diff options
Diffstat (limited to 'src/mesa/drivers/dri/intel/intel_screen.c')
| -rw-r--r-- | src/mesa/drivers/dri/intel/intel_screen.c | 574 |
1 files changed, 574 insertions, 0 deletions
diff --git a/src/mesa/drivers/dri/intel/intel_screen.c b/src/mesa/drivers/dri/intel/intel_screen.c new file mode 100644 index 0000000000..15a465c640 --- /dev/null +++ b/src/mesa/drivers/dri/intel/intel_screen.c @@ -0,0 +1,574 @@ +/************************************************************************** + * + * Copyright 2003 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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 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 TUNGSTEN GRAPHICS AND/OR ITS 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. + * + **************************************************************************/ + +#include "main/glheader.h" +#include "main/context.h" +#include "main/framebuffer.h" +#include "main/renderbuffer.h" +#include "main/hash.h" +#include "main/fbobject.h" + +#include "utils.h" +#include "xmlpool.h" + +#include "intel_batchbuffer.h" +#include "intel_buffers.h" +#include "intel_bufmgr.h" +#include "intel_chipset.h" +#include "intel_fbo.h" +#include "intel_screen.h" +#include "intel_tex.h" +#include "intel_regions.h" + +#include "i915_drm.h" + +#define DRI_CONF_TEXTURE_TILING(def) \ + +PUBLIC const char __driConfigOptions[] = + DRI_CONF_BEGIN + DRI_CONF_SECTION_PERFORMANCE + DRI_CONF_VBLANK_MODE(DRI_CONF_VBLANK_ALWAYS_SYNC) + /* Options correspond to DRI_CONF_BO_REUSE_DISABLED, + * DRI_CONF_BO_REUSE_ALL + */ + DRI_CONF_OPT_BEGIN_V(bo_reuse, enum, 1, "0:1") + DRI_CONF_DESC_BEGIN(en, "Buffer object reuse") + DRI_CONF_ENUM(0, "Disable buffer object reuse") + DRI_CONF_ENUM(1, "Enable reuse of all sizes of buffer objects") + DRI_CONF_DESC_END + DRI_CONF_OPT_END + + DRI_CONF_OPT_BEGIN(texture_tiling, bool, true) + DRI_CONF_DESC(en, "Enable texture tiling") + DRI_CONF_OPT_END + + DRI_CONF_OPT_BEGIN(early_z, bool, false) + DRI_CONF_DESC(en, "Enable early Z in classic mode (unstable, 945-only).") + DRI_CONF_OPT_END + + DRI_CONF_OPT_BEGIN(fragment_shader, bool, false) + DRI_CONF_DESC(en, "Enable limited ARB_fragment_shader support on 915/945.") + DRI_CONF_OPT_END + + DRI_CONF_SECTION_END + DRI_CONF_SECTION_QUALITY + DRI_CONF_FORCE_S3TC_ENABLE(false) + DRI_CONF_ALLOW_LARGE_TEXTURES(2) + DRI_CONF_SECTION_END + DRI_CONF_SECTION_DEBUG + DRI_CONF_NO_RAST(false) + DRI_CONF_ALWAYS_FLUSH_BATCH(false) + DRI_CONF_ALWAYS_FLUSH_CACHE(false) + + DRI_CONF_OPT_BEGIN(stub_occlusion_query, bool, false) + DRI_CONF_DESC(en, "Enable stub ARB_occlusion_query support on 915/945.") + DRI_CONF_OPT_END + DRI_CONF_SECTION_END +DRI_CONF_END; + +const GLuint __driNConfigOptions = 11; + +#ifdef USE_NEW_INTERFACE +static PFNGLXCREATECONTEXTMODES create_context_modes = NULL; +#endif /*USE_NEW_INTERFACE */ + +static const __DRItexBufferExtension intelTexBufferExtension = { + { __DRI_TEX_BUFFER, __DRI_TEX_BUFFER_VERSION }, + intelSetTexBuffer, + intelSetTexBuffer2, +}; + +static void +intelDRI2Flush(__DRIdrawable *drawable) +{ + struct intel_context *intel = drawable->driContextPriv->driverPrivate; + + if (intel->gen < 4) + INTEL_FIREVERTICES(intel); + + intel->need_throttle = GL_TRUE; + + if (intel->batch->map != intel->batch->ptr) + intel_batchbuffer_flush(intel->batch); +} + +static const struct __DRI2flushExtensionRec intelFlushExtension = { + { __DRI2_FLUSH, __DRI2_FLUSH_VERSION }, + intelDRI2Flush, + dri2InvalidateDrawable, +}; + +static __DRIimage * +intel_create_image_from_name(__DRIcontext *context, + int width, int height, int format, + int name, int pitch, void *loaderPrivate) +{ + __DRIimage *image; + struct intel_context *intel = context->driverPrivate; + int cpp; + + image = CALLOC(sizeof *image); + if (image == NULL) + return NULL; + + switch (format) { + case __DRI_IMAGE_FORMAT_RGB565: + image->format = MESA_FORMAT_RGB565; + image->internal_format = GL_RGB; + image->data_type = GL_UNSIGNED_BYTE; + break; + case __DRI_IMAGE_FORMAT_XRGB8888: + image->format = MESA_FORMAT_XRGB8888; + image->internal_format = GL_RGB; + image->data_type = GL_UNSIGNED_BYTE; + break; + case __DRI_IMAGE_FORMAT_ARGB8888: + image->format = MESA_FORMAT_ARGB8888; + image->internal_format = GL_RGBA; + image->data_type = GL_UNSIGNED_BYTE; + break; + default: + free(image); + return NULL; + } + + image->data = loaderPrivate; + cpp = _mesa_get_format_bytes(image->format); + + image->region = intel_region_alloc_for_handle(intel, cpp, width, height, + pitch, name, "image"); + if (image->region == NULL) { + FREE(image); + return NULL; + } + + return image; +} + +static __DRIimage * +intel_create_image_from_renderbuffer(__DRIcontext *context, + int renderbuffer, void *loaderPrivate) +{ + __DRIimage *image; + struct intel_context *intel = context->driverPrivate; + struct gl_renderbuffer *rb; + struct intel_renderbuffer *irb; + + rb = _mesa_lookup_renderbuffer(&intel->ctx, renderbuffer); + if (!rb) { + _mesa_error(&intel->ctx, + GL_INVALID_OPERATION, "glRenderbufferExternalMESA"); + return NULL; + } + + irb = intel_renderbuffer(rb); + image = CALLOC(sizeof *image); + if (image == NULL) + return NULL; + + image->internal_format = rb->InternalFormat; + image->format = rb->Format; + image->data_type = rb->DataType; + image->data = loaderPrivate; + intel_region_reference(&image->region, irb->region); + + return image; +} + +static void +intel_destroy_image(__DRIimage *image) +{ + intel_region_release(&image->region); + FREE(image); +} + +static struct __DRIimageExtensionRec intelImageExtension = { + { __DRI_IMAGE, __DRI_IMAGE_VERSION }, + intel_create_image_from_name, + intel_create_image_from_renderbuffer, + intel_destroy_image, +}; + +static const __DRIextension *intelScreenExtensions[] = { + &driReadDrawableExtension, + &intelTexBufferExtension.base, + &intelFlushExtension.base, + &intelImageExtension.base, + &dri2ConfigQueryExtension.base, + NULL +}; + +static GLboolean +intel_get_param(__DRIscreen *psp, int param, int *value) +{ + int ret; + struct drm_i915_getparam gp; + + gp.param = param; + gp.value = value; + + ret = drmCommandWriteRead(psp->fd, DRM_I915_GETPARAM, &gp, sizeof(gp)); + if (ret) { + _mesa_warning(NULL, "drm_i915_getparam: %d", ret); + return GL_FALSE; + } + + return GL_TRUE; +} + +static void +nop_callback(GLuint key, void *data, void *userData) +{ +} + +static void +intelDestroyScreen(__DRIscreen * sPriv) +{ + struct intel_screen *intelScreen = sPriv->private; + + dri_bufmgr_destroy(intelScreen->bufmgr); + driDestroyOptionInfo(&intelScreen->optionCache); + + /* Some regions may still have references to them at this point, so + * flush the hash table to prevent _mesa_DeleteHashTable() from + * complaining about the hash not being empty; */ + _mesa_HashDeleteAll(intelScreen->named_regions, nop_callback, NULL); + _mesa_DeleteHashTable(intelScreen->named_regions); + + FREE(intelScreen); + sPriv->private = NULL; +} + + +/** + * This is called when we need to set up GL rendering to a new X window. + */ +static GLboolean +intelCreateBuffer(__DRIscreen * driScrnPriv, + __DRIdrawable * driDrawPriv, + const __GLcontextModes * mesaVis, GLboolean isPixmap) +{ + struct intel_renderbuffer *rb; + + if (isPixmap) { + return GL_FALSE; /* not implemented */ + } + else { + GLboolean swStencil = (mesaVis->stencilBits > 0 && + mesaVis->depthBits != 24); + gl_format rgbFormat; + + struct gl_framebuffer *fb = CALLOC_STRUCT(gl_framebuffer); + + if (!fb) + return GL_FALSE; + + _mesa_initialize_window_framebuffer(fb, mesaVis); + + if (mesaVis->redBits == 5) + rgbFormat = MESA_FORMAT_RGB565; + else if (mesaVis->alphaBits == 0) + rgbFormat = MESA_FORMAT_XRGB8888; + else + rgbFormat = MESA_FORMAT_ARGB8888; + + /* setup the hardware-based renderbuffers */ + rb = intel_create_renderbuffer(rgbFormat); + _mesa_add_renderbuffer(fb, BUFFER_FRONT_LEFT, &rb->Base); + + if (mesaVis->doubleBufferMode) { + rb = intel_create_renderbuffer(rgbFormat); + _mesa_add_renderbuffer(fb, BUFFER_BACK_LEFT, &rb->Base); + } + + if (mesaVis->depthBits == 24) { + assert(mesaVis->stencilBits == 8); + /* combined depth/stencil buffer */ + struct intel_renderbuffer *depthStencilRb + = intel_create_renderbuffer(MESA_FORMAT_S8_Z24); + /* note: bind RB to two attachment points */ + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthStencilRb->Base); + _mesa_add_renderbuffer(fb, BUFFER_STENCIL, &depthStencilRb->Base); + } + else if (mesaVis->depthBits == 16) { + /* just 16-bit depth buffer, no hw stencil */ + struct intel_renderbuffer *depthRb + = intel_create_renderbuffer(MESA_FORMAT_Z16); + _mesa_add_renderbuffer(fb, BUFFER_DEPTH, &depthRb->Base); + } + + /* now add any/all software-based renderbuffers we may need */ + _mesa_add_soft_renderbuffers(fb, + GL_FALSE, /* never sw color */ + GL_FALSE, /* never sw depth */ + swStencil, mesaVis->accumRedBits > 0, + GL_FALSE, /* never sw alpha */ + GL_FALSE /* never sw aux */ ); + driDrawPriv->driverPrivate = fb; + + return GL_TRUE; + } +} + +static void +intelDestroyBuffer(__DRIdrawable * driDrawPriv) +{ + struct gl_framebuffer *fb = driDrawPriv->driverPrivate; + + _mesa_reference_framebuffer(&fb, NULL); +} + +/* There are probably better ways to do this, such as an + * init-designated function to register chipids and createcontext + * functions. + */ +extern GLboolean i830CreateContext(const __GLcontextModes * mesaVis, + __DRIcontext * driContextPriv, + void *sharedContextPrivate); + +extern GLboolean i915CreateContext(int api, + const __GLcontextModes * mesaVis, + __DRIcontext * driContextPriv, + void *sharedContextPrivate); +extern GLboolean brwCreateContext(int api, + const __GLcontextModes * mesaVis, + __DRIcontext * driContextPriv, + void *sharedContextPrivate); + +static GLboolean +intelCreateContext(gl_api api, + const __GLcontextModes * mesaVis, + __DRIcontext * driContextPriv, + void *sharedContextPrivate) +{ + __DRIscreen *sPriv = driContextPriv->driScreenPriv; + struct intel_screen *intelScreen = sPriv->private; + +#ifdef I915 + if (IS_9XX(intelScreen->deviceID)) { + if (!IS_965(intelScreen->deviceID)) { + return i915CreateContext(api, mesaVis, driContextPriv, + sharedContextPrivate); + } + } else { + intelScreen->no_vbo = GL_TRUE; + return i830CreateContext(mesaVis, driContextPriv, sharedContextPrivate); + } +#else + if (IS_965(intelScreen->deviceID)) + return brwCreateContext(api, mesaVis, + driContextPriv, sharedContextPrivate); +#endif + fprintf(stderr, "Unrecognized deviceID %x\n", intelScreen->deviceID); + return GL_FALSE; +} + +static GLboolean +intel_init_bufmgr(struct intel_screen *intelScreen) +{ + __DRIscreen *spriv = intelScreen->driScrnPriv; + int num_fences = 0; + + intelScreen->no_hw = getenv("INTEL_NO_HW") != NULL; + + intelScreen->bufmgr = intel_bufmgr_gem_init(spriv->fd, BATCH_SZ); + /* Otherwise, use the classic buffer manager. */ + if (intelScreen->bufmgr == NULL) { + fprintf(stderr, "[%s:%u] Error initializing buffer manager.\n", + __func__, __LINE__); + return GL_FALSE; + } + + if (!intel_get_param(spriv, I915_PARAM_NUM_FENCES_AVAIL, &num_fences) || + num_fences == 0) { + fprintf(stderr, "[%s: %u] Kernel 2.6.29 required.\n", __func__, __LINE__); + return GL_FALSE; + } + + drm_intel_bufmgr_gem_enable_fenced_relocs(intelScreen->bufmgr); + + intelScreen->named_regions = _mesa_NewHashTable(); + + return GL_TRUE; +} + +/** + * This is the driver specific part of the createNewScreen entry point. + * Called when using DRI2. + * + * \return the __GLcontextModes supported by this driver + */ +static const +__DRIconfig **intelInitScreen2(__DRIscreen *psp) +{ + struct intel_screen *intelScreen; + GLenum fb_format[3]; + GLenum fb_type[3]; + unsigned int api_mask; + + static const GLenum back_buffer_modes[] = { + GLX_NONE, GLX_SWAP_UNDEFINED_OML, GLX_SWAP_COPY_OML + }; + uint8_t depth_bits[4], stencil_bits[4], msaa_samples_array[1]; + int color; + __DRIconfig **configs = NULL; + + /* Allocate the private area */ + intelScreen = CALLOC(sizeof *intelScreen); + if (!intelScreen) { + fprintf(stderr, "\nERROR! Allocating private area failed\n"); + return GL_FALSE; + } + /* parse information in __driConfigOptions */ + driParseOptionInfo(&intelScreen->optionCache, + __driConfigOptions, __driNConfigOptions); + + intelScreen->driScrnPriv = psp; + psp->private = (void *) intelScreen; + + /* Determine chipset ID */ + if (!intel_get_param(psp, I915_PARAM_CHIPSET_ID, + &intelScreen->deviceID)) + return GL_FALSE; + + api_mask = (1 << __DRI_API_OPENGL); +#if FEATURE_ES1 + api_mask |= (1 << __DRI_API_GLES); +#endif +#if FEATURE_ES2 + api_mask |= (1 << __DRI_API_GLES2); +#endif + + if (IS_9XX(intelScreen->deviceID) || IS_965(intelScreen->deviceID)) + psp->api_mask = api_mask; + + if (!intel_init_bufmgr(intelScreen)) + return GL_FALSE; + + psp->extensions = intelScreenExtensions; + + msaa_samples_array[0] = 0; + + fb_format[0] = GL_RGB; + fb_type[0] = GL_UNSIGNED_SHORT_5_6_5; + + fb_format[1] = GL_BGR; + fb_type[1] = GL_UNSIGNED_INT_8_8_8_8_REV; + + fb_format[2] = GL_BGRA; + fb_type[2] = GL_UNSIGNED_INT_8_8_8_8_REV; + + depth_bits[0] = 0; + stencil_bits[0] = 0; + + /* Generate a rich set of useful configs that do not include an + * accumulation buffer. + */ + for (color = 0; color < ARRAY_SIZE(fb_format); color++) { + __DRIconfig **new_configs; + int depth_factor; + + /* Starting with DRI2 protocol version 1.1 we can request a depth/stencil + * buffer that has a diffferent number of bits per pixel than the color + * buffer. This isn't yet supported here. + */ + if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) { + depth_bits[1] = 16; + stencil_bits[1] = 0; + } else { + depth_bits[1] = 24; + stencil_bits[1] = 8; + } + + depth_factor = 2; + + new_configs = driCreateConfigs(fb_format[color], fb_type[color], + depth_bits, + stencil_bits, + depth_factor, + back_buffer_modes, + ARRAY_SIZE(back_buffer_modes), + msaa_samples_array, + ARRAY_SIZE(msaa_samples_array), + GL_FALSE); + if (configs == NULL) + configs = new_configs; + else + configs = driConcatConfigs(configs, new_configs); + } + + /* Generate the minimum possible set of configs that include an + * accumulation buffer. + */ + for (color = 0; color < ARRAY_SIZE(fb_format); color++) { + __DRIconfig **new_configs; + + if (fb_type[color] == GL_UNSIGNED_SHORT_5_6_5) { + depth_bits[0] = 16; + stencil_bits[0] = 0; + } else { + depth_bits[0] = 24; + stencil_bits[0] = 8; + } + + new_configs = driCreateConfigs(fb_format[color], fb_type[color], + depth_bits, stencil_bits, 1, + back_buffer_modes + 1, 1, + msaa_samples_array, 1, + GL_TRUE); + if (configs == NULL) + configs = new_configs; + else + configs = driConcatConfigs(configs, new_configs); + } + + if (configs == NULL) { + fprintf(stderr, "[%s:%u] Error creating FBConfig!\n", __func__, + __LINE__); + return NULL; + } + + return (const __DRIconfig **)configs; +} + +const struct __DriverAPIRec driDriverAPI = { + .DestroyScreen = intelDestroyScreen, + .CreateContext = intelCreateContext, + .DestroyContext = intelDestroyContext, + .CreateBuffer = intelCreateBuffer, + .DestroyBuffer = intelDestroyBuffer, + .MakeCurrent = intelMakeCurrent, + .UnbindContext = intelUnbindContext, + .InitScreen2 = intelInitScreen2, +}; + +/* This is the table of extensions that the loader will dlsym() for. */ +PUBLIC const __DRIextension *__driDriverExtensions[] = { + &driCoreExtension.base, + &driDRI2Extension.base, + NULL +}; |