#include "formats.h"
#include "macros.h"
#include "glformats.h"
-
+#include "c11/threads.h"
+#include "util/hash_table.h"
/**
* Information about texture formats.
GLubyte DepthBits;
GLubyte StencilBits;
+ bool IsSRGBFormat;
+
/**
- * To describe compressed formats. If not compressed, Width=Height=1.
+ * To describe compressed formats. If not compressed, Width=Height=Depth=1.
*/
- GLubyte BlockWidth, BlockHeight;
+ GLubyte BlockWidth, BlockHeight, BlockDepth;
GLubyte BytesPerBlock;
uint8_t Swizzle[4];
mesa_array_format ArrayFormat;
};
-#include "format_info.c"
+#include "format_info.h"
static const struct gl_format_info *
_mesa_get_format_info(mesa_format format)
{
const struct gl_format_info *info = &format_info[format];
+ STATIC_ASSERT(ARRAY_SIZE(format_info) == MESA_FORMAT_COUNT);
assert(info->Name == format);
return info;
}
_mesa_get_format_bytes(mesa_format format)
{
const struct gl_format_info *info = _mesa_get_format_info(format);
- ASSERT(info->BytesPerBlock);
- ASSERT(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
+ assert(info->BytesPerBlock);
+ assert(info->BytesPerBlock <= MAX_PIXEL_BYTES ||
_mesa_is_format_compressed(format));
return info->BytesPerBlock;
}
case GL_TEXTURE_RED_SIZE:
case GL_RENDERBUFFER_RED_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ case GL_INTERNALFORMAT_RED_SIZE:
return info->RedBits;
case GL_GREEN_BITS:
case GL_TEXTURE_GREEN_SIZE:
case GL_RENDERBUFFER_GREEN_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ case GL_INTERNALFORMAT_GREEN_SIZE:
return info->GreenBits;
case GL_BLUE_BITS:
case GL_TEXTURE_BLUE_SIZE:
case GL_RENDERBUFFER_BLUE_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ case GL_INTERNALFORMAT_BLUE_SIZE:
return info->BlueBits;
case GL_ALPHA_BITS:
case GL_TEXTURE_ALPHA_SIZE:
case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ case GL_INTERNALFORMAT_ALPHA_SIZE:
return info->AlphaBits;
case GL_TEXTURE_INTENSITY_SIZE:
return info->IntensityBits;
case GL_TEXTURE_DEPTH_SIZE_ARB:
case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ case GL_INTERNALFORMAT_DEPTH_SIZE:
return info->DepthBits;
case GL_STENCIL_BITS:
case GL_TEXTURE_STENCIL_SIZE_EXT:
case GL_RENDERBUFFER_STENCIL_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_STENCIL_SIZE:
+ case GL_INTERNALFORMAT_STENCIL_SIZE:
return info->StencilBits;
default:
_mesa_problem(NULL, "bad pname in _mesa_get_format_bits()");
/**
* Return the layout type of the given format.
- * The return value will be one of:
- * MESA_FORMAT_LAYOUT_ARRAY
- * MESA_FORMAT_LAYOUT_PACKED
- * MESA_FORMAT_LAYOUT_OTHER
*/
extern enum mesa_format_layout
_mesa_get_format_layout(mesa_format format)
return info->DataType;
}
+static GLenum
+get_base_format_for_array_format(mesa_array_format format)
+{
+ uint8_t swizzle[4];
+ int num_channels;
+
+ _mesa_array_format_get_swizzle(format, swizzle);
+ num_channels = _mesa_array_format_get_num_channels(format);
+
+ switch (num_channels) {
+ case 4:
+ /* FIXME: RGBX formats have 4 channels, but their base format is GL_RGB.
+ * This is not really a problem for now because we only create array
+ * formats from GL format/type combinations, and these cannot specify
+ * RGBX formats.
+ */
+ return GL_RGBA;
+ case 3:
+ return GL_RGB;
+ case 2:
+ if (swizzle[0] == 0 &&
+ swizzle[1] == 0 &&
+ swizzle[2] == 0 &&
+ swizzle[3] == 1)
+ return GL_LUMINANCE_ALPHA;
+ if (swizzle[0] == 1 &&
+ swizzle[1] == 1 &&
+ swizzle[2] == 1 &&
+ swizzle[3] == 0)
+ return GL_LUMINANCE_ALPHA;
+ if (swizzle[0] == 0 &&
+ swizzle[1] == 1 &&
+ swizzle[2] == 4 &&
+ swizzle[3] == 5)
+ return GL_RG;
+ if (swizzle[0] == 1 &&
+ swizzle[1] == 0 &&
+ swizzle[2] == 4 &&
+ swizzle[3] == 5)
+ return GL_RG;
+ break;
+ case 1:
+ if (swizzle[0] == 0 &&
+ swizzle[1] == 0 &&
+ swizzle[2] == 0 &&
+ swizzle[3] == 5)
+ return GL_LUMINANCE;
+ if (swizzle[0] == 0 &&
+ swizzle[1] == 0 &&
+ swizzle[2] == 0 &&
+ swizzle[3] == 0)
+ return GL_INTENSITY;
+ if (swizzle[0] <= MESA_FORMAT_SWIZZLE_W)
+ return GL_RED;
+ if (swizzle[1] <= MESA_FORMAT_SWIZZLE_W)
+ return GL_GREEN;
+ if (swizzle[2] <= MESA_FORMAT_SWIZZLE_W)
+ return GL_BLUE;
+ if (swizzle[3] <= MESA_FORMAT_SWIZZLE_W)
+ return GL_ALPHA;
+ break;
+ }
+
+ unreachable("Unsupported format");
+}
/**
* Return the basic format for the given type. The result will be one of
* GL_RGB, GL_RGBA, GL_ALPHA, GL_LUMINANCE, GL_LUMINANCE_ALPHA, GL_INTENSITY,
* GL_YCBCR_MESA, GL_DEPTH_COMPONENT, GL_STENCIL_INDEX, GL_DEPTH_STENCIL.
+ * This functions accepts a mesa_format or a mesa_array_format.
*/
GLenum
-_mesa_get_format_base_format(mesa_format format)
+_mesa_get_format_base_format(uint32_t format)
{
- const struct gl_format_info *info = _mesa_get_format_info(format);
- return info->BaseFormat;
+ if (!_mesa_format_is_mesa_array_format(format)) {
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->BaseFormat;
+ } else {
+ return get_base_format_for_array_format(format);
+ }
}
_mesa_get_format_block_size(mesa_format format, GLuint *bw, GLuint *bh)
{
const struct gl_format_info *info = _mesa_get_format_info(format);
+ /* Use _mesa_get_format_block_size_3d() for 3D blocks. */
+ assert(info->BlockDepth == 1);
+
*bw = info->BlockWidth;
*bh = info->BlockHeight;
}
+/**
+ * Return the block size (in pixels) for the given format. Normally
+ * the block size is 1x1x1. But compressed formats will have block
+ * sizes of 4x4x4, 3x3x3 pixels, etc.
+ * \param bw returns block width in pixels
+ * \param bh returns block height in pixels
+ * \param bd returns block depth in pixels
+ */
+void
+_mesa_get_format_block_size_3d(mesa_format format,
+ GLuint *bw,
+ GLuint *bh,
+ GLuint *bd)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ *bw = info->BlockWidth;
+ *bh = info->BlockHeight;
+ *bd = info->BlockDepth;
+}
+
+
/**
* Returns the an array of four numbers representing the transformation
* from the RGBA or SZ colorspace to the given format. For array formats,
return format;
if (num_channels == 2) {
- _mesa_array_format_set_swizzle(&format, swizzle[1], swizzle[0],
- swizzle[2], swizzle[3]);
+ /* Assert that the swizzle makes sense for 2 channels */
+ for (unsigned i = 0; i < 4; i++)
+ assert(swizzle[i] != 2 && swizzle[i] != 3);
+
+ static const uint8_t flip_xy[6] = { 1, 0, 2, 3, 4, 5 };
+ _mesa_array_format_set_swizzle(&format,
+ flip_xy[swizzle[0]], flip_xy[swizzle[1]],
+ flip_xy[swizzle[2]], flip_xy[swizzle[3]]);
return format;
}
if (num_channels == 4) {
- _mesa_array_format_set_swizzle(&format, swizzle[3], swizzle[2],
- swizzle[1], swizzle[0]);
+ static const uint8_t flip[6] = { 3, 2, 1, 0, 4, 5 };
+ _mesa_array_format_set_swizzle(&format,
+ flip[swizzle[0]], flip[swizzle[1]],
+ flip[swizzle[2]], flip[swizzle[3]]);
return format;
}
_mesa_format_to_array_format(mesa_format format)
{
const struct gl_format_info *info = _mesa_get_format_info(format);
- if (_mesa_little_endian())
- return info->ArrayFormat;
- else
+ if (info->ArrayFormat && !_mesa_little_endian() &&
+ info->Layout == MESA_FORMAT_LAYOUT_PACKED)
return _mesa_array_format_flip_channels(info->ArrayFormat);
+ else
+ return info->ArrayFormat;
+}
+
+static struct hash_table *format_array_format_table;
+static once_flag format_array_format_table_exists = ONCE_FLAG_INIT;
+
+static bool
+array_formats_equal(const void *a, const void *b)
+{
+ return (intptr_t)a == (intptr_t)b;
+}
+
+static void
+format_array_format_table_init(void)
+{
+ const struct gl_format_info *info;
+ mesa_array_format array_format;
+ unsigned f;
+
+ format_array_format_table = _mesa_hash_table_create(NULL, NULL,
+ array_formats_equal);
+
+ if (!format_array_format_table) {
+ _mesa_error_no_memory(__func__);
+ return;
+ }
+
+ for (f = 1; f < MESA_FORMAT_COUNT; ++f) {
+ info = _mesa_get_format_info(f);
+ if (!info->ArrayFormat)
+ continue;
+
+ if (_mesa_little_endian()) {
+ array_format = info->ArrayFormat;
+ } else {
+ array_format = _mesa_array_format_flip_channels(info->ArrayFormat);
+ }
+
+ /* This can happen and does for some of the BGR formats. Let's take
+ * the first one in the list.
+ */
+ if (_mesa_hash_table_search_pre_hashed(format_array_format_table,
+ array_format,
+ (void *)(intptr_t)array_format))
+ continue;
+
+ _mesa_hash_table_insert_pre_hashed(format_array_format_table,
+ array_format,
+ (void *)(intptr_t)array_format,
+ (void *)(intptr_t)f);
+ }
}
mesa_format
_mesa_format_from_array_format(uint32_t array_format)
{
- mesa_array_format af;
- unsigned f;
+ struct hash_entry *entry;
assert(_mesa_format_is_mesa_array_format(array_format));
- if (_mesa_little_endian())
- af = array_format;
- else
- af = _mesa_array_format_flip_channels(array_format);
+ call_once(&format_array_format_table_exists, format_array_format_table_init);
- for (f = 1; f < MESA_FORMAT_COUNT; ++f)
- if (_mesa_get_format_info(f)->ArrayFormat == af)
- return f;
+ if (!format_array_format_table) {
+ static const once_flag once_flag_init = ONCE_FLAG_INIT;
+ format_array_format_table_exists = once_flag_init;
+ return MESA_FORMAT_NONE;
+ }
- return MESA_FORMAT_NONE;
+ entry = _mesa_hash_table_search_pre_hashed(format_array_format_table,
+ array_format,
+ (void *)(intptr_t)array_format);
+ if (entry)
+ return (intptr_t)entry->data;
+ else
+ return MESA_FORMAT_NONE;
}
/** Is the given format a compressed format? */
return (info->DataType == GL_INT || info->DataType == GL_UNSIGNED_INT);
}
+
+/**
+ * Return true if the given format is a color format.
+ */
+GLenum
+_mesa_is_format_color_format(mesa_format format)
+{
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ switch (info->BaseFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_STENCIL_INDEX:
+ case GL_DEPTH_STENCIL:
+ return false;
+ default:
+ return true;
+ }
+}
+
+
/**
* Return color encoding for given format.
* \return GL_LINEAR or GL_SRGB
GLenum
_mesa_get_format_color_encoding(mesa_format format)
{
- /* XXX this info should be encoded in gl_format_info */
- switch (format) {
- case MESA_FORMAT_BGR_SRGB8:
- case MESA_FORMAT_A8B8G8R8_SRGB:
- case MESA_FORMAT_B8G8R8A8_SRGB:
- case MESA_FORMAT_A8R8G8B8_SRGB:
- case MESA_FORMAT_R8G8B8A8_SRGB:
- case MESA_FORMAT_L_SRGB8:
- case MESA_FORMAT_L8A8_SRGB:
- case MESA_FORMAT_A8L8_SRGB:
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
- case MESA_FORMAT_R8G8B8X8_SRGB:
- case MESA_FORMAT_ETC2_SRGB8:
- case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
- case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
- case MESA_FORMAT_B8G8R8X8_SRGB:
- case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
- return GL_SRGB;
- default:
- return GL_LINEAR;
- }
+ const struct gl_format_info *info = _mesa_get_format_info(format);
+ return info->IsSRGBFormat ? GL_SRGB : GL_LINEAR;
}
case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
format = MESA_FORMAT_BPTC_RGBA_UNORM;
break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_4x4:
+ format = MESA_FORMAT_RGBA_ASTC_4x4;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x4:
+ format = MESA_FORMAT_RGBA_ASTC_5x4;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_5x5:
+ format = MESA_FORMAT_RGBA_ASTC_5x5;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x5:
+ format = MESA_FORMAT_RGBA_ASTC_6x5;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_6x6:
+ format = MESA_FORMAT_RGBA_ASTC_6x6;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x5:
+ format = MESA_FORMAT_RGBA_ASTC_8x5;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x6:
+ format = MESA_FORMAT_RGBA_ASTC_8x6;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_8x8:
+ format = MESA_FORMAT_RGBA_ASTC_8x8;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x5:
+ format = MESA_FORMAT_RGBA_ASTC_10x5;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x6:
+ format = MESA_FORMAT_RGBA_ASTC_10x6;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x8:
+ format = MESA_FORMAT_RGBA_ASTC_10x8;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_10x10:
+ format = MESA_FORMAT_RGBA_ASTC_10x10;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x10:
+ format = MESA_FORMAT_RGBA_ASTC_12x10;
+ break;
+ case MESA_FORMAT_SRGB8_ALPHA8_ASTC_12x12:
+ format = MESA_FORMAT_RGBA_ASTC_12x12;
+ break;
case MESA_FORMAT_B8G8R8X8_SRGB:
format = MESA_FORMAT_B8G8R8X8_UNORM;
break;
GLsizei height, GLsizei depth)
{
const struct gl_format_info *info = _mesa_get_format_info(format);
+ GLuint sz;
/* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ if (info->BlockWidth > 1 || info->BlockHeight > 1 || info->BlockDepth > 1) {
/* compressed format (2D only for now) */
- const GLuint bw = info->BlockWidth, bh = info->BlockHeight;
+ const GLuint bw = info->BlockWidth;
+ const GLuint bh = info->BlockHeight;
+ const GLuint bd = info->BlockDepth;
const GLuint wblocks = (width + bw - 1) / bw;
const GLuint hblocks = (height + bh - 1) / bh;
- const GLuint sz = wblocks * hblocks * info->BytesPerBlock;
- return sz * depth;
- }
- else {
+ const GLuint dblocks = (depth + bd - 1) / bd;
+ sz = wblocks * hblocks * dblocks * info->BytesPerBlock;
+ } else
/* non-compressed */
- const GLuint sz = width * height * depth * info->BytesPerBlock;
- return sz;
- }
+ sz = width * height * depth * info->BytesPerBlock;
+
+ return sz;
}
/**
* Same as _mesa_format_image_size() but returns a 64-bit value to
- * accomodate very large textures.
+ * accommodate very large textures.
*/
uint64_t
_mesa_format_image_size64(mesa_format format, GLsizei width,
GLsizei height, GLsizei depth)
{
const struct gl_format_info *info = _mesa_get_format_info(format);
+ uint64_t sz;
/* Strictly speaking, a conditional isn't needed here */
- if (info->BlockWidth > 1 || info->BlockHeight > 1) {
+ if (info->BlockWidth > 1 || info->BlockHeight > 1 || info->BlockDepth > 1) {
/* compressed format (2D only for now) */
- const uint64_t bw = info->BlockWidth, bh = info->BlockHeight;
+ const uint64_t bw = info->BlockWidth;
+ const uint64_t bh = info->BlockHeight;
+ const uint64_t bd = info->BlockDepth;
const uint64_t wblocks = (width + bw - 1) / bw;
const uint64_t hblocks = (height + bh - 1) / bh;
- const uint64_t sz = wblocks * hblocks * info->BytesPerBlock;
- return sz * depth;
- }
- else {
+ const uint64_t dblocks = (depth + bd - 1) / bd;
+ sz = wblocks * hblocks * dblocks * info->BytesPerBlock;
+ } else
/* non-compressed */
- const uint64_t sz = ((uint64_t) width *
- (uint64_t) height *
- (uint64_t) depth *
- info->BytesPerBlock);
- return sz;
- }
+ sz = ((uint64_t) width * (uint64_t) height *
+ (uint64_t) depth * info->BytesPerBlock);
+
+ return sz;
}
}
-/**
- * Debug/test: check that all formats are handled in the
- * _mesa_format_to_type_and_comps() function. When new pixel formats
- * are added to Mesa, that function needs to be updated.
- * This is a no-op after the first call.
- */
-static void
-check_format_to_type_and_comps(void)
-{
- mesa_format f;
-
- for (f = MESA_FORMAT_NONE + 1; f < MESA_FORMAT_COUNT; f++) {
- GLenum datatype = 0;
- GLuint comps = 0;
- /* This function will emit a problem/warning if the format is
- * not handled.
- */
- _mesa_format_to_type_and_comps(f, &datatype, &comps);
- }
-}
-
-/**
- * Do sanity checking of the format info table.
- */
-void
-_mesa_test_formats(void)
-{
- GLuint i;
-
- STATIC_ASSERT(Elements(format_info) == MESA_FORMAT_COUNT);
-
- for (i = 0; i < MESA_FORMAT_COUNT; i++) {
- const struct gl_format_info *info = _mesa_get_format_info(i);
- assert(info);
-
- assert(info->Name == i);
-
- if (info->Name == MESA_FORMAT_NONE)
- continue;
-
- if (info->BlockWidth == 1 && info->BlockHeight == 1) {
- if (info->RedBits > 0) {
- GLuint t = info->RedBits + info->GreenBits
- + info->BlueBits + info->AlphaBits;
- assert(t / 8 <= info->BytesPerBlock);
- (void) t;
- }
- }
-
- assert(info->DataType == GL_UNSIGNED_NORMALIZED ||
- info->DataType == GL_SIGNED_NORMALIZED ||
- info->DataType == GL_UNSIGNED_INT ||
- info->DataType == GL_INT ||
- info->DataType == GL_FLOAT ||
- /* Z32_FLOAT_X24S8 has DataType of GL_NONE */
- info->DataType == GL_NONE);
-
- if (info->BaseFormat == GL_RGB) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RGBA) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits > 0);
- assert(info->AlphaBits > 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RG) {
- assert(info->RedBits > 0);
- assert(info->GreenBits > 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_RED) {
- assert(info->RedBits > 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_LUMINANCE) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits > 0);
- assert(info->IntensityBits == 0);
- }
- else if (info->BaseFormat == GL_INTENSITY) {
- assert(info->RedBits == 0);
- assert(info->GreenBits == 0);
- assert(info->BlueBits == 0);
- assert(info->AlphaBits == 0);
- assert(info->LuminanceBits == 0);
- assert(info->IntensityBits > 0);
- }
- }
-
- check_format_to_type_and_comps();
-}
-
-
/**
- * Return datatype and number of components per texel for the given mesa_format.
- * Only used for mipmap generation code.
+ * Return datatype and number of components per texel for the given
+ * uncompressed mesa_format. Only used for mipmap generation code.
*/
void
-_mesa_format_to_type_and_comps(mesa_format format,
+_mesa_uncompressed_format_to_type_and_comps(mesa_format format,
GLenum *datatype, GLuint *comps)
{
switch (format) {
case MESA_FORMAT_R8G8B8X8_UNORM:
case MESA_FORMAT_B8G8R8X8_UNORM:
case MESA_FORMAT_X8R8G8B8_UNORM:
+ case MESA_FORMAT_A8B8G8R8_UINT:
+ case MESA_FORMAT_R8G8B8A8_UINT:
+ case MESA_FORMAT_B8G8R8A8_UINT:
+ case MESA_FORMAT_A8R8G8B8_UINT:
*datatype = GL_UNSIGNED_BYTE;
*comps = 4;
return;
return;
case MESA_FORMAT_B5G6R5_UNORM:
case MESA_FORMAT_R5G6B5_UNORM:
+ case MESA_FORMAT_B5G6R5_UINT:
+ case MESA_FORMAT_R5G6B5_UINT:
*datatype = GL_UNSIGNED_SHORT_5_6_5;
*comps = 3;
return;
case MESA_FORMAT_B4G4R4A4_UNORM:
case MESA_FORMAT_A4R4G4B4_UNORM:
case MESA_FORMAT_B4G4R4X4_UNORM:
+ case MESA_FORMAT_B4G4R4A4_UINT:
+ case MESA_FORMAT_A4R4G4B4_UINT:
*datatype = GL_UNSIGNED_SHORT_4_4_4_4;
*comps = 4;
return;
case MESA_FORMAT_B5G5R5A1_UNORM:
case MESA_FORMAT_A1R5G5B5_UNORM:
case MESA_FORMAT_B5G5R5X1_UNORM:
+ case MESA_FORMAT_B5G5R5A1_UINT:
+ case MESA_FORMAT_A1R5G5B5_UINT:
*datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
*comps = 4;
return;
return;
case MESA_FORMAT_A1B5G5R5_UNORM:
+ case MESA_FORMAT_A1B5G5R5_UINT:
*datatype = GL_UNSIGNED_SHORT_5_5_5_1;
*comps = 4;
return;
*comps = 1;
return;
+ case MESA_FORMAT_R3G3B2_UNORM:
+ case MESA_FORMAT_R3G3B2_UINT:
+ *datatype = GL_UNSIGNED_BYTE_2_3_3_REV;
+ *comps = 3;
+ return;
+ case MESA_FORMAT_A4B4G4R4_UNORM:
+ case MESA_FORMAT_A4B4G4R4_UINT:
+ *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+ *comps = 4;
+ return;
+
+ case MESA_FORMAT_R4G4B4A4_UNORM:
+ case MESA_FORMAT_R4G4B4A4_UINT:
+ *datatype = GL_UNSIGNED_SHORT_4_4_4_4;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_R5G5B5A1_UNORM:
+ case MESA_FORMAT_R5G5B5A1_UINT:
+ *datatype = GL_UNSIGNED_SHORT_1_5_5_5_REV;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_A2B10G10R10_UNORM:
+ case MESA_FORMAT_A2B10G10R10_UINT:
+ *datatype = GL_UNSIGNED_INT_10_10_10_2;
+ *comps = 4;
+ return;
+ case MESA_FORMAT_A2R10G10B10_UNORM:
+ case MESA_FORMAT_A2R10G10B10_UINT:
+ *datatype = GL_UNSIGNED_INT_10_10_10_2;
+ *comps = 4;
+ return;
+
case MESA_FORMAT_B2G3R3_UNORM:
+ case MESA_FORMAT_B2G3R3_UINT:
*datatype = GL_UNSIGNED_BYTE_3_3_2;
*comps = 3;
return;
*comps = 2;
return;
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
- case MESA_FORMAT_R_RGTC1_UNORM:
- case MESA_FORMAT_R_RGTC1_SNORM:
- case MESA_FORMAT_RG_RGTC2_UNORM:
- case MESA_FORMAT_RG_RGTC2_SNORM:
- case MESA_FORMAT_L_LATC1_UNORM:
- case MESA_FORMAT_L_LATC1_SNORM:
- case MESA_FORMAT_LA_LATC2_UNORM:
- case MESA_FORMAT_LA_LATC2_SNORM:
- case MESA_FORMAT_ETC1_RGB8:
- case MESA_FORMAT_ETC2_RGB8:
- case MESA_FORMAT_ETC2_SRGB8:
- case MESA_FORMAT_ETC2_RGBA8_EAC:
- case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
- case MESA_FORMAT_ETC2_R11_EAC:
- case MESA_FORMAT_ETC2_RG11_EAC:
- case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
- case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
- case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
- case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
- case MESA_FORMAT_BPTC_RGBA_UNORM:
- case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
- case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
- case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
- /* XXX generate error instead? */
- *datatype = GL_UNSIGNED_BYTE;
- *comps = 0;
- return;
-
case MESA_FORMAT_RGBA_FLOAT32:
*datatype = GL_FLOAT;
*comps = 4;
return;
case MESA_FORMAT_B10G10R10X2_UNORM:
+ case MESA_FORMAT_R10G10B10X2_UNORM:
*datatype = GL_UNSIGNED_INT_2_10_10_10_REV;
*comps = 4;
return;
case MESA_FORMAT_COUNT:
assert(0);
return;
-
- case MESA_FORMAT_NONE:
- /* For debug builds, warn if any formats are not handled */
-#ifdef DEBUG
default:
-#endif
- _mesa_problem(NULL, "bad format %s in _mesa_format_to_type_and_comps",
+ /* Warn if any formats are not handled */
+ _mesa_problem(NULL, "bad format %s in _mesa_uncompressed_format_to_type_and_comps",
_mesa_get_format_name(format));
+ assert(format == MESA_FORMAT_NONE ||
+ _mesa_is_format_compressed(format));
*datatype = 0;
*comps = 1;
}
* \param format the user-specified image format
* \param type the user-specified image datatype
* \param swapBytes typically the current pixel pack/unpack byteswap state
+ * \param[out] error GL_NO_ERROR if format is an expected input.
+ * GL_INVALID_ENUM if format is an unexpected input.
* \return GL_TRUE if the formats match, GL_FALSE otherwise.
*/
GLboolean
_mesa_format_matches_format_and_type(mesa_format mesa_format,
GLenum format, GLenum type,
- GLboolean swapBytes)
+ GLboolean swapBytes, GLenum *error)
{
const GLboolean littleEndian = _mesa_little_endian();
+ if (error)
+ *error = GL_NO_ERROR;
/* Note: When reading a GL format/type combination, the format lists channel
* assignments from most significant channel in the type to least
* significant. A type with _REV indicates that the assignments are
* swapped, so they are listed from least significant to most significant.
*
+ * Compressed formats will fall through and return GL_FALSE.
+ *
* For sanity, please keep this switch statement ordered the same as the
* enums in formats.h.
*/
case MESA_FORMAT_B2G3R3_UNORM:
return format == GL_RGB && type == GL_UNSIGNED_BYTE_3_3_2;
+ case MESA_FORMAT_R3G3B2_UNORM:
+ return format == GL_RGB && type == GL_UNSIGNED_BYTE_2_3_3_REV;
+
+ case MESA_FORMAT_A4B4G4R4_UNORM:
+ if (format == GL_RGBA && type == GL_UNSIGNED_SHORT_4_4_4_4 && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_ABGR_EXT && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_ABGR_EXT && type == GL_UNSIGNED_SHORT_4_4_4_4 && swapBytes)
+ return GL_TRUE;
+
+ return GL_FALSE;
+
+ case MESA_FORMAT_R4G4B4A4_UNORM:
+ if (format == GL_ABGR_EXT && type == GL_UNSIGNED_SHORT_4_4_4_4 && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_ABGR_EXT && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA && type == GL_UNSIGNED_SHORT_4_4_4_4 && swapBytes)
+ return GL_TRUE;
+
+ return GL_FALSE;
+
+ case MESA_FORMAT_R5G5B5A1_UNORM:
+ return format == GL_RGBA && type == GL_UNSIGNED_SHORT_1_5_5_5_REV;
+
+ case MESA_FORMAT_A2B10G10R10_UNORM:
+ return format == GL_RGBA && type == GL_UNSIGNED_INT_10_10_10_2;
+
+ case MESA_FORMAT_A2B10G10R10_UINT:
+ return format == GL_RGBA_INTEGER_EXT && type == GL_UNSIGNED_INT_10_10_10_2;
+
+ case MESA_FORMAT_A2R10G10B10_UNORM:
+ return format == GL_BGRA && type == GL_UNSIGNED_INT_10_10_10_2;
+
+ case MESA_FORMAT_A2R10G10B10_UINT:
+ return format == GL_BGRA_INTEGER_EXT && type == GL_UNSIGNED_INT_10_10_10_2;
+
case MESA_FORMAT_A_UNORM8:
return format == GL_ALPHA && type == GL_UNSIGNED_BYTE;
case MESA_FORMAT_A_UNORM16:
case MESA_FORMAT_S_UINT8:
return format == GL_STENCIL_INDEX && type == GL_UNSIGNED_BYTE;
- case MESA_FORMAT_SRGB_DXT1:
- case MESA_FORMAT_SRGBA_DXT1:
- case MESA_FORMAT_SRGBA_DXT3:
- case MESA_FORMAT_SRGBA_DXT5:
- return GL_FALSE;
-
- case MESA_FORMAT_RGB_FXT1:
- case MESA_FORMAT_RGBA_FXT1:
- case MESA_FORMAT_RGB_DXT1:
- case MESA_FORMAT_RGBA_DXT1:
- case MESA_FORMAT_RGBA_DXT3:
- case MESA_FORMAT_RGBA_DXT5:
- return GL_FALSE;
-
- case MESA_FORMAT_BPTC_RGBA_UNORM:
- case MESA_FORMAT_BPTC_SRGB_ALPHA_UNORM:
- case MESA_FORMAT_BPTC_RGB_SIGNED_FLOAT:
- case MESA_FORMAT_BPTC_RGB_UNSIGNED_FLOAT:
- return GL_FALSE;
-
case MESA_FORMAT_RGBA_FLOAT32:
return format == GL_RGBA && type == GL_FLOAT && !swapBytes;
case MESA_FORMAT_RGBA_FLOAT16:
return format == GL_RGBA && type == GL_UNSIGNED_SHORT &&
!swapBytes;
- case MESA_FORMAT_R_RGTC1_UNORM:
- case MESA_FORMAT_R_RGTC1_SNORM:
- case MESA_FORMAT_RG_RGTC2_UNORM:
- case MESA_FORMAT_RG_RGTC2_SNORM:
- return GL_FALSE;
-
- case MESA_FORMAT_L_LATC1_UNORM:
- case MESA_FORMAT_L_LATC1_SNORM:
- case MESA_FORMAT_LA_LATC2_UNORM:
- case MESA_FORMAT_LA_LATC2_SNORM:
- return GL_FALSE;
-
- case MESA_FORMAT_ETC1_RGB8:
- case MESA_FORMAT_ETC2_RGB8:
- case MESA_FORMAT_ETC2_SRGB8:
- case MESA_FORMAT_ETC2_RGBA8_EAC:
- case MESA_FORMAT_ETC2_SRGB8_ALPHA8_EAC:
- case MESA_FORMAT_ETC2_R11_EAC:
- case MESA_FORMAT_ETC2_RG11_EAC:
- case MESA_FORMAT_ETC2_SIGNED_R11_EAC:
- case MESA_FORMAT_ETC2_SIGNED_RG11_EAC:
- case MESA_FORMAT_ETC2_RGB8_PUNCHTHROUGH_ALPHA1:
- case MESA_FORMAT_ETC2_SRGB8_PUNCHTHROUGH_ALPHA1:
- return GL_FALSE;
-
case MESA_FORMAT_A_SNORM8:
return format == GL_ALPHA && type == GL_BYTE;
case MESA_FORMAT_L_SNORM8:
type == GL_UNSIGNED_INT_2_10_10_10_REV &&
!swapBytes);
+ case MESA_FORMAT_B5G6R5_UINT:
+ return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT_5_6_5;
+
+ case MESA_FORMAT_R5G6B5_UINT:
+ return format == GL_RGB_INTEGER && type == GL_UNSIGNED_SHORT_5_6_5_REV;
+
+ case MESA_FORMAT_B2G3R3_UINT:
+ return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE_3_3_2;
+
+ case MESA_FORMAT_R3G3B2_UINT:
+ return format == GL_RGB_INTEGER && type == GL_UNSIGNED_BYTE_2_3_3_REV;
+
+ case MESA_FORMAT_A4B4G4R4_UINT:
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4 && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && swapBytes)
+ return GL_TRUE;
+ return GL_FALSE;
+
+ case MESA_FORMAT_R4G4B4A4_UINT:
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4_REV && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4 && swapBytes)
+ return GL_TRUE;
+
+ return GL_FALSE;
+
+ case MESA_FORMAT_B4G4R4A4_UINT:
+ return format == GL_BGRA_INTEGER && type == GL_UNSIGNED_SHORT_4_4_4_4_REV &&
+ !swapBytes;
+
+ case MESA_FORMAT_A4R4G4B4_UINT:
+ return GL_FALSE;
+
+ case MESA_FORMAT_A1B5G5R5_UINT:
+ return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
+ !swapBytes;
+
+ case MESA_FORMAT_B5G5R5A1_UINT:
+ return format == GL_BGRA_INTEGER && type == GL_UNSIGNED_SHORT_1_5_5_5_REV &&
+ !swapBytes;
+
+ case MESA_FORMAT_A1R5G5B5_UINT:
+ return format == GL_BGRA_INTEGER && type == GL_UNSIGNED_SHORT_5_5_5_1 &&
+ !swapBytes;
+
+ case MESA_FORMAT_R5G5B5A1_UINT:
+ return format == GL_RGBA_INTEGER && type == GL_UNSIGNED_SHORT_1_5_5_5_REV;
+
+ case MESA_FORMAT_A8B8G8R8_UINT:
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 && !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV && swapBytes)
+ return GL_TRUE;
+ return GL_FALSE;
+
+ case MESA_FORMAT_A8R8G8B8_UINT:
+ if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 &&
+ !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+ swapBytes)
+ return GL_TRUE;
+
+ return GL_FALSE;
+
+ case MESA_FORMAT_R8G8B8A8_UINT:
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+ !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_RGBA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
+ return GL_TRUE;
+
+ return GL_FALSE;
+
+ case MESA_FORMAT_B8G8R8A8_UINT:
+ if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8_REV &&
+ !swapBytes)
+ return GL_TRUE;
+
+ if (format == GL_BGRA_INTEGER && type == GL_UNSIGNED_INT_8_8_8_8 && swapBytes)
+ return GL_TRUE;
+
+ return GL_FALSE;
+
case MESA_FORMAT_R9G9B9E5_FLOAT:
return format == GL_RGB && type == GL_UNSIGNED_INT_5_9_9_9_REV &&
!swapBytes;
case MESA_FORMAT_RGBX_UINT8:
case MESA_FORMAT_RGBX_SINT8:
case MESA_FORMAT_B10G10R10X2_UNORM:
+ case MESA_FORMAT_R10G10B10X2_UNORM:
case MESA_FORMAT_RGBX_UNORM16:
case MESA_FORMAT_RGBX_SNORM16:
case MESA_FORMAT_RGBX_FLOAT16:
case MESA_FORMAT_B8G8R8X8_SRGB:
case MESA_FORMAT_X8R8G8B8_SRGB:
return GL_FALSE;
+ default:
+ assert(_mesa_is_format_compressed(mesa_format));
+ if (error)
+ *error = GL_INVALID_ENUM;
}
-
return GL_FALSE;
}