WebSVN – Kolibri OS – Blame – /contrib/sdk/sources/Mesa/src/gallium/drivers/freedreno/a3xx/fd3_util.c

Rev	Author	Line No.	Line
4358	Serge	1	/* -- mode: C; c-file-style: "k&r"; tab-width 4; indent-tabs-mode: t; -- */
		2
		3	/*
		4	* Copyright (C) 2013 Rob Clark
		5	*
		6	* Permission is hereby granted, free of charge, to any person obtaining a
		7	* copy of this software and associated documentation files (the "Software"),
		8	* to deal in the Software without restriction, including without limitation
		9	* the rights to use, copy, modify, merge, publish, distribute, sublicense,
		10	* and/or sell copies of the Software, and to permit persons to whom the
		11	* Software is furnished to do so, subject to the following conditions:
		12	*
		13	* The above copyright notice and this permission notice (including the next
		14	* paragraph) shall be included in all copies or substantial portions of the
		15	* Software.
		16	*
		17	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
		18	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
		19	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
		20	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
		21	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
		22	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
		23	* SOFTWARE.
		24	*
		25	* Authors:
		26	* Rob Clark
		27	*/
		28
		29	#include "pipe/p_defines.h"
		30	#include "util/u_format.h"
		31
		32	#include "fd3_util.h"
		33
		34	/* convert pipe format to vertex buffer format: */
		35	enum a3xx_vtx_fmt
		36	fd3_pipe2vtx(enum pipe_format format)
		37	{
		38	switch (format) {
		39	/* 8-bit buffers. */
		40	case PIPE_FORMAT_A8_UNORM:
		41	case PIPE_FORMAT_I8_UNORM:
		42	case PIPE_FORMAT_L8_UNORM:
		43	case PIPE_FORMAT_R8_UNORM:
		44	case PIPE_FORMAT_L8_SRGB:
		45	return VFMT_NORM_UBYTE_8;
		46
		47	case PIPE_FORMAT_A8_SNORM:
		48	case PIPE_FORMAT_I8_SNORM:
		49	case PIPE_FORMAT_L8_SNORM:
		50	case PIPE_FORMAT_R8_SNORM:
		51	return VFMT_NORM_BYTE_8;
		52
		53	case PIPE_FORMAT_A8_UINT:
		54	case PIPE_FORMAT_I8_UINT:
		55	case PIPE_FORMAT_L8_UINT:
		56	case PIPE_FORMAT_R8_UINT:
		57	return VFMT_UBYTE_8;
		58
		59	case PIPE_FORMAT_A8_SINT:
		60	case PIPE_FORMAT_I8_SINT:
		61	case PIPE_FORMAT_L8_SINT:
		62	case PIPE_FORMAT_R8_SINT:
		63	return VFMT_BYTE_8;
		64
		65	/* 16-bit buffers. */
		66	case PIPE_FORMAT_R16_UNORM:
		67	case PIPE_FORMAT_A16_UNORM:
		68	case PIPE_FORMAT_L16_UNORM:
		69	case PIPE_FORMAT_I16_UNORM:
		70	case PIPE_FORMAT_Z16_UNORM:
		71	return VFMT_NORM_USHORT_16;
		72
		73	case PIPE_FORMAT_R16_SNORM:
		74	case PIPE_FORMAT_A16_SNORM:
		75	case PIPE_FORMAT_L16_SNORM:
		76	case PIPE_FORMAT_I16_SNORM:
		77	return VFMT_NORM_SHORT_16;
		78
		79	case PIPE_FORMAT_R16_UINT:
		80	case PIPE_FORMAT_A16_UINT:
		81	case PIPE_FORMAT_L16_UINT:
		82	case PIPE_FORMAT_I16_UINT:
		83	return VFMT_USHORT_16;
		84
		85	case PIPE_FORMAT_R16_SINT:
		86	case PIPE_FORMAT_A16_SINT:
		87	case PIPE_FORMAT_L16_SINT:
		88	case PIPE_FORMAT_I16_SINT:
		89	return VFMT_SHORT_16;
		90
		91	case PIPE_FORMAT_L8A8_UNORM:
		92	case PIPE_FORMAT_R8G8_UNORM:
		93	return VFMT_NORM_UBYTE_8_8;
		94
		95	case PIPE_FORMAT_L8A8_SNORM:
		96	case PIPE_FORMAT_R8G8_SNORM:
		97	return VFMT_NORM_BYTE_8_8;
		98
		99	case PIPE_FORMAT_L8A8_UINT:
		100	case PIPE_FORMAT_R8G8_UINT:
		101	return VFMT_UBYTE_8_8;
		102
		103	case PIPE_FORMAT_L8A8_SINT:
		104	case PIPE_FORMAT_R8G8_SINT:
		105	return VFMT_BYTE_8_8;
		106
		107	/* 24-bit buffers. */
		108	case PIPE_FORMAT_R8G8B8_UNORM:
		109	return VFMT_NORM_UBYTE_8_8_8;
		110
		111	case PIPE_FORMAT_R8G8B8_SNORM:
		112	return VFMT_NORM_BYTE_8_8_8;
		113
		114	case PIPE_FORMAT_R8G8B8_UINT:
		115	return VFMT_UBYTE_8_8_8;
		116
		117	case PIPE_FORMAT_R8G8B8_SINT:
		118	return VFMT_BYTE_8_8_8;
		119
		120	/* 32-bit buffers. */
		121	case PIPE_FORMAT_A8B8G8R8_UNORM:
		122	case PIPE_FORMAT_A8R8G8B8_UNORM:
		123	case PIPE_FORMAT_B8G8R8A8_UNORM:
		124	case PIPE_FORMAT_B8G8R8X8_UNORM:
		125	case PIPE_FORMAT_R8G8B8A8_UNORM:
		126	case PIPE_FORMAT_R8G8B8X8_UNORM:
		127	case PIPE_FORMAT_X8B8G8R8_UNORM:
		128	case PIPE_FORMAT_X8R8G8B8_UNORM:
		129	case PIPE_FORMAT_A8B8G8R8_SRGB:
		130	case PIPE_FORMAT_B8G8R8A8_SRGB:
		131	return VFMT_NORM_UBYTE_8_8_8_8;
		132
		133	case PIPE_FORMAT_R8G8B8A8_SNORM:
		134	case PIPE_FORMAT_R8G8B8X8_SNORM:
		135	return VFMT_NORM_BYTE_8_8_8_8;
		136
		137	case PIPE_FORMAT_R8G8B8A8_UINT:
		138	case PIPE_FORMAT_R8G8B8X8_UINT:
		139	return VFMT_UBYTE_8_8_8_8;
		140
		141	case PIPE_FORMAT_R8G8B8A8_SINT:
		142	case PIPE_FORMAT_R8G8B8X8_SINT:
		143	return VFMT_BYTE_8_8_8_8;
		144
		145	/* TODO probably need gles3 blob drivers to find the 32bit int formats:
		146	case PIPE_FORMAT_R32_UINT:
		147	case PIPE_FORMAT_R32_SINT:
		148	case PIPE_FORMAT_A32_UINT:
		149	case PIPE_FORMAT_A32_SINT:
		150	case PIPE_FORMAT_L32_UINT:
		151	case PIPE_FORMAT_L32_SINT:
		152	case PIPE_FORMAT_I32_UINT:
		153	case PIPE_FORMAT_I32_SINT:
		154	*/
		155
		156	case PIPE_FORMAT_R32_FLOAT:
		157	case PIPE_FORMAT_A32_FLOAT:
		158	case PIPE_FORMAT_L32_FLOAT:
		159	case PIPE_FORMAT_I32_FLOAT:
		160	case PIPE_FORMAT_Z32_FLOAT:
		161	return VFMT_FLOAT_32;
		162
		163	case PIPE_FORMAT_R32_FIXED:
		164	return VFMT_FIXED_32;
		165
		166	/* 64-bit buffers. */
		167	case PIPE_FORMAT_R16G16B16A16_UNORM:
		168	return VFMT_NORM_USHORT_16_16_16_16;
		169
		170	case PIPE_FORMAT_R16G16B16A16_SNORM:
		171	return VFMT_NORM_SHORT_16_16_16_16;
		172
		173	case PIPE_FORMAT_R16G16B16A16_UINT:
		174	return VFMT_USHORT_16_16_16_16;
		175
		176	case PIPE_FORMAT_R16G16B16A16_SINT:
		177	return VFMT_SHORT_16_16_16_16;
		178
		179	case PIPE_FORMAT_R32G32_FLOAT:
		180	case PIPE_FORMAT_L32A32_FLOAT:
		181	return VFMT_FLOAT_32_32;
		182
		183	case PIPE_FORMAT_R32G32_FIXED:
		184	return VFMT_FIXED_32_32;
		185
		186	/* TODO probably need gles3 blob drivers to find the 32bit int formats:
		187	case PIPE_FORMAT_R32G32_SINT:
		188	case PIPE_FORMAT_R32G32_UINT:
		189	case PIPE_FORMAT_L32A32_UINT:
		190	case PIPE_FORMAT_L32A32_SINT:
		191	*/
		192
		193	/* 96-bit buffers. */
		194	case PIPE_FORMAT_R32G32B32_FLOAT:
		195	return VFMT_FLOAT_32_32_32;
		196
		197	case PIPE_FORMAT_R32G32B32_FIXED:
		198	return VFMT_FIXED_32_32_32;
		199
		200	/* 128-bit buffers. */
		201	case PIPE_FORMAT_R32G32B32A32_FLOAT:
		202	return VFMT_FLOAT_32_32_32_32;
		203
		204	case PIPE_FORMAT_R32G32B32A32_FIXED:
		205	return VFMT_FIXED_32_32_32_32;
		206
		207	/* TODO probably need gles3 blob drivers to find the 32bit int formats:
		208	case PIPE_FORMAT_R32G32B32A32_SNORM:
		209	case PIPE_FORMAT_R32G32B32A32_UNORM:
		210	case PIPE_FORMAT_R32G32B32A32_SINT:
		211	case PIPE_FORMAT_R32G32B32A32_UINT:
		212	*/
		213
		214	default:
		215	return ~0;
		216	}
		217	}
		218
		219	/* convert pipe format to texture sampler format: */
		220	enum a3xx_tex_fmt
		221	fd3_pipe2tex(enum pipe_format format)
		222	{
		223	switch (format) {
		224	case PIPE_FORMAT_L8_UNORM:
		225	case PIPE_FORMAT_A8_UNORM:
		226	case PIPE_FORMAT_I8_UNORM:
		227	return TFMT_NORM_UINT_8;
		228
		229	case PIPE_FORMAT_B8G8R8A8_UNORM:
		230	case PIPE_FORMAT_B8G8R8X8_UNORM:
		231	return TFMT_NORM_UINT_8_8_8_8;
		232
		233	case PIPE_FORMAT_Z24X8_UNORM:
		234	return TFMT_NORM_UINT_X8Z24;
		235
		236	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
		237	return TFMT_NORM_UINT_8_8_8_8;
		238
		239	case PIPE_FORMAT_Z16_UNORM:
		240	return TFMT_NORM_UINT_8_8;
		241
		242	// TODO add more..
		243
		244	default:
		245	return ~0;
		246	}
		247	}
		248
		249	enum a3xx_tex_fetchsize
		250	fd3_pipe2fetchsize(enum pipe_format format)
		251	{
		252	switch (format) {
		253	case PIPE_FORMAT_L8_UNORM:
		254	case PIPE_FORMAT_A8_UNORM:
		255	case PIPE_FORMAT_I8_UNORM:
		256	return TFETCH_1_BYTE;
		257
		258	case PIPE_FORMAT_Z16_UNORM:
		259	return TFETCH_2_BYTE;
		260
		261	case PIPE_FORMAT_B8G8R8A8_UNORM:
		262	case PIPE_FORMAT_B8G8R8X8_UNORM:
		263	case PIPE_FORMAT_Z24X8_UNORM:
		264	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
		265	return TFETCH_4_BYTE;
		266
		267	// TODO add more..
		268
		269	default:
		270	return TFETCH_DISABLE; /* save default */
		271	}
		272	}
		273
		274	/* convert pipe format to MRT / copydest format used for render-target: */
		275	enum a3xx_color_fmt
		276	fd3_pipe2color(enum pipe_format format)
		277	{
		278	switch (format) {
		279	case PIPE_FORMAT_B8G8R8A8_UNORM:
		280	case PIPE_FORMAT_B8G8R8X8_UNORM:
		281	return RB_R8G8B8A8_UNORM;
		282
		283	case PIPE_FORMAT_Z16_UNORM:
		284	return RB_Z16_UNORM;
		285
		286	case PIPE_FORMAT_Z24X8_UNORM:
		287	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
		288	/* for DEPTHX_24_8, blob driver also seems to use R8G8B8A8 fmt.. */
		289	return RB_R8G8B8A8_UNORM;
		290
		291	case PIPE_FORMAT_R8_UNORM:
		292	case PIPE_FORMAT_L8_UNORM:
		293	return RB_A8_UNORM;
		294
		295	// TODO add more..
		296
		297	default:
		298	return ~0;
		299	}
		300	}
		301
		302	enum a3xx_color_swap
		303	fd3_pipe2swap(enum pipe_format format)
		304	{
		305	switch (format) {
		306	case PIPE_FORMAT_B8G8R8A8_UNORM:
		307	case PIPE_FORMAT_B8G8R8X8_UNORM:
		308	return WXYZ;
4401	Serge	309
		310	case PIPE_FORMAT_R8G8B8A8_UNORM:
		311	case PIPE_FORMAT_R8G8B8X8_UNORM:
4358	Serge	312	case PIPE_FORMAT_Z24X8_UNORM:
		313	case PIPE_FORMAT_Z24_UNORM_S8_UINT:
		314	default:
		315	return WZYX;
		316	}
		317	}
		318
		319	static inline enum a3xx_tex_swiz
		320	tex_swiz(unsigned swiz)
		321	{
		322	switch (swiz) {
		323	default:
		324	case PIPE_SWIZZLE_RED: return A3XX_TEX_X;
		325	case PIPE_SWIZZLE_GREEN: return A3XX_TEX_Y;
		326	case PIPE_SWIZZLE_BLUE: return A3XX_TEX_Z;
		327	case PIPE_SWIZZLE_ALPHA: return A3XX_TEX_W;
		328	case PIPE_SWIZZLE_ZERO: return A3XX_TEX_ZERO;
		329	case PIPE_SWIZZLE_ONE: return A3XX_TEX_ONE;
		330	}
		331	}
		332
		333	uint32_t
		334	fd3_tex_swiz(enum pipe_format format, unsigned swizzle_r, unsigned swizzle_g,
		335	unsigned swizzle_b, unsigned swizzle_a)
		336	{
		337	const struct util_format_description *desc =
		338	util_format_description(format);
		339	uint8_t swiz[] = {
		340	swizzle_r, swizzle_g, swizzle_b, swizzle_a,
		341	PIPE_SWIZZLE_ZERO, PIPE_SWIZZLE_ONE,
		342	PIPE_SWIZZLE_ONE, PIPE_SWIZZLE_ONE,
		343	};
		344
		345	return A3XX_TEX_CONST_0_SWIZ_X(tex_swiz(swiz[desc->swizzle[0]])) \|
		346	A3XX_TEX_CONST_0_SWIZ_Y(tex_swiz(swiz[desc->swizzle[1]])) \|
		347	A3XX_TEX_CONST_0_SWIZ_Z(tex_swiz(swiz[desc->swizzle[2]])) \|
		348	A3XX_TEX_CONST_0_SWIZ_W(tex_swiz(swiz[desc->swizzle[3]]));
		349	}

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(root)/contrib/sdk/sources/Mesa/src/gallium/drivers/freedreno/a3xx/fd3_util.c – Rev 4401