#include "context.h"
#include "glformats.h"
#include "formats.h"
+#include "texcompress.h"
#include "enums.h"
enum {
return IDX_RG;
default:
_mesa_problem(NULL, "Unexpected inFormat %s",
- _mesa_lookup_enum_by_nr(value));
+ _mesa_enum_to_string(value));
return 0;
}
}
#if 0
printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n",
- inFormat, _mesa_lookup_enum_by_nr(inFormat),
- outFormat, _mesa_lookup_enum_by_nr(outFormat),
+ inFormat, _mesa_enum_to_string(inFormat),
+ outFormat, _mesa_enum_to_string(outFormat),
map[0],
map[1],
map[2],
else
return -1;
case GL_UNSIGNED_INT_24_8_EXT:
- if (format == GL_DEPTH_STENCIL_EXT)
+ if (format == GL_DEPTH_COMPONENT ||
+ format == GL_DEPTH_STENCIL_EXT)
return sizeof(GLuint);
else
return -1;
case GL_FLOAT:
return comps * sizeof(GLfloat);
case GL_HALF_FLOAT_ARB:
+ case GL_HALF_FLOAT_OES:
return comps * sizeof(GLhalfARB);
case GL_DOUBLE:
return comps * sizeof(GLdouble);
return sizeof(GLuint);
else
return -1;
+ case GL_UNSIGNED_INT64_ARB:
+ return comps * 8;
default:
return -1;
}
}
}
+/**
+ * Test if the given format is an ASTC 2D format.
+ */
+static bool
+is_astc_2d_format(GLenum internalFormat)
+{
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/**
+ * Test if the given format is an ASTC 3D format.
+ */
+static bool
+is_astc_3d_format(GLenum internalFormat)
+{
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGBA_ASTC_3x3x3_OES:
+ case GL_COMPRESSED_RGBA_ASTC_4x3x3_OES:
+ case GL_COMPRESSED_RGBA_ASTC_4x4x3_OES:
+ case GL_COMPRESSED_RGBA_ASTC_4x4x4_OES:
+ case GL_COMPRESSED_RGBA_ASTC_5x4x4_OES:
+ case GL_COMPRESSED_RGBA_ASTC_5x5x4_OES:
+ case GL_COMPRESSED_RGBA_ASTC_5x5x5_OES:
+ case GL_COMPRESSED_RGBA_ASTC_6x5x5_OES:
+ case GL_COMPRESSED_RGBA_ASTC_6x6x5_OES:
+ case GL_COMPRESSED_RGBA_ASTC_6x6x6_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_3x3x3_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x3x3_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x3_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4x4_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4x4_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x4_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5x5_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5x5_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x5_OES:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6x6_OES:
+ return true;
+ default:
+ return false;
+ }
+}
+
+/**
+ * Test if the given format is an ASTC format.
+ */
+GLboolean
+_mesa_is_astc_format(GLenum internalFormat)
+{
+ return is_astc_2d_format(internalFormat) ||
+ is_astc_3d_format(internalFormat);
+}
+
+/**
+ * Test if the given format is an ETC2 format.
+ */
+GLboolean
+_mesa_is_etc2_format(GLenum internalFormat)
+{
+ switch (internalFormat) {
+ case GL_COMPRESSED_RGB8_ETC2:
+ case GL_COMPRESSED_SRGB8_ETC2:
+ case GL_COMPRESSED_RGBA8_ETC2_EAC:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+ case GL_COMPRESSED_R11_EAC:
+ case GL_COMPRESSED_RG11_EAC:
+ case GL_COMPRESSED_SIGNED_R11_EAC:
+ case GL_COMPRESSED_SIGNED_RG11_EAC:
+ case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ return true;
+ default:
+ return false;
+ }
+}
/**
* Test if the given format is an integer (non-normalized) format.
case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
+ case GL_COMPRESSED_RGBA_ASTC_4x4_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_5x4_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_5x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_6x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_6x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_8x8_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x5_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x6_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x8_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_10x10_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_12x10_KHR:
+ case GL_COMPRESSED_RGBA_ASTC_12x12_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+ case GL_ATC_RGB_AMD:
+ case GL_ATC_RGBA_EXPLICIT_ALPHA_AMD:
+ case GL_ATC_RGBA_INTERPOLATED_ALPHA_AMD:
/* generic integer formats */
case GL_RED_INTEGER_EXT:
case GL_GREEN_INTEGER_EXT:
GLboolean
_mesa_is_compressed_format(const struct gl_context *ctx, GLenum format)
{
+ mesa_format m_format = _mesa_glenum_to_compressed_format(format);
+
+ /* Some formats in this switch have an equivalent mesa_format_layout
+ * to the compressed formats in the layout switch below and thus
+ * must be handled first.
+ */
switch (format) {
- case GL_COMPRESSED_RGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT:
- /* Assume that the ANGLE flag will always be set if the EXT flag is set.
- */
- return ctx->Extensions.ANGLE_texture_compression_dxt;
case GL_RGB_S3TC:
case GL_RGB4_S3TC:
case GL_RGBA_S3TC:
case GL_RGBA4_S3TC:
- return _mesa_is_desktop_gl(ctx) &&
- ctx->Extensions.ANGLE_texture_compression_dxt;
- case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
- case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
- return _mesa_is_desktop_gl(ctx)
- && ctx->Extensions.EXT_texture_sRGB
- && ctx->Extensions.EXT_texture_compression_s3tc;
- case GL_COMPRESSED_RGB_FXT1_3DFX:
- case GL_COMPRESSED_RGBA_FXT1_3DFX:
- return _mesa_is_desktop_gl(ctx)
- && ctx->Extensions.TDFX_texture_compression_FXT1;
- case GL_COMPRESSED_RED_RGTC1:
- case GL_COMPRESSED_SIGNED_RED_RGTC1:
- case GL_COMPRESSED_RG_RGTC2:
- case GL_COMPRESSED_SIGNED_RG_RGTC2:
- return _mesa_is_desktop_gl(ctx)
- && ctx->Extensions.ARB_texture_compression_rgtc;
- case GL_COMPRESSED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_LATC1_EXT:
- case GL_COMPRESSED_LUMINANCE_ALPHA_LATC2_EXT:
- case GL_COMPRESSED_SIGNED_LUMINANCE_ALPHA_LATC2_EXT:
- return ctx->API == API_OPENGL_COMPAT
- && ctx->Extensions.EXT_texture_compression_latc;
+ return _mesa_has_S3_s3tc(ctx);
case GL_COMPRESSED_LUMINANCE_ALPHA_3DC_ATI:
- return ctx->API == API_OPENGL_COMPAT
- && ctx->Extensions.ATI_texture_compression_3dc;
- case GL_ETC1_RGB8_OES:
- return _mesa_is_gles(ctx)
- && ctx->Extensions.OES_compressed_ETC1_RGB8_texture;
- case GL_COMPRESSED_RGB8_ETC2:
- case GL_COMPRESSED_SRGB8_ETC2:
- case GL_COMPRESSED_RGBA8_ETC2_EAC:
- case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
- case GL_COMPRESSED_R11_EAC:
- case GL_COMPRESSED_RG11_EAC:
- case GL_COMPRESSED_SIGNED_R11_EAC:
- case GL_COMPRESSED_SIGNED_RG11_EAC:
- case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2:
- case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
- return _mesa_is_gles3(ctx) || ctx->Extensions.ARB_ES3_compatibility;
- case GL_COMPRESSED_RGBA_BPTC_UNORM:
- case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
- case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
- case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
- return _mesa_is_desktop_gl(ctx) &&
- ctx->Extensions.ARB_texture_compression_bptc;
+ return _mesa_has_ATI_texture_compression_3dc(ctx);
case GL_PALETTE4_RGB8_OES:
case GL_PALETTE4_RGBA8_OES:
case GL_PALETTE4_R5_G6_B5_OES:
case GL_PALETTE8_RGBA4_OES:
case GL_PALETTE8_RGB5_A1_OES:
return ctx->API == API_OPENGLES;
+ }
+
+ switch (_mesa_get_format_layout(m_format)) {
+ case MESA_FORMAT_LAYOUT_S3TC:
+ if (!_mesa_is_format_srgb(m_format)) {
+ return _mesa_has_EXT_texture_compression_s3tc(ctx);
+ } else {
+ return (_mesa_has_EXT_texture_sRGB(ctx) ||
+ _mesa_has_EXT_texture_compression_s3tc_srgb(ctx)) &&
+ _mesa_has_EXT_texture_compression_s3tc(ctx);
+ }
+ case MESA_FORMAT_LAYOUT_FXT1:
+ return _mesa_has_3DFX_texture_compression_FXT1(ctx);
+ case MESA_FORMAT_LAYOUT_RGTC:
+ return _mesa_has_ARB_texture_compression_rgtc(ctx) ||
+ _mesa_has_EXT_texture_compression_rgtc(ctx);
+ case MESA_FORMAT_LAYOUT_LATC:
+ return _mesa_has_EXT_texture_compression_latc(ctx);
+ case MESA_FORMAT_LAYOUT_ETC1:
+ return _mesa_has_OES_compressed_ETC1_RGB8_texture(ctx);
+ case MESA_FORMAT_LAYOUT_ETC2:
+ return _mesa_is_gles3(ctx) || _mesa_has_ARB_ES3_compatibility(ctx);
+ case MESA_FORMAT_LAYOUT_BPTC:
+ return _mesa_has_ARB_texture_compression_bptc(ctx) ||
+ _mesa_has_EXT_texture_compression_bptc(ctx);
+ case MESA_FORMAT_LAYOUT_ASTC:
+ return _mesa_has_KHR_texture_compression_astc_ldr(ctx);
+ case MESA_FORMAT_LAYOUT_ATC:
+ return _mesa_has_AMD_compressed_ATC_texture(ctx);
default:
return GL_FALSE;
}
}
+/**
+ * Test if the given format represents an sRGB format.
+ * \param format the GL format (can be an internal format)
+ * \return GL_TRUE if format is sRGB, GL_FALSE otherwise
+ */
+GLboolean
+_mesa_is_srgb_format(GLenum format)
+{
+ switch (format) {
+ case GL_SRGB:
+ case GL_SRGB8:
+ case GL_SRGB_ALPHA:
+ case GL_SRGB8_ALPHA8:
+ case GL_COMPRESSED_SRGB:
+ case GL_COMPRESSED_SRGB_ALPHA:
+ case GL_COMPRESSED_SRGB_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT1_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT3_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_S3TC_DXT5_EXT:
+ case GL_COMPRESSED_SRGB8_ETC2:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ETC2_EAC:
+ case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2:
+ case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_4x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x4_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_5x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_6x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_8x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x5_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x6_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x8_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_10x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x10_KHR:
+ case GL_COMPRESSED_SRGB8_ALPHA8_ASTC_12x12_KHR:
+ return GL_TRUE;
+ default:
+ break;
+ }
+
+ return GL_FALSE;
+}
+
+/**
+ * Convert various unpack formats to the corresponding base format.
+ */
+GLenum
+_mesa_unpack_format_to_base_format(GLenum format)
+{
+ switch(format) {
+ case GL_RED_INTEGER:
+ return GL_RED;
+ case GL_GREEN_INTEGER:
+ return GL_GREEN;
+ case GL_BLUE_INTEGER:
+ return GL_BLUE;
+ case GL_ALPHA_INTEGER:
+ return GL_ALPHA;
+ case GL_RG_INTEGER:
+ return GL_RG;
+ case GL_RGB_INTEGER:
+ return GL_RGB;
+ case GL_RGBA_INTEGER:
+ return GL_RGBA;
+ case GL_BGR_INTEGER:
+ return GL_BGR;
+ case GL_BGRA_INTEGER:
+ return GL_BGRA;
+ case GL_LUMINANCE_INTEGER_EXT:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA_INTEGER_EXT:
+ return GL_LUMINANCE_ALPHA;
+ case GL_RED:
+ case GL_GREEN:
+ case GL_BLUE:
+ case GL_RG:
+ case GL_RGB:
+ case GL_RGBA:
+ case GL_BGR:
+ case GL_BGRA:
+ case GL_ALPHA:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE_ALPHA:
+ default:
+ return format;
+ }
+}
/**
- * Convert various base formats to the cooresponding integer format.
+ * Convert various base formats to the corresponding integer format.
*/
GLenum
_mesa_base_format_to_integer_format(GLenum format)
case GL_TEXTURE_RED_TYPE:
case GL_RENDERBUFFER_RED_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_RED_SIZE:
+ case GL_INTERNALFORMAT_RED_SIZE:
+ case GL_INTERNALFORMAT_RED_TYPE:
if (base_format == GL_RED ||
base_format == GL_RG ||
base_format == GL_RGB ||
case GL_TEXTURE_GREEN_TYPE:
case GL_RENDERBUFFER_GREEN_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_GREEN_SIZE:
+ case GL_INTERNALFORMAT_GREEN_SIZE:
+ case GL_INTERNALFORMAT_GREEN_TYPE:
if (base_format == GL_RG ||
base_format == GL_RGB ||
base_format == GL_RGBA) {
case GL_TEXTURE_BLUE_TYPE:
case GL_RENDERBUFFER_BLUE_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_BLUE_SIZE:
+ case GL_INTERNALFORMAT_BLUE_SIZE:
+ case GL_INTERNALFORMAT_BLUE_TYPE:
if (base_format == GL_RGB ||
base_format == GL_RGBA) {
return GL_TRUE;
case GL_TEXTURE_ALPHA_TYPE:
case GL_RENDERBUFFER_ALPHA_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_ALPHA_SIZE:
+ case GL_INTERNALFORMAT_ALPHA_SIZE:
+ case GL_INTERNALFORMAT_ALPHA_TYPE:
if (base_format == GL_RGBA ||
base_format == GL_ALPHA ||
base_format == GL_LUMINANCE_ALPHA) {
case GL_TEXTURE_DEPTH_TYPE:
case GL_RENDERBUFFER_DEPTH_SIZE_EXT:
case GL_FRAMEBUFFER_ATTACHMENT_DEPTH_SIZE:
+ case GL_INTERNALFORMAT_DEPTH_SIZE:
+ case GL_INTERNALFORMAT_DEPTH_TYPE:
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:
+ case GL_INTERNALFORMAT_STENCIL_SIZE:
+ case GL_INTERNALFORMAT_STENCIL_TYPE:
if (base_format == GL_DEPTH_STENCIL ||
base_format == GL_STENCIL_INDEX) {
return GL_TRUE;
}
-/**
- * Returns the number of channels/components for a base format.
- */
-GLint
-_mesa_base_format_component_count(GLenum base_format)
-{
- switch (base_format) {
- case GL_RED:
- case GL_ALPHA:
- case GL_INTENSITY:
- case GL_DEPTH_COMPONENT:
- return 1;
- case GL_RG:
- case GL_LUMINANCE_ALPHA:
- case GL_DEPTH_STENCIL:
- return 2;
- case GL_RGB:
- return 3;
- case GL_RGBA:
- return 4;
- default:
- return -1;
- }
-}
-
-
/**
* If format is a generic compressed format, return the corresponding
* non-compressed format. For other formats, return the format as-is.
break; /* OK */
}
if (format == GL_RGB_INTEGER_EXT &&
- ctx->Extensions.ARB_texture_rgb10_a2ui) {
+ _mesa_has_texture_rgb10_a2ui(ctx)) {
break; /* OK */
}
return GL_INVALID_OPERATION;
break; /* OK */
}
if ((format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) &&
- ctx->Extensions.ARB_texture_rgb10_a2ui) {
+ _mesa_has_texture_rgb10_a2ui(ctx)) {
break; /* OK */
}
return GL_INVALID_OPERATION;
break; /* OK */
}
if ((format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) &&
- ctx->Extensions.ARB_texture_rgb10_a2ui) {
+ _mesa_has_texture_rgb10_a2ui(ctx)) {
break; /* OK */
}
if (type == GL_UNSIGNED_INT_2_10_10_10_REV && format == GL_RGB &&
return GL_INVALID_OPERATION;
case GL_UNSIGNED_INT_24_8:
+ /* Depth buffer OK to read in OpenGL ES (NV_read_depth). */
+ if (ctx->API == API_OPENGLES2 && format == GL_DEPTH_COMPONENT)
+ return GL_NO_ERROR;
+
if (format != GL_DEPTH_STENCIL) {
return GL_INVALID_OPERATION;
}
return GL_NO_ERROR;
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
- if (!ctx->Extensions.ARB_depth_buffer_float) {
+ if (!_mesa_has_float_depth_buffer(ctx)) {
return GL_INVALID_ENUM;
}
if (format != GL_DEPTH_STENCIL) {
return GL_NO_ERROR;
case GL_UNSIGNED_INT_10F_11F_11F_REV:
- if (!ctx->Extensions.EXT_packed_float) {
+ if (!_mesa_has_packed_float(ctx)) {
return GL_INVALID_ENUM;
}
if (format != GL_RGB) {
return GL_NO_ERROR;
case GL_RG:
case GL_RED:
- if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_texture_rg)
+ if (_mesa_has_rg_textures(ctx))
return GL_NO_ERROR;
+ /* fallthrough */
default:
return GL_INVALID_OPERATION;
}
}
case GL_RG:
- if (!ctx->Extensions.ARB_texture_rg)
- return GL_INVALID_ENUM;
+ if (!_mesa_has_rg_textures(ctx))
+ return GL_INVALID_ENUM;
switch (type) {
case GL_BYTE:
case GL_UNSIGNED_BYTE:
return (ctx->API == API_OPENGLES2)
? GL_NO_ERROR : GL_INVALID_ENUM;
case GL_UNSIGNED_INT_5_9_9_9_REV:
- return ctx->Extensions.EXT_texture_shared_exponent
+ return _mesa_has_texture_shared_exponent(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
case GL_UNSIGNED_INT_10F_11F_11F_REV:
- return ctx->Extensions.EXT_packed_float
+ return _mesa_has_packed_float(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
default:
return GL_INVALID_ENUM;
}
case GL_YCBCR_MESA:
- if (!ctx->Extensions.MESA_ycbcr_texture)
+ if (!_mesa_has_MESA_ycbcr_texture(ctx))
return GL_INVALID_ENUM;
if (type == GL_UNSIGNED_SHORT_8_8_MESA ||
type == GL_UNSIGNED_SHORT_8_8_REV_MESA)
case GL_DEPTH_STENCIL:
if (type == GL_UNSIGNED_INT_24_8)
return GL_NO_ERROR;
- else if (ctx->Extensions.ARB_depth_buffer_float &&
+ else if (_mesa_has_float_depth_buffer(ctx) &&
type == GL_FLOAT_32_UNSIGNED_INT_24_8_REV)
return GL_NO_ERROR;
else
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
- return (ctx->Version >= 30 ||
- ctx->Extensions.EXT_texture_integer)
+ return _mesa_has_integer_textures(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
default:
return GL_INVALID_ENUM;
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
- return (ctx->Version >= 30 ||
- ctx->Extensions.EXT_texture_integer)
+ return _mesa_has_integer_textures(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
case GL_UNSIGNED_BYTE_3_3_2:
case GL_UNSIGNED_BYTE_2_3_3_REV:
case GL_UNSIGNED_SHORT_5_6_5:
case GL_UNSIGNED_SHORT_5_6_5_REV:
- return ctx->Extensions.ARB_texture_rgb10_a2ui
+ return _mesa_has_texture_rgb10_a2ui(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
default:
return GL_INVALID_ENUM;
case GL_INT:
case GL_UNSIGNED_INT:
/* NOTE: no packed formats w/ BGR format */
- return (ctx->Version >= 30 ||
- ctx->Extensions.EXT_texture_integer)
+ return _mesa_has_integer_textures(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
default:
return GL_INVALID_ENUM;
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
- return (ctx->Version >= 30 ||
- ctx->Extensions.EXT_texture_integer)
+ return _mesa_has_integer_textures(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
case GL_UNSIGNED_SHORT_4_4_4_4:
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
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:
- return ctx->Extensions.ARB_texture_rgb10_a2ui
+ return _mesa_has_texture_rgb10_a2ui(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
default:
return GL_INVALID_ENUM;
case GL_UNSIGNED_SHORT:
case GL_INT:
case GL_UNSIGNED_INT:
- return ctx->Extensions.EXT_texture_integer
+ return _mesa_has_integer_textures(ctx)
? GL_NO_ERROR : GL_INVALID_ENUM;
default:
return GL_INVALID_ENUM;
* \return error code, or GL_NO_ERROR.
*/
GLenum
-_mesa_es_error_check_format_and_type(GLenum format, GLenum type,
+_mesa_es_error_check_format_and_type(const struct gl_context *ctx,
+ GLenum format, GLenum type,
unsigned dimensions)
{
GLboolean type_valid = GL_TRUE;
switch (format) {
+ case GL_RED:
+ case GL_RG:
+ if (!_mesa_has_rg_textures(ctx))
+ return GL_INVALID_VALUE;
+ /* fallthrough */
case GL_ALPHA:
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
|| type == GL_UNSIGNED_SHORT_5_5_5_1
|| type == GL_FLOAT
|| type == GL_HALF_FLOAT_OES
- || type == GL_UNSIGNED_INT_2_10_10_10_REV);
+ || (_mesa_has_texture_type_2_10_10_10_REV(ctx) &&
+ type == GL_UNSIGNED_INT_2_10_10_10_REV));
break;
case GL_DEPTH_COMPONENT:
return type_valid ? GL_NO_ERROR : GL_INVALID_OPERATION;
}
-
/**
- * Do error checking of format/type combinations for OpenGL ES 3
- * glTex[Sub]Image.
- * \return error code, or GL_NO_ERROR.
+ * Return the simple base format for a given internal texture format.
+ * For example, given GL_LUMINANCE12_ALPHA4, return GL_LUMINANCE_ALPHA.
+ *
+ * \param ctx GL context.
+ * \param internalFormat the internal texture format token or 1, 2, 3, or 4.
+ *
+ * \return the corresponding \u base internal format (GL_ALPHA, GL_LUMINANCE,
+ * GL_LUMANCE_ALPHA, GL_INTENSITY, GL_RGB, or GL_RGBA), or -1 if invalid enum.
+ *
+ * This is the format which is used during texture application (i.e. the
+ * texture format and env mode determine the arithmetic used.
*/
-GLenum
-_mesa_es3_error_check_format_and_type(const struct gl_context *ctx,
- GLenum format, GLenum type,
- GLenum internalFormat)
+GLint
+_mesa_base_tex_format(const struct gl_context *ctx, GLint internalFormat)
{
- switch (format) {
+ switch (internalFormat) {
+ case GL_ALPHA:
+ case GL_ALPHA4:
+ case GL_ALPHA8:
+ case GL_ALPHA12:
+ case GL_ALPHA16:
+ return (ctx->API != API_OPENGL_CORE) ? GL_ALPHA : -1;
+ case 1:
+ case GL_LUMINANCE:
+ case GL_LUMINANCE4:
+ case GL_LUMINANCE8:
+ case GL_LUMINANCE12:
+ case GL_LUMINANCE16:
+ return (ctx->API != API_OPENGL_CORE) ? GL_LUMINANCE : -1;
+ case 2:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE4_ALPHA4:
+ case GL_LUMINANCE6_ALPHA2:
+ case GL_LUMINANCE8_ALPHA8:
+ case GL_LUMINANCE12_ALPHA4:
+ case GL_LUMINANCE12_ALPHA12:
+ case GL_LUMINANCE16_ALPHA16:
+ return (ctx->API != API_OPENGL_CORE) ? GL_LUMINANCE_ALPHA : -1;
+ case GL_INTENSITY:
+ case GL_INTENSITY4:
+ case GL_INTENSITY8:
+ case GL_INTENSITY12:
+ case GL_INTENSITY16:
+ return (ctx->API != API_OPENGL_CORE) ? GL_INTENSITY : -1;
+ case 3:
+ return (ctx->API != API_OPENGL_CORE) ? GL_RGB : -1;
+ case GL_RGB:
+ case GL_R3_G3_B2:
+ case GL_RGB4:
+ case GL_RGB5:
+ case GL_RGB8:
+ case GL_RGB10:
+ case GL_RGB12:
+ case GL_RGB16:
+ return GL_RGB;
+ case 4:
+ return (ctx->API != API_OPENGL_CORE) ? GL_RGBA : -1;
case GL_RGBA:
- switch (type) {
- case GL_UNSIGNED_BYTE:
- switch (internalFormat) {
- case GL_RGBA:
- case GL_RGBA8:
- case GL_RGB5_A1:
- case GL_RGBA4:
- case GL_SRGB8_ALPHA8_EXT:
- break;
- default:
- return GL_INVALID_OPERATION;
- }
- break;
-
- case GL_BYTE:
- if (internalFormat != GL_RGBA8_SNORM)
- return GL_INVALID_OPERATION;
- break;
-
- case GL_UNSIGNED_SHORT_4_4_4_4:
- switch (internalFormat) {
- case GL_RGBA:
- case GL_RGBA4:
- break;
- default:
- return GL_INVALID_OPERATION;
- }
- break;
-
- case GL_UNSIGNED_SHORT_5_5_5_1:
- switch (internalFormat) {
- case GL_RGBA:
- case GL_RGB5_A1:
- break;
- default:
- return GL_INVALID_OPERATION;
- }
- break;
-
- case GL_UNSIGNED_INT_2_10_10_10_REV:
- switch (internalFormat) {
- case GL_RGBA: /* GL_EXT_texture_type_2_10_10_10_REV */
- case GL_RGB10_A2:
- case GL_RGB5_A1:
- break;
- default:
- return GL_INVALID_OPERATION;
- }
- break;
-
- case GL_HALF_FLOAT:
- if (internalFormat != GL_RGBA16F)
- return GL_INVALID_OPERATION;
- break;
+ case GL_RGBA2:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGBA12:
+ case GL_RGBA16:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
- case GL_FLOAT:
- switch (internalFormat) {
- case GL_RGBA16F:
- case GL_RGBA32F:
- break;
- case GL_RGBA:
- if (ctx->Extensions.OES_texture_float && internalFormat == format)
- break;
- default:
- return GL_INVALID_OPERATION;
- }
- break;
+ /* GL_BGRA can be an internal format *only* in OpenGL ES (1.x or 2.0).
+ */
+ if (_mesa_is_gles(ctx)) {
+ switch (internalFormat) {
+ case GL_BGRA:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+ }
- case GL_HALF_FLOAT_OES:
- if (ctx->Extensions.OES_texture_half_float && internalFormat == format)
- break;
+ if (_mesa_has_ARB_ES2_compatibility(ctx) ||
+ _mesa_has_OES_framebuffer_object(ctx) ||
+ ctx->API == API_OPENGLES2) {
+ switch (internalFormat) {
+ case GL_RGB565:
+ return GL_RGB;
default:
- return GL_INVALID_OPERATION;
+ ; /* fallthrough */
}
- break;
+ }
+
+ if (_mesa_has_ARB_depth_texture(ctx) || _mesa_has_OES_depth_texture(ctx) ||
+ ctx->API == API_OPENGL_CORE) {
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT:
+ case GL_DEPTH_COMPONENT16:
+ case GL_DEPTH_COMPONENT24:
+ case GL_DEPTH_COMPONENT32:
+ return GL_DEPTH_COMPONENT;
+ case GL_DEPTH_STENCIL:
+ case GL_DEPTH24_STENCIL8:
+ return GL_DEPTH_STENCIL;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_ARB_texture_stencil8(ctx) ||
+ _mesa_has_OES_texture_stencil8(ctx)) {
+ switch (internalFormat) {
+ case GL_STENCIL_INDEX:
+ case GL_STENCIL_INDEX1:
+ case GL_STENCIL_INDEX4:
+ case GL_STENCIL_INDEX8:
+ case GL_STENCIL_INDEX16:
+ return GL_STENCIL_INDEX;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ switch (internalFormat) {
+ case GL_COMPRESSED_ALPHA:
+ return GL_ALPHA;
+ case GL_COMPRESSED_LUMINANCE:
+ return GL_LUMINANCE;
+ case GL_COMPRESSED_LUMINANCE_ALPHA:
+ return GL_LUMINANCE_ALPHA;
+ case GL_COMPRESSED_INTENSITY:
+ return GL_INTENSITY;
+ case GL_COMPRESSED_RGB:
+ return GL_RGB;
+ case GL_COMPRESSED_RGBA:
+ return GL_RGBA;
+ default:
+ ; /* fallthrough */
+ }
+
+ if (_mesa_is_compressed_format(ctx, internalFormat)) {
+ GLenum base_compressed =
+ _mesa_gl_compressed_format_base_format(internalFormat);
+ if (base_compressed)
+ return base_compressed;
+ }
+
+ if ((_mesa_has_KHR_texture_compression_astc_ldr(ctx) &&
+ is_astc_2d_format(internalFormat)) ||
+ (_mesa_has_OES_texture_compression_astc(ctx) &&
+ is_astc_3d_format(internalFormat)))
+ return GL_RGBA;
+
+ if (_mesa_has_MESA_ycbcr_texture(ctx)) {
+ if (internalFormat == GL_YCBCR_MESA)
+ return GL_YCBCR_MESA;
+ }
+
+ if (_mesa_has_half_float_textures(ctx)) {
+ switch (internalFormat) {
+ case GL_ALPHA16F_ARB:
+ return GL_ALPHA;
+ case GL_RGBA16F_ARB:
+ return GL_RGBA;
+ case GL_RGB16F_ARB:
+ return GL_RGB;
+ case GL_INTENSITY16F_ARB:
+ return GL_INTENSITY;
+ case GL_LUMINANCE16F_ARB:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA16F_ARB:
+ return GL_LUMINANCE_ALPHA;
+ }
+ }
+
+ if (_mesa_has_float_textures(ctx)) {
+ switch (internalFormat) {
+ case GL_ALPHA32F_ARB:
+ return GL_ALPHA;
+ case GL_RGBA32F_ARB:
+ return GL_RGBA;
+ case GL_RGB32F_ARB:
+ return GL_RGB;
+ case GL_INTENSITY32F_ARB:
+ return GL_INTENSITY;
+ case GL_LUMINANCE32F_ARB:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA32F_ARB:
+ return GL_LUMINANCE_ALPHA;
+ }
+ }
+
+ if (_mesa_has_EXT_texture_snorm(ctx) || _mesa_is_gles3(ctx)) {
+ switch (internalFormat) {
+ case GL_RED_SNORM:
+ case GL_R8_SNORM:
+ case GL_R16_SNORM:
+ return GL_RED;
+ case GL_RG_SNORM:
+ case GL_RG8_SNORM:
+ case GL_RG16_SNORM:
+ return GL_RG;
+ case GL_RGB_SNORM:
+ case GL_RGB8_SNORM:
+ case GL_RGB16_SNORM:
+ return GL_RGB;
+ case GL_RGBA_SNORM:
+ case GL_RGBA8_SNORM:
+ case GL_RGBA16_SNORM:
+ return GL_RGBA;
+ case GL_ALPHA_SNORM:
+ case GL_ALPHA8_SNORM:
+ case GL_ALPHA16_SNORM:
+ return GL_ALPHA;
+ case GL_LUMINANCE_SNORM:
+ case GL_LUMINANCE8_SNORM:
+ case GL_LUMINANCE16_SNORM:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA_SNORM:
+ case GL_LUMINANCE8_ALPHA8_SNORM:
+ case GL_LUMINANCE16_ALPHA16_SNORM:
+ return GL_LUMINANCE_ALPHA;
+ case GL_INTENSITY_SNORM:
+ case GL_INTENSITY8_SNORM:
+ case GL_INTENSITY16_SNORM:
+ return GL_INTENSITY;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_EXT_texture_sRGB(ctx) || _mesa_is_gles3(ctx)) {
+ switch (internalFormat) {
+ case GL_SRGB_EXT:
+ case GL_SRGB8_EXT:
+ case GL_COMPRESSED_SRGB_EXT:
+ return GL_RGB;
+ case GL_SRGB_ALPHA_EXT:
+ case GL_SRGB8_ALPHA8_EXT:
+ case GL_COMPRESSED_SRGB_ALPHA_EXT:
+ return GL_RGBA;
+ case GL_SLUMINANCE_ALPHA_EXT:
+ case GL_SLUMINANCE8_ALPHA8_EXT:
+ case GL_COMPRESSED_SLUMINANCE_ALPHA_EXT:
+ return GL_LUMINANCE_ALPHA;
+ case GL_SLUMINANCE_EXT:
+ case GL_SLUMINANCE8_EXT:
+ case GL_COMPRESSED_SLUMINANCE_EXT:
+ return GL_LUMINANCE;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_EXT_texture_sRGB_R8(ctx)) {
+ switch (internalFormat) {
+ case GL_SR8_EXT:
+ return GL_RED;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_integer_textures(ctx)) {
+ switch (internalFormat) {
+ case GL_RGBA8UI_EXT:
+ case GL_RGBA16UI_EXT:
+ case GL_RGBA32UI_EXT:
+ case GL_RGBA8I_EXT:
+ case GL_RGBA16I_EXT:
+ case GL_RGBA32I_EXT:
+ return GL_RGBA;
+ case GL_RGB8UI_EXT:
+ case GL_RGB16UI_EXT:
+ case GL_RGB32UI_EXT:
+ case GL_RGB8I_EXT:
+ case GL_RGB16I_EXT:
+ case GL_RGB32I_EXT:
+ return GL_RGB;
+ }
+ }
+
+ if (_mesa_has_texture_rgb10_a2ui(ctx)) {
+ switch (internalFormat) {
+ case GL_RGB10_A2UI:
+ return GL_RGBA;
+ }
+ }
+
+ if (_mesa_has_integer_textures(ctx)) {
+ switch (internalFormat) {
+ case GL_ALPHA8UI_EXT:
+ case GL_ALPHA16UI_EXT:
+ case GL_ALPHA32UI_EXT:
+ case GL_ALPHA8I_EXT:
+ case GL_ALPHA16I_EXT:
+ case GL_ALPHA32I_EXT:
+ return GL_ALPHA;
+ case GL_INTENSITY8UI_EXT:
+ case GL_INTENSITY16UI_EXT:
+ case GL_INTENSITY32UI_EXT:
+ case GL_INTENSITY8I_EXT:
+ case GL_INTENSITY16I_EXT:
+ case GL_INTENSITY32I_EXT:
+ return GL_INTENSITY;
+ case GL_LUMINANCE8UI_EXT:
+ case GL_LUMINANCE16UI_EXT:
+ case GL_LUMINANCE32UI_EXT:
+ case GL_LUMINANCE8I_EXT:
+ case GL_LUMINANCE16I_EXT:
+ case GL_LUMINANCE32I_EXT:
+ return GL_LUMINANCE;
+ case GL_LUMINANCE_ALPHA8UI_EXT:
+ case GL_LUMINANCE_ALPHA16UI_EXT:
+ case GL_LUMINANCE_ALPHA32UI_EXT:
+ case GL_LUMINANCE_ALPHA8I_EXT:
+ case GL_LUMINANCE_ALPHA16I_EXT:
+ case GL_LUMINANCE_ALPHA32I_EXT:
+ return GL_LUMINANCE_ALPHA;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_rg_textures(ctx)) {
+ switch (internalFormat) {
+ case GL_R16F:
+ if (!_mesa_has_half_float_textures(ctx))
+ break;
+ return GL_RED;
+ case GL_R32F:
+ if (!_mesa_has_float_textures(ctx))
+ break;
+ return GL_RED;
+ case GL_R8I:
+ case GL_R8UI:
+ case GL_R16I:
+ case GL_R16UI:
+ case GL_R32I:
+ case GL_R32UI:
+ if (!_mesa_has_integer_textures(ctx))
+ break;
+ /* FALLTHROUGH */
+ case GL_R8:
+ case GL_R16:
+ case GL_RED:
+ case GL_COMPRESSED_RED:
+ return GL_RED;
+
+ case GL_RG16F:
+ if (!_mesa_has_half_float_textures(ctx))
+ break;
+ return GL_RG;
+ case GL_RG32F:
+ if (!_mesa_has_float_textures(ctx))
+ break;
+ return GL_RG;
+ case GL_RG8I:
+ case GL_RG8UI:
+ case GL_RG16I:
+ case GL_RG16UI:
+ case GL_RG32I:
+ case GL_RG32UI:
+ if (!_mesa_has_integer_textures(ctx))
+ break;
+ /* FALLTHROUGH */
+ case GL_RG:
+ case GL_RG8:
+ case GL_RG16:
+ case GL_COMPRESSED_RG:
+ return GL_RG;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_texture_shared_exponent(ctx)) {
+ switch (internalFormat) {
+ case GL_RGB9_E5_EXT:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_packed_float(ctx)) {
+ switch (internalFormat) {
+ case GL_R11F_G11F_B10F_EXT:
+ return GL_RGB;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ if (_mesa_has_float_depth_buffer(ctx)) {
+ switch (internalFormat) {
+ case GL_DEPTH_COMPONENT32F:
+ return GL_DEPTH_COMPONENT;
+ case GL_DEPTH32F_STENCIL8:
+ return GL_DEPTH_STENCIL;
+ default:
+ ; /* fallthrough */
+ }
+ }
+
+ return -1; /* error */
+}
+
+/**
+ * Returns the effective internal format from a texture format and type.
+ * This is used by texture image operations internally for validation, when
+ * the specified internal format is a base (unsized) format.
+ *
+ * This method will only return a valid effective internal format if the
+ * combination of format, type and internal format in base form, is acceptable.
+ *
+ * If a single sized internal format is defined in the spec (OpenGL-ES 3.0.4) or
+ * in extensions, to unambiguously correspond to the given base format, then
+ * that internal format is returned as the effective. Otherwise, if the
+ * combination is accepted but a single effective format is not defined, the
+ * passed base format will be returned instead.
+ *
+ * \param format the texture format
+ * \param type the texture type
+ */
+static GLenum
+gles_effective_internal_format_for_format_and_type(GLenum format,
+ GLenum type)
+{
+ switch (type) {
+ case GL_UNSIGNED_BYTE:
+ switch (format) {
+ case GL_RGBA:
+ return GL_RGBA8;
+ case GL_RGB:
+ return GL_RGB8;
+ case GL_RG:
+ return GL_RG8;
+ case GL_RED:
+ return GL_R8;
+ /* Although LUMINANCE_ALPHA, LUMINANCE and ALPHA appear in table 3.12,
+ * (section 3.8 Texturing, page 128 of the OpenGL-ES 3.0.4) as effective
+ * internal formats, they do not correspond to GL constants, so the base
+ * format is returned instead.
+ */
+ case GL_BGRA_EXT:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE:
+ case GL_ALPHA:
+ return format;
+ }
+ break;
+
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ if (format == GL_RGBA)
+ return GL_RGBA4;
+ break;
+
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ if (format == GL_RGBA)
+ return GL_RGB5_A1;
+ break;
+
+ case GL_UNSIGNED_SHORT_5_6_5:
+ if (format == GL_RGB)
+ return GL_RGB565;
+ break;
+
+ /* OES_packed_depth_stencil */
+ case GL_UNSIGNED_INT_24_8:
+ if (format == GL_DEPTH_STENCIL)
+ return GL_DEPTH24_STENCIL8;
+ break;
+
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ if (format == GL_DEPTH_STENCIL)
+ return GL_DEPTH32F_STENCIL8;
+ break;
+
+ case GL_UNSIGNED_SHORT:
+ if (format == GL_DEPTH_COMPONENT)
+ return GL_DEPTH_COMPONENT16;
+ break;
+
+ case GL_UNSIGNED_INT:
+ /* It can be DEPTH_COMPONENT16 or DEPTH_COMPONENT24, so just return
+ * the format.
+ */
+ if (format == GL_DEPTH_COMPONENT)
+ return format;
+ break;
+
+ /* OES_texture_float and OES_texture_half_float */
+ case GL_FLOAT:
+ if (format == GL_DEPTH_COMPONENT)
+ return GL_DEPTH_COMPONENT32F;
+ /* fall through */
+ case GL_HALF_FLOAT_OES:
+ switch (format) {
+ case GL_RGBA:
+ case GL_RGB:
+ case GL_LUMINANCE_ALPHA:
+ case GL_LUMINANCE:
+ case GL_ALPHA:
+ case GL_RED:
+ case GL_RG:
+ return format;
+ }
+ break;
+ case GL_HALF_FLOAT:
+ switch (format) {
+ case GL_RG:
+ case GL_RED:
+ return format;
+ }
+ break;
+
+ /* GL_EXT_texture_type_2_10_10_10_REV */
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ switch (format) {
+ case GL_RGBA:
+ case GL_RGB:
+ return format;
+ }
+ break;
+
+ default:
+ /* fall through and return NONE */
+ break;
+ }
+
+ return GL_NONE;
+}
+
+/**
+ * Do error checking of format/type combinations for OpenGL ES 3
+ * glTex[Sub]Image, or ES1/ES2 with GL_OES_required_internalformat.
+ * \return error code, or GL_NO_ERROR.
+ */
+GLenum
+_mesa_gles_error_check_format_and_type(const struct gl_context *ctx,
+ GLenum format, GLenum type,
+ GLenum internalFormat)
+{
+ /* If internalFormat is an unsized format, then the effective internal
+ * format derived from format and type should be used instead. Page 127,
+ * section "3.8 Texturing" of the GLES 3.0.4 spec states:
+ *
+ * "if internalformat is a base internal format, the effective
+ * internal format is a sized internal format that is derived
+ * from the format and type for internal use by the GL.
+ * Table 3.12 specifies the mapping of format and type to effective
+ * internal formats. The effective internal format is used by the GL
+ * for purposes such as texture completeness or type checks for
+ * CopyTex* commands. In these cases, the GL is required to operate
+ * as if the effective internal format was used as the internalformat
+ * when specifying the texture data."
+ */
+ if (_mesa_is_enum_format_unsized(internalFormat)) {
+ GLenum effectiveInternalFormat =
+ gles_effective_internal_format_for_format_and_type(format, type);
+
+ if (effectiveInternalFormat == GL_NONE)
+ return GL_INVALID_OPERATION;
+
+ GLenum baseInternalFormat;
+ if (internalFormat == GL_BGRA_EXT) {
+ /* Unfortunately, _mesa_base_tex_format returns a base format of
+ * GL_RGBA for GL_BGRA_EXT. This makes perfect sense if you're
+ * asking the question, "what channels does this format have?"
+ * However, if we're trying to determine if two internal formats
+ * match in the ES3 sense, we actually want GL_BGRA.
+ */
+ baseInternalFormat = GL_BGRA_EXT;
+ } else {
+ baseInternalFormat =
+ _mesa_base_tex_format(ctx, effectiveInternalFormat);
+ }
+
+ if (internalFormat != baseInternalFormat)
+ return GL_INVALID_OPERATION;
+
+ internalFormat = effectiveInternalFormat;
+ }
+
+ /* The GLES variant of EXT_texture_compression_s3tc is very vague and
+ * doesn't list valid types. Just do exactly what the spec says.
+ */
+ if (_mesa_has_EXT_texture_compression_s3tc(ctx) &&
+ (internalFormat == GL_COMPRESSED_RGB_S3TC_DXT1_EXT ||
+ internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT1_EXT ||
+ internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT3_EXT ||
+ internalFormat == GL_COMPRESSED_RGBA_S3TC_DXT5_EXT))
+ return format == GL_RGB || format == GL_RGBA ? GL_NO_ERROR :
+ GL_INVALID_OPERATION;
+
+ switch (format) {
+ case GL_BGRA_EXT:
+ if (type != GL_UNSIGNED_BYTE || internalFormat != GL_BGRA)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_RGBA:
+ switch (type) {
+ case GL_UNSIGNED_BYTE:
+ switch (internalFormat) {
+ case GL_RGBA:
+ case GL_RGBA8:
+ case GL_RGB5_A1:
+ case GL_RGBA4:
+ break;
+ case GL_SRGB8_ALPHA8_EXT:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
+ break;
+ case GL_COMPRESSED_RGBA_BPTC_UNORM:
+ case GL_COMPRESSED_SRGB_ALPHA_BPTC_UNORM:
+ if (!_mesa_has_EXT_texture_compression_bptc(ctx))
+ return GL_INVALID_OPERATION;
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
+ case GL_BYTE:
+ if (ctx->Version <= 20 || internalFormat != GL_RGBA8_SNORM)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_UNSIGNED_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) || internalFormat != GL_RGBA16)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) ||
+ internalFormat != GL_RGBA16_SNORM)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_UNSIGNED_SHORT_4_4_4_4:
+ switch (internalFormat) {
+ case GL_RGBA:
+ case GL_RGBA4:
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
+ case GL_UNSIGNED_SHORT_5_5_5_1:
+ switch (internalFormat) {
+ case GL_RGBA:
+ case GL_RGB5_A1:
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
+ case GL_UNSIGNED_INT_2_10_10_10_REV:
+ switch (internalFormat) {
+ case GL_RGBA:
+ case GL_RGB10_A2:
+ case GL_RGB5_A1:
+ if (!_mesa_has_texture_type_2_10_10_10_REV(ctx))
+ return GL_INVALID_OPERATION;
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
+ case GL_HALF_FLOAT:
+ if (ctx->Version <= 20 || internalFormat != GL_RGBA16F)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_FLOAT:
+ switch (internalFormat) {
+ case GL_RGBA16F:
+ case GL_RGBA32F:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
+ break;
+ case GL_RGBA:
+ if (!_mesa_has_OES_texture_float(ctx) || internalFormat != format)
+ return GL_INVALID_OPERATION;
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
+ case GL_HALF_FLOAT_OES:
+ if (!_mesa_has_OES_texture_half_float(ctx) || internalFormat != format)
+ return GL_INVALID_OPERATION;
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
case GL_RGBA_INTEGER:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
switch (type) {
case GL_UNSIGNED_BYTE:
if (internalFormat != GL_RGBA8UI)
case GL_RGB:
case GL_RGB8:
case GL_RGB565:
+ break;
case GL_SRGB8:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
break;
default:
return GL_INVALID_OPERATION;
break;
case GL_BYTE:
- if (internalFormat != GL_RGB8_SNORM)
+ if (ctx->Version <= 20 || internalFormat != GL_RGB8_SNORM)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_UNSIGNED_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) || internalFormat != GL_RGB16)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) ||
+ internalFormat != GL_RGB16_SNORM)
return GL_INVALID_OPERATION;
break;
break;
case GL_UNSIGNED_INT_10F_11F_11F_REV:
- if (internalFormat != GL_R11F_G11F_B10F)
+ if (ctx->Version <= 20 || internalFormat != GL_R11F_G11F_B10F)
return GL_INVALID_OPERATION;
break;
case GL_UNSIGNED_INT_5_9_9_9_REV:
- if (internalFormat != GL_RGB9_E5)
+ if (ctx->Version <= 20 || internalFormat != GL_RGB9_E5)
return GL_INVALID_OPERATION;
break;
case GL_HALF_FLOAT:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
switch (internalFormat) {
case GL_RGB16F:
case GL_R11F_G11F_B10F:
case GL_RGB32F:
case GL_R11F_G11F_B10F:
case GL_RGB9_E5:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
+ break;
+ case GL_COMPRESSED_RGB_BPTC_SIGNED_FLOAT:
+ case GL_COMPRESSED_RGB_BPTC_UNSIGNED_FLOAT:
+ if (!_mesa_has_EXT_texture_compression_bptc(ctx))
+ return GL_INVALID_OPERATION;
break;
case GL_RGB:
- if (ctx->Extensions.OES_texture_float && internalFormat == format)
- break;
+ if (!_mesa_has_OES_texture_float(ctx) || internalFormat != format)
+ return GL_INVALID_OPERATION;
+ break;
default:
return GL_INVALID_OPERATION;
}
break;
case GL_HALF_FLOAT_OES:
- if (!ctx->Extensions.OES_texture_half_float || internalFormat != format)
+ if (!_mesa_has_OES_texture_half_float(ctx) || internalFormat != format)
return GL_INVALID_OPERATION;
break;
case GL_UNSIGNED_INT_2_10_10_10_REV:
switch (internalFormat) {
- case GL_RGB: /* GL_EXT_texture_type_2_10_10_10_REV */
+ case GL_RGB:
+ case GL_RGB10:
+ case GL_RGB8:
+ case GL_RGB565:
+ /* GL_EXT_texture_type_2_10_10_10_REV allows GL_RGB even though
+ * GLES3 doesn't, and GL_OES_required_internalformat extends that
+ * to allow the sized RGB internalformats as well.
+ */
+ if (!_mesa_has_texture_type_2_10_10_10_REV(ctx))
+ return GL_INVALID_OPERATION;
break;
default:
return GL_INVALID_OPERATION;
break;
case GL_RGB_INTEGER:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
switch (type) {
case GL_UNSIGNED_BYTE:
if (internalFormat != GL_RGB8UI)
break;
case GL_RG:
+ if (!_mesa_has_rg_textures(ctx))
+ return GL_INVALID_OPERATION;
switch (type) {
case GL_UNSIGNED_BYTE:
- if (internalFormat != GL_RG8)
+ if (internalFormat != GL_RG8 &&
+ (!_mesa_has_EXT_texture_compression_rgtc(ctx) ||
+ internalFormat != GL_COMPRESSED_RED_GREEN_RGTC2_EXT))
return GL_INVALID_OPERATION;
break;
case GL_BYTE:
- if (internalFormat != GL_RG8_SNORM)
+ if (internalFormat != GL_RG8_SNORM &&
+ (!_mesa_has_EXT_texture_compression_rgtc(ctx) ||
+ internalFormat != GL_COMPRESSED_SIGNED_RED_GREEN_RGTC2_EXT))
return GL_INVALID_OPERATION;
break;
- case GL_HALF_FLOAT:
- if (internalFormat != GL_RG16F)
+ case GL_UNSIGNED_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) || internalFormat != GL_RG16)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) ||
+ internalFormat != GL_RG16_SNORM)
return GL_INVALID_OPERATION;
break;
+ case GL_HALF_FLOAT:
+ case GL_HALF_FLOAT_OES:
+ switch (internalFormat) {
+ case GL_RG16F:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
+ break;
+ case GL_RG:
+ if (!_mesa_has_rg_textures(ctx) ||
+ !_mesa_has_OES_texture_half_float(ctx))
+ return GL_INVALID_OPERATION;
+ break;
+ default:
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
case GL_FLOAT:
switch (internalFormat) {
case GL_RG16F:
case GL_RG32F:
break;
+ case GL_RG:
+ if (!_mesa_has_rg_textures(ctx) ||
+ !_mesa_has_OES_texture_float(ctx))
+ return GL_INVALID_OPERATION;
+ break;
default:
return GL_INVALID_OPERATION;
}
break;
case GL_RG_INTEGER:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
switch (type) {
case GL_UNSIGNED_BYTE:
if (internalFormat != GL_RG8UI)
break;
case GL_RED:
+ if (!_mesa_has_rg_textures(ctx))
+ return GL_INVALID_OPERATION;
switch (type) {
case GL_UNSIGNED_BYTE:
- if (internalFormat != GL_R8)
+ if (internalFormat == GL_R8 ||
+ ((internalFormat == GL_SR8_EXT) &&
+ _mesa_has_EXT_texture_sRGB_R8(ctx)) ||
+ (internalFormat == GL_COMPRESSED_RED_RGTC1_EXT &&
+ _mesa_has_EXT_texture_compression_rgtc(ctx)))
+ break;
+ return GL_INVALID_OPERATION;
+
+ case GL_BYTE:
+ if (internalFormat != GL_R8_SNORM &&
+ (!_mesa_has_EXT_texture_compression_rgtc(ctx) ||
+ internalFormat != GL_COMPRESSED_SIGNED_RED_RGTC1_EXT))
return GL_INVALID_OPERATION;
break;
- case GL_BYTE:
- if (internalFormat != GL_R8_SNORM)
+ case GL_UNSIGNED_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) || internalFormat != GL_R16)
+ return GL_INVALID_OPERATION;
+ break;
+
+ case GL_SHORT:
+ if (!_mesa_has_EXT_texture_norm16(ctx) ||
+ internalFormat != GL_R16_SNORM)
return GL_INVALID_OPERATION;
break;
case GL_HALF_FLOAT:
- if (internalFormat != GL_R16F)
+ case GL_HALF_FLOAT_OES:
+ switch (internalFormat) {
+ case GL_R16F:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
+ break;
+ case GL_RG:
+ case GL_RED:
+ if (!_mesa_has_rg_textures(ctx) ||
+ !_mesa_has_OES_texture_half_float(ctx))
+ return GL_INVALID_OPERATION;
+ break;
+ default:
return GL_INVALID_OPERATION;
+ }
break;
case GL_FLOAT:
case GL_R16F:
case GL_R32F:
break;
+ case GL_RED:
+ if (!_mesa_has_rg_textures(ctx) ||
+ !_mesa_has_OES_texture_float(ctx))
+ return GL_INVALID_OPERATION;
+ break;
default:
return GL_INVALID_OPERATION;
}
break;
case GL_RED_INTEGER:
+ if (ctx->Version <= 20)
+ return GL_INVALID_OPERATION;
switch (type) {
case GL_UNSIGNED_BYTE:
if (internalFormat != GL_R8UI)
break;
case GL_FLOAT:
- if (internalFormat != GL_DEPTH_COMPONENT32F)
+ if (ctx->Version <= 20 || internalFormat != GL_DEPTH_COMPONENT32F)
return GL_INVALID_OPERATION;
break;
break;
case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
- if (internalFormat != GL_DEPTH32F_STENCIL8)
+ if (ctx->Version <= 20 || internalFormat != GL_DEPTH32F_STENCIL8)
return GL_INVALID_OPERATION;
break;
}
break;
+ case GL_STENCIL_INDEX:
+ if (!_mesa_has_OES_texture_stencil8(ctx) ||
+ type != GL_UNSIGNED_BYTE ||
+ internalFormat != GL_STENCIL_INDEX8) {
+ return GL_INVALID_OPERATION;
+ }
+ break;
+
case GL_ALPHA:
case GL_LUMINANCE:
case GL_LUMINANCE_ALPHA:
switch (type) {
case GL_FLOAT:
- if (ctx->Extensions.OES_texture_float && internalFormat == format)
- break;
+ if (!_mesa_has_OES_texture_float(ctx) || internalFormat != format)
+ return GL_INVALID_OPERATION;
+ break;
case GL_HALF_FLOAT_OES:
- if (ctx->Extensions.OES_texture_half_float && internalFormat == format)
- break;
- default:
- if (type != GL_UNSIGNED_BYTE || format != internalFormat)
+ if (!_mesa_has_OES_texture_half_float(ctx) || internalFormat != format)
+ return GL_INVALID_OPERATION;
+ break;
+ case GL_UNSIGNED_BYTE:
+ if (!(format == internalFormat ||
+ (format == GL_ALPHA && internalFormat == GL_ALPHA8) ||
+ (format == GL_LUMINANCE && internalFormat == GL_LUMINANCE8) ||
+ (format == GL_LUMINANCE_ALPHA &&
+ ((internalFormat == GL_LUMINANCE8_ALPHA8) ||
+ (internalFormat == GL_LUMINANCE4_ALPHA4))))) {
return GL_INVALID_OPERATION;
+ }
+ break;
+ default:
+ return GL_INVALID_OPERATION;
}
+ break;
}
return GL_NO_ERROR;
case GL_INTENSITY:
set_swizzle(swizzle, 0, 0, 0, 0);
return true;
+ case GL_DEPTH_COMPONENT:
+ set_swizzle(swizzle, 0, 6, 6, 6);
+ return true;
+ case GL_STENCIL_INDEX:
+ set_swizzle(swizzle, 6, 0, 6, 6);
+ return true;
+ default:
+ return false;
+ }
+}
+
+bool
+_mesa_swap_bytes_in_type_enum(GLenum *type)
+{
+ switch (*type) {
+ case GL_UNSIGNED_INT_8_8_8_8:
+ *type = GL_UNSIGNED_INT_8_8_8_8_REV;
+ return true;
+ case GL_UNSIGNED_INT_8_8_8_8_REV:
+ *type = GL_UNSIGNED_INT_8_8_8_8;
+ return true;
+ case GL_UNSIGNED_SHORT_8_8_MESA:
+ *type = GL_UNSIGNED_SHORT_8_8_REV_MESA;
+ return true;
+ case GL_UNSIGNED_SHORT_8_8_REV_MESA:
+ *type = GL_UNSIGNED_SHORT_8_8_MESA;
+ return true;
+ case GL_BYTE:
+ case GL_UNSIGNED_BYTE:
+ /* format/types that are arrays of 8-bit values are unaffected by
+ * swapBytes.
+ */
+ return true;
default:
+ /* swapping bytes on 4444, 1555, or >8 bit per channel types etc. will
+ * never match a Mesa format.
+ */
return false;
}
}
uint32_t
_mesa_format_from_format_and_type(GLenum format, GLenum type)
{
- mesa_array_format array_format;
-
bool is_array_format = true;
uint8_t swizzle[4];
bool normalized = false, is_float = false, is_signed = false;
int num_channels = 0, type_size = 0;
+ if (format == GL_COLOR_INDEX)
+ return MESA_FORMAT_NONE;
+
/* Extract array format type information from the OpenGL data type */
switch (type) {
case GL_UNSIGNED_BYTE:
* create the array format
*/
if (is_array_format) {
- normalized = !_mesa_is_enum_format_integer(format);
- num_channels = _mesa_components_in_format(format);
-
- array_format =
- MESA_ARRAY_FORMAT(type_size, is_signed, is_float,
- normalized, num_channels,
- swizzle[0], swizzle[1], swizzle[2], swizzle[3]);
+ enum mesa_array_format_base_format bf;
+ switch (format) {
+ case GL_DEPTH_COMPONENT:
+ bf = MESA_ARRAY_FORMAT_BASE_FORMAT_DEPTH;
+ break;
+ case GL_STENCIL_INDEX:
+ bf = MESA_ARRAY_FORMAT_BASE_FORMAT_STENCIL;
+ break;
+ default:
+ bf = MESA_ARRAY_FORMAT_BASE_FORMAT_RGBA_VARIANTS;
+ break;
+ }
- if (!_mesa_little_endian())
- array_format = _mesa_array_format_flip_channels(array_format);
+ normalized = !(_mesa_is_enum_format_integer(format) ||
+ format == GL_STENCIL_INDEX);
+ num_channels = _mesa_components_in_format(format);
- return array_format;
+ return MESA_ARRAY_FORMAT(bf, type_size, is_signed, is_float,
+ normalized, num_channels,
+ swizzle[0], swizzle[1], swizzle[2], swizzle[3]);
}
/* Otherwise this is not an array format, so return the mesa_format
return MESA_FORMAT_B5G6R5_UNORM;
else if (format == GL_BGR)
return MESA_FORMAT_R5G6B5_UNORM;
+ else if (format == GL_RGB_INTEGER)
+ return MESA_FORMAT_B5G6R5_UINT;
break;
case GL_UNSIGNED_SHORT_5_6_5_REV:
if (format == GL_RGB)
return MESA_FORMAT_R5G6B5_UNORM;
else if (format == GL_BGR)
return MESA_FORMAT_B5G6R5_UNORM;
+ else if (format == GL_RGB_INTEGER)
+ return MESA_FORMAT_R5G6B5_UINT;
break;
case GL_UNSIGNED_SHORT_4_4_4_4:
if (format == GL_RGBA)
return MESA_FORMAT_A4R4G4B4_UNORM;
else if (format == GL_ABGR_EXT)
return MESA_FORMAT_R4G4B4A4_UNORM;
+ else if (format == GL_RGBA_INTEGER)
+ return MESA_FORMAT_A4B4G4R4_UINT;
+ else if (format == GL_BGRA_INTEGER)
+ return MESA_FORMAT_A4R4G4B4_UINT;
break;
case GL_UNSIGNED_SHORT_4_4_4_4_REV:
if (format == GL_RGBA)
return MESA_FORMAT_B4G4R4A4_UNORM;
else if (format == GL_ABGR_EXT)
return MESA_FORMAT_A4B4G4R4_UNORM;
+ else if (format == GL_RGBA_INTEGER)
+ return MESA_FORMAT_R4G4B4A4_UINT;
+ else if (format == GL_BGRA_INTEGER)
+ return MESA_FORMAT_B4G4R4A4_UINT;
break;
case GL_UNSIGNED_SHORT_5_5_5_1:
if (format == GL_RGBA)
return MESA_FORMAT_A1B5G5R5_UNORM;
else if (format == GL_BGRA)
return MESA_FORMAT_A1R5G5B5_UNORM;
+ else if (format == GL_RGBA_INTEGER)
+ return MESA_FORMAT_A1B5G5R5_UINT;
+ else if (format == GL_BGRA_INTEGER)
+ return MESA_FORMAT_A1R5G5B5_UINT;
break;
case GL_UNSIGNED_SHORT_1_5_5_5_REV:
if (format == GL_RGBA)
return MESA_FORMAT_R5G5B5A1_UNORM;
else if (format == GL_BGRA)
return MESA_FORMAT_B5G5R5A1_UNORM;
+ else if (format == GL_RGBA_INTEGER)
+ return MESA_FORMAT_R5G5B5A1_UINT;
+ else if (format == GL_BGRA_INTEGER)
+ return MESA_FORMAT_B5G5R5A1_UINT;
break;
case GL_UNSIGNED_BYTE_3_3_2:
if (format == GL_RGB)
return MESA_FORMAT_B2G3R3_UNORM;
+ else if (format == GL_RGB_INTEGER)
+ return MESA_FORMAT_B2G3R3_UINT;
break;
case GL_UNSIGNED_BYTE_2_3_3_REV:
if (format == GL_RGB)
return MESA_FORMAT_R3G3B2_UNORM;
+ else if (format == GL_RGB_INTEGER)
+ return MESA_FORMAT_R3G3B2_UINT;
break;
case GL_UNSIGNED_INT_5_9_9_9_REV:
if (format == GL_RGB)
return MESA_FORMAT_A8R8G8B8_UNORM;
else if (format == GL_ABGR_EXT)
return MESA_FORMAT_R8G8B8A8_UNORM;
+ else if (format == GL_RGBA_INTEGER)
+ return MESA_FORMAT_A8B8G8R8_UINT;
+ else if (format == GL_BGRA_INTEGER)
+ return MESA_FORMAT_A8R8G8B8_UINT;
break;
case GL_UNSIGNED_INT_8_8_8_8_REV:
if (format == GL_RGBA)
return MESA_FORMAT_B8G8R8A8_UNORM;
else if (format == GL_ABGR_EXT)
return MESA_FORMAT_A8B8G8R8_UNORM;
+ else if (format == GL_RGBA_INTEGER)
+ return MESA_FORMAT_R8G8B8A8_UINT;
+ else if (format == GL_BGRA_INTEGER)
+ return MESA_FORMAT_B8G8R8A8_UINT;
break;
case GL_UNSIGNED_SHORT_8_8_MESA:
if (format == GL_YCBCR_MESA)
case GL_UNSIGNED_INT_10F_11F_11F_REV:
if (format == GL_RGB)
return MESA_FORMAT_R11G11B10_FLOAT;
+ break;
+ case GL_FLOAT:
+ if (format == GL_DEPTH_COMPONENT)
+ return MESA_FORMAT_Z_FLOAT32;
+ break;
+ case GL_UNSIGNED_INT:
+ if (format == GL_DEPTH_COMPONENT)
+ return MESA_FORMAT_Z_UNORM32;
+ break;
+ case GL_UNSIGNED_SHORT:
+ if (format == GL_DEPTH_COMPONENT)
+ return MESA_FORMAT_Z_UNORM16;
+ break;
+ case GL_UNSIGNED_INT_24_8:
+ if (format == GL_DEPTH_STENCIL)
+ return MESA_FORMAT_S8_UINT_Z24_UNORM;
+ else if (format == GL_DEPTH_COMPONENT)
+ return MESA_FORMAT_X8_UINT_Z24_UNORM;
+ break;
+ case GL_FLOAT_32_UNSIGNED_INT_24_8_REV:
+ if (format == GL_DEPTH_STENCIL)
+ return MESA_FORMAT_Z32_FLOAT_S8X24_UINT;
+ break;
default:
break;
}
+ fprintf(stderr, "Unsupported format/type: %s/%s\n",
+ _mesa_enum_to_string(format),
+ _mesa_enum_to_string(type));
+
/* If we got here it means that we could not find a Mesa format that
* matches the GL format/type provided. We may need to add a new Mesa
* format in that case.
*/
unreachable("Unsupported format");
}
+
+uint32_t
+_mesa_tex_format_from_format_and_type(const struct gl_context *ctx,
+ GLenum gl_format, GLenum type)
+{
+ mesa_format format = _mesa_format_from_format_and_type(gl_format, type);
+
+ if (_mesa_format_is_mesa_array_format(format))
+ format = _mesa_format_from_array_format(format);
+
+ if (format == MESA_FORMAT_NONE || !ctx->TextureFormatSupported[format])
+ return MESA_FORMAT_NONE;
+
+ return format;
+}
+
+/**
+ * Returns true if \p internal_format is a sized internal format that
+ * is marked "Color Renderable" in Table 8.10 of the ES 3.2 specification.
+ */
+bool
+_mesa_is_es3_color_renderable(const struct gl_context *ctx,
+ GLenum internal_format)
+{
+ switch (internal_format) {
+ case GL_R8:
+ case GL_RG8:
+ case GL_RGB8:
+ case GL_RGB565:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGB10_A2:
+ case GL_RGB10_A2UI:
+ case GL_SRGB8_ALPHA8:
+ case GL_R16F:
+ case GL_RG16F:
+ case GL_RGBA16F:
+ case GL_R32F:
+ case GL_RG32F:
+ case GL_RGBA32F:
+ case GL_R11F_G11F_B10F:
+ case GL_R8I:
+ case GL_R8UI:
+ case GL_R16I:
+ case GL_R16UI:
+ case GL_R32I:
+ case GL_R32UI:
+ case GL_RG8I:
+ case GL_RG8UI:
+ case GL_RG16I:
+ case GL_RG16UI:
+ case GL_RG32I:
+ case GL_RG32UI:
+ case GL_RGBA8I:
+ case GL_RGBA8UI:
+ case GL_RGBA16I:
+ case GL_RGBA16UI:
+ case GL_RGBA32I:
+ case GL_RGBA32UI:
+ return true;
+ case GL_R16:
+ case GL_RG16:
+ case GL_RGBA16:
+ return _mesa_has_EXT_texture_norm16(ctx);
+ case GL_R8_SNORM:
+ case GL_RG8_SNORM:
+ case GL_RGBA8_SNORM:
+ return _mesa_has_EXT_render_snorm(ctx);
+ case GL_R16_SNORM:
+ case GL_RG16_SNORM:
+ case GL_RGBA16_SNORM:
+ return _mesa_has_EXT_texture_norm16(ctx) &&
+ _mesa_has_EXT_render_snorm(ctx);
+ default:
+ return false;
+ }
+}
+
+/**
+ * Returns true if \p internal_format is a sized internal format that
+ * is marked "Texture Filterable" in Table 8.10 of the ES 3.2 specification.
+ */
+bool
+_mesa_is_es3_texture_filterable(const struct gl_context *ctx,
+ GLenum internal_format)
+{
+ switch (internal_format) {
+ case GL_R8:
+ case GL_R8_SNORM:
+ case GL_RG8:
+ case GL_RG8_SNORM:
+ case GL_RGB8:
+ case GL_RGB8_SNORM:
+ case GL_RGB565:
+ case GL_RGBA4:
+ case GL_RGB5_A1:
+ case GL_RGBA8:
+ case GL_RGBA8_SNORM:
+ case GL_RGB10_A2:
+ case GL_SRGB8:
+ case GL_SRGB8_ALPHA8:
+ case GL_R16F:
+ case GL_RG16F:
+ case GL_RGB16F:
+ case GL_RGBA16F:
+ case GL_R11F_G11F_B10F:
+ case GL_RGB9_E5:
+ return true;
+ case GL_R16:
+ case GL_R16_SNORM:
+ case GL_RG16:
+ case GL_RG16_SNORM:
+ case GL_RGB16:
+ case GL_RGB16_SNORM:
+ case GL_RGBA16:
+ case GL_RGBA16_SNORM:
+ return _mesa_has_EXT_texture_norm16(ctx);
+ case GL_R32F:
+ case GL_RG32F:
+ case GL_RGB32F:
+ case GL_RGBA32F:
+ /* The OES_texture_float_linear spec says:
+ *
+ * "When implemented against OpenGL ES 3.0 or later versions, sized
+ * 32-bit floating-point formats become texture-filterable. This
+ * should be noted by, for example, checking the ``TF'' column of
+ * table 8.13 in the ES 3.1 Specification (``Correspondence of sized
+ * internal formats to base internal formats ... and use cases ...'')
+ * for the R32F, RG32F, RGB32F, and RGBA32F formats."
+ */
+ return _mesa_has_OES_texture_float_linear(ctx);
+ default:
+ return false;
+ }
+}
projects / mesa.git / blobdiff