X-Git-Url: https://git.libre-soc.org/?a=blobdiff_plain;f=src%2Fmesa%2Fmain%2Fglformats.c;h=76f1f9a28b7239a087cac850cc427f342879941e;hb=3bbd543b6ef1a59e5edb940915d822514a43e467;hp=77eee4f22ea35319b4813c4482be8b8aac62bba1;hpb=e0fe00eeac75d8fdd378a1f7633d2efd1db0a7b0;p=mesa.git diff --git a/src/mesa/main/glformats.c b/src/mesa/main/glformats.c index 77eee4f22ea..76f1f9a28b7 100644 --- a/src/mesa/main/glformats.c +++ b/src/mesa/main/glformats.c @@ -27,7 +27,206 @@ #include "context.h" #include "glformats.h" +#include "formats.h" +#include "texcompress.h" +#include "enums.h" + +enum { + ZERO = 4, + ONE = 5 +}; + +enum { + IDX_LUMINANCE = 0, + IDX_ALPHA, + IDX_INTENSITY, + IDX_LUMINANCE_ALPHA, + IDX_RGB, + IDX_RGBA, + IDX_RED, + IDX_GREEN, + IDX_BLUE, + IDX_BGR, + IDX_BGRA, + IDX_ABGR, + IDX_RG, + MAX_IDX +}; + +#define MAP1(x) MAP4(x, ZERO, ZERO, ZERO) +#define MAP2(x,y) MAP4(x, y, ZERO, ZERO) +#define MAP3(x,y,z) MAP4(x, y, z, ZERO) +#define MAP4(x,y,z,w) { x, y, z, w, ZERO, ONE } + +static const struct { + GLubyte format_idx; + GLubyte to_rgba[6]; + GLubyte from_rgba[6]; +} mappings[MAX_IDX] = +{ + { + IDX_LUMINANCE, + MAP4(0,0,0,ONE), + MAP1(0) + }, + + { + IDX_ALPHA, + MAP4(ZERO, ZERO, ZERO, 0), + MAP1(3) + }, + + { + IDX_INTENSITY, + MAP4(0, 0, 0, 0), + MAP1(0), + }, + + { + IDX_LUMINANCE_ALPHA, + MAP4(0,0,0,1), + MAP2(0,3) + }, + + { + IDX_RGB, + MAP4(0,1,2,ONE), + MAP3(0,1,2) + }, + + { + IDX_RGBA, + MAP4(0,1,2,3), + MAP4(0,1,2,3), + }, + + { + IDX_RED, + MAP4(0, ZERO, ZERO, ONE), + MAP1(0), + }, + + { + IDX_GREEN, + MAP4(ZERO, 0, ZERO, ONE), + MAP1(1), + }, + + { + IDX_BLUE, + MAP4(ZERO, ZERO, 0, ONE), + MAP1(2), + }, + + { + IDX_BGR, + MAP4(2,1,0,ONE), + MAP3(2,1,0) + }, + + { + IDX_BGRA, + MAP4(2,1,0,3), + MAP4(2,1,0,3) + }, + + { + IDX_ABGR, + MAP4(3,2,1,0), + MAP4(3,2,1,0) + }, + + { + IDX_RG, + MAP4(0, 1, ZERO, ONE), + MAP2(0, 1) + }, +}; + +/** + * Convert a GL image format enum to an IDX_* value (see above). + */ +static int +get_map_idx(GLenum value) +{ + switch (value) { + case GL_LUMINANCE: + case GL_LUMINANCE_INTEGER_EXT: + return IDX_LUMINANCE; + case GL_ALPHA: + case GL_ALPHA_INTEGER: + return IDX_ALPHA; + case GL_INTENSITY: + return IDX_INTENSITY; + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + return IDX_LUMINANCE_ALPHA; + case GL_RGB: + case GL_RGB_INTEGER: + return IDX_RGB; + case GL_RGBA: + case GL_RGBA_INTEGER: + return IDX_RGBA; + case GL_RED: + case GL_RED_INTEGER: + return IDX_RED; + case GL_GREEN: + return IDX_GREEN; + case GL_BLUE: + return IDX_BLUE; + case GL_BGR: + case GL_BGR_INTEGER: + return IDX_BGR; + case GL_BGRA: + case GL_BGRA_INTEGER: + return IDX_BGRA; + case GL_ABGR_EXT: + return IDX_ABGR; + case GL_RG: + case GL_RG_INTEGER: + return IDX_RG; + default: + _mesa_problem(NULL, "Unexpected inFormat %s", + _mesa_enum_to_string(value)); + return 0; + } +} +/** + * When promoting texture formats (see below) we need to compute the + * mapping of dest components back to source components. + * This function does that. + * \param inFormat the incoming format of the texture + * \param outFormat the final texture format + * \return map[6] a full 6-component map + */ +void +_mesa_compute_component_mapping(GLenum inFormat, GLenum outFormat, GLubyte *map) +{ + const int inFmt = get_map_idx(inFormat); + const int outFmt = get_map_idx(outFormat); + const GLubyte *in2rgba = mappings[inFmt].to_rgba; + const GLubyte *rgba2out = mappings[outFmt].from_rgba; + int i; + + for (i = 0; i < 4; i++) + map[i] = in2rgba[rgba2out[i]]; + + map[ZERO] = ZERO; + map[ONE] = ONE; + +#if 0 + printf("from %x/%s to %x/%s map %d %d %d %d %d %d\n", + inFormat, _mesa_enum_to_string(inFormat), + outFormat, _mesa_enum_to_string(outFormat), + map[0], + map[1], + map[2], + map[3], + map[4], + map[5]); +#endif +} /** * \return GL_TRUE if type is packed pixel type, GL_FALSE otherwise. @@ -93,6 +292,7 @@ _mesa_sizeof_type(GLenum type) case GL_DOUBLE: return sizeof(GLdouble); case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: return sizeof(GLhalfARB); case GL_FIXED: return sizeof(GLfixed); @@ -125,6 +325,7 @@ _mesa_sizeof_packed_type(GLenum type) case GL_INT: return sizeof(GLint); case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: return sizeof(GLhalfARB); case GL_FLOAT: return sizeof(GLfloat); @@ -241,6 +442,7 @@ _mesa_bytes_per_pixel(GLenum format, GLenum type) case GL_FLOAT: return comps * sizeof(GLfloat); case GL_HALF_FLOAT_ARB: + case GL_HALF_FLOAT_OES: return comps * sizeof(GLhalfARB); case GL_UNSIGNED_BYTE_3_3_2: case GL_UNSIGNED_BYTE_2_3_3_REV: @@ -258,18 +460,29 @@ _mesa_bytes_per_pixel(GLenum format, GLenum type) return -1; /* error */ case GL_UNSIGNED_SHORT_4_4_4_4: case GL_UNSIGNED_SHORT_4_4_4_4_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_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 || + if (format == GL_RGBA || format == GL_BGRA || 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: + if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT || + format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT || + format == GL_RGB) + return sizeof(GLuint); + else + return -1; 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 || + if (format == GL_RGBA || format == GL_BGRA || format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT || format == GL_RGB) return sizeof(GLuint); @@ -282,7 +495,8 @@ _mesa_bytes_per_pixel(GLenum format, GLenum type) 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; @@ -332,6 +546,7 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type) 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); @@ -348,6 +563,8 @@ _mesa_bytes_per_vertex_attrib(GLint comps, GLenum type) return sizeof(GLuint); else return -1; + case GL_UNSIGNED_INT64_ARB: + return comps * 8; default: return -1; } @@ -409,6 +626,77 @@ _mesa_is_enum_format_unsized(GLenum format) } } +/** + * Test if the given format is a UNORM (unsigned-normalized) format. + */ +GLboolean +_mesa_is_enum_format_unorm(GLenum format) +{ + switch(format) { + case GL_RED: + case GL_GREEN: + case GL_BLUE: + case GL_ALPHA: + case GL_ALPHA4: + case GL_ALPHA8: + case GL_ALPHA12: + case GL_ALPHA16: + case 1: + case GL_LUMINANCE: + case GL_SLUMINANCE: + case GL_LUMINANCE4: + case GL_LUMINANCE8: + case GL_LUMINANCE12: + case GL_LUMINANCE16: + case 2: + case GL_LUMINANCE_ALPHA: + case GL_SLUMINANCE_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: + case GL_INTENSITY: + case GL_INTENSITY4: + case GL_INTENSITY8: + case GL_INTENSITY12: + case GL_INTENSITY16: + case GL_R8: + case GL_R16: + case GL_RG: + case GL_RG8: + case GL_RG16: + case 3: + case GL_RGB: + case GL_BGR: + case GL_SRGB: + case GL_R3_G3_B2: + case GL_RGB4: + case GL_RGB5: + case GL_RGB565: + case GL_RGB8: + case GL_RGB10: + case GL_RGB12: + case GL_RGB16: + case 4: + case GL_ABGR_EXT: + case GL_RGBA: + case GL_BGRA: + case GL_SRGB_ALPHA: + 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_TRUE; + default: + return GL_FALSE; + } +} + /** * Test if the given format is a SNORM (signed-normalized) format. */ @@ -537,6 +825,112 @@ _mesa_is_enum_format_signed_int(GLenum format) } } +/** + * 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. @@ -716,6 +1110,38 @@ _mesa_is_color_format(GLenum format) case GL_COMPRESSED_SIGNED_RG11_EAC: case GL_COMPRESSED_RGB8_PUNCHTHROUGH_ALPHA1_ETC2: case GL_COMPRESSED_SRGB8_PUNCHTHROUGH_ALPHA1_ETC2: + 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: + 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: /* generic integer formats */ case GL_RED_INTEGER_EXT: case GL_GREEN_INTEGER_EXT: @@ -913,62 +1339,22 @@ _mesa_is_depth_or_stencil_format(GLenum format) * \return GL_TRUE if compressed, GL_FALSE if uncompressed */ GLboolean -_mesa_is_compressed_format(struct gl_context *ctx, GLenum format) +_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; + 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: @@ -980,14 +1366,127 @@ _mesa_is_compressed_format(struct gl_context *ctx, GLenum format) 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_get_format_color_encoding(m_format) == GL_LINEAR) { + return _mesa_has_EXT_texture_compression_s3tc(ctx); + } else { + return _mesa_has_EXT_texture_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); + 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); + case MESA_FORMAT_LAYOUT_ASTC: + return _mesa_has_KHR_texture_compression_astc_ldr(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) @@ -1033,6 +1532,8 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) 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 || @@ -1044,6 +1545,8 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) 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) { @@ -1054,6 +1557,8 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) 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; @@ -1063,6 +1568,8 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) 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) { @@ -1086,6 +1593,8 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) 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; @@ -1093,6 +1602,8 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) 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; @@ -1100,7 +1611,7 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) return GL_FALSE; default: _mesa_warning(NULL, "%s: Unexpected channel token 0x%x\n", - __FUNCTION__, pname); + __func__, pname); return GL_FALSE; } @@ -1109,37 +1620,11 @@ _mesa_base_format_has_channel(GLenum base_format, GLenum pname) /** - * Returns the number of channels/components for a base format. + * If format is a generic compressed format, return the corresponding + * non-compressed format. For other formats, return the format as-is. */ -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. - */ -GLenum -_mesa_generic_compressed_format_to_uncompressed_format(GLenum format) +GLenum +_mesa_generic_compressed_format_to_uncompressed_format(GLenum format) { switch (format) { case GL_COMPRESSED_RED: @@ -1315,26 +1800,36 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; 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: if (format == GL_RGBA || format == GL_BGRA || format == GL_ABGR_EXT) { 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; + + case GL_UNSIGNED_SHORT_5_5_5_1: + case GL_UNSIGNED_SHORT_1_5_5_5_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) { + break; /* OK */ + } + if ((format == GL_RGBA_INTEGER_EXT || format == GL_BGRA_INTEGER_EXT) && + _mesa_has_texture_rgb10_a2ui(ctx)) { break; /* OK */ } if (type == GL_UNSIGNED_INT_2_10_10_10_REV && format == GL_RGB && @@ -1344,6 +1839,10 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; } @@ -1367,6 +1866,22 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, } return GL_NO_ERROR; + case GL_HALF_FLOAT_OES: + switch (format) { + case GL_RGBA: + case GL_RGB: + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE: + case GL_ALPHA: + return GL_NO_ERROR; + case GL_RG: + case GL_RED: + if (_mesa_is_gles3(ctx) || ctx->Extensions.ARB_texture_rg) + return GL_NO_ERROR; + default: + return GL_INVALID_OPERATION; + } + default: ; /* fall-through */ } @@ -1480,7 +1995,6 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, case GL_RGBA: case GL_BGRA: - case GL_ABGR_EXT: switch (type) { case GL_BYTE: case GL_UNSIGNED_BYTE: @@ -1503,6 +2017,25 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, return GL_INVALID_ENUM; } + case GL_ABGR_EXT: + switch (type) { + case GL_BYTE: + case GL_UNSIGNED_BYTE: + case GL_SHORT: + case GL_UNSIGNED_SHORT: + case GL_INT: + case GL_UNSIGNED_INT: + case GL_FLOAT: + 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: + case GL_UNSIGNED_INT_8_8_8_8_REV: + case GL_HALF_FLOAT: + return GL_NO_ERROR; + default: + return GL_INVALID_ENUM; + } + case GL_YCBCR_MESA: if (!ctx->Extensions.MESA_ycbcr_texture) return GL_INVALID_ENUM; @@ -1534,8 +2067,7 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; @@ -1549,14 +2081,13 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; @@ -1571,8 +2102,7 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; @@ -1587,8 +2117,7 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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: @@ -1598,7 +2127,7 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; @@ -1613,7 +2142,7 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, 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; @@ -1632,12 +2161,18 @@ _mesa_error_check_format_and_type(const struct gl_context *ctx, * \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 (ctx->API == API_OPENGLES || !ctx->Extensions.ARB_texture_rg) + return GL_INVALID_VALUE; + /* fallthrough */ case GL_ALPHA: case GL_LUMINANCE: case GL_LUMINANCE_ALPHA: @@ -1659,7 +2194,8 @@ _mesa_es_error_check_format_and_type(GLenum format, GLenum type, || 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); + || (ctx->Extensions.EXT_texture_type_2_10_10_10_REV && + type == GL_UNSIGNED_INT_2_10_10_10_REV)); break; case GL_DEPTH_COMPONENT: @@ -1694,138 +2230,741 @@ _mesa_es_error_check_format_and_type(GLenum format, GLenum type, 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(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; - 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 */ + } + } + if (_mesa_has_ARB_ES2_compatibility(ctx) || _mesa_is_gles(ctx)) { + switch (internalFormat) { + case GL_RGB565: + return GL_RGB; default: - return GL_INVALID_OPERATION; + ; /* fallthrough */ } - break; + } - case GL_RGBA_INTEGER: - switch (type) { - case GL_UNSIGNED_BYTE: - if (internalFormat != GL_RGBA8UI) - return GL_INVALID_OPERATION; - 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 */ + } + } - case GL_BYTE: - if (internalFormat != GL_RGBA8I) - return GL_INVALID_OPERATION; - break; + 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 */ + } + } - case GL_UNSIGNED_SHORT: - if (internalFormat != GL_RGBA16UI) - return GL_INVALID_OPERATION; - break; + 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 */ + } - case GL_SHORT: - if (internalFormat != GL_RGBA16I) - return GL_INVALID_OPERATION; - break; + if (_mesa_is_compressed_format(ctx, internalFormat)) { + GLenum base_compressed = + _mesa_gl_compressed_format_base_format(internalFormat); + if (base_compressed) + return base_compressed; + } - case GL_UNSIGNED_INT: - if (internalFormat != GL_RGBA32UI) - return GL_INVALID_OPERATION; - break; + 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; - case GL_INT: - if (internalFormat != GL_RGBA32I) - return GL_INVALID_OPERATION; - break; + if (ctx->Extensions.MESA_ycbcr_texture) { + if (internalFormat == GL_YCBCR_MESA) + return GL_YCBCR_MESA; + } - case GL_UNSIGNED_INT_2_10_10_10_REV: - if (internalFormat != GL_RGB10_A2UI) - return GL_INVALID_OPERATION; - break; + if (ctx->Extensions.ARB_texture_float) { + switch (internalFormat) { + case GL_ALPHA16F_ARB: + case GL_ALPHA32F_ARB: + return GL_ALPHA; + case GL_RGBA16F_ARB: + case GL_RGBA32F_ARB: + return GL_RGBA; + case GL_RGB16F_ARB: + case GL_RGB32F_ARB: + return GL_RGB; + case GL_INTENSITY16F_ARB: + case GL_INTENSITY32F_ARB: + return GL_INTENSITY; + case GL_LUMINANCE16F_ARB: + case GL_LUMINANCE32F_ARB: + return GL_LUMINANCE; + case GL_LUMINANCE_ALPHA16F_ARB: + case GL_LUMINANCE_ALPHA32F_ARB: + return GL_LUMINANCE_ALPHA; + default: + ; /* fallthrough */ + } + } + if (ctx->Extensions.EXT_texture_snorm) { + 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: - return GL_INVALID_OPERATION; + ; /* fallthrough */ } - break; + } - case GL_RGB: - switch (type) { - case GL_UNSIGNED_BYTE: - switch (internalFormat) { + if (ctx->Extensions.EXT_texture_sRGB) { + 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 (ctx->Extensions.EXT_texture_sRGB_R8) { + 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 (ctx->Extensions.ARB_texture_rg) { + switch (internalFormat) { + case GL_R16F: + case GL_R32F: + if (!ctx->Extensions.ARB_texture_float) + 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: + case GL_RG32F: + if (!ctx->Extensions.ARB_texture_float) + 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 (ctx->Extensions.EXT_texture_shared_exponent) { + switch (internalFormat) { + case GL_RGB9_E5_EXT: + return GL_RGB; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.EXT_packed_float) { + switch (internalFormat) { + case GL_R11F_G11F_B10F_EXT: + return GL_RGB; + default: + ; /* fallthrough */ + } + } + + if (ctx->Extensions.ARB_depth_buffer_float) { + 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; + 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 (!ctx->Extensions.EXT_texture_type_2_10_10_10_REV) + 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 (ctx->Extensions.OES_texture_float && internalFormat == format) + break; + default: + return GL_INVALID_OPERATION; + } + break; + + case GL_HALF_FLOAT_OES: + if (ctx->Extensions.OES_texture_half_float && internalFormat == format) + 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) + return GL_INVALID_OPERATION; + break; + + case GL_BYTE: + if (internalFormat != GL_RGBA8I) + return GL_INVALID_OPERATION; + break; + + case GL_UNSIGNED_SHORT: + if (internalFormat != GL_RGBA16UI) + return GL_INVALID_OPERATION; + break; + + case GL_SHORT: + if (internalFormat != GL_RGBA16I) + return GL_INVALID_OPERATION; + break; + + case GL_UNSIGNED_INT: + if (internalFormat != GL_RGBA32UI) + return GL_INVALID_OPERATION; + break; + + case GL_INT: + if (internalFormat != GL_RGBA32I) + return GL_INVALID_OPERATION; + break; + + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (internalFormat != GL_RGB10_A2UI) + return GL_INVALID_OPERATION; + break; + + default: + return GL_INVALID_OPERATION; + } + break; + + case GL_RGB: + switch (type) { + case GL_UNSIGNED_BYTE: + switch (internalFormat) { 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; @@ -1833,7 +2972,18 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, 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; @@ -1848,16 +2998,18 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, 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: @@ -1874,15 +3026,34 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, case GL_RGB32F: case GL_R11F_G11F_B10F: case GL_RGB9_E5: + if (ctx->Version <= 20) + return GL_INVALID_OPERATION; break; + case GL_RGB: + if (ctx->Extensions.OES_texture_float && internalFormat == format) + break; default: return GL_INVALID_OPERATION; } break; + case GL_HALF_FLOAT_OES: + if (!ctx->Extensions.OES_texture_half_float || 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 (!ctx->Extensions.EXT_texture_type_2_10_10_10_REV) + return GL_INVALID_OPERATION; break; default: return GL_INVALID_OPERATION; @@ -1895,6 +3066,8 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, break; case GL_RGB_INTEGER: + if (ctx->Version <= 20) + return GL_INVALID_OPERATION; switch (type) { case GL_UNSIGNED_BYTE: if (internalFormat != GL_RGB8UI) @@ -1932,6 +3105,8 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, break; case GL_RG: + if (!ctx->Extensions.ARB_texture_rg) + return GL_INVALID_OPERATION; switch (type) { case GL_UNSIGNED_BYTE: if (internalFormat != GL_RG8) @@ -1943,16 +3118,44 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, 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 (ctx->Extensions.ARB_texture_rg && + ctx->Extensions.OES_texture_half_float) + break; + /* fallthrough */ + default: + return GL_INVALID_OPERATION; + } + break; + case GL_FLOAT: switch (internalFormat) { case GL_RG16F: case GL_RG32F: break; + case GL_RG: + if (ctx->Extensions.ARB_texture_rg && + ctx->Extensions.OES_texture_float) + break; + /* fallthrough */ default: return GL_INVALID_OPERATION; } @@ -1964,6 +3167,8 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, break; case GL_RG_INTEGER: + if (ctx->Version <= 20) + return GL_INVALID_OPERATION; switch (type) { case GL_UNSIGNED_BYTE: if (internalFormat != GL_RG8UI) @@ -2001,20 +3206,48 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, break; case GL_RED: + if (!ctx->Extensions.ARB_texture_rg) + return GL_INVALID_OPERATION; switch (type) { case GL_UNSIGNED_BYTE: - if (internalFormat != GL_R8) - return GL_INVALID_OPERATION; - break; + if (internalFormat == GL_R8 || + ((internalFormat == GL_SR8_EXT) && + ctx->Extensions.EXT_texture_sRGB_R8)) + break; + return GL_INVALID_OPERATION; case GL_BYTE: if (internalFormat != GL_R8_SNORM) return GL_INVALID_OPERATION; break; + 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 (ctx->Extensions.ARB_texture_rg && + ctx->Extensions.OES_texture_half_float) + break; + /* fallthrough */ + default: return GL_INVALID_OPERATION; + } break; case GL_FLOAT: @@ -2022,6 +3255,11 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, case GL_R16F: case GL_R32F: break; + case GL_RED: + if (ctx->Extensions.ARB_texture_rg && + ctx->Extensions.OES_texture_float) + break; + /* fallthrough */ default: return GL_INVALID_OPERATION; } @@ -2033,6 +3271,8 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, break; case GL_RED_INTEGER: + if (ctx->Version <= 20) + return GL_INVALID_OPERATION; switch (type) { case GL_UNSIGNED_BYTE: if (internalFormat != GL_R8UI) @@ -2089,7 +3329,7 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, break; case GL_FLOAT: - if (internalFormat != GL_DEPTH_COMPONENT32F) + if (ctx->Version <= 20 || internalFormat != GL_DEPTH_COMPONENT32F) return GL_INVALID_OPERATION; break; @@ -2107,7 +3347,7 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, 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; @@ -2116,13 +3356,493 @@ _mesa_es3_error_check_format_and_type(GLenum format, GLenum type, } 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: - if (type != GL_UNSIGNED_BYTE || format != internalFormat) + switch (type) { + case GL_FLOAT: + if (!ctx->Extensions.OES_texture_float || internalFormat != format) + return GL_INVALID_OPERATION; + break; + case GL_HALF_FLOAT_OES: + if (!ctx->Extensions.OES_texture_half_float || 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; } + +static void +set_swizzle(uint8_t *swizzle, int x, int y, int z, int w) +{ + swizzle[MESA_FORMAT_SWIZZLE_X] = x; + swizzle[MESA_FORMAT_SWIZZLE_Y] = y; + swizzle[MESA_FORMAT_SWIZZLE_Z] = z; + swizzle[MESA_FORMAT_SWIZZLE_W] = w; +} + +static bool +get_swizzle_from_gl_format(GLenum format, uint8_t *swizzle) +{ + switch (format) { + case GL_RGBA: + case GL_RGBA_INTEGER_EXT: + set_swizzle(swizzle, 0, 1, 2, 3); + return true; + case GL_BGRA: + case GL_BGRA_INTEGER_EXT: + set_swizzle(swizzle, 2, 1, 0, 3); + return true; + case GL_ABGR_EXT: + set_swizzle(swizzle, 3, 2, 1, 0); + return true; + case GL_RGB: + case GL_RGB_INTEGER_EXT: + set_swizzle(swizzle, 0, 1, 2, 5); + return true; + case GL_BGR: + case GL_BGR_INTEGER_EXT: + set_swizzle(swizzle, 2, 1, 0, 5); + return true; + case GL_LUMINANCE_ALPHA: + case GL_LUMINANCE_ALPHA_INTEGER_EXT: + set_swizzle(swizzle, 0, 0, 0, 1); + return true; + case GL_RG: + case GL_RG_INTEGER: + set_swizzle(swizzle, 0, 1, 4, 5); + return true; + case GL_RED: + case GL_RED_INTEGER_EXT: + set_swizzle(swizzle, 0, 4, 4, 5); + return true; + case GL_GREEN: + case GL_GREEN_INTEGER_EXT: + set_swizzle(swizzle, 4, 0, 4, 5); + return true; + case GL_BLUE: + case GL_BLUE_INTEGER_EXT: + set_swizzle(swizzle, 4, 4, 0, 5); + return true; + case GL_ALPHA: + case GL_ALPHA_INTEGER_EXT: + set_swizzle(swizzle, 4, 4, 4, 0); + return true; + case GL_LUMINANCE: + case GL_LUMINANCE_INTEGER_EXT: + set_swizzle(swizzle, 0, 0, 0, 5); + return true; + case GL_INTENSITY: + set_swizzle(swizzle, 0, 0, 0, 0); + return true; + default: + return false; + } +} + +/** +* Take an OpenGL format (GL_RGB, GL_RGBA, etc), OpenGL data type (GL_INT, +* GL_FOAT, etc) and return a matching mesa_array_format or a mesa_format +* otherwise (for non-array formats). +* +* This function will typically be used to compute a mesa format from a GL type +* so we can then call _mesa_format_convert. This function does +* not consider byte swapping, so it returns types assuming that no byte +* swapping is involved. If byte swapping is involved then clients are supposed +* to handle that on their side before calling _mesa_format_convert. +* +* This function returns an uint32_t that can pack a mesa_format or a +* mesa_array_format. Clients must check the mesa array format bit +* (MESA_ARRAY_FORMAT_BIT) on the return value to know if the returned +* format is a mesa_array_format or a mesa_format. +*/ +uint32_t +_mesa_format_from_format_and_type(GLenum format, GLenum type) +{ + 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; + + /* Extract array format type information from the OpenGL data type */ + switch (type) { + case GL_UNSIGNED_BYTE: + type_size = 1; + break; + case GL_BYTE: + type_size = 1; + is_signed = true; + break; + case GL_UNSIGNED_SHORT: + type_size = 2; + break; + case GL_SHORT: + type_size = 2; + is_signed = true; + break; + case GL_UNSIGNED_INT: + type_size = 4; + break; + case GL_INT: + type_size = 4; + is_signed = true; + break; + case GL_HALF_FLOAT: + case GL_HALF_FLOAT_OES: + type_size = 2; + is_signed = true; + is_float = true; + break; + case GL_FLOAT: + type_size = 4; + is_signed = true; + is_float = true; + break; + default: + is_array_format = false; + break; + } + + /* Extract array format swizzle information from the OpenGL format */ + if (is_array_format) + is_array_format = get_swizzle_from_gl_format(format, swizzle); + + /* If this is an array format type after checking data type and format, + * create the array format + */ + if (is_array_format) { + normalized = !_mesa_is_enum_format_integer(format); + num_channels = _mesa_components_in_format(format); + + return MESA_ARRAY_FORMAT(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 + * matching the OpenGL format and data type + */ + switch (type) { + case GL_UNSIGNED_SHORT_5_6_5: + if (format == GL_RGB) + 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_A4B4G4R4_UNORM; + else if (format == GL_BGRA) + 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_R4G4B4A4_UNORM; + else if (format == GL_BGRA) + 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_R9G9B9E5_FLOAT; + break; + case GL_UNSIGNED_INT_10_10_10_2: + if (format == GL_RGBA) + return MESA_FORMAT_A2B10G10R10_UNORM; + else if (format == GL_RGBA_INTEGER) + return MESA_FORMAT_A2B10G10R10_UINT; + else if (format == GL_BGRA) + return MESA_FORMAT_A2R10G10B10_UNORM; + else if (format == GL_BGRA_INTEGER) + return MESA_FORMAT_A2R10G10B10_UINT; + break; + case GL_UNSIGNED_INT_2_10_10_10_REV: + if (format == GL_RGB) + return MESA_FORMAT_R10G10B10X2_UNORM; + if (format == GL_RGBA) + return MESA_FORMAT_R10G10B10A2_UNORM; + else if (format == GL_RGBA_INTEGER) + return MESA_FORMAT_R10G10B10A2_UINT; + else if (format == GL_BGRA) + return MESA_FORMAT_B10G10R10A2_UNORM; + else if (format == GL_BGRA_INTEGER) + return MESA_FORMAT_B10G10R10A2_UINT; + break; + case GL_UNSIGNED_INT_8_8_8_8: + if (format == GL_RGBA) + return MESA_FORMAT_A8B8G8R8_UNORM; + else if (format == GL_BGRA) + 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_R8G8B8A8_UNORM; + else if (format == GL_BGRA) + 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) + return MESA_FORMAT_YCBCR; + break; + case GL_UNSIGNED_SHORT_8_8_REV_MESA: + if (format == GL_YCBCR_MESA) + return MESA_FORMAT_YCBCR_REV; + break; + 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_Z24_UNORM_S8_UINT; + 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; + } + + /* 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; + } +}