+++ /dev/null
-/*
- * Copyright 2006-2012, Haiku, Inc. All rights reserved.
- * Distributed under the terms of the MIT License.
- *
- * Authors:
- * Jérôme Duval, korli@users.berlios.de
- * Philippe Houdoin, philippe.houdoin@free.fr
- * Artur Wyszynski, harakash@gmail.com
- * Alexander von Gluck, kallisti5@unixzen.com
- */
-
-
-#include <kernel/image.h>
-#include "SoftwareRast.h"
-
-#include <Autolock.h>
-#include <interface/DirectWindowPrivate.h>
-#include <GraphicsDefs.h>
-#include <Screen.h>
-#include <stdio.h>
-#include <string.h>
-
-extern "C" {
-#include "extensions.h"
-#include "drivers/common/driverfuncs.h"
-#include "drivers/common/meta.h"
-#include "main/api_exec.h"
-#include "main/colormac.h"
-#include "main/cpuinfo.h"
-#include "main/buffers.h"
-#include "main/formats.h"
-#include "main/framebuffer.h"
-#include "main/renderbuffer.h"
-#include "main/version.h"
-#include "main/vtxfmt.h"
-#include "swrast/swrast.h"
-#include "swrast/s_renderbuffer.h"
-#include "swrast_setup/swrast_setup.h"
-#include "tnl/tnl.h"
-#include "tnl/t_context.h"
-#include "tnl/t_pipeline.h"
-#include "vbo/vbo.h"
-
-
-#ifdef DEBUG
-# define TRACE(x...) printf("MesaSoftwareRast: " x)
-# define CALLED() printf("MesaSoftwareRast: %s\n", __PRETTY_FUNCTION__)
-#else
-# define TRACE(x...)
-# define CALLED()
-#endif
-
-#define ERROR(x...) printf("MesaSoftwareRast: " x)
-}
-
-
-extern const char* color_space_name(color_space space);
-
-
-extern "C" _EXPORT BGLRenderer*
-instantiate_gl_renderer(BGLView* view, ulong options,
- BGLDispatcher* dispatcher)
-{
- return new MesaSoftwareRast(view, options, dispatcher);
-}
-
-
-MesaSoftwareRast::MesaSoftwareRast(BGLView* view, ulong options,
- BGLDispatcher* dispatcher)
- : BGLRenderer(view, options, dispatcher),
- fBitmap(NULL),
- fDirectModeEnabled(false),
- fInfo(NULL),
- fInfoLocker("info locker"),
- fVisual(NULL),
- fFrameBuffer(NULL),
- fFrontRenderBuffer(NULL),
- fBackRenderBuffer(NULL),
- fColorSpace(B_NO_COLOR_SPACE)
-{
- CALLED();
-
- fColorSpace = BScreen(GLView()->Window()).ColorSpace();
-
- // We force single buffering for the time being
- options &= ~BGL_DOUBLE;
-
- const GLboolean rgbFlag = ((options & BGL_INDEX) == 0);
- const GLboolean alphaFlag = ((options & BGL_ALPHA) == BGL_ALPHA);
- const GLboolean dblFlag = ((options & BGL_DOUBLE) == BGL_DOUBLE);
- const GLboolean stereoFlag = false;
- const GLint depth = (options & BGL_DEPTH) ? 16 : 0;
- const GLint stencil = (options & BGL_STENCIL) ? 8 : 0;
- const GLint accum = (options & BGL_ACCUM) ? 16 : 0;
- const GLint red = rgbFlag ? 8 : 0;
- const GLint green = rgbFlag ? 8 : 0;
- const GLint blue = rgbFlag ? 8 : 0;
- const GLint alpha = alphaFlag ? 8 : 0;
-
- fOptions = options; // | BGL_INDIRECT;
- struct dd_function_table functions;
-
- fVisual = _mesa_create_visual(dblFlag, stereoFlag, red, green,
- blue, alpha, depth, stencil, accum, accum, accum,
- alpha ? accum : 0, 1);
-
- // Initialize device driver function table
- _mesa_init_driver_functions(&functions);
-
- functions.GetString = _GetString;
- functions.UpdateState = _UpdateState;
- functions.MapRenderbuffer = _RenderBufferMap;
- functions.Flush = _Flush;
-
- // create core context
- // We inherit gl_context to this class
- _mesa_initialize_context(this, API_OPENGL_COMPAT, fVisual, NULL,
- &functions);
-
- /* Initialize the software rasterizer and helper modules. */
- _swrast_CreateContext(this);
- _vbo_CreateContext(this);
- _tnl_CreateContext(this);
- _swsetup_CreateContext(this);
- _swsetup_Wakeup(this);
-
- // Use default TCL pipeline
- TNL_CONTEXT(this)->Driver.RunPipeline = _tnl_run_pipeline;
-
- _mesa_meta_init(this);
- _mesa_enable_sw_extensions(this);
-
- _mesa_compute_version(this);
-
- _mesa_initialize_dispatch_tables(this);
- _mesa_initialize_vbo_vtxfmt(this);
-
- // create core framebuffer
- fFrameBuffer = _mesa_create_framebuffer(fVisual);
- if (fFrameBuffer == NULL) {
- ERROR("%s: Unable to calloc GL FrameBuffer!\n", __func__);
- _mesa_destroy_visual(fVisual);
- return;
- }
-
- // Setup front render buffer
- fFrontRenderBuffer = _NewRenderBuffer(true);
- if (fFrontRenderBuffer == NULL) {
- ERROR("%s: FrontRenderBuffer is requested but unallocated!\n",
- __func__);
- _mesa_destroy_visual(fVisual);
- free(fFrameBuffer);
- return;
- }
- _mesa_add_renderbuffer(fFrameBuffer, BUFFER_FRONT_LEFT,
- &fFrontRenderBuffer->Base);
-
- // Setup back render buffer (if requested)
- if (fVisual->doubleBufferMode) {
- fBackRenderBuffer = _NewRenderBuffer(false);
- if (fBackRenderBuffer == NULL) {
- ERROR("%s: BackRenderBuffer is requested but unallocated!\n",
- __func__);
- _mesa_destroy_visual(fVisual);
- free(fFrameBuffer);
- return;
- }
- _mesa_add_renderbuffer(fFrameBuffer, BUFFER_BACK_LEFT,
- &fBackRenderBuffer->Base);
- }
-
- _swrast_add_soft_renderbuffers(fFrameBuffer, GL_FALSE,
- fVisual->haveDepthBuffer, fVisual->haveStencilBuffer,
- fVisual->haveAccumBuffer, alphaFlag, GL_FALSE);
-
- BRect bounds = view->Bounds();
- fWidth = (GLint)bounds.Width();
- fHeight = (GLint)bounds.Height();
-
- // some stupid applications (Quake2) don't even think about calling LockGL()
- // before using glGetString and its glGet*() friends...
- // so make sure there is at least a valid context.
-
- if (!_mesa_get_current_context()) {
- LockGL();
- // not needed, we don't have a looper yet: UnlockLooper();
- }
-}
-
-
-MesaSoftwareRast::~MesaSoftwareRast()
-{
- CALLED();
- _swsetup_DestroyContext(this);
- _swrast_DestroyContext(this);
- _tnl_DestroyContext(this);
- _vbo_DestroyContext(this);
- _mesa_destroy_visual(fVisual);
- _mesa_destroy_framebuffer(fFrameBuffer);
- _mesa_destroy_context(this);
-
- free(fInfo);
- free(fFrameBuffer);
-
- delete fBitmap;
-}
-
-
-void
-MesaSoftwareRast::LockGL()
-{
- CALLED();
- BGLRenderer::LockGL();
-
- _mesa_make_current(this, fFrameBuffer, fFrameBuffer);
-
- color_space colorSpace = BScreen(GLView()->Window()).ColorSpace();
-
- GLuint width = fWidth;
- GLuint height = fHeight;
-
- BAutolock lock(fInfoLocker);
- if (fDirectModeEnabled && fInfo != NULL) {
- width = fInfo->window_bounds.right
- - fInfo->window_bounds.left + 1;
- height = fInfo->window_bounds.bottom
- - fInfo->window_bounds.top + 1;
- }
-
- if (fColorSpace != colorSpace) {
- fColorSpace = colorSpace;
- _SetupRenderBuffer(&fFrontRenderBuffer->Base, fColorSpace);
- if (fVisual->doubleBufferMode)
- _SetupRenderBuffer(&fBackRenderBuffer->Base, fColorSpace);
- }
-
- _CheckResize(width, height);
-}
-
-
-void
-MesaSoftwareRast::UnlockGL()
-{
- CALLED();
- _mesa_make_current(this, NULL, NULL);
- BGLRenderer::UnlockGL();
-}
-
-
-void
-MesaSoftwareRast::SwapBuffers(bool VSync)
-{
- CALLED();
-
- if (!fBitmap)
- return;
-
- if (fVisual->doubleBufferMode)
- _mesa_notifySwapBuffers(this);
-
- if (!fDirectModeEnabled || fInfo == NULL) {
- if (GLView()->LockLooperWithTimeout(1000) == B_OK) {
- GLView()->DrawBitmap(fBitmap, B_ORIGIN);
- GLView()->UnlockLooper();
- }
- } else {
- // TODO: Here the BGLView needs to be drawlocked.
- _CopyToDirect();
- }
-
- if (VSync) {
- BScreen screen(GLView()->Window());
- screen.WaitForRetrace();
- }
-}
-
-
-void
-MesaSoftwareRast::Draw(BRect updateRect)
-{
- CALLED();
- if (fBitmap && (!fDirectModeEnabled || (fInfo == NULL)))
- GLView()->DrawBitmap(fBitmap, updateRect, updateRect);
-}
-
-
-status_t
-MesaSoftwareRast::CopyPixelsOut(BPoint location, BBitmap* bitmap)
-{
- CALLED();
- color_space scs = fBitmap->ColorSpace();
- color_space dcs = bitmap->ColorSpace();
-
- if (scs != dcs && (scs != B_RGBA32 || dcs != B_RGB32)) {
- fprintf(stderr, "CopyPixelsOut(): incompatible color space: %s != %s\n",
- color_space_name(scs),
- color_space_name(dcs));
- return B_BAD_TYPE;
- }
-
- BRect sr = fBitmap->Bounds();
- BRect dr = bitmap->Bounds();
-
- sr = sr & dr.OffsetBySelf(location);
- dr = sr.OffsetByCopy(-location.x, -location.y);
-
- uint8* ps = (uint8*)fBitmap->Bits();
- uint8* pd = (uint8*)bitmap->Bits();
- uint32* s;
- uint32* d;
- uint32 y;
- for (y = (uint32)sr.top; y <= (uint32)sr.bottom; y++) {
- s = (uint32*)(ps + y * fBitmap->BytesPerRow());
- s += (uint32)sr.left;
-
- d = (uint32*)(pd + (y + (uint32)(dr.top - sr.top))
- * bitmap->BytesPerRow());
- d += (uint32)dr.left;
-
- memcpy(d, s, dr.IntegerWidth() * 4);
- }
- return B_OK;
-}
-
-
-status_t
-MesaSoftwareRast::CopyPixelsIn(BBitmap* bitmap, BPoint location)
-{
- CALLED();
- color_space scs = bitmap->ColorSpace();
- color_space dcs = fBitmap->ColorSpace();
-
- if (scs != dcs && (dcs != B_RGBA32 || scs != B_RGB32)) {
- fprintf(stderr, "CopyPixelsIn(): incompatible color space: %s != %s\n",
- color_space_name(scs),
- color_space_name(dcs));
- return B_BAD_TYPE;
- }
-
- BRect sr = bitmap->Bounds();
- BRect dr = fBitmap->Bounds();
-
- sr = sr & dr.OffsetBySelf(location);
- dr = sr.OffsetByCopy(-location.x, -location.y);
-
- uint8* ps = (uint8*)bitmap->Bits();
- uint8* pd = (uint8*)fBitmap->Bits();
- uint32* s;
- uint32* d;
- uint32 y;
- for (y = (uint32)sr.top; y <= (uint32)sr.bottom; y++) {
- s = (uint32*)(ps + y * bitmap->BytesPerRow());
- s += (uint32)sr.left;
-
- d = (uint32*)(pd + (y + (uint32)(dr.top - sr.top))
- * fBitmap->BytesPerRow());
- d += (uint32)dr.left;
-
- memcpy(d, s, dr.IntegerWidth() * 4);
- }
- return B_OK;
-}
-
-
-void
-MesaSoftwareRast::EnableDirectMode(bool enabled)
-{
- fDirectModeEnabled = enabled;
-}
-
-
-void
-MesaSoftwareRast::DirectConnected(direct_buffer_info* info)
-{
- // TODO: I'm not sure we need to do this: BGLView already
- // keeps a local copy of the direct_buffer_info passed by
- // BDirectWindow::DirectConnected().
- BAutolock lock(fInfoLocker);
- if (info) {
- if (!fInfo) {
- fInfo = (direct_buffer_info*)malloc(DIRECT_BUFFER_INFO_AREA_SIZE);
- if (!fInfo)
- return;
- }
- memcpy(fInfo, info, DIRECT_BUFFER_INFO_AREA_SIZE);
- } else if (fInfo) {
- free(fInfo);
- fInfo = NULL;
- }
-}
-
-
-void
-MesaSoftwareRast::FrameResized(float width, float height)
-{
- BAutolock lock(fInfoLocker);
- _CheckResize((GLuint)width, (GLuint)height);
-}
-
-
-void
-MesaSoftwareRast::_CheckResize(GLuint newWidth, GLuint newHeight)
-{
- CALLED();
-
- if (fBitmap && newWidth == fWidth
- && newHeight == fHeight) {
- return;
- }
-
- _mesa_resize_framebuffer(this, fFrameBuffer, newWidth, newHeight);
- fHeight = newHeight;
- fWidth = newWidth;
-
- _AllocateBitmap();
-}
-
-
-void
-MesaSoftwareRast::_AllocateBitmap()
-{
- CALLED();
-
- // allocate new size of back buffer bitmap
- delete fBitmap;
- fBitmap = NULL;
-
- if (fWidth < 1 || fHeight < 1) {
- TRACE("%s: Cannot allocate bitmap < 1x1!\n", __func__);
- return;
- }
-
- BRect rect(0.0, 0.0, fWidth - 1, fHeight - 1);
- fBitmap = new BBitmap(rect, fColorSpace);
-
- #if 0
- // Used for platform optimized drawing
- for (uint i = 0; i < fHeight; i++) {
- fRowAddr[fHeight - i - 1] = (GLvoid *)((GLubyte *)fBitmap->Bits()
- + i * fBitmap->BytesPerRow());
- }
- #endif
-
- fFrameBuffer->Width = fWidth;
- fFrameBuffer->Height = fHeight;
- TRACE("%s: Bitmap Size: %" B_PRIu32 "\n", __func__, fBitmap->BitsLength());
-
- fFrontRenderBuffer->Buffer = (GLubyte*)fBitmap->Bits();
-}
-
-
-// #pragma mark - static
-
-
-const GLubyte*
-MesaSoftwareRast::_GetString(gl_context* ctx, GLenum name)
-{
- switch (name) {
- case GL_VENDOR:
- return (const GLubyte*) "Mesa Project";
- case GL_RENDERER:
- return (const GLubyte*) "Software Rasterizer";
- default:
- // Let core library handle all other cases
- return NULL;
- }
-}
-
-
-void
-MesaSoftwareRast::_UpdateState(gl_context* ctx, GLuint new_state)
-{
- if (!ctx)
- return;
-
- CALLED();
- _swrast_InvalidateState(ctx, new_state);
- _swsetup_InvalidateState(ctx, new_state);
- _vbo_InvalidateState(ctx, new_state);
- _tnl_InvalidateState(ctx, new_state);
-}
-
-
-GLboolean
-MesaSoftwareRast::_RenderBufferStorage(gl_context* ctx,
- struct gl_renderbuffer* render, GLenum internalFormat,
- GLuint width, GLuint height)
-{
- CALLED();
-
- render->Width = width;
- render->Height = height;
-
- struct swrast_renderbuffer *swRenderBuffer = swrast_renderbuffer(render);
-
- swRenderBuffer->RowStride = width * _mesa_get_format_bytes(render->Format);
-
- return GL_TRUE;
-}
-
-
-GLboolean
-MesaSoftwareRast::_RenderBufferStorageMalloc(gl_context* ctx,
- struct gl_renderbuffer* render, GLenum internalFormat,
- GLuint width, GLuint height)
-{
- CALLED();
-
- render->Width = width;
- render->Height = height;
-
- struct swrast_renderbuffer *swRenderBuffer = swrast_renderbuffer(render);
-
- if (swRenderBuffer != NULL) {
- free(swRenderBuffer->Buffer);
- swRenderBuffer->RowStride
- = width * _mesa_get_format_bytes(render->Format);
-
- uint32 size = swRenderBuffer->RowStride * height;
- TRACE("%s: Allocate %" B_PRIu32 " bytes for RenderBuffer\n",
- __func__, size);
- swRenderBuffer->Buffer = (GLubyte*)malloc(size);
- if (!swRenderBuffer->Buffer) {
- ERROR("%s: Memory allocation failure!\n", __func__);
- return GL_FALSE;
- }
- } else {
- ERROR("%s: Couldn't obtain software renderbuffer!\n",
- __func__);
- return GL_FALSE;
- }
-
- return GL_TRUE;
-}
-
-
-void
-MesaSoftwareRast::_Flush(gl_context* ctx)
-{
- CALLED();
- MesaSoftwareRast* driverContext = static_cast<MesaSoftwareRast*>(ctx);
-
- //MesaSoftwareRast* driverContext = (MesaSoftwareRast*)ctx->DriverCtx;
- if ((driverContext->fOptions & BGL_DOUBLE) == 0) {
- // TODO: SwapBuffers() can call _CopyToDirect(), which should
- // be always called with with the BGLView drawlocked.
- // This is not always the case if called from here.
- driverContext->SwapBuffers();
- }
-}
-
-
-struct swrast_renderbuffer*
-MesaSoftwareRast::_NewRenderBuffer(bool front)
-{
- CALLED();
- struct swrast_renderbuffer *swRenderBuffer
- = (struct swrast_renderbuffer*)calloc(1, sizeof *swRenderBuffer);
-
- if (!swRenderBuffer) {
- ERROR("%s: Failed calloc RenderBuffer\n", __func__);
- return NULL;
- }
-
- _mesa_init_renderbuffer(&swRenderBuffer->Base, 0);
-
- swRenderBuffer->Base.ClassID = HAIKU_SWRAST_RENDERBUFFER_CLASS;
- swRenderBuffer->Base.RefCount = 1;
- swRenderBuffer->Base.Delete = _RenderBufferDelete;
-
- if (!front)
- swRenderBuffer->Base.AllocStorage = _RenderBufferStorageMalloc;
- else
- swRenderBuffer->Base.AllocStorage = _RenderBufferStorage;
-
- if (_SetupRenderBuffer(&swRenderBuffer->Base, fColorSpace) != B_OK) {
- free(swRenderBuffer);
- return NULL;
- }
-
- return swRenderBuffer;
-}
-
-
-status_t
-MesaSoftwareRast::_SetupRenderBuffer(struct gl_renderbuffer* rb,
- color_space colorSpace)
-{
- CALLED();
-
- rb->InternalFormat = GL_RGBA;
-
- switch (colorSpace) {
- case B_RGBA32:
- rb->_BaseFormat = GL_RGBA;
- rb->Format = MESA_FORMAT_B8G8R8A8_UNORM;
- break;
- case B_RGB32:
- rb->_BaseFormat = GL_RGB;
- rb->Format = MESA_FORMAT_B8G8R8X8_UNORM;
- break;
- case B_RGB24:
- rb->_BaseFormat = GL_RGB;
- rb->Format = MESA_FORMAT_BGR_UNORM8;
- break;
- case B_RGB16:
- rb->_BaseFormat = GL_RGB;
- rb->Format = MESA_FORMAT_B5G6R5_UNORM;
- break;
- case B_RGB15:
- rb->_BaseFormat = GL_RGB;
- rb->Format = MESA_FORMAT_B5G5R5A1_UNORM;
- break;
- default:
- fprintf(stderr, "Unsupported screen color space %s\n",
- color_space_name(fColorSpace));
- debugger("Unsupported OpenGL color space");
- return B_ERROR;
- }
- return B_OK;
-}
-
-
-/*! Y inverted Map RenderBuffer function
- We use a BBitmap for storage which has Y inverted.
- If the Mesa provided Map function ever allows external
- control of this we can omit this function.
-*/
-void
-MesaSoftwareRast::_RenderBufferMap(gl_context *ctx,
- struct gl_renderbuffer *rb, GLuint x, GLuint y, GLuint w, GLuint h,
- GLbitfield mode, GLubyte **mapOut, GLint *rowStrideOut)
-{
- if (rb->ClassID == HAIKU_SWRAST_RENDERBUFFER_CLASS) {
- struct swrast_renderbuffer *srb = swrast_renderbuffer(rb);
- const GLuint bpp = _mesa_get_format_bytes(rb->Format);
- GLint rowStride = rb->Width * bpp; // in Bytes
-
- y = rb->Height - y - 1;
-
- *rowStrideOut = -rowStride;
- *mapOut = (GLubyte *) srb->Buffer + y * rowStride + x * bpp;
- } else {
- _swrast_map_soft_renderbuffer(ctx, rb, x, y, w, h, mode,
- mapOut, rowStrideOut);
- }
-}
-
-
-void
-MesaSoftwareRast::_RenderBufferDelete(struct gl_context *ctx,
- struct gl_renderbuffer* rb)
-{
- CALLED();
- if (rb != NULL) {
- struct swrast_renderbuffer *swRenderBuffer
- = swrast_renderbuffer(rb);
- if (swRenderBuffer != NULL)
- free(swRenderBuffer->Buffer);
- }
- free(rb);
-}
-
-
-void
-MesaSoftwareRast::_CopyToDirect()
-{
- BAutolock lock(fInfoLocker);
-
- // check the bitmap size still matches the size
- if (fInfo->window_bounds.bottom - fInfo->window_bounds.top
- != fBitmap->Bounds().IntegerHeight()
- || fInfo->window_bounds.right - fInfo->window_bounds.left
- != fBitmap->Bounds().IntegerWidth())
- return;
-
- uint8 bytesPerPixel = fInfo->bits_per_pixel / 8;
- uint32 bytesPerRow = fBitmap->BytesPerRow();
- for (uint32 i = 0; i < fInfo->clip_list_count; i++) {
- clipping_rect *clip = &fInfo->clip_list[i];
- int32 height = clip->bottom - clip->top + 1;
- int32 bytesWidth
- = (clip->right - clip->left + 1) * bytesPerPixel;
- uint8* p = (uint8*)fInfo->bits + clip->top
- * fInfo->bytes_per_row + clip->left * bytesPerPixel;
- uint8* b = (uint8*)fBitmap->Bits()
- + (clip->top - fInfo->window_bounds.top) * bytesPerRow
- + (clip->left - fInfo->window_bounds.left)
- * bytesPerPixel;
-
- for (int y = 0; y < height; y++) {
- memcpy(p, b, bytesWidth);
- p += fInfo->bytes_per_row;
- b += bytesPerRow;
- }
- }
-}
projects / mesa.git / commitdiff