From 5c14fd1743701776d128c2c1d25244f4de371ebe Mon Sep 17 00:00:00 2001 From: Marek Olšák Date: Sat, 20 Feb 2010 21:33:53 +0100 Subject: r300g: make r300_translate_texformat private Unlikely to increase performance from inlining. And partially expose it through r300_is_sampler_format_supported. --- src/gallium/drivers/r300/r300_texture.h | 235 +------------------------------- 1 file changed, 1 insertion(+), 234 deletions(-) (limited to 'src/gallium/drivers/r300/r300_texture.h') diff --git a/src/gallium/drivers/r300/r300_texture.h b/src/gallium/drivers/r300/r300_texture.h index e2c10325fa..01209efe3c 100644 --- a/src/gallium/drivers/r300/r300_texture.h +++ b/src/gallium/drivers/r300/r300_texture.h @@ -42,240 +42,7 @@ void r300_texture_reinterpret_format(struct pipe_screen *screen, struct pipe_texture *tex, enum pipe_format new_format); -/* Translate a pipe_format into a useful texture format for sampling. - * - * R300_EASY_TX_FORMAT swizzles the texture. - * Note the signature of R300_EASY_TX_FORMAT: - * R300_EASY_TX_FORMAT(B, G, R, A, FORMAT); - * - * The FORMAT specifies how the texture sampler will treat the texture, and - * makes available X, Y, Z, W, ZERO, and ONE for swizzling. */ -static INLINE uint32_t r300_translate_texformat(enum pipe_format format) -{ - uint32_t result = 0; - const struct util_format_description *desc; - unsigned components = 0, i; - boolean uniform = TRUE; - const uint32_t swizzle_shift[4] = { - R300_TX_FORMAT_R_SHIFT, - R300_TX_FORMAT_G_SHIFT, - R300_TX_FORMAT_B_SHIFT, - R300_TX_FORMAT_A_SHIFT - }; - const uint32_t sign_bit[4] = { - R300_TX_FORMAT_SIGNED_X, - R300_TX_FORMAT_SIGNED_Y, - R300_TX_FORMAT_SIGNED_Z, - R300_TX_FORMAT_SIGNED_W, - }; - - desc = util_format_description(format); - - /* Colorspace (return non-RGB formats directly). */ - switch (desc->colorspace) { - /* Depth stencil formats. */ - case UTIL_FORMAT_COLORSPACE_ZS: - switch (format) { - case PIPE_FORMAT_Z16_UNORM: - return R300_EASY_TX_FORMAT(X, X, X, X, X16); - case PIPE_FORMAT_Z24X8_UNORM: - case PIPE_FORMAT_Z24S8_UNORM: - return R300_EASY_TX_FORMAT(X, X, X, X, W24_FP); - default: - return ~0; /* Unsupported. */ - } - - /* YUV formats. */ - case UTIL_FORMAT_COLORSPACE_YUV: - result |= R300_TX_FORMAT_YUV_TO_RGB; - - switch (format) { - case PIPE_FORMAT_YCBCR: - return R300_EASY_TX_FORMAT(X, Y, Z, ONE, YVYU422) | result; - case PIPE_FORMAT_YCBCR_REV: - return R300_EASY_TX_FORMAT(X, Y, Z, ONE, VYUY422) | result; - default: - return ~0; /* Unsupported/unknown. */ - } - - /* Add gamma correction. */ - case UTIL_FORMAT_COLORSPACE_SRGB: - result |= R300_TX_FORMAT_GAMMA; - break; - - default:; - } - - /* Add swizzle. */ - for (i = 0; i < 4; i++) { - switch (desc->swizzle[i]) { - case UTIL_FORMAT_SWIZZLE_X: - case UTIL_FORMAT_SWIZZLE_NONE: - result |= R300_TX_FORMAT_X << swizzle_shift[i]; - break; - case UTIL_FORMAT_SWIZZLE_Y: - result |= R300_TX_FORMAT_Y << swizzle_shift[i]; - break; - case UTIL_FORMAT_SWIZZLE_Z: - result |= R300_TX_FORMAT_Z << swizzle_shift[i]; - break; - case UTIL_FORMAT_SWIZZLE_W: - result |= R300_TX_FORMAT_W << swizzle_shift[i]; - break; - case UTIL_FORMAT_SWIZZLE_0: - result |= R300_TX_FORMAT_ZERO << swizzle_shift[i]; - break; - case UTIL_FORMAT_SWIZZLE_1: - result |= R300_TX_FORMAT_ONE << swizzle_shift[i]; - break; - default: - return ~0; /* Unsupported. */ - } - } - - /* Compressed formats. */ - if (desc->layout == UTIL_FORMAT_LAYOUT_DXT) { - switch (format) { - case PIPE_FORMAT_DXT1_RGB: - case PIPE_FORMAT_DXT1_RGBA: - case PIPE_FORMAT_DXT1_SRGB: - case PIPE_FORMAT_DXT1_SRGBA: - return R300_TX_FORMAT_DXT1 | result; - case PIPE_FORMAT_DXT3_RGBA: - case PIPE_FORMAT_DXT3_SRGBA: - return R300_TX_FORMAT_DXT3 | result; - case PIPE_FORMAT_DXT5_RGBA: - case PIPE_FORMAT_DXT5_SRGBA: - return R300_TX_FORMAT_DXT5 | result; - default: - return ~0; /* Unsupported/unknown. */ - } - } - - /* Get the number of components. */ - for (i = 0; i < 4; i++) { - if (desc->channel[i].type != UTIL_FORMAT_TYPE_VOID) { - ++components; - } - } - - /* Add sign. */ - for (i = 0; i < components; i++) { - if (desc->channel[i].type == UTIL_FORMAT_TYPE_SIGNED) { - result |= sign_bit[i]; - } - } - - /* See whether the components are of the same size. */ - for (i = 1; i < components; i++) { - uniform = uniform && desc->channel[0].size == desc->channel[i].size; - } - - /* Non-uniform formats. */ - if (!uniform) { - switch (components) { - case 3: - if (desc->channel[0].size == 5 && - desc->channel[1].size == 6 && - desc->channel[2].size == 5) { - return R300_TX_FORMAT_Z5Y6X5 | result; - } - if (desc->channel[0].size == 5 && - desc->channel[1].size == 5 && - desc->channel[2].size == 6) { - return R300_TX_FORMAT_Z6Y5X5 | result; - } - return ~0; /* Unsupported/unknown. */ - - case 4: - if (desc->channel[0].size == 5 && - desc->channel[1].size == 5 && - desc->channel[2].size == 5 && - desc->channel[3].size == 1) { - return R300_TX_FORMAT_W1Z5Y5X5 | result; - } - if (desc->channel[0].size == 10 && - desc->channel[1].size == 10 && - desc->channel[2].size == 10 && - desc->channel[3].size == 2) { - return R300_TX_FORMAT_W2Z10Y10X10 | result; - } - } - return ~0; /* Unsupported/unknown. */ - } - - /* And finally, uniform formats. */ - switch (desc->channel[0].type) { - case UTIL_FORMAT_TYPE_UNSIGNED: - case UTIL_FORMAT_TYPE_SIGNED: - if (!desc->channel[0].normalized && - desc->colorspace != UTIL_FORMAT_COLORSPACE_SRGB) { - return ~0; - } - - switch (desc->channel[0].size) { - case 4: - switch (components) { - case 2: - return R300_TX_FORMAT_Y4X4 | result; - case 4: - return R300_TX_FORMAT_W4Z4Y4X4 | result; - } - return ~0; - - case 8: - switch (components) { - case 1: - return R300_TX_FORMAT_X8 | result; - case 2: - return R300_TX_FORMAT_Y8X8 | result; - case 4: - return R300_TX_FORMAT_W8Z8Y8X8 | result; - } - return ~0; - - case 16: - switch (components) { - case 1: - return R300_TX_FORMAT_X16 | result; - case 2: - return R300_TX_FORMAT_Y16X16 | result; - case 4: - return R300_TX_FORMAT_W16Z16Y16X16 | result; - } - } - return ~0; - -/* XXX Enable float textures here. */ -#if 0 - case UTIL_FORMAT_TYPE_FLOAT: - switch (desc->channel[0].size) { - case 16: - switch (components) { - case 1: - return R300_TX_FORMAT_16F | result; - case 2: - return R300_TX_FORMAT_16F_16F | result; - case 4: - return R300_TX_FORMAT_16F_16F_16F_16F | result; - } - return ~0; - - case 32: - switch (components) { - case 1: - return R300_TX_FORMAT_32F | result; - case 2: - return R300_TX_FORMAT_32F_32F | result; - case 4: - return R300_TX_FORMAT_32F_32F_32F_32F | result; - } - } -#endif - } - - return ~0; /* Unsupported/unknown. */ -} +boolean r300_is_sampler_format_supported(enum pipe_format format); struct r300_video_surface { -- cgit v1.2.3