std : : vector < IShaderConstantSetter* > m_setters ;
std : : vector < std: : unique_ptr < IShaderConstantSetter > > m_setters ;
public :
ShaderCallback ( const std : : vector < IShaderConstantSetterFactory * > & factories )
template < typename Factories >
ShaderCallback ( const Factories & factories )
{
for ( IShaderConstantSetterFactory * factory : factories )
m_setters . push_back ( factory - > create ( ) ) ;
}
~ ShaderCallback ( )
{
for ( IShaderConstantSetter * setter : m_setters )
delete setter ;
for ( auto & & factory : factories )
m_setters . push_back ( std : : unique_ptr < IShaderConstantSetter > ( factory - > create ( ) ) ) ;
}
virtual void OnSetConstants ( video : : IMaterialRendererServices * services , s32 userData ) override
@ -209,15 +205,13 @@ public:
video : : IVideoDriver * driver = services - > getVideoDriver ( ) ;
sanity_check ( driver ! = NULL ) ;
bool is_highlevel = userData ;
for ( IShaderConstantSetter * setter : m_setters )
setter - > onSetConstants ( services , is_highlevel ) ;
for ( auto & & setter : m_setters )
setter - > onSetConstants ( services ) ;
}
virtual void OnSetMaterial ( const video : : SMaterial & material ) override
{
for ( IShaderConstantSetter * setter : m_setters )
for ( auto & & setter : m_setters )
setter - > onSetMaterial ( material ) ;
}
} ;
@ -252,33 +246,26 @@ public:
{ }
~ MainShaderConstantSetter ( ) = default ;
virtual void onSetConstants ( video : : IMaterialRendererServices * services ,
bool is_highlevel )
virtual void onSetConstants ( video : : IMaterialRendererServices * services ) override
{
video : : IVideoDriver * driver = services - > getVideoDriver ( ) ;
sanity_check ( driver ) ;
// Set world matrix
core : : matrix4 world = driver - > getTransform ( video : : ETS_WORLD ) ;
if ( is_highlevel )
m_world . set ( * reinterpret_cast < float ( * ) [ 16 ] > ( world . pointer ( ) ) , services ) ;
else
services - > setVertexShaderConstant ( world . pointer ( ) , 4 , 4 ) ;
// Set clip matrix
core : : matrix4 worldView ;
worldView = driver - > getTransform ( video : : ETS_VIEW ) ;
worldView * = world ;
core : : matrix4 worldViewProj ;
worldViewProj = driver - > getTransform ( video : : ETS_PROJECTION ) ;
worldViewProj * = worldView ;
if ( is_highlevel )
m_world_view_proj . set ( * reinterpret_cast < float ( * ) [ 16 ] > ( worldViewProj . pointer ( ) ) , services ) ;
else
services - > setVertexShaderConstant ( worldViewProj . pointer ( ) , 0 , 4 ) ;
# if ENABLE_GLES
if ( is_highlevel ) {
core : : matrix4 texture = driver - > getTransform ( video : : ETS_TEXTURE_0 ) ;
m_world_view . set ( * reinterpret_cast < float ( * ) [ 16 ] > ( worldView . pointer ( ) ) , services ) ;
m_texture . set ( * reinterpret_cast < float ( * ) [ 16 ] > ( texture . pointer ( ) ) , services ) ;
@ -292,7 +279,6 @@ public:
normal [ 8 ] , normal [ 9 ] , normal [ 10 ] ,
} ;
m_normal . set ( m , services ) ;
}
# endif
}
} ;
@ -314,7 +300,6 @@ class ShaderSource : public IWritableShaderSource
{
public :
ShaderSource ( ) ;
~ ShaderSource ( ) ;
/*
- If shader material specified by name is found from cache ,
@ -324,7 +309,7 @@ public:
The id 0 points to a null shader . Its material is EMT_SOLID .
*/
u32 getShaderIdDirect ( const std : : string & name ,
const u8 material_type , const u8 drawtype ) ;
MaterialType material_type , NodeDrawType drawtype ) override ;
/*
If shader specified by the name pointed by the id doesn ' t
@ -336,26 +321,26 @@ public:
*/
u32 getShader ( const std : : string & name ,
const u8 material_type , const u8 drawtype ) ;
MaterialType material_type , NodeDrawType drawtype ) override ;
ShaderInfo getShaderInfo ( u32 id ) ;
ShaderInfo getShaderInfo ( u32 id ) override ;
// Processes queued shader requests from other threads.
// Shall be called from the main thread.
void processQueue ( ) ;
void processQueue ( ) override ;
// Insert a shader program into the cache without touching the
// filesystem. Shall be called from the main thread.
void insertSourceShader ( const std : : string & name_of_shader ,
const std : : string & filename , const std : : string & program ) ;
const std : : string & filename , const std : : string & program ) override ;
// Rebuild shaders from the current set of source shaders
// Shall be called from the main thread.
void rebuildShaders ( ) ;
void rebuildShaders ( ) override ;
void addShaderConstantSetterFactory ( IShaderConstantSetterFactory * setter )
void addShaderConstantSetterFactory ( IShaderConstantSetterFactory * setter ) override
{
m_setter_factories . push_back ( s etter) ;
m_setter_factories . push_back ( s td: : unique_ptr < IShaderConstantS etterFactory> ( setter ) ) ;
}
private :
@ -377,10 +362,11 @@ private:
RequestQueue < std : : string , u32 , u8 , u8 > m_get_shader_queue ;
// Global constant setter factories
std : : vector < IShaderConstantSetterFactory * > m_setter_factories ;
std : : vector < std: : unique_ptr < IShaderConstantSetterFactory > > m_setter_factories ;
// Shader callbacks
std : : vector < ShaderCallback * > m_callbacks ;
// Generate shader given the shader name.
ShaderInfo generateShader ( const std : : string & name ,
MaterialType material_type , NodeDrawType drawtype ) ;
} ;
IWritableShaderSource * createShaderSource ( )
@ -388,22 +374,6 @@ IWritableShaderSource *createShaderSource()
return new ShaderSource ( ) ;
}
/*
Generate shader given the shader name .
*/
ShaderInfo generate_shader ( const std : : string & name ,
u8 material_type , u8 drawtype , std : : vector < ShaderCallback * > & callbacks ,
const std : : vector < IShaderConstantSetterFactory * > & setter_factories ,
SourceShaderCache * sourcecache ) ;
/*
Load shader programs
*/
void load_shaders ( const std : : string & name , SourceShaderCache * sourcecache ,
video : : E_DRIVER_TYPE drivertype , bool enable_shaders ,
std : : string & vertex_program , std : : string & pixel_program ,
std : : string & geometry_program , bool & is_highlevel ) ;
ShaderSource : : ShaderSource ( )
{
m_main_thread = std : : this_thread : : get_id ( ) ;
@ -415,18 +385,8 @@ ShaderSource::ShaderSource()
addShaderConstantSetterFactory ( new MainShaderConstantSetterFactory ( ) ) ;
}
ShaderSource : : ~ ShaderSource ( )
{
for ( ShaderCallback * callback : m_callbacks ) {
delete callback ;
}
for ( IShaderConstantSetterFactory * setter_factorie : m_setter_factories ) {
delete setter_factorie ;
}
}
u32 ShaderSource : : getShader ( const std : : string & name ,
const u8 material_type , const u8 drawtype )
MaterialType material_type , NodeDrawType drawtype )
{
/*
Get shader
@ -468,7 +428,7 @@ u32 ShaderSource::getShader(const std::string &name,
This method generates all the shaders
*/
u32 ShaderSource : : getShaderIdDirect ( const std : : string & name ,
const u8 material_type , const u8 drawtype )
MaterialType material_type , NodeDrawType drawtype )
{
//infostream<<"getShaderIdDirect(): name=\""<<name<<"\""<<std::endl;
@ -495,8 +455,7 @@ u32 ShaderSource::getShaderIdDirect(const std::string &name,
return 0 ;
}
ShaderInfo info = generate_shader ( name , material_type , drawtype ,
m_callbacks , m_setter_factories , & m_sourcecache ) ;
ShaderInfo info = generateShader ( name , material_type , drawtype ) ;
/*
Add shader to caches ( add dummy shaders too )
@ -560,18 +519,14 @@ void ShaderSource::rebuildShaders()
for ( ShaderInfo & i : m_shaderinfo_cache ) {
ShaderInfo * info = & i ;
if ( ! info - > name . empty ( ) ) {
* info = generate_shader ( info - > name , info - > material_type ,
info - > drawtype , m_callbacks ,
m_setter_factories , & m_sourcecache ) ;
* info = generateShader ( info - > name , info - > material_type , info - > drawtype ) ;
}
}
}
ShaderInfo generate_shader ( const std : : string & name , u8 material_type , u8 drawtype ,
std : : vector < ShaderCallback * > & callbacks ,
const std : : vector < IShaderConstantSetterFactory * > & setter_factories ,
SourceShaderCache * sourcecache )
ShaderInfo ShaderSource : : generateShader ( const std : : string & name ,
MaterialType material_type , NodeDrawType drawtype )
{
ShaderInfo shaderinfo ;
shaderinfo . name = name ;
@ -604,64 +559,27 @@ ShaderInfo generate_shader(const std::string &name, u8 material_type, u8 drawtyp
return shaderinfo ;
video : : IVideoDriver * driver = RenderingEngine : : get_video_driver ( ) ;
if ( ! driver - > queryFeature ( video : : EVDF_ARB_GLSL ) ) {
errorstream < < " Shaders are enabled but GLSL is not supported by the driver \n " ;
return shaderinfo ;
}
video : : IGPUProgrammingServices * gpu = driver - > getGPUProgrammingServices ( ) ;
if ( ! gpu ) {
errorstream < < " generate_shader(): "
" failed to generate \" " < < name < < " \" , "
" GPU programming not supported. "
< < std : : endl ;
return shaderinfo ;
}
// Choose shader language depending on driver type and settings
// Then load shaders
std : : string vertex_program ;
std : : string pixel_program ;
std : : string geometry_program ;
bool is_highlevel ;
load_shaders ( name , sourcecache , driver - > getDriverType ( ) ,
enable_shaders , vertex_program , pixel_program ,
geometry_program , is_highlevel ) ;
// Check hardware/driver support
if ( ! vertex_program . empty ( ) & &
! driver - > queryFeature ( video : : EVDF_VERTEX_SHADER_1_1 ) & &
! driver - > queryFeature ( video : : EVDF_ARB_VERTEX_PROGRAM_1 ) ) {
infostream < < " generate_shader(): vertex shaders disabled "
" because of missing driver/hardware support. "
< < std : : endl ;
vertex_program = " " ;
}
if ( ! pixel_program . empty ( ) & &
! driver - > queryFeature ( video : : EVDF_PIXEL_SHADER_1_1 ) & &
! driver - > queryFeature ( video : : EVDF_ARB_FRAGMENT_PROGRAM_1 ) ) {
infostream < < " generate_shader(): pixel shaders disabled "
" because of missing driver/hardware support. "
< < std : : endl ;
pixel_program = " " ;
}
if ( ! geometry_program . empty ( ) & &
! driver - > queryFeature ( video : : EVDF_GEOMETRY_SHADER ) ) {
infostream < < " generate_shader(): geometry shaders disabled "
" because of missing driver/hardware support. "
< < std : : endl ;
geometry_program = " " ;
}
// If no shaders are used, don't make a separate material type
if ( vertex_program . empty ( ) & & pixel_program . empty ( ) & & geometry_program . empty ( ) )
return shaderinfo ;
// Create shaders header
bool use_gles = false ;
# if ENABLE_GLES
use_gles = driver - > getDriverType ( ) = = video : : EDT_OGLES2 ;
# endif
std : : string shaders_header , vertex_header , pixel_header ; // geometry shaders aren’
if ( use_gles ) {
shaders_header =
" #version 100 \n "
std : : stringstream shaders_header ;
shaders_header
< < std : : noboolalpha
< < std : : showpoint // for GLSL ES
;
std : : string vertex_header , fragment_header , geometry_header ;
if ( use_gles ) {
shaders_header < < R " (
# version 100
) " ;
vertex_header = R " (
uniform highp mat4 mWorldView ;
uniform highp mat4 mWorldViewProj ;
@ -675,11 +593,11 @@ ShaderInfo generate_shader(const std::string &name, u8 material_type, u8 drawtyp
attribute mediump vec4 inVertexTangent ;
attribute mediump vec4 inVertexBinormal ;
) " ;
pixel _header = R " (
fragment _header = R " (
precision mediump float ;
) " ;
} else {
shaders_header = R " (
shaders_header << R " (
# version 120
# define lowp
# define mediump
@ -708,224 +626,97 @@ ShaderInfo generate_shader(const std::string &name, u8 material_type, u8 drawtyp
use_discard = true ;
# endif
if ( use_discard & & shaderinfo . base_material ! = video : : EMT_SOLID )
shaders_header += " #define USE_DISCARD \n " ;
shaders_header << " #define USE_DISCARD 1 \n " ;
static const char * drawTypes [ ] = {
" NDT_NORMAL " ,
" NDT_AIRLIKE " ,
" NDT_LIQUID " ,
" NDT_FLOWINGLIQUID " ,
" NDT_GLASSLIKE " ,
" NDT_ALLFACES " ,
" NDT_ALLFACES_OPTIONAL " ,
" NDT_TORCHLIKE " ,
" NDT_SIGNLIKE " ,
" NDT_PLANTLIKE " ,
" NDT_FENCELIKE " ,
" NDT_RAILLIKE " ,
" NDT_NODEBOX " ,
" NDT_GLASSLIKE_FRAMED " ,
" NDT_FIRELIKE " ,
" NDT_GLASSLIKE_FRAMED_OPTIONAL " ,
" NDT_PLANTLIKE_ROOTED " ,
} ;
# define PROVIDE(constant) shaders_header << "#define " #constant " " << (int)constant << "\n"
for ( int i = 0 ; i < 14 ; i + + ) {
shaders_header + = " #define " ;
shaders_header + = drawTypes [ i ] ;
shaders_header + = " " ;
shaders_header + = itos ( i ) ;
shaders_header + = " \n " ;
PROVIDE ( NDT_NORMAL ) ;
PROVIDE ( NDT_AIRLIKE ) ;
PROVIDE ( NDT_LIQUID ) ;
PROVIDE ( NDT_FLOWINGLIQUID ) ;
PROVIDE ( NDT_GLASSLIKE ) ;
PROVIDE ( NDT_ALLFACES ) ;
PROVIDE ( NDT_ALLFACES_OPTIONAL ) ;
PROVIDE ( NDT_TORCHLIKE ) ;
PROVIDE ( NDT_SIGNLIKE ) ;
PROVIDE ( NDT_PLANTLIKE ) ;
PROVIDE ( NDT_FENCELIKE ) ;
PROVIDE ( NDT_RAILLIKE ) ;
PROVIDE ( NDT_NODEBOX ) ;
PROVIDE ( NDT_GLASSLIKE_FRAMED ) ;
PROVIDE ( NDT_FIRELIKE ) ;
PROVIDE ( NDT_GLASSLIKE_FRAMED_OPTIONAL ) ;
PROVIDE ( NDT_PLANTLIKE_ROOTED ) ;
PROVIDE ( TILE_MATERIAL_BASIC ) ;
PROVIDE ( TILE_MATERIAL_ALPHA ) ;
PROVIDE ( TILE_MATERIAL_LIQUID_TRANSPARENT ) ;
PROVIDE ( TILE_MATERIAL_LIQUID_OPAQUE ) ;
PROVIDE ( TILE_MATERIAL_WAVING_LEAVES ) ;
PROVIDE ( TILE_MATERIAL_WAVING_PLANTS ) ;
PROVIDE ( TILE_MATERIAL_OPAQUE ) ;
PROVIDE ( TILE_MATERIAL_WAVING_LIQUID_BASIC ) ;
PROVIDE ( TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT ) ;
PROVIDE ( TILE_MATERIAL_WAVING_LIQUID_OPAQUE ) ;
PROVIDE ( TILE_MATERIAL_PLAIN ) ;
PROVIDE ( TILE_MATERIAL_PLAIN_ALPHA ) ;
# undef PROVIDE
shaders_header < < " #define MATERIAL_TYPE " < < ( int ) material_type < < " \n " ;
shaders_header < < " #define DRAW_TYPE " < < ( int ) drawtype < < " \n " ;
bool enable_waving_water = g_settings - > getBool ( " enable_waving_water " ) ;
shaders_header < < " #define ENABLE_WAVING_WATER " < < enable_waving_water < < " \n " ;
if ( enable_waving_water ) {
shaders_header < < " #define WATER_WAVE_HEIGHT " < < g_settings - > getFloat ( " water_wave_height " ) < < " \n " ;
shaders_header < < " #define WATER_WAVE_LENGTH " < < g_settings - > getFloat ( " water_wave_length " ) < < " \n " ;
shaders_header < < " #define WATER_WAVE_SPEED " < < g_settings - > getFloat ( " water_wave_speed " ) < < " \n " ;
}
static const char * materialTypes [ ] = {
" TILE_MATERIAL_BASIC " ,
" TILE_MATERIAL_ALPHA " ,
" TILE_MATERIAL_LIQUID_TRANSPARENT " ,
" TILE_MATERIAL_LIQUID_OPAQUE " ,
" TILE_MATERIAL_WAVING_LEAVES " ,
" TILE_MATERIAL_WAVING_PLANTS " ,
" TILE_MATERIAL_OPAQUE " ,
" TILE_MATERIAL_WAVING_LIQUID_BASIC " ,
" TILE_MATERIAL_WAVING_LIQUID_TRANSPARENT " ,
" TILE_MATERIAL_WAVING_LIQUID_OPAQUE " ,
" TILE_MATERIAL_PLAIN " ,
" TILE_MATERIAL_PLAIN_ALPHA " ,
} ;
shaders_header < < " #define ENABLE_WAVING_LEAVES " < < g_settings - > getBool ( " enable_waving_leaves " ) < < " \n " ;
shaders_header < < " #define ENABLE_WAVING_PLANTS " < < g_settings - > getBool ( " enable_waving_plants " ) < < " \n " ;
shaders_header < < " #define ENABLE_TONE_MAPPING " < < g_settings - > getBool ( " tone_mapping " ) < < " \n " ;
for ( int i = 0 ; i < 12 ; i + + ) {
shaders_header + = " #define " ;
shaders_header + = materialTypes [ i ] ;
shaders_header + = " " ;
shaders_header + = itos ( i ) ;
shaders_header + = " \n " ;
shaders_header < < " #define FOG_START " < < core : : clamp ( g_settings - > getFloat ( " fog_start " ) , 0.0f , 0.99f ) < < " \n " ;
std : : string common_header = shaders_header . str ( ) ;
std : : string vertex_shader = m_sourcecache . getOrLoad ( name , " opengl_vertex.glsl " ) ;
std : : string fragment_shader = m_sourcecache . getOrLoad ( name , " opengl_fragment.glsl " ) ;
std : : string geometry_shader = m_sourcecache . getOrLoad ( name , " opengl_geometry.glsl " ) ;
vertex_shader = common_header + vertex_header + vertex_shader ;
fragment_shader = common_header + fragment_header + fragment_shader ;
const char * geometry_shader_ptr = nullptr ; // optional
if ( ! geometry_shader . empty ( ) ) {
geometry_shader = common_header + geometry_header + geometry_shader ;
geometry_shader_ptr = geometry_shader . c_str ( ) ;
}
shaders_header + = " #define MATERIAL_TYPE " ;
shaders_header + = itos ( material_type ) ;
shaders_header + = " \n " ;
shaders_header + = " #define DRAW_TYPE " ;
shaders_header + = itos ( drawtype ) ;
shaders_header + = " \n " ;
if ( g_settings - > getBool ( " enable_waving_water " ) ) {
shaders_header + = " #define ENABLE_WAVING_WATER 1 \n " ;
shaders_header + = " #define WATER_WAVE_HEIGHT " ;
shaders_header + = std : : to_string ( g_settings - > getFloat ( " water_wave_height " ) ) ;
shaders_header + = " \n " ;
shaders_header + = " #define WATER_WAVE_LENGTH " ;
shaders_header + = std : : to_string ( g_settings - > getFloat ( " water_wave_length " ) ) ;
shaders_header + = " \n " ;
shaders_header + = " #define WATER_WAVE_SPEED " ;
shaders_header + = std : : to_string ( g_settings - > getFloat ( " water_wave_speed " ) ) ;
shaders_header + = " \n " ;
} else {
shaders_header + = " #define ENABLE_WAVING_WATER 0 \n " ;
}
shaders_header + = " #define ENABLE_WAVING_LEAVES " ;
if ( g_settings - > getBool ( " enable_waving_leaves " ) )
shaders_header + = " 1 \n " ;
else
shaders_header + = " 0 \n " ;
shaders_header + = " #define ENABLE_WAVING_PLANTS " ;
if ( g_settings - > getBool ( " enable_waving_plants " ) )
shaders_header + = " 1 \n " ;
else
shaders_header + = " 0 \n " ;
if ( g_settings - > getBool ( " tone_mapping " ) )
shaders_header + = " #define ENABLE_TONE_MAPPING \n " ;
shaders_header + = " #define FOG_START " ;
shaders_header + = std : : to_string ( rangelim ( g_settings - > getFloat ( " fog_start " ) , 0.0f , 0.99f ) ) ;
shaders_header + = " \n " ;
// Call addHighLevelShaderMaterial() or addShaderMaterial()
const c8 * vertex_program_ptr = 0 ;
const c8 * pixel_program_ptr = 0 ;
const c8 * geometry_program_ptr = 0 ;
if ( ! vertex_program . empty ( ) ) {
vertex_program = shaders_header + vertex_header + vertex_program ;
vertex_program_ptr = vertex_program . c_str ( ) ;
}
if ( ! pixel_program . empty ( ) ) {
pixel_program = shaders_header + pixel_header + pixel_program ;
pixel_program_ptr = pixel_program . c_str ( ) ;
}
if ( ! geometry_program . empty ( ) ) {
geometry_program = shaders_header + geometry_program ;
geometry_program_ptr = geometry_program . c_str ( ) ;
}
ShaderCallback * cb = new ShaderCallback ( setter_factories ) ;
s32 shadermat = - 1 ;
if ( is_highlevel ) {
irr_ptr < ShaderCallback > cb { new ShaderCallback ( m_setter_factories ) } ;
infostream < < " Compiling high level shaders for " < < name < < std : : endl ;
shadermat = gpu - > addHighLevelShaderMaterial (
vertex_program_ptr , // Vertex shader program
" vertexMain " , // Vertex shader entry point
video : : EVST_VS_1_1 , // Vertex shader version
pixel_program_ptr , // Pixel shader program
" pixelMain " , // Pixel shader entry point
video : : EPST_PS_1_2 , // Pixel shader version
geometry_program_ptr , // Geometry shader program
" geometryMain " , // Geometry shader entry point
video : : EGST_GS_4_0 , // Geometry shader version
scene : : EPT_TRIANGLES , // Geometry shader input
scene : : EPT_TRIANGLE_STRIP , // Geometry shader output
0 , // Support maximum number of vertices
cb , // Set-constant callback
shaderinfo . base_material , // Base material
1 // Userdata passed to callback
) ;
s32 shadermat = gpu - > addHighLevelShaderMaterial (
vertex_shader . c_str ( ) , nullptr , video : : EVST_VS_1_1 ,
fragment_shader . c_str ( ) , nullptr , video : : EPST_PS_1_1 ,
geometry_shader_ptr , nullptr , video : : EGST_GS_4_0 , scene : : EPT_TRIANGLES , scene : : EPT_TRIANGLES , 0 ,
cb . get ( ) , shaderinfo . base_material , 1 ) ;
if ( shadermat = = - 1 ) {
errorstream < < " generate_shader(): "
" failed to generate \" " < < name < < " \" , "
" addHighLevelShaderMaterial failed. "
< < std : : endl ;
dumpShaderProgram ( warningstream , " Vertex " , vertex_program ) ;
dumpShaderProgram ( warningstream , " Pixel " , pixel_program ) ;
dumpShaderProgram ( warningstream , " Geometry " , geometry_program ) ;
delete cb ;
dumpShaderProgram ( warningstream , " Vertex " , vertex_shader ) ;
dumpShaderProgram ( warningstream , " Fragment " , fragment_shader ) ;
dumpShaderProgram ( warningstream , " Geometry " , geometry_shader ) ;
return shaderinfo ;
}
}
else {
infostream < < " Compiling assembly shaders for " < < name < < std : : endl ;
shadermat = gpu - > addShaderMaterial (
vertex_program_ptr , // Vertex shader program
pixel_program_ptr , // Pixel shader program
cb , // Set-constant callback
shaderinfo . base_material , // Base material
0 // Userdata passed to callback
) ;
if ( shadermat = = - 1 ) {
errorstream < < " generate_shader(): "
" failed to generate \" " < < name < < " \" , "
" addShaderMaterial failed. "
< < std : : endl ;
dumpShaderProgram ( warningstream , " Vertex " , vertex_program ) ;
dumpShaderProgram ( warningstream , " Pixel " , pixel_program ) ;
delete cb ;
return shaderinfo ;
}
}
callbacks . push_back ( cb ) ;
// HACK, TODO: investigate this better
// Grab the material renderer once more so minetest doesn't crash on exit
driver - > getMaterialRenderer ( shadermat ) - > grab ( ) ;
// Apply the newly created material type
shaderinfo . material = ( video : : E_MATERIAL_TYPE ) shadermat ;
return shaderinfo ;
}
void load_shaders ( const std : : string & name , SourceShaderCache * sourcecache ,
video : : E_DRIVER_TYPE drivertype , bool enable_shaders ,
std : : string & vertex_program , std : : string & pixel_program ,
std : : string & geometry_program , bool & is_highlevel )
{
vertex_program = " " ;
pixel_program = " " ;
geometry_program = " " ;
is_highlevel = false ;
if ( ! enable_shaders )
return ;
// Look for high level shaders
switch ( drivertype ) {
case video : : EDT_DIRECT3D9 :
// Direct3D 9: HLSL
// (All shaders in one file)
vertex_program = sourcecache - > getOrLoad ( name , " d3d9.hlsl " ) ;
pixel_program = vertex_program ;
geometry_program = vertex_program ;
break ;
case video : : EDT_OPENGL :
# if ENABLE_GLES
case video : : EDT_OGLES2 :
# endif
// OpenGL: GLSL
vertex_program = sourcecache - > getOrLoad ( name , " opengl_vertex.glsl " ) ;
pixel_program = sourcecache - > getOrLoad ( name , " opengl_fragment.glsl " ) ;
geometry_program = sourcecache - > getOrLoad ( name , " opengl_geometry.glsl " ) ;
break ;
default :
// e.g. OpenGL ES 1 (with no shader support)
break ;
}
if ( ! vertex_program . empty ( ) | | ! pixel_program . empty ( ) | | ! geometry_program . empty ( ) ) {
is_highlevel = true ;
return ;
}
}
void dumpShaderProgram ( std : : ostream & output_stream ,
const std : : string & program_type , const std : : string & program )
{
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