return glGetUniformLocation(self, c_name);
`}
- # Query information on this program
- fun query(pname: Int): Int `{
- int val;
- glGetProgramiv(self, pname, &val);
- return val;
- `}
-
# Is this program linked?
- fun is_linked: Bool do return query(0x8B82) != 0
+ fun is_linked: Bool do return glGetProgramiv(self, gl_LINK_STATUS) != 0
# Has this program been deleted?
- fun is_deleted: Bool do return query(0x8B80) != 0
+ fun is_deleted: Bool do return glGetProgramiv(self, gl_DELETE_STATUS) != 0
# Boolean result of `validate`, must be called after `validate`
- fun is_validated: Bool do return query(0x8B83) != 0
-
- # Retrieve the information log of this program
- #
- # Useful with `link` and `validate`
- fun info_log: String import NativeString.to_s `{
- int size;
- glGetProgramiv(self, GL_INFO_LOG_LENGTH, &size);
- GLchar *msg = malloc(size);
- glGetProgramInfoLog(self, size, NULL, msg);
- return NativeString_to_s(msg);
- `}
+ fun is_validated: Bool do return glGetProgramiv(self, gl_VALIDATE_STATUS) != 0
# Number of active uniform in this program
#
# This should be the number of uniforms declared in all shader, except
# unused uniforms which may have been optimized out.
- fun n_active_uniforms: Int do return query(0x8B86)
+ fun n_active_uniforms: Int do return glGetProgramiv(self, gl_ACTIVE_UNIFORMS)
- # Length of the longest uniform name in this program, including `\n`
- fun active_uniform_max_length: Int do return query(0x8B87)
+ # Length of the longest uniform name in this program, including the null byte
+ fun active_uniform_max_length: Int do return glGetProgramiv(self, gl_ACTIVE_UNIFORM_MAX_LENGTH)
# Number of active attributes in this program
#
# This should be the number of uniforms declared in all shader, except
# unused uniforms which may have been optimized out.
- fun n_active_attributes: Int do return query(0x8B89)
+ fun n_active_attributes: Int do return glGetProgramiv(self, gl_ACTIVE_ATTRIBUTES)
- # Length of the longest uniform name in this program, including `\n`
- fun active_attribute_max_length: Int do return query(0x8B8A)
+ # Length of the longest attribute name in this program, including the null byte
+ fun active_attribute_max_length: Int do return glGetProgramiv(self, gl_ACTIVE_ATTRIBUTE_MAX_LENGTH)
# Number of shaders attached to this program
- fun n_attached_shaders: Int do return query(0x8B85)
+ fun n_attached_shaders: Int do return glGetProgramiv(self, gl_ATTACHED_SHADERS)
# Name of the active attribute at `index`
fun active_attrib_name(index: Int): String
do
var max_size = active_attribute_max_length
- return active_attrib_name_native(index, max_size).to_s
+ var cname = new CString(max_size)
+ active_attrib_name_native(index, max_size, cname)
+ return cname.to_s
end
- private fun active_attrib_name_native(index, max_size: Int): NativeString `{
+
+ private fun active_attrib_name_native(index, max_size: Int, name: CString) `{
// We get more values than we need, for compatibility. At least the
// NVidia driver tries to fill them even if NULL.
- char *name = malloc(max_size);
int size;
GLenum type;
glGetActiveAttrib(self, index, max_size, NULL, &size, &type, name);
- return name;
`}
# Size of the active attribute at `index`
# Type of the active attribute at `index`
#
# May only be float related data types (single float, vectors and matrix).
- fun active_attrib_type(index: Int): GLFloatDataType `{
+ fun active_attrib_type(index: Int): GLDataType `{
int size;
GLenum type;
glGetActiveAttrib(self, index, 0, NULL, &size, &type, NULL);
# Name of the active uniform at `index`
fun active_uniform_name(index: Int): String
do
- var max_size = active_attribute_max_length
- return active_uniform_name_native(index, max_size).to_s
+ var max_size = active_uniform_max_length
+ var cname = new CString(max_size)
+ active_uniform_name_native(index, max_size, cname)
+ return cname.to_s
end
- private fun active_uniform_name_native(index, max_size: Int): NativeString `{
- char *name = malloc(max_size);
+
+ private fun active_uniform_name_native(index, max_size: Int, name: CString) `{
int size;
GLenum type;
glGetActiveUniform(self, index, max_size, NULL, &size, &type, name);
- return name;
`}
# Size of the active uniform at `index`
# Detach `shader` from `program`
fun glDetachShader(program: GLProgram, shader: GLShader) `{ glDetachShader(program, shader); `}
+# Parameter value from a `program` object
+fun glGetProgramiv(program: GLProgram, pname: GLGetParameterName): Int `{
+ int value;
+ glGetProgramiv(program, pname, &value);
+ return value;
+`}
+
+# The information log for the `program` object
+fun glGetProgramInfoLog(program: GLProgram): String
+do
+ var size = glGetProgramiv(program, gl_INFO_LOG_LENGTH)
+ var buf = new CString(size)
+ native_glGetProgramInfoLog(program, size, buf)
+ return buf.to_s_with_length(size)
+end
+
+# Return the program information log in `buf`
+private fun native_glGetProgramInfoLog(program: GLProgram, buf_size: Int, buf: CString): Int `{
+ int length;
+ glGetProgramInfoLog(program, buf_size, &length, buf);
+ return length;
+`}
+
# Abstract OpenGL ES shader object, implemented by `GLFragmentShader` and `GLVertexShader`
extern class GLShader `{GLuint`}
# was created from a binary file.
fun source: nullable String
do
- var size = query(0x8B88)
+ var size = glGetShaderiv(self, gl_SHADER_SOURCE_LENGTH)
if size == 0 then return null
return source_native(size).to_s
end
- private fun source_native(size: Int): NativeString `{
+ private fun source_native(size: Int): CString `{
GLchar *code = malloc(size);
glGetShaderSource(self, size, NULL, code);
return code;
`}
- # Query information on this shader
- protected fun query(pname: Int): Int `{
- int val;
- glGetShaderiv(self, pname, &val);
- return val;
- `}
-
# Has this shader been compiled?
- fun is_compiled: Bool do return query(0x8B81) != 0
+ fun is_compiled: Bool do return glGetShaderiv(self, gl_COMPILE_STATUS) != 0
# Has this shader been deleted?
- fun is_deleted: Bool do return query(0x8B80) != 0
+ fun is_deleted: Bool do return glGetShaderiv(self, gl_DELETE_STATUS) != 0
+end
- # Retrieve the information log of this shader
- #
- # Useful with `link` and `validate`
- fun info_log: String import NativeString.to_s `{
- int size;
- glGetShaderiv(self, GL_INFO_LOG_LENGTH, &size);
- GLchar *msg = malloc(size);
- glGetShaderInfoLog(self, size, NULL, msg);
- return NativeString_to_s(msg);
- `}
+# Get a parameter value from a `shader` object
+fun glGetShaderiv(shader: GLShader, pname: GLGetParameterName): Int `{
+ int val;
+ glGetShaderiv(shader, pname, &val);
+ return val;
+`}
+
+# Shader parameter
+extern class GLGetParameterName
+ super GLEnum
+end
+
+fun gl_INFO_LOG_LENGTH: GLGetParameterName `{ return GL_INFO_LOG_LENGTH; `}
+fun gl_DELETE_STATUS: GLGetParameterName `{ return GL_DELETE_STATUS; `}
+
+fun gl_SHADER_TYPE: GLGetParameterName `{ return GL_SHADER_TYPE; `}
+fun gl_COMPILE_STATUS: GLGetParameterName `{ return GL_COMPILE_STATUS; `}
+fun gl_SHADER_SOURCE_LENGTH: GLGetParameterName `{ return GL_SHADER_SOURCE_LENGTH; `}
+
+fun gl_ACTIVE_ATTRIBUTES: GLGetParameterName `{ return GL_ACTIVE_ATTRIBUTES; `}
+fun gl_ACTIVE_ATTRIBUTE_MAX_LENGTH: GLGetParameterName `{ return GL_ACTIVE_ATTRIBUTE_MAX_LENGTH; `}
+fun gl_ACTIVE_UNIFORMS: GLGetParameterName `{ return GL_ACTIVE_UNIFORMS; `}
+fun gl_ACTIVE_UNIFORM_MAX_LENGTH: GLGetParameterName `{ return GL_ACTIVE_UNIFORM_MAX_LENGTH; `}
+fun gl_ATTACHED_SHADERS: GLGetParameterName `{ return GL_ATTACHED_SHADERS; `}
+fun gl_LINK_STATUS: GLGetParameterName `{ return GL_LINK_STATUS; `}
+fun gl_VALIDATE_STATUS: GLGetParameterName `{ return GL_VALIDATE_STATUS; `}
+
+# The information log for the `shader` object
+fun glGetShaderInfoLog(shader: GLShader): String
+do
+ var size = glGetShaderiv(shader, gl_INFO_LOG_LENGTH)
+ var buf = new CString(size)
+ native_glGetShaderInfoLog(shader, size, buf)
+ return buf.to_s_with_length(size)
end
+private fun native_glGetShaderInfoLog(shader: GLShader, buf_size: Int, buffer: CString): Int `{
+ int length;
+ glGetShaderInfoLog(shader, buf_size, &length, buffer);
+ return length;
+`}
+
# Shader type
extern class GLShaderType
super GLEnum
`}
# Replace the source code in the `shader` object with `code`
-fun glShaderSource(shader: GLShader, code: NativeString) `{
+fun glShaderSource(shader: GLShader, code: CString) `{
glShaderSource(shader, 1, (GLchar const **)&code, NULL);
`}
# Render primitives from array data
fun glDrawArrays(mode: GLDrawMode, from, count: Int) `{ glDrawArrays(mode, from, count); `}
+# Render primitives from array data by their index
+fun glDrawElements(mode: GLDrawMode, count: Int, typ: GLDataType, indices: Pointer) `{
+ glDrawElements(mode, count, typ, indices);
+`}
+
# Define an array of generic vertex attribute data
fun glVertexAttribPointer(index, size: Int, typ: GLDataType, normalized: Bool, stride: Int, array: NativeGLfloatArray) `{
glVertexAttribPointer(index, size, typ, normalized, stride, array);
# Specify the value of a uniform variable for the current program object
fun glUniform4i(index, x, y, z, w: Int) `{ glUniform4i(index, x, y, z, w); `}
-# TODO glUniform*f
+# Specify the value of a uniform variable for the current program object
+fun glUniform1f(index: Int, x: Float) `{ glUniform1f(index, x); `}
+
+# Specify the value of a uniform variable for the current program object
+fun glUniform2f(index: Int, x, y: Float) `{ glUniform2f(index, x, y); `}
+
+# Specify the value of a uniform variable for the current program object
+fun glUniform3f(index: Int, x, y, z: Float) `{ glUniform3f(index, x, y, z); `}
+
+# Specify the value of a uniform variable for the current program object
+fun glUniform4f(index: Int, x, y, z, w: Float) `{ glUniform4f(index, x, y, z, w); `}
# Low level array of `Float`
class GLfloatArray
super CArray[Float]
redef type NATIVE: NativeGLfloatArray
- init do native_array = new NativeGLfloatArray(length)
+ redef init(length)
+ do
+ native_array = new NativeGLfloatArray(length)
+ end
# Create with the content of `array`
new from(array: Array[Float])
# Specify a two-dimensional texture image
fun glTexImage2D(target: GLTextureTarget, level: Int, internalformat: GLPixelFormat,
width, height, border: Int,
- format: GLPixelFormat, typ: GLPixelType, data: Pointer) `{
+ format: GLPixelFormat, typ: GLDataType, data: Pointer) `{
glTexImage2D(target, level, internalformat, width, height, border, format, typ, data);
`}
# Specify a two-dimensional texture subimage
fun glTexSubImage2D(target: GLTextureTarget,
level, xoffset, yoffset, width, height, border: Int,
- format: GLPixelFormat, typ: GLPixelType, data: Pointer) `{
+ format: GLPixelFormat, typ: GLDataType, data: Pointer) `{
glTexSubImage2D(target, level, xoffset, yoffset, width, height, format, typ, data);
`}
`}
# Copy a block of pixels from the framebuffer of `fomat` and `typ` at `data`
-fun glReadPixels(x, y, width, height: Int, format: GLPixelFormat, typ: GLPixelType, data: Pointer) `{
+fun glReadPixels(x, y, width, height: Int, format: GLPixelFormat, typ: GLDataType, data: Pointer) `{
glReadPixels(x, y, width, height, format, typ, data);
`}
var stencil_test: GLCap is lazy do return new GLCap(0x0B90)
end
-# Float related data types of OpenGL ES 2.0 shaders
-#
-# Only data types supported by shader attributes, as seen with
-# `GLProgram::active_attrib_type`.
-extern class GLFloatDataType
- super GLEnum
-
- fun is_float: Bool `{ return self == GL_FLOAT; `}
- fun is_float_vec2: Bool `{ return self == GL_FLOAT_VEC2; `}
- fun is_float_vec3: Bool `{ return self == GL_FLOAT_VEC3; `}
- fun is_float_vec4: Bool `{ return self == GL_FLOAT_VEC4; `}
- fun is_float_mat2: Bool `{ return self == GL_FLOAT_MAT2; `}
- fun is_float_mat3: Bool `{ return self == GL_FLOAT_MAT3; `}
- fun is_float_mat4: Bool `{ return self == GL_FLOAT_MAT4; `}
-
- # Instances of `GLFloatDataType` can be equal to instances of `GLDataType`
- redef fun ==(o)
- do
- return o != null and o isa GLFloatDataType and o.hash == self.hash
- end
-end
-
# All data types of OpenGL ES 2.0 shaders
#
# These types can be used by shader uniforms, as seen with
# `GLProgram::active_uniform_type`.
extern class GLDataType
- super GLFloatDataType
-
- fun is_int: Bool `{ return self == GL_INT; `}
- fun is_int_vec2: Bool `{ return self == GL_INT_VEC2; `}
- fun is_int_vec3: Bool `{ return self == GL_INT_VEC3; `}
- fun is_int_vec4: Bool `{ return self == GL_INT_VEC4; `}
- fun is_bool: Bool `{ return self == GL_BOOL; `}
- fun is_bool_vec2: Bool `{ return self == GL_BOOL_VEC2; `}
- fun is_bool_vec3: Bool `{ return self == GL_BOOL_VEC3; `}
- fun is_bool_vec4: Bool `{ return self == GL_BOOL_VEC4; `}
- fun is_sampler_2d: Bool `{ return self == GL_SAMPLER_2D; `}
- fun is_sampler_cube: Bool `{ return self == GL_SAMPLER_CUBE; `}
+ super GLEnum
end
+fun gl_FLOAT: GLDataType `{ return GL_FLOAT; `}
+fun gl_FLOAT_VEC2: GLDataType `{ return GL_FLOAT_VEC2; `}
+fun gl_FLOAT_VEC3: GLDataType `{ return GL_FLOAT_VEC3; `}
+fun gl_FLOAT_VEC4: GLDataType `{ return GL_FLOAT_VEC4; `}
+fun gl_FLOAT_MAT2: GLDataType `{ return GL_FLOAT_MAT2; `}
+fun gl_FLOAT_MAT3: GLDataType `{ return GL_FLOAT_MAT3; `}
+fun gl_FLOAT_MAT4: GLDataType `{ return GL_FLOAT_MAT4; `}
+
+fun gl_BYTE: GLDataType `{ return GL_BYTE; `}
+fun gl_UNSIGNED_BYTE: GLDataType `{ return GL_UNSIGNED_BYTE; `}
+fun gl_SHORT: GLDataType `{ return GL_SHORT; `}
+fun gl_UNSIGNED_SHORT: GLDataType `{ return GL_UNSIGNED_SHORT; `}
+fun gl_INT: GLDataType `{ return GL_INT; `}
+fun gl_UNSIGNED_INT: GLDataType `{ return GL_UNSIGNED_INT; `}
+fun gl_FIXED: GLDataType `{ return GL_FIXED; `}
+fun gl_INT_VEC2: GLDataType `{ return GL_INT_VEC2; `}
+fun gl_INT_VEC3: GLDataType `{ return GL_INT_VEC3; `}
+fun gl_INT_VEC4: GLDataType `{ return GL_INT_VEC4; `}
+fun gl_BOOL: GLDataType `{ return GL_BOOL; `}
+fun gl_BOOL_VEC2: GLDataType `{ return GL_BOOL_VEC2; `}
+fun gl_BOOL_VEC3: GLDataType `{ return GL_BOOL_VEC3; `}
+fun gl_BOOL_VEC4: GLDataType `{ return GL_BOOL_VEC4; `}
+fun gl_SAMPLER_2D: GLDataType `{ return GL_SAMPLER_2D; `}
+fun gl_SAMPLER_CUBE: GLDataType `{ return GL_SAMPLER_CUBE; `}
+
+fun gl_UNSIGNED_SHORT_5_6_5: GLDataType `{ return GL_UNSIGNED_SHORT_5_6_5; `}
+fun gl_UNSIGNED_SHORT_4_4_4_4: GLDataType `{ return GL_UNSIGNED_SHORT_4_4_4_4; `}
+fun gl_UNSIGNED_SHORT_5_5_5_1: GLDataType `{ return GL_UNSIGNED_SHORT_5_5_5_1; `}
+
# Kind of primitives to render
extern class GLDrawMode
super GLEnum
fun gl_RGB: GLPixelFormat `{ return GL_RGB; `}
fun gl_RGBA: GLPixelFormat `{ return GL_RGBA; `}
-# Data type of pixel data
-extern class GLPixelType
- super GLEnum
-end
-
-fun gl_UNSIGNED_BYTE: GLPixelType `{ return GL_UNSIGNED_BYTE; `}
-fun gl_UNSIGNED_SHORT_5_6_5: GLPixelType `{ return GL_UNSIGNED_SHORT_5_6_5; `}
-fun gl_UNSIGNED_SHORT_4_4_4_4: GLPixelType `{ return GL_UNSIGNED_SHORT_4_4_4_4; `}
-fun gl_UNSIGNED_SHORT_5_5_5_1: GLPixelType `{ return GL_UNSIGNED_SHORT_5_5_5_1; `}
-
# Set of buffers as a bitwise OR mask
extern class GLBuffer `{ GLbitfield `}
# Bitwise OR with `other`
# Specify the width of rasterized lines
fun glLineWidth(width: Float) `{ glLineWidth(width); `}
+
+# Get the value of the parameter `pname` at `offset`
+fun glGetBooleanv(pname: GLGetParameterName, offset: Int): Bool `{
+ GLboolean v[4];
+ glGetBooleanv(pname, v);
+ return v[offset];
+`}
+
+# Get the value of the parameter `pname` at `offset`
+fun glGetFloatv(pname: GLGetParameterName, offset: Int): Float `{
+ GLfloat v[4];
+ glGetFloatv(pname, v);
+ return v[offset];
+`}
+
+# Get the value of the parameter `pname` at `offset`
+fun glGetIntegerv(pname: GLGetParameterName, offset: Int): Int `{
+ GLint v[4];
+ glGetIntegerv(pname, v);
+ return v[offset];
+`}
+
+fun gl_COLOR_CLEAR_VALUE: GLGetParameterName `{ return GL_COLOR_CLEAR_VALUE; `}
+
+fun gl_MAX_TEXTURE_SIZE: GLGetParameterName `{ return GL_MAX_TEXTURE_SIZE; `}
+fun gl_MAX_VIEWPORT_DIMS: GLGetParameterName `{ return GL_MAX_VIEWPORT_DIMS; `}
+fun gl_MAX_VERTEX_ATTRIBS: GLGetParameterName `{ return GL_MAX_VERTEX_ATTRIBS; `}
+fun gl_MAX_VERTEX_UNIFORM_VECTORS: GLGetParameterName `{ return GL_MAX_VERTEX_UNIFORM_VECTORS; `}
+fun gl_MAX_VARYING_VECTORS: GLGetParameterName `{ return GL_MAX_VARYING_VECTORS; `}
+fun gl_MAX_COMBINED_TEXTURE_IMAGE_UNITS: GLGetParameterName `{ return GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS; `}
+fun gl_MAX_VERTEX_TEXTURE_IMAGE_UNITS: GLGetParameterName `{ return GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS; `}
+fun gl_MAX_TEXTURE_IMAGE_UNITS: GLGetParameterName `{ return GL_MAX_TEXTURE_IMAGE_UNITS; `}
+fun gl_MAX_FRAGMENT_UNIFORM_VECTORS: GLGetParameterName `{ return GL_MAX_FRAGMENT_UNIFORM_VECTORS; `}
nitlanguage / nit.git / blobdiff