diff options
Diffstat (limited to 'src/mesa/drivers/dri/i915/intel_tex_format.c')
l---------[-rw-r--r--] | src/mesa/drivers/dri/i915/intel_tex_format.c | 173 |
1 files changed, 1 insertions, 172 deletions
diff --git a/src/mesa/drivers/dri/i915/intel_tex_format.c b/src/mesa/drivers/dri/i915/intel_tex_format.c index 6e058df..3415f75 100644..120000 --- a/src/mesa/drivers/dri/i915/intel_tex_format.c +++ b/src/mesa/drivers/dri/i915/intel_tex_format.c @@ -1,172 +1 @@ -#include "intel_context.h" -#include "intel_tex.h" -#include "texformat.h" -#include "enums.h" - -/* It works out that this function is fine for all the supported - * hardware. However, there is still a need to map the formats onto - * hardware descriptors. - */ -/* Note that the i915 can actually support many more formats than - * these if we take the step of simply swizzling the colors - * immediately after sampling... - */ -const struct gl_texture_format * -intelChooseTextureFormat(GLcontext * ctx, GLint internalFormat, - GLenum format, GLenum type) -{ - struct intel_context *intel = intel_context(ctx); - const GLboolean do32bpt = (intel->intelScreen->cpp == 4); - - switch (internalFormat) { - case 4: - case GL_RGBA: - case GL_COMPRESSED_RGBA: - if (format == GL_BGRA) { - if (type == GL_UNSIGNED_BYTE || type == GL_UNSIGNED_INT_8_8_8_8_REV) { - return &_mesa_texformat_argb8888; - } - else if (type == GL_UNSIGNED_SHORT_4_4_4_4_REV) { - return &_mesa_texformat_argb4444; - } - else if (type == GL_UNSIGNED_SHORT_1_5_5_5_REV) { - return &_mesa_texformat_argb1555; - } - } - return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; - - case 3: - case GL_RGB: - case GL_COMPRESSED_RGB: - if (format == GL_RGB && type == GL_UNSIGNED_SHORT_5_6_5) { - return &_mesa_texformat_rgb565; - } - return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_rgb565; - - case GL_RGBA8: - case GL_RGB10_A2: - case GL_RGBA12: - case GL_RGBA16: - return do32bpt ? &_mesa_texformat_argb8888 : &_mesa_texformat_argb4444; - - case GL_RGBA4: - case GL_RGBA2: - return &_mesa_texformat_argb4444; - - case GL_RGB5_A1: - return &_mesa_texformat_argb1555; - - case GL_RGB8: - case GL_RGB10: - case GL_RGB12: - case GL_RGB16: - return &_mesa_texformat_argb8888; - - case GL_RGB5: - case GL_RGB4: - case GL_R3_G3_B2: - return &_mesa_texformat_rgb565; - - case GL_ALPHA: - case GL_ALPHA4: - case GL_ALPHA8: - case GL_ALPHA12: - case GL_ALPHA16: - case GL_COMPRESSED_ALPHA: - return &_mesa_texformat_a8; - - case 1: - case GL_LUMINANCE: - case GL_LUMINANCE4: - case GL_LUMINANCE8: - case GL_LUMINANCE12: - case GL_LUMINANCE16: - case GL_COMPRESSED_LUMINANCE: - return &_mesa_texformat_l8; - - 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: - case GL_COMPRESSED_LUMINANCE_ALPHA: - return &_mesa_texformat_al88; - - case GL_INTENSITY: - case GL_INTENSITY4: - case GL_INTENSITY8: - case GL_INTENSITY12: - case GL_INTENSITY16: - case GL_COMPRESSED_INTENSITY: - return &_mesa_texformat_i8; - - case GL_YCBCR_MESA: - if (type == GL_UNSIGNED_SHORT_8_8_MESA || type == GL_UNSIGNED_BYTE) - return &_mesa_texformat_ycbcr; - else - return &_mesa_texformat_ycbcr_rev; - - case GL_COMPRESSED_RGB_FXT1_3DFX: - return &_mesa_texformat_rgb_fxt1; - case GL_COMPRESSED_RGBA_FXT1_3DFX: - return &_mesa_texformat_rgba_fxt1; - - case GL_RGB_S3TC: - case GL_RGB4_S3TC: - case GL_COMPRESSED_RGB_S3TC_DXT1_EXT: - return &_mesa_texformat_rgb_dxt1; - - case GL_COMPRESSED_RGBA_S3TC_DXT1_EXT: - return &_mesa_texformat_rgba_dxt1; - - case GL_RGBA_S3TC: - case GL_RGBA4_S3TC: - case GL_COMPRESSED_RGBA_S3TC_DXT3_EXT: - return &_mesa_texformat_rgba_dxt3; - - case GL_COMPRESSED_RGBA_S3TC_DXT5_EXT: - return &_mesa_texformat_rgba_dxt5; - - case GL_DEPTH_COMPONENT: - case GL_DEPTH_COMPONENT16: - case GL_DEPTH_COMPONENT24: - case GL_DEPTH_COMPONENT32: - return &_mesa_texformat_z16; - - case GL_DEPTH_STENCIL_EXT: - case GL_DEPTH24_STENCIL8_EXT: - return &_mesa_texformat_z24_s8; - - default: - fprintf(stderr, "unexpected texture format %s in %s\n", - _mesa_lookup_enum_by_nr(internalFormat), __FUNCTION__); - return NULL; - } - - return NULL; /* never get here */ -} - -int intel_compressed_num_bytes(GLuint mesaFormat) -{ - int bytes = 0; - switch(mesaFormat) { - - case MESA_FORMAT_RGB_FXT1: - case MESA_FORMAT_RGBA_FXT1: - case MESA_FORMAT_RGB_DXT1: - case MESA_FORMAT_RGBA_DXT1: - bytes = 2; - break; - - case MESA_FORMAT_RGBA_DXT3: - case MESA_FORMAT_RGBA_DXT5: - bytes = 4; - default: - break; - } - - return bytes; -} +../intel/intel_tex_format.c
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