1 #include "intel_context.h" 2 #include "intel_tex.h" 3 #include "main/enums.h" 4 #include "main/formats.h" 5 6 /** 7 * Returns the renderbuffer DataType for a MESA_FORMAT. 8 */ 9 GLenum 10 intel_mesa_format_to_rb_datatype(gl_format format) 11 { 12 switch (format) { 13 case MESA_FORMAT_ARGB8888: 14 case MESA_FORMAT_XRGB8888: 15 case MESA_FORMAT_SARGB8: 16 case MESA_FORMAT_R8: 17 case MESA_FORMAT_GR88: 18 case MESA_FORMAT_A8: 19 case MESA_FORMAT_I8: 20 case MESA_FORMAT_L8: 21 case MESA_FORMAT_AL88: 22 case MESA_FORMAT_RGB565: 23 case MESA_FORMAT_ARGB1555: 24 case MESA_FORMAT_ARGB4444: 25 case MESA_FORMAT_S8: 26 return GL_UNSIGNED_BYTE; 27 case MESA_FORMAT_R16: 28 case MESA_FORMAT_RG1616: 29 case MESA_FORMAT_Z16: 30 return GL_UNSIGNED_SHORT; 31 case MESA_FORMAT_X8_Z24: 32 return GL_UNSIGNED_INT; 33 case MESA_FORMAT_S8_Z24: 34 return GL_UNSIGNED_INT_24_8_EXT; 35 case MESA_FORMAT_RGBA_FLOAT32: 36 case MESA_FORMAT_RG_FLOAT32: 37 case MESA_FORMAT_R_FLOAT32: 38 case MESA_FORMAT_INTENSITY_FLOAT32: 39 case MESA_FORMAT_LUMINANCE_FLOAT32: 40 case MESA_FORMAT_ALPHA_FLOAT32: 41 case MESA_FORMAT_LUMINANCE_ALPHA_FLOAT32: 42 return GL_FLOAT; 43 44 /* The core depthstencil wrappers demand this. */ 45 case MESA_FORMAT_Z32_FLOAT_X24S8: 46 return GL_FLOAT_32_UNSIGNED_INT_24_8_REV; 47 48 default: 49 /* Unsupported format. We may hit this when people ask for FBO-incomplete 50 * formats. 51 */ 52 return GL_NONE; 53 } 54 } 55 56 int intel_compressed_num_bytes(GLuint mesaFormat) 57 { 58 GLuint bw, bh; 59 GLuint block_size; 60 61 block_size = _mesa_get_format_bytes(mesaFormat); 62 _mesa_get_format_block_size(mesaFormat, &bw, &bh); 63 64 return block_size / bw; 65 } 66
