#define _glVertexAttribPointerARB_size(size, type, normalized, stride, count) _glArrayPointer_size(size, type, stride, count)
#define _glVertexAttribPointerNV_size(size, type, stride, count) _glArrayPointer_size(size, type, stride, count)
+/**
+ * Same as glGetIntegerv, but passing the result in the return value.
+ */
+static inline GLint
+_glGetInteger(GLenum pname) {
+ GLint param = 0;
+ _glGetIntegerv(pname, ¶m);
+ return param;
+}
+
+static inline GLint
+_element_array_buffer_binding(void) {
+ return _glGetInteger(GL_ELEMENT_ARRAY_BUFFER_BINDING);
+}
+
static inline GLuint
_glDrawArrays_count(GLint first, GLsizei count)
{
_glDrawElementsBaseVertex_count(GLsizei count, GLenum type, const GLvoid *indices, GLint basevertex)
{
GLvoid *temp = 0;
- GLint element_array_buffer = 0;
if (!count) {
return 0;
}
- _glGetIntegerv(GL_ELEMENT_ARRAY_BUFFER_BINDING, &element_array_buffer);
+ GLint element_array_buffer = _element_array_buffer_binding();
if (element_array_buffer) {
// Read indices from index buffer object
GLintptr offset = (GLintptr)indices;
return (x + (y - 1)) & ~(y - 1);
}
-static inline size_t
-_gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLboolean has_unpack_subimage) {
+static inline void
+_gl_format_size(GLenum format, GLenum type,
+ unsigned & bits_per_element, unsigned & bits_per_pixel)
+{
unsigned num_channels = _gl_format_channels(format);
- unsigned bits_per_element;
- unsigned bits_per_pixel;
switch (type) {
case GL_BITMAP:
bits_per_pixel = bits_per_element = 1;
bits_per_pixel = bits_per_element = 0;
break;
}
+}
+
+static inline size_t
+_glClearBufferData_size(GLenum format, GLenum type) {
+ unsigned bits_per_element;
+ unsigned bits_per_pixel;
+ _gl_format_size(format, type, bits_per_element, bits_per_pixel);
+ return (bits_per_pixel + 7)/8;
+}
+
+static inline size_t
+_gl_image_size(GLenum format, GLenum type, GLsizei width, GLsizei height, GLsizei depth, GLboolean has_unpack_subimage) {
+
+ unsigned bits_per_element;
+ unsigned bits_per_pixel;
+ _gl_format_size(format, type, bits_per_element, bits_per_pixel);
GLint alignment = 4;
GLint row_length = 0;