621 GLboolean r_flag, g_flag, b_flag, a_flag, l_flag;
628 r_flag = g_flag = b_flag = a_flag = l_flag =
GL_FALSE;
656 r_flag = g_flag = b_flag =
GL_TRUE;
660 r_flag = g_flag = b_flag =
GL_TRUE;
665 r_flag = g_flag = b_flag = a_flag =
GL_TRUE;
669 r_flag = g_flag = b_flag = a_flag =
GL_TRUE;
697 a =
ctx->Pack.Alignment;
698 if (
ctx->Pack.RowLength > 0)
700 l =
ctx->Pack.RowLength;
725 if (
ctx->Visual->RGBAflag)
731 GLfloat rscale = 1.0F *
ctx->Visual->InvRedScale;
732 GLfloat gscale = 1.0F *
ctx->Visual->InvGreenScale;
733 GLfloat bscale = 1.0F *
ctx->Visual->InvBlueScale;
734 GLfloat ascale = 1.0F *
ctx->Visual->InvAlphaScale;
754 if (
ctx->Pixel.MapColorFlag)
769 if (
ctx->Pixel.IndexShift != 0 ||
ctx->Pixel.IndexOffset != 0)
772 if (
ctx->Pixel.IndexShift < 0)
775 s = -
ctx->Pixel.IndexShift;
784 s =
ctx->Pixel.IndexShift;
904 if (
ctx->Pack.SwapBytes)
938 if (
ctx->Pack.SwapBytes)
972 if (
ctx->Pack.SwapBytes)
1006 if (
ctx->Pack.SwapBytes)
1036 *
dst++ = luminance[
i];
1040 if (
ctx->Pack.SwapBytes)
void gl_swap2(GLushort *p, GLuint n)
#define GL_UNSIGNED_SHORT
GLint GLint GLsizei width
static void scale_and_bias_rgba(GLcontext *ctx, GLint n, GLfloat red[], GLfloat green[], GLfloat blue[], GLfloat alpha[])
GLdouble GLdouble GLdouble r
GLint GLint GLint GLint GLint x
void gl_read_alpha_span(GLcontext *ctx, GLuint n, GLint x, GLint y, GLubyte alpha[])
GLint GLint GLsizei GLsizei GLsizei GLint GLenum format
#define CLAMP(f, min, max)
GLint gl_sizeof_type(GLenum type)
static int sum(int x_, int y_)
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint GLint GLint j
GLboolean GLboolean GLboolean b
#define FLOAT_TO_USHORT(X)
#define GL_LUMINANCE_ALPHA
static GLboolean scale_or_bias_rgba(GLcontext *ctx)
#define DEFARRAY(TYPE, NAME, SIZE)
GLint GLint GLsizei GLsizei height
void gl_error(GLcontext *ctx, GLenum error, const char *s)
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
#define FLOAT_TO_SHORT(X)
GLint GLint GLsizei GLsizei GLsizei GLint GLenum GLenum const GLvoid * pixels
void gl_swap4(GLuint *p, GLuint n)
GLint GLint GLint GLint GLint GLint y
static void map_rgba(GLcontext *ctx, GLint n, GLfloat red[], GLfloat green[], GLfloat blue[], GLfloat alpha[])
GLclampf GLclampf GLclampf alpha
GLuint GLuint GLsizei GLenum type
GLboolean GLboolean GLboolean GLboolean a
#define FLOAT_TO_UBYTE(X)