diff options
Diffstat (limited to 'src/mesa/main/image.c')
-rw-r--r-- | src/mesa/main/image.c | 369 |
1 files changed, 1 insertions, 368 deletions
diff --git a/src/mesa/main/image.c b/src/mesa/main/image.c index 5b70115db78..64176552c3f 100644 --- a/src/mesa/main/image.c +++ b/src/mesa/main/image.c @@ -32,6 +32,7 @@ #include "glheader.h" #include "colormac.h" +#include "glformats.h" #include "image.h" #include "imports.h" #include "macros.h" @@ -41,40 +42,6 @@ /** - * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise. - */ -GLboolean -_mesa_type_is_packed(GLenum type) -{ - switch (type) { - case GL_UNSIGNED_BYTE_3_3_2: - case GL_UNSIGNED_BYTE_2_3_3_REV: - case MESA_UNSIGNED_BYTE_4_4: - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - case GL_UNSIGNED_INT_8_8_8_8: - case GL_UNSIGNED_INT_8_8_8_8_REV: - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - case GL_UNSIGNED_SHORT_8_8_MESA: - case GL_UNSIGNED_SHORT_8_8_REV_MESA: - case GL_UNSIGNED_INT_24_8_EXT: - case GL_UNSIGNED_INT_5_9_9_9_REV: - case GL_UNSIGNED_INT_10F_11F_11F_REV: - case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: - return GL_TRUE; - } - - return GL_FALSE; -} - - - -/** * Flip the order of the 2 bytes in each word in the given array. * * \param p array. @@ -110,252 +77,6 @@ _mesa_swap4( GLuint *p, GLuint n ) /** - * Get the size of a GL data type. - * - * \param type GL data type. - * - * \return the size, in bytes, of the given data type, 0 if a GL_BITMAP, or -1 - * if an invalid type enum. - */ -GLint -_mesa_sizeof_type( GLenum type ) -{ - switch (type) { - case GL_BITMAP: - return 0; - case GL_UNSIGNED_BYTE: - return sizeof(GLubyte); - case GL_BYTE: - return sizeof(GLbyte); - case GL_UNSIGNED_SHORT: - return sizeof(GLushort); - case GL_SHORT: - return sizeof(GLshort); - case GL_UNSIGNED_INT: - return sizeof(GLuint); - case GL_INT: - return sizeof(GLint); - case GL_FLOAT: - return sizeof(GLfloat); - case GL_DOUBLE: - return sizeof(GLdouble); - case GL_HALF_FLOAT_ARB: - return sizeof(GLhalfARB); - case GL_FIXED: - return sizeof(GLfixed); - default: - return -1; - } -} - - -/** - * Same as _mesa_sizeof_type() but also accepting the packed pixel - * format data types. - */ -GLint -_mesa_sizeof_packed_type( GLenum type ) -{ - switch (type) { - case GL_BITMAP: - return 0; - case GL_UNSIGNED_BYTE: - return sizeof(GLubyte); - case GL_BYTE: - return sizeof(GLbyte); - case GL_UNSIGNED_SHORT: - return sizeof(GLushort); - case GL_SHORT: - return sizeof(GLshort); - case GL_UNSIGNED_INT: - return sizeof(GLuint); - case GL_INT: - return sizeof(GLint); - case GL_HALF_FLOAT_ARB: - return sizeof(GLhalfARB); - case GL_FLOAT: - return sizeof(GLfloat); - case GL_UNSIGNED_BYTE_3_3_2: - case GL_UNSIGNED_BYTE_2_3_3_REV: - case MESA_UNSIGNED_BYTE_4_4: - return sizeof(GLubyte); - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - case GL_UNSIGNED_SHORT_8_8_MESA: - case GL_UNSIGNED_SHORT_8_8_REV_MESA: - return sizeof(GLushort); - case GL_UNSIGNED_INT_8_8_8_8: - case GL_UNSIGNED_INT_8_8_8_8_REV: - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - case GL_UNSIGNED_INT_24_8_EXT: - case GL_UNSIGNED_INT_5_9_9_9_REV: - case GL_UNSIGNED_INT_10F_11F_11F_REV: - return sizeof(GLuint); - case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: - return 8; - default: - return -1; - } -} - - -/** - * Get the number of components in a pixel format. - * - * \param format pixel format. - * - * \return the number of components in the given format, or -1 if a bad format. - */ -GLint -_mesa_components_in_format( GLenum format ) -{ - switch (format) { - case GL_COLOR_INDEX: - case GL_STENCIL_INDEX: - case GL_DEPTH_COMPONENT: - case GL_RED: - case GL_RED_INTEGER_EXT: - case GL_GREEN: - case GL_GREEN_INTEGER_EXT: - case GL_BLUE: - case GL_BLUE_INTEGER_EXT: - case GL_ALPHA: - case GL_ALPHA_INTEGER_EXT: - case GL_LUMINANCE: - case GL_LUMINANCE_INTEGER_EXT: - case GL_INTENSITY: - return 1; - - case GL_LUMINANCE_ALPHA: - case GL_LUMINANCE_ALPHA_INTEGER_EXT: - case GL_RG: - case GL_YCBCR_MESA: - case GL_DEPTH_STENCIL_EXT: - case GL_DUDV_ATI: - case GL_DU8DV8_ATI: - case GL_RG_INTEGER: - return 2; - - case GL_RGB: - case GL_BGR: - case GL_RGB_INTEGER_EXT: - case GL_BGR_INTEGER_EXT: - return 3; - - case GL_RGBA: - case GL_BGRA: - case GL_ABGR_EXT: - case GL_RGBA_INTEGER_EXT: - case GL_BGRA_INTEGER_EXT: - return 4; - - default: - return -1; - } -} - - -/** - * Get the bytes per pixel of pixel format type pair. - * - * \param format pixel format. - * \param type pixel type. - * - * \return bytes per pixel, or -1 if a bad format or type was given. - */ -GLint -_mesa_bytes_per_pixel( GLenum format, GLenum type ) -{ - GLint comps = _mesa_components_in_format( format ); - if (comps < 0) - return -1; - - switch (type) { - case GL_BITMAP: - return 0; /* special case */ - case GL_BYTE: - case GL_UNSIGNED_BYTE: - return comps * sizeof(GLubyte); - case GL_SHORT: - case GL_UNSIGNED_SHORT: - return comps * sizeof(GLshort); - case GL_INT: - case GL_UNSIGNED_INT: - return comps * sizeof(GLint); - case GL_FLOAT: - return comps * sizeof(GLfloat); - case GL_HALF_FLOAT_ARB: - return comps * sizeof(GLhalfARB); - case GL_UNSIGNED_BYTE_3_3_2: - case GL_UNSIGNED_BYTE_2_3_3_REV: - if (format == GL_RGB || format == GL_BGR || - format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT) - return sizeof(GLubyte); - else - return -1; /* error */ - case GL_UNSIGNED_SHORT_5_6_5: - case GL_UNSIGNED_SHORT_5_6_5_REV: - if (format == GL_RGB || format == GL_BGR || - format == GL_RGB_INTEGER_EXT || format == GL_BGR_INTEGER_EXT) - return sizeof(GLushort); - else - return -1; /* error */ - case GL_UNSIGNED_SHORT_4_4_4_4: - case GL_UNSIGNED_SHORT_4_4_4_4_REV: - case GL_UNSIGNED_SHORT_5_5_5_1: - case GL_UNSIGNED_SHORT_1_5_5_5_REV: - if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || - format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) - return sizeof(GLushort); - else - return -1; - case GL_UNSIGNED_INT_8_8_8_8: - case GL_UNSIGNED_INT_8_8_8_8_REV: - case GL_UNSIGNED_INT_10_10_10_2: - case GL_UNSIGNED_INT_2_10_10_10_REV: - if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || - format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) - return sizeof(GLuint); - else - return -1; - case GL_UNSIGNED_SHORT_8_8_MESA: - case GL_UNSIGNED_SHORT_8_8_REV_MESA: - if (format == GL_YCBCR_MESA) - return sizeof(GLushort); - else - return -1; - case GL_UNSIGNED_INT_24_8_EXT: - if (format == GL_DEPTH_STENCIL_EXT) - return sizeof(GLuint); - else - return -1; - case GL_UNSIGNED_INT_5_9_9_9_REV: - if (format == GL_RGB) - return sizeof(GLuint); - else - return -1; - case GL_UNSIGNED_INT_10F_11F_11F_REV: - if (format == GL_RGB) - return sizeof(GLuint); - else - return -1; - case GL_FLOAT_32_UNSIGNED_INT_24_8_REV: - if (format == GL_DEPTH_STENCIL) - return 8; - else - return -1; - default: - return -1; - } -} - - -/** * Do error checking of format/type combinations for glReadPixels, * glDrawPixels and glTex[Sub]Image. Note that depending on the format * and type values, we may either generate GL_INVALID_OPERATION or @@ -722,94 +443,6 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, } - -/** - * Does the given base texture/renderbuffer format have the channel - * named by 'pname'? - */ -GLboolean -_mesa_base_format_has_channel(GLenum base_format, GLenum pname) -{ - switch (pname) { - case GL_TEXTURE_RED_SIZE: - case GL_TEXTURE_RED_TYPE: - case GL_RENDERBUFFER_RED_SIZE_EXT: - case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE: - if (base_format == GL_RED || - base_format == GL_RG || - base_format == GL_RGB || - base_format == GL_RGBA) { - return GL_TRUE; - } - return GL_FALSE; - case GL_TEXTURE_GREEN_SIZE: - case GL_TEXTURE_GREEN_TYPE: - case GL_RENDERBUFFER_GREEN_SIZE_EXT: - case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE: - if (base_format == GL_RG || - base_format == GL_RGB || - base_format == GL_RGBA) { - return GL_TRUE; - } - return GL_FALSE; - case GL_TEXTURE_BLUE_SIZE: - case GL_TEXTURE_BLUE_TYPE: - case GL_RENDERBUFFER_BLUE_SIZE_EXT: - case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE: - if (base_format == GL_RGB || - base_format == GL_RGBA) { - return GL_TRUE; - } - return GL_FALSE; - case GL_TEXTURE_ALPHA_SIZE: - case GL_TEXTURE_ALPHA_TYPE: - case GL_RENDERBUFFER_ALPHA_SIZE_EXT: - case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE: - if (base_format == GL_RGBA || - base_format == GL_ALPHA || - base_format == GL_LUMINANCE_ALPHA) { - return GL_TRUE; - } - return GL_FALSE; - case GL_TEXTURE_LUMINANCE_SIZE: - case GL_TEXTURE_LUMINANCE_TYPE: - if (base_format == GL_LUMINANCE || - base_format == GL_LUMINANCE_ALPHA) { - return GL_TRUE; - } - return GL_FALSE; - case GL_TEXTURE_INTENSITY_SIZE: - case GL_TEXTURE_INTENSITY_TYPE: - if (base_format == GL_INTENSITY) { - return GL_TRUE; - } - return GL_FALSE; - case GL_TEXTURE_DEPTH_SIZE: - case GL_TEXTURE_DEPTH_TYPE: - case GL_RENDERBUFFER_DEPTH_SIZE_EXT: - case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE: - if (base_format == GL_DEPTH_STENCIL || - base_format == GL_DEPTH_COMPONENT) { - return GL_TRUE; - } - return GL_FALSE; - case GL_RENDERBUFFER_STENCIL_SIZE_EXT: - case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE: - if (base_format == GL_DEPTH_STENCIL || - base_format == GL_STENCIL_INDEX) { - return GL_TRUE; - } - return GL_FALSE; - default: - _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n", - __FUNCTION__, pname); - return GL_FALSE; - } - - return GL_FALSE; -} - - /** * Return the byte offset of a specific pixel in an image (1D, 2D or 3D). * |