void Canvas::SetupShader() {
m_shader = std::unique_ptr<sf::Shader>( new sf::Shader );
auto load_result = m_shader->loadFromMemory(
"#version 130\n"
"in vec2 vertex;\n"
"in vec2 texture_coordinate;\n"
"out vec2 vertex_texture_coordinate;\n"
"void main() {\n"
"\tgl_Position = vec4(vertex.xy, 1.f, 1.f);\n"
"\tvertex_texture_coordinate = texture_coordinate;\n"
"}\n",
"#version 130\n"
"uniform sampler2D texture0;\n"
"in vec2 vertex_texture_coordinate;\n"
"out vec4 fragment_color;\n"
"void main() {\n"
"\tfragment_color = texture(texture0, vertex_texture_coordinate);\n"
"}\n"
);
if( !load_result ) {
non_legacy_supported = false;
m_shader.reset();
return;
}
m_vertex_location = GetAttributeLocation( *m_shader, "vertex" );
m_texture_coordinate_location = GetAttributeLocation( *m_shader, "texture_coordinate" );
m_shader->setParameter( "texture0", m_render_texture->getTexture() );
}
void ApplyPaletteShader::GetLocations()
{
uTexture = GetUniformLocation("uTexture");
uPalette = GetUniformLocation("uPalette");
vPosition = GetAttributeLocation("vPosition");
vTextureCoordinate = GetAttributeLocation("vTextureCoordinate");
}
void ApplyTransparencyShader::GetLocations()
{
uOpaqueTex = GetUniformLocation("uOpaqueTex");
uOpaqueDepth = GetUniformLocation("uOpaqueDepth");
uTransparentTex = GetUniformLocation("uTransparentTex");
uTransparentDepth = GetUniformLocation("uTransparentDepth");
uPaletteTex = GetUniformLocation("uPaletteTex");
vPosition = GetAttributeLocation("vPosition");
vTextureCoordinate = GetAttributeLocation("vTextureCoordinate");
}
void DrawLineShader::GetLocations()
{
uScreenSize = GetUniformLocation("uScreenSize");
vClip = GetAttributeLocation("vClip");
vBounds = GetAttributeLocation("vBounds");
vColour = GetAttributeLocation("vColour");
vDepth = GetAttributeLocation("vDepth");
vVertMat = GetAttributeLocation("vVertMat");
}
/**
* Class constructor, loads shaders & gets locations of variables in them
*/
AssimpLoader::AssimpLoader() {
importerPtr = new Assimp::Importer;
scene = NULL;
isObjectLoaded = false;
// shader related setup -- loading, attribute and uniform locations
std::string vertexShader = "shaders/modelTextured.vsh";
std::string fragmentShader = "shaders/modelTextured.fsh";
shaderProgramID = LoadShaders(vertexShader, fragmentShader);
vertexAttribute = GetAttributeLocation(shaderProgramID, "vertexPosition");
vertexUVAttribute = GetAttributeLocation(shaderProgramID, "vertexUV");
mvpLocation = GetUniformLocation(shaderProgramID, "mvpMat");
textureSamplerLocation = GetUniformLocation(shaderProgramID, "textureSampler");
CheckGLError("AssimpLoader::AssimpLoader");
}
/** fmGetPolicerAttribute
* \ingroup policer
*
* \chips FM3000, FM4000, FM6000, FM10000
*
* \desc Get a policer attribute.
*
* \param[in] sw is the switch on which to operate.
*
* \param[in] policer is the policer number whose attribute is to be
* retrieved.
*
* \param[in] attr is the policer attribute to get (see
* ''Policer Attributes'').
*
* \param[out] value points to caller-allocated storage where this
* function should place the attribute value.
*
* \return FM_OK if successful.
* \return FM_ERR_INVALID_SWITCH if sw is invalid.
* \return FM_ERR_INVALID_POLICER if policer is invalid.
* \return FM_ERR_INVALID_ARGUMENT if unrecognized attribute.
*
*****************************************************************************/
fm_status fmGetPolicerAttribute(fm_int sw,
fm_int policer,
fm_int attr,
fm_voidptr value)
{
void * location;
fm_int size;
FM_API_PREAMBLE("sw = %d, policer = %d, attr = %d, value = %p\n",
sw,
policer,
attr,
(void *) value);
if (value == NULL)
{
err = FM_ERR_INVALID_ARGUMENT;
goto ABORT;
}
err = GetAttributeLocation(sw, policer, attr, &location, &size);
if (err == FM_OK)
{
FM_MEMCPY_S(value, size, location, size);
}
FM_API_POSTAMBLE;
} /* end fmGetPolicerAttribute */
/**
* Perform inits and load the triangle's vertices/colors to GLES
*/
void Triangle::PerformGLInits() {
MyGLInits();
//specify 3 vertices of the triangle
static const GLfloat vertexBufferData[] = {
-1.0f, -1.0f, 0.0f,
1.0f, -1.0f, 0.0f,
0.0f, 1.0f, 0.0f
};
// Generate a vertex buffer and load the vertices into it
glGenBuffers(1, &vertexBuffer);
glBindBuffer(GL_ARRAY_BUFFER, vertexBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(vertexBufferData), vertexBufferData, GL_DYNAMIC_DRAW);
//specify colors of the 3 vertices
static const GLfloat colorBufferData[] = {
0.0f, 1.0f, 0.0f, //green
0.0f, 1.0f, 0.0f, //green
0.0f, 0.0f, 1.0f //blue
};
// Generate a vertex buffer and load the colors into it
glGenBuffers(1, &colorBuffer);
glBindBuffer(GL_ARRAY_BUFFER, colorBuffer);
glBufferData(GL_ARRAY_BUFFER, sizeof(colorBufferData), colorBufferData, GL_STATIC_DRAW);
// shader related setup
std::string vertexShader = "shaders/colorTriangle.vsh";
std::string fragmentShader = "shaders/colorTriangle.fsh";
// compile the vertex and fragment shaders, and link them together
shaderProgramID = LoadShaders(vertexShader, fragmentShader);
// fetch the locations of "vertexPosition" and "vertexColor" from the shader
vertexAttribute = GetAttributeLocation(shaderProgramID, "vertexPosition");
colorAttribute = GetAttributeLocation(shaderProgramID, "vertexColor");
// set parameters that control animation of the triangle
triangleVertexDelta = 0;
triangleSwapRate = 0.01; // increase this to speedup the animation
CheckGLError("Triangle::PerformGLInits");
initsDone = true;
}
void DrawLineShader::GetLocations()
{
uScreenSize = GetUniformLocation("uScreenSize");
uClip = GetUniformLocation("uClip");
uBounds = GetUniformLocation("uBounds");
uColour = GetUniformLocation("uColour");
vIndex = GetAttributeLocation("vIndex");
}
void
GLSLProgram::SetAttributeVariable(char* name, int val)
{
int loc;
if ((loc = GetAttributeLocation(name)) >= 0)
{
this->Use();
glVertexAttrib1i(loc, val);
}
};
void
GLSLProgram::SetAttribute( char* name, float val )
{
int loc;
if( ( loc = GetAttributeLocation( name ) ) >= 0 )
{
this->Use();
glUniform1f( loc, val );
}
};
void
GLSLProgram::SetAttributeVariable(char* name, float vals[3])
{
int loc;
if ((loc = GetAttributeLocation(name)) >= 0)
{
this->Use();
glVertexAttrib3fv(loc, vals);
}
};
void FillRectShader::GetLocations()
{
uScreenSize = GetUniformLocation("uScreenSize");
uClip = GetUniformLocation("uClip");
uBounds = GetUniformLocation("uBounds");
uFlags = GetUniformLocation("uFlags");
uColour[0] = GetUniformLocation("uColour[0]");
uColour[1] = GetUniformLocation("uColour[1]");
uSourceFramebuffer = GetUniformLocation("uSourceFramebuffer");
vIndex = GetAttributeLocation("vIndex");
}
/** fmSetPolicerAttribute
* \ingroup policer
*
* \chips FM3000, FM4000, FM6000, FM10000
*
* \desc Set a policer attribute.
*
* \note Some attributes are per-policer, some are per-bank and
* some are global. If two policers are given conflicting
* values for an attribute with bank-wide scope, the ACL
* compiler (''fmCompileACL'') will try to put those policers
* in different banks. If there are not enough banks in the
* hardware to support all the conflicting attribute values,
* the compiler will generate an error. See
* ''Policer Attributes'' to determine the scope of each
* attribute.
* \lb\lb
* \param[in] sw is the switch on which to operate.
*
* \param[in] policer is the policer number whose attribute is to be
* set. This argument is ignored for global attributes.
*
* \param[in] attr is the policer attribute to set (see
* ''Policer Attributes'').
*
* \param[in] value points to the attribute value to set.
*
* \return FM_OK if successful.
* \return FM_ERR_INVALID_SWITCH if sw is invalid.
* \return FM_ERR_INVALID_POLICER if policer is invalid.
* \return FM_ERR_INVALID_ATTRIB if attempting to set a read-only
* attribute.
* \return FM_ERR_INVALID_ARGUMENT if unrecognized attribute.
* \return FM_ERR_INVALID_VALUE if value points to an invalid value
* for the specified attribute.
*
*
*****************************************************************************/
fm_status fmSetPolicerAttribute(fm_int sw,
fm_int policer,
fm_int attr,
const void *value)
{
void * location;
fm_int size;
fm_switch *switchPtr;
FM_API_PREAMBLE("sw = %d, policer = %d, attr = %d, value = %p\n",
sw,
policer,
attr,
(void *) value);
if (value == NULL)
{
err = FM_ERR_INVALID_ARGUMENT;
goto ABORT;
}
err = GetAttributeLocation(sw, policer, attr, &location, &size);
if (err == FM_OK)
{
FM_MEMCPY_S(location, size, value, size);
}
switchPtr = GET_SWITCH_PTR(sw);
if ( (err == FM_OK) && (switchPtr->SetPolicerAttribute != NULL) )
{
/* for SWAG */
err = switchPtr->SetPolicerAttribute(sw, policer, attr, value);
}
FM_API_POSTAMBLE;
} /* end fmSetPolicerAttribute */
void DrawRectShader::GetLocations()
{
uScreenSize = GetUniformLocation("uScreenSize");
uTexture = GetUniformLocation("uTexture");
uPaletteTex = GetUniformLocation("uPaletteTex");
uPeelingTex = GetUniformLocation("uPeelingTex");
uPeeling = GetUniformLocation("uPeeling");
vClip = GetAttributeLocation("vClip");
vTexColourAtlas = GetAttributeLocation("vTexColourAtlas");
vTexColourBounds = GetAttributeLocation("vTexColourBounds");
vTexMaskAtlas = GetAttributeLocation("vTexMaskAtlas");
vTexMaskBounds = GetAttributeLocation("vTexMaskBounds");
vPalettes = GetAttributeLocation("vPalettes");
vFlags = GetAttributeLocation("vFlags");
vColour = GetAttributeLocation("vColour");
vBounds = GetAttributeLocation("vBounds");
vDepth = GetAttributeLocation("vDepth");
vVertMat = GetAttributeLocation("vVertMat");
vVertVec = GetAttributeLocation("vVertVec");
}
void Shader::SetParameterf(std::string name, float val)
{
glUniform1f(GetAttributeLocation(name), val);
}
void Shader::SetParameterMat4(std::string name, float* mat)
{
glUniformMatrix4fv(GetAttributeLocation(name), 1, GL_FALSE, mat);
}
void Shader::SetParameterVec4(std::string name, float x, float y, float z, float w)
{
glUniform4f(GetAttributeLocation(name), x, y, z, w);
}
void Shader::SetParameterVec3(std::string name, float x, float y, float z)
{
glUniform3f(GetAttributeLocation(name), x, y, z);
}
void Shader::SetParameterVec2(std::string name, float x, float y)
{
glUniform2f(GetAttributeLocation(name), x, y);
}
void Shader::SetParameteri(std::string name, int val)
{
glUniform1i(GetAttributeLocation(name), val);
}
NonLegacyRenderer::NonLegacyRenderer() :
m_previous_window_size( -1, -1 ),
m_last_vertex_count( 0 ),
m_last_index_count( 0 ),
m_vbo_sync_type( INVALIDATE_ALL ),
m_vbo_synced( false ),
m_cull( false ),
m_use_fbo( false ) {
if( IsAvailable() ) {
auto load_result = m_shader.loadFromMemory(
"#version 130\n"
"uniform vec2 viewport_parameters;\n"
"in vec2 vertex;\n"
"in vec4 color;\n"
"in vec2 texture_coordinate;\n"
"out vec4 vertex_color;\n"
"out vec2 vertex_texture_coordinate;\n"
"void main() {\n"
"\tmat4 mvp_matrix = mat4(1.f);\n"
"\tmvp_matrix[3][0] = -1.f;\n"
"\tmvp_matrix[3][1] = 1.f;\n"
"\tmvp_matrix[0][0] = viewport_parameters.x;\n"
"\tmvp_matrix[1][1] = viewport_parameters.y;\n"
"\tmvp_matrix[2][2] = -1.f;\n"
"\tgl_Position = mvp_matrix * vec4(vertex.xy, 1.f, 1.f);\n"
"\tvertex_color = color;\n"
"\tvertex_texture_coordinate = texture_coordinate;\n"
"}\n",
"#version 130\n"
"uniform sampler2D texture0;\n"
"in vec4 vertex_color;\n"
"in vec2 vertex_texture_coordinate;\n"
"out vec4 fragment_color;\n"
"void main() {\n"
"\tfragment_color = vertex_color * texture(texture0, vertex_texture_coordinate);\n"
"}\n"
);
if( !load_result ) {
shader_supported = false;
#if defined( SFGUI_DEBUG )
std::cerr << "Non-legacy renderer unavailable.\n";
#endif
return;
}
m_vertex_location = GetAttributeLocation( m_shader, "vertex" );
m_color_location = GetAttributeLocation( m_shader, "color" );
m_texture_coordinate_location = GetAttributeLocation( m_shader, "texture_coordinate" );
CheckGLError( GLEXT_glGenBuffers( 1, &m_vertex_vbo ) );
CheckGLError( GLEXT_glGenBuffers( 1, &m_color_vbo ) );
CheckGLError( GLEXT_glGenBuffers( 1, &m_texture_vbo ) );
CheckGLError( GLEXT_glGenBuffers( 1, &m_index_vbo ) );
}
else {
#if defined( SFGUI_DEBUG )
std::cerr << "Non-legacy renderer unavailable.\n";
#endif
}
}