src/gallium/drivers/r600/r600_screen.c - fp2-dev/platform/external/mesa3d - Gitiles

 /*
  * Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a
  * copy of this software and associated documentation files (the "Software"),
  * to deal in the Software without restriction, including without limitation
  * on the rights to use, copy, modify, merge, publish, distribute, sub
  * license, and/or sell copies of the Software, and to permit persons to whom
  * the Software is furnished to do so, subject to the following conditions:
  *
  * The above copyright notice and this permission notice (including the next
  * paragraph) shall be included in all copies or substantial portions of the
  * Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  * THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * Authors:
  *      Jerome Glisse
  *      Corbin Simpson
  */
 #include <stdio.h>
 #include "util/u_inlines.h"
 #include "util/u_format.h"
 #include "util/u_memory.h"
 #include "r600_screen.h"
 #include "r600_context.h"
 #include "r600_public.h"
 #include "r600_resource.h"
 #include "r600_state_inlines.h"

 static const char* r600_get_vendor(struct pipe_screen* pscreen)
 {
 	return "X.Org";
 }

 static const char* r600_get_name(struct pipe_screen* pscreen)
 {
 	struct r600_screen *screen = r600_screen(pscreen);
 	enum radeon_family family = radeon_get_family(screen->rw);

 	if (family >= CHIP_R600 && family < CHIP_RV770)
 		return "R600 (HD2XXX,HD3XXX)";
 	else if (family < CHIP_CEDAR)
 		return "R700 (HD4XXX)";
 	else
 		return "EVERGREEN";
 }

 static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
 {
 	switch (param) {
 	/* Supported features (boolean caps). */
 	case PIPE_CAP_NPOT_TEXTURES:
 	case PIPE_CAP_TWO_SIDED_STENCIL:
 	case PIPE_CAP_GLSL:
 	case PIPE_CAP_DUAL_SOURCE_BLEND:
 	case PIPE_CAP_ANISOTROPIC_FILTER:
 	case PIPE_CAP_POINT_SPRITE:
 	case PIPE_CAP_OCCLUSION_QUERY:
 	case PIPE_CAP_TEXTURE_SHADOW_MAP:
 	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
 	case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
 	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
 	case PIPE_CAP_SM3:
 	case PIPE_CAP_TEXTURE_SWIZZLE:
 	case PIPE_CAP_INDEP_BLEND_ENABLE:
 	case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
 	case PIPE_CAP_DEPTH_CLAMP:
 		return 1;

 	/* Unsupported features (boolean caps). */
 	case PIPE_CAP_TIMER_QUERY:
 	case PIPE_CAP_STREAM_OUTPUT:
 	case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
 		return 0;

 	/* Texturing. */
 	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
 	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
 	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
 		return 14;
 	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
 		/* FIXME allow this once infrastructure is there */
 		return 0;
 	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
 	case PIPE_CAP_MAX_COMBINED_SAMPLERS:
 		return 16;

 	/* Render targets. */
 	case PIPE_CAP_MAX_RENDER_TARGETS:
 		/* FIXME some r6xx are buggy and can only do 4 */
 		return 8;

 	/* Fragment coordinate conventions. */
 	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
 	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
 		return 1;
 	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
 	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
 		return 0;
 	default:
 		R600_ERR("r600: unknown param %d\n", param);
 		return 0;
 	}
 }

 static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
 {
 	switch(shader) {
 	case PIPE_SHADER_FRAGMENT:
 	case PIPE_SHADER_VERTEX:
 		break;
 	case PIPE_SHADER_GEOMETRY:
 		/* TODO: support and enable geometry programs */
 		return 0;
 	default:
 		/* TODO: support tessellation on Evergreen */
 		return 0;
 	}

 	/* TODO: all these should be fixed, since r600 surely supports much more! */
 	switch (param) {
 	case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
 	case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
 	case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
 	case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
 		return 16384;
 	case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
 		return 8; /* FIXME */
 	case PIPE_SHADER_CAP_MAX_INPUTS:
 		if(shader == PIPE_SHADER_FRAGMENT)
 			return 10;
 		else
 			return 16;
 	case PIPE_SHADER_CAP_MAX_TEMPS:
 		return 256; //max native temporaries
 	case PIPE_SHADER_CAP_MAX_ADDRS:
 		return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
 	case PIPE_SHADER_CAP_MAX_CONSTS:
 		return 256; //max native parameters
 	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
 		return 1;
 	case PIPE_SHADER_CAP_MAX_PREDS:
 		return 0; /* FIXME */
 	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
 		return 1;
 	default:
 		return 0;
 	}
 }

 static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
 {
 	switch (param) {
 	case PIPE_CAP_MAX_LINE_WIDTH:
 	case PIPE_CAP_MAX_LINE_WIDTH_AA:
 	case PIPE_CAP_MAX_POINT_WIDTH:
 	case PIPE_CAP_MAX_POINT_WIDTH_AA:
 		return 8192.0f;
 	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
 		return 16.0f;
 	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
 		return 16.0f;
 	default:
 		R600_ERR("r600: unsupported paramf %d\n", param);
 		return 0.0f;
 	}
 }

 static boolean r600_is_format_supported(struct pipe_screen* screen,
 					enum pipe_format format,
 					enum pipe_texture_target target,
 					unsigned sample_count,
 					unsigned usage,
 					unsigned geom_flags)
 {
 	unsigned retval = 0;
 	if (target >= PIPE_MAX_TEXTURE_TYPES) {
 		R600_ERR("r600: unsupported texture type %d\n", target);
 		return FALSE;
 	}

 	/* Multisample */
 	if (sample_count > 1)
 		return FALSE;

 	if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
 	    r600_is_sampler_format_supported(format)) {
 		retval |= PIPE_BIND_SAMPLER_VIEW;
 	}

 	if ((usage & (PIPE_BIND_RENDER_TARGET |
                   PIPE_BIND_DISPLAY_TARGET |
                   PIPE_BIND_SCANOUT |
                   PIPE_BIND_SHARED)) &&
 	    r600_is_colorbuffer_format_supported(format)) {
 		retval |= usage &
 			(PIPE_BIND_RENDER_TARGET |
 			 PIPE_BIND_DISPLAY_TARGET |
 			 PIPE_BIND_SCANOUT |
 			 PIPE_BIND_SHARED);
 	}

 	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
 	    r600_is_zs_format_supported(format)) {
 		retval |= PIPE_BIND_DEPTH_STENCIL;
 	}

 	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
 	    r600_is_vertex_format_supported(format))
 		retval |= PIPE_BIND_VERTEX_BUFFER;

 	if (usage & PIPE_BIND_TRANSFER_READ)
 		retval |= PIPE_BIND_TRANSFER_READ;
 	if (usage & PIPE_BIND_TRANSFER_WRITE)
 		retval |= PIPE_BIND_TRANSFER_WRITE;

 	return retval == usage;
 }

 static void r600_destroy_screen(struct pipe_screen* pscreen)
 {
 	struct r600_screen* rscreen = r600_screen(pscreen);

 	if (rscreen == NULL)
 		return;
 	FREE(rscreen);
 }

 struct pipe_screen *r600_screen_create(struct radeon *rw)
 {
 	struct r600_screen* rscreen;
 	enum radeon_family family = radeon_get_family(rw);

 	rscreen = CALLOC_STRUCT(r600_screen);
 	if (rscreen == NULL) {
 		return NULL;
 	}

 	/* don't enable mem constant for r600 yet */
 	rscreen->use_mem_constant = FALSE;

 	switch (family) {
 	case CHIP_R600:
 	case CHIP_RV610:
 	case CHIP_RV630:
 	case CHIP_RV670:
 	case CHIP_RV620:
 	case CHIP_RV635:
 	case CHIP_RS780:
 	case CHIP_RS880:
 		rscreen->chip_class = R600;
 		break;
 	case CHIP_RV770:
 	case CHIP_RV730:
 	case CHIP_RV710:
 	case CHIP_RV740:
 		rscreen->chip_class = R700;
 		break;
 	case CHIP_CEDAR:
 	case CHIP_REDWOOD:
 	case CHIP_JUNIPER:
 	case CHIP_CYPRESS:
 	case CHIP_HEMLOCK:
 		rscreen->chip_class = EVERGREEN;
 		rscreen->use_mem_constant = TRUE;
 		break;
 	default:
 		FREE(rscreen);
 		return NULL;
 	}
 	radeon_set_mem_constant(rw, rscreen->use_mem_constant);
 	rscreen->rw = rw;
 	rscreen->screen.winsys = (struct pipe_winsys*)rw;
 	rscreen->screen.destroy = r600_destroy_screen;
 	rscreen->screen.get_name = r600_get_name;
 	rscreen->screen.get_vendor = r600_get_vendor;
 	rscreen->screen.get_param = r600_get_param;
 	rscreen->screen.get_shader_param = r600_get_shader_param;
 	rscreen->screen.get_paramf = r600_get_paramf;
 	rscreen->screen.is_format_supported = r600_is_format_supported;
 	rscreen->screen.context_create = r600_create_context;
 	r600_init_screen_texture_functions(&rscreen->screen);
 	r600_init_screen_resource_functions(&rscreen->screen);
 	return &rscreen->screen;
 }
	/*
	* Copyright 2010 Jerome Glisse <glisse@freedesktop.org>
	*
	* Permission is hereby granted, free of charge, to any person obtaining a
	* copy of this software and associated documentation files (the "Software"),
	* to deal in the Software without restriction, including without limitation
	* on the rights to use, copy, modify, merge, publish, distribute, sub
	* license, and/or sell copies of the Software, and to permit persons to whom
	* the Software is furnished to do so, subject to the following conditions:
	*
	* The above copyright notice and this permission notice (including the next
	* paragraph) shall be included in all copies or substantial portions of the
	* Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	* FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
	* THE AUTHOR(S) AND/OR THEIR SUPPLIERS BE LIABLE FOR ANY CLAIM,
	* DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
	* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
	* USE OR OTHER DEALINGS IN THE SOFTWARE.
	*
	* Authors:
	* Jerome Glisse
	* Corbin Simpson
	*/
	#include <stdio.h>
	#include "util/u_inlines.h"
	#include "util/u_format.h"
	#include "util/u_memory.h"
	#include "r600_screen.h"
	#include "r600_context.h"
	#include "r600_public.h"
	#include "r600_resource.h"
	#include "r600_state_inlines.h"

	static const char* r600_get_vendor(struct pipe_screen* pscreen)
	{
	return "X.Org";
	}

	static const char* r600_get_name(struct pipe_screen* pscreen)
	{
	struct r600_screen *screen = r600_screen(pscreen);
	enum radeon_family family = radeon_get_family(screen->rw);

	if (family >= CHIP_R600 && family < CHIP_RV770)
	return "R600 (HD2XXX,HD3XXX)";
	else if (family < CHIP_CEDAR)
	return "R700 (HD4XXX)";
	else
	return "EVERGREEN";
	}

	static int r600_get_param(struct pipe_screen* pscreen, enum pipe_cap param)
	{
	switch (param) {
	/* Supported features (boolean caps). */
	case PIPE_CAP_NPOT_TEXTURES:
	case PIPE_CAP_TWO_SIDED_STENCIL:
	case PIPE_CAP_GLSL:
	case PIPE_CAP_DUAL_SOURCE_BLEND:
	case PIPE_CAP_ANISOTROPIC_FILTER:
	case PIPE_CAP_POINT_SPRITE:
	case PIPE_CAP_OCCLUSION_QUERY:
	case PIPE_CAP_TEXTURE_SHADOW_MAP:
	case PIPE_CAP_TEXTURE_MIRROR_CLAMP:
	case PIPE_CAP_TEXTURE_MIRROR_REPEAT:
	case PIPE_CAP_BLEND_EQUATION_SEPARATE:
	case PIPE_CAP_SM3:
	case PIPE_CAP_TEXTURE_SWIZZLE:
	case PIPE_CAP_INDEP_BLEND_ENABLE:
	case PIPE_CAP_DEPTHSTENCIL_CLEAR_SEPARATE:
	case PIPE_CAP_DEPTH_CLAMP:
	return 1;

	/* Unsupported features (boolean caps). */
	case PIPE_CAP_TIMER_QUERY:
	case PIPE_CAP_STREAM_OUTPUT:
	case PIPE_CAP_INDEP_BLEND_FUNC: /* FIXME allow this */
	return 0;

	/* Texturing. */
	case PIPE_CAP_MAX_TEXTURE_2D_LEVELS:
	case PIPE_CAP_MAX_TEXTURE_3D_LEVELS:
	case PIPE_CAP_MAX_TEXTURE_CUBE_LEVELS:
	return 14;
	case PIPE_CAP_MAX_VERTEX_TEXTURE_UNITS:
	/* FIXME allow this once infrastructure is there */
	return 0;
	case PIPE_CAP_MAX_TEXTURE_IMAGE_UNITS:
	case PIPE_CAP_MAX_COMBINED_SAMPLERS:
	return 16;

	/* Render targets. */
	case PIPE_CAP_MAX_RENDER_TARGETS:
	/* FIXME some r6xx are buggy and can only do 4 */
	return 8;

	/* Fragment coordinate conventions. */
	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_UPPER_LEFT:
	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_HALF_INTEGER:
	return 1;
	case PIPE_CAP_TGSI_FS_COORD_ORIGIN_LOWER_LEFT:
	case PIPE_CAP_TGSI_FS_COORD_PIXEL_CENTER_INTEGER:
	return 0;
	default:
	R600_ERR("r600: unknown param %d\n", param);
	return 0;
	}
	}

	static int r600_get_shader_param(struct pipe_screen* pscreen, unsigned shader, enum pipe_shader_cap param)
	{
	switch(shader) {
	case PIPE_SHADER_FRAGMENT:
	case PIPE_SHADER_VERTEX:
	break;
	case PIPE_SHADER_GEOMETRY:
	/* TODO: support and enable geometry programs */
	return 0;
	default:
	/* TODO: support tessellation on Evergreen */
	return 0;
	}

	/* TODO: all these should be fixed, since r600 surely supports much more! */
	switch (param) {
	case PIPE_SHADER_CAP_MAX_INSTRUCTIONS:
	case PIPE_SHADER_CAP_MAX_ALU_INSTRUCTIONS:
	case PIPE_SHADER_CAP_MAX_TEX_INSTRUCTIONS:
	case PIPE_SHADER_CAP_MAX_TEX_INDIRECTIONS:
	return 16384;
	case PIPE_SHADER_CAP_MAX_CONTROL_FLOW_DEPTH:
	return 8; /* FIXME */
	case PIPE_SHADER_CAP_MAX_INPUTS:
	if(shader == PIPE_SHADER_FRAGMENT)
	return 10;
	else
	return 16;
	case PIPE_SHADER_CAP_MAX_TEMPS:
	return 256; //max native temporaries
	case PIPE_SHADER_CAP_MAX_ADDRS:
	return 1; //max native address registers/* FIXME Isn't this equal to TEMPS? */
	case PIPE_SHADER_CAP_MAX_CONSTS:
	return 256; //max native parameters
	case PIPE_SHADER_CAP_MAX_CONST_BUFFERS:
	return 1;
	case PIPE_SHADER_CAP_MAX_PREDS:
	return 0; /* FIXME */
	case PIPE_SHADER_CAP_TGSI_CONT_SUPPORTED:
	return 1;
	default:
	return 0;
	}
	}

	static float r600_get_paramf(struct pipe_screen* pscreen, enum pipe_cap param)
	{
	switch (param) {
	case PIPE_CAP_MAX_LINE_WIDTH:
	case PIPE_CAP_MAX_LINE_WIDTH_AA:
	case PIPE_CAP_MAX_POINT_WIDTH:
	case PIPE_CAP_MAX_POINT_WIDTH_AA:
	return 8192.0f;
	case PIPE_CAP_MAX_TEXTURE_ANISOTROPY:
	return 16.0f;
	case PIPE_CAP_MAX_TEXTURE_LOD_BIAS:
	return 16.0f;
	default:
	R600_ERR("r600: unsupported paramf %d\n", param);
	return 0.0f;
	}
	}

	static boolean r600_is_format_supported(struct pipe_screen* screen,
	enum pipe_format format,
	enum pipe_texture_target target,
	unsigned sample_count,
	unsigned usage,
	unsigned geom_flags)
	{
	unsigned retval = 0;
	if (target >= PIPE_MAX_TEXTURE_TYPES) {
	R600_ERR("r600: unsupported texture type %d\n", target);
	return FALSE;
	}

	/* Multisample */
	if (sample_count > 1)
	return FALSE;

	if ((usage & PIPE_BIND_SAMPLER_VIEW) &&
	r600_is_sampler_format_supported(format)) {
	retval \|= PIPE_BIND_SAMPLER_VIEW;
	}

	if ((usage & (PIPE_BIND_RENDER_TARGET \|
	PIPE_BIND_DISPLAY_TARGET \|
	PIPE_BIND_SCANOUT \|
	PIPE_BIND_SHARED)) &&
	r600_is_colorbuffer_format_supported(format)) {
	retval \|= usage &
	(PIPE_BIND_RENDER_TARGET \|
	PIPE_BIND_DISPLAY_TARGET \|
	PIPE_BIND_SCANOUT \|
	PIPE_BIND_SHARED);
	}

	if ((usage & PIPE_BIND_DEPTH_STENCIL) &&
	r600_is_zs_format_supported(format)) {
	retval \|= PIPE_BIND_DEPTH_STENCIL;
	}

	if ((usage & PIPE_BIND_VERTEX_BUFFER) &&
	r600_is_vertex_format_supported(format))
	retval \|= PIPE_BIND_VERTEX_BUFFER;

	if (usage & PIPE_BIND_TRANSFER_READ)
	retval \|= PIPE_BIND_TRANSFER_READ;
	if (usage & PIPE_BIND_TRANSFER_WRITE)
	retval \|= PIPE_BIND_TRANSFER_WRITE;

	return retval == usage;
	}

	static void r600_destroy_screen(struct pipe_screen* pscreen)
	{
	struct r600_screen* rscreen = r600_screen(pscreen);

	if (rscreen == NULL)
	return;
	FREE(rscreen);
	}

	struct pipe_screen r600_screen_create(struct radeon rw)
	{
	struct r600_screen* rscreen;
	enum radeon_family family = radeon_get_family(rw);

	rscreen = CALLOC_STRUCT(r600_screen);
	if (rscreen == NULL) {
	return NULL;
	}

	/* don't enable mem constant for r600 yet */
	rscreen->use_mem_constant = FALSE;

	switch (family) {
	case CHIP_R600:
	case CHIP_RV610:
	case CHIP_RV630:
	case CHIP_RV670:
	case CHIP_RV620:
	case CHIP_RV635:
	case CHIP_RS780:
	case CHIP_RS880:
	rscreen->chip_class = R600;
	break;
	case CHIP_RV770:
	case CHIP_RV730:
	case CHIP_RV710:
	case CHIP_RV740:
	rscreen->chip_class = R700;
	break;
	case CHIP_CEDAR:
	case CHIP_REDWOOD:
	case CHIP_JUNIPER:
	case CHIP_CYPRESS:
	case CHIP_HEMLOCK:
	rscreen->chip_class = EVERGREEN;
	rscreen->use_mem_constant = TRUE;
	break;
	default:
	FREE(rscreen);
	return NULL;
	}
	radeon_set_mem_constant(rw, rscreen->use_mem_constant);
	rscreen->rw = rw;
	rscreen->screen.winsys = (struct pipe_winsys*)rw;
	rscreen->screen.destroy = r600_destroy_screen;
	rscreen->screen.get_name = r600_get_name;
	rscreen->screen.get_vendor = r600_get_vendor;
	rscreen->screen.get_param = r600_get_param;
	rscreen->screen.get_shader_param = r600_get_shader_param;
	rscreen->screen.get_paramf = r600_get_paramf;
	rscreen->screen.is_format_supported = r600_is_format_supported;
	rscreen->screen.context_create = r600_create_context;
	r600_init_screen_texture_functions(&rscreen->screen);
	r600_init_screen_resource_functions(&rscreen->screen);
	return &rscreen->screen;
	}