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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 5564 | serge | 1 | /* |
| 2 | * Copyright 2006-2012, Haiku, Inc. All rights reserved. |
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| 3 | * Distributed under the terms of the MIT License. |
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| 4 | * |
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| 5 | * Authors: |
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| 6 | * Jérôme Duval, korli@users.berlios.de |
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| 7 | * Philippe Houdoin, philippe.houdoin@free.fr |
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| 8 | * Artur Wyszynski, harakash@gmail.com |
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| 9 | * Alexander von Gluck IV, kallisti5@unixzen.com |
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| 10 | */ |
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| 11 | |||
| 12 | |||
| 13 | #include "SoftwareRenderer.h" |
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| 14 | |||
| 15 | #include |
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| 16 | #include |
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| 17 | #include |
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| 18 | #include |
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| 19 | #include |
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| 20 | #include |
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| 21 | #include |
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| 22 | |||
| 23 | |||
| 24 | #ifdef DEBUG |
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| 25 | # define TRACE(x...) printf("SoftwareRenderer: " x) |
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| 26 | # define CALLED() TRACE("CALLED: %s\n", __PRETTY_FUNCTION__) |
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| 27 | #else |
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| 28 | # define TRACE(x...) |
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| 29 | # define CALLED() |
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| 30 | #endif |
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| 31 | #define ERROR(x...) printf("SoftwareRenderer: " x) |
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| 32 | |||
| 33 | |||
| 34 | extern const char* color_space_name(color_space space); |
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| 35 | |||
| 36 | |||
| 37 | extern "C" _EXPORT BGLRenderer* |
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| 38 | instantiate_gl_renderer(BGLView *view, ulong opts, BGLDispatcher *dispatcher) |
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| 39 | { |
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| 40 | return new SoftwareRenderer(view, opts, dispatcher); |
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| 41 | } |
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| 42 | |||
| 43 | SoftwareRenderer::SoftwareRenderer(BGLView *view, ulong options, |
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| 44 | BGLDispatcher* dispatcher) |
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| 45 | : |
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| 46 | BGLRenderer(view, options, dispatcher), |
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| 47 | fBitmap(NULL), |
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| 48 | fDirectModeEnabled(false), |
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| 49 | fInfo(NULL), |
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| 50 | fInfoLocker("info locker"), |
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| 51 | fOptions(options), |
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| 52 | fColorSpace(B_NO_COLOR_SPACE) |
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| 53 | { |
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| 54 | CALLED(); |
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| 55 | |||
| 56 | // Disable double buffer for the moment. |
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| 57 | //options &= ~BGL_DOUBLE; |
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| 58 | |||
| 59 | // Initialize the "Haiku Software GL Pipe" |
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| 60 | time_t beg; |
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| 61 | time_t end; |
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| 62 | beg = time(NULL); |
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| 63 | fContextObj = new GalliumContext(options); |
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| 64 | end = time(NULL); |
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| 65 | TRACE("Haiku Software GL Pipe initialization time: %f.\n", |
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| 66 | difftime(end, beg)); |
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| 67 | |||
| 68 | // Allocate a bitmap |
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| 69 | BRect b = view->Bounds(); |
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| 70 | fColorSpace = BScreen(view->Window()).ColorSpace(); |
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| 71 | TRACE("%s: Colorspace:\t%s\n", __func__, color_space_name(fColorSpace)); |
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| 72 | |||
| 73 | fWidth = (GLint)b.IntegerWidth(); |
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| 74 | fHeight = (GLint)b.IntegerHeight(); |
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| 75 | |||
| 76 | _AllocateBitmap(); |
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| 77 | |||
| 78 | // Initialize the first "Haiku Software GL Pipe" context |
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| 79 | beg = time(NULL); |
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| 80 | fContextID = fContextObj->CreateContext(fBitmap); |
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| 81 | end = time(NULL); |
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| 82 | |||
| 83 | if (fContextID < 0) |
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| 84 | ERROR("%s: There was an error creating the context!\n", __func__); |
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| 85 | else { |
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| 86 | TRACE("%s: Haiku Software GL Pipe context creation time: %f.\n", |
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| 87 | __func__, difftime(end, beg)); |
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| 88 | } |
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| 89 | |||
| 90 | if (!fContextObj->GetCurrentContext()) |
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| 91 | LockGL(); |
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| 92 | } |
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| 93 | |||
| 94 | |||
| 95 | SoftwareRenderer::~SoftwareRenderer() |
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| 96 | { |
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| 97 | CALLED(); |
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| 98 | |||
| 99 | if (fContextObj) |
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| 100 | delete fContextObj; |
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| 101 | if (fBitmap) |
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| 102 | delete fBitmap; |
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| 103 | } |
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| 104 | |||
| 105 | |||
| 106 | void |
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| 107 | SoftwareRenderer::LockGL() |
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| 108 | { |
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| 109 | // CALLED(); |
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| 110 | BGLRenderer::LockGL(); |
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| 111 | |||
| 112 | color_space cs = BScreen(GLView()->Window()).ColorSpace(); |
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| 113 | |||
| 114 | BAutolock lock(fInfoLocker); |
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| 115 | if (fDirectModeEnabled && fInfo != NULL) { |
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| 116 | fWidth = fInfo->window_bounds.right - fInfo->window_bounds.left; |
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| 117 | fHeight = fInfo->window_bounds.bottom - fInfo->window_bounds.top; |
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| 118 | } |
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| 119 | |||
| 120 | if (fBitmap && cs == fColorSpace && fContextObj->Validate(fWidth, fHeight)) { |
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| 121 | fContextObj->SetCurrentContext(fBitmap, fContextID); |
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| 122 | return; |
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| 123 | } |
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| 124 | |||
| 125 | fColorSpace = cs; |
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| 126 | |||
| 127 | _AllocateBitmap(); |
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| 128 | fContextObj->SetCurrentContext(fBitmap, fContextID); |
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| 129 | } |
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| 130 | |||
| 131 | |||
| 132 | void |
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| 133 | SoftwareRenderer::UnlockGL() |
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| 134 | { |
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| 135 | // CALLED(); |
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| 136 | if ((fOptions & BGL_DOUBLE) == 0) { |
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| 137 | SwapBuffers(); |
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| 138 | } |
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| 139 | fContextObj->SetCurrentContext(NULL, fContextID); |
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| 140 | BGLRenderer::UnlockGL(); |
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| 141 | } |
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| 142 | |||
| 143 | |||
| 144 | void |
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| 145 | SoftwareRenderer::SwapBuffers(bool vsync) |
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| 146 | { |
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| 147 | // CALLED(); |
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| 148 | if (!fBitmap) |
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| 149 | return; |
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| 150 | |||
| 151 | BScreen screen(GLView()->Window()); |
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| 152 | |||
| 153 | fContextObj->SwapBuffers(fContextID); |
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| 154 | |||
| 155 | BAutolock lock(fInfoLocker); |
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| 156 | |||
| 157 | if (!fDirectModeEnabled || fInfo == NULL) { |
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| 158 | if (GLView()->LockLooperWithTimeout(1000) == B_OK) { |
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| 159 | GLView()->DrawBitmap(fBitmap, B_ORIGIN); |
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| 160 | GLView()->UnlockLooper(); |
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| 161 | if (vsync) |
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| 162 | screen.WaitForRetrace(); |
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| 163 | } |
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| 164 | return; |
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| 165 | } |
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| 166 | |||
| 167 | // check the bitmap size still matches the size |
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| 168 | if (fInfo->window_bounds.bottom - fInfo->window_bounds.top |
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| 169 | != fBitmap->Bounds().IntegerHeight() |
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| 170 | || fInfo->window_bounds.right - fInfo->window_bounds.left |
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| 171 | != fBitmap->Bounds().IntegerWidth()) { |
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| 172 | ERROR("%s: Bitmap size doesn't match size!\n", __func__); |
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| 173 | return; |
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| 174 | } |
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| 175 | |||
| 176 | uint32 bytesPerRow = fBitmap->BytesPerRow(); |
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| 177 | uint8 bytesPerPixel = bytesPerRow / fBitmap->Bounds().IntegerWidth(); |
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| 178 | |||
| 179 | for (uint32 i = 0; i < fInfo->clip_list_count; i++) { |
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| 180 | clipping_rect *clip = &fInfo->clip_list[i]; |
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| 181 | int32 height = clip->bottom - clip->top + 1; |
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| 182 | int32 bytesWidth |
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| 183 | = (clip->right - clip->left + 1) * bytesPerPixel; |
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| 184 | bytesWidth -= bytesPerPixel; |
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| 185 | uint8 *p = (uint8 *)fInfo->bits + clip->top |
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| 186 | * fInfo->bytes_per_row + clip->left * bytesPerPixel; |
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| 187 | uint8 *b = (uint8 *)fBitmap->Bits() |
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| 188 | + (clip->top - fInfo->window_bounds.top) * bytesPerRow |
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| 189 | + (clip->left - fInfo->window_bounds.left) * bytesPerPixel; |
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| 190 | |||
| 191 | for (int y = 0; y < height - 1; y++) { |
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| 192 | memcpy(p, b, bytesWidth); |
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| 193 | p += fInfo->bytes_per_row; |
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| 194 | b += bytesPerRow; |
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| 195 | } |
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| 196 | } |
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| 197 | |||
| 198 | if (vsync) |
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| 199 | screen.WaitForRetrace(); |
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| 200 | } |
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| 201 | |||
| 202 | |||
| 203 | void |
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| 204 | SoftwareRenderer::Draw(BRect updateRect) |
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| 205 | { |
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| 206 | // CALLED(); |
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| 207 | if ((!fDirectModeEnabled || fInfo == NULL) && fBitmap) |
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| 208 | GLView()->DrawBitmap(fBitmap, updateRect, updateRect); |
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| 209 | } |
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| 210 | |||
| 211 | |||
| 212 | status_t |
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| 213 | SoftwareRenderer::CopyPixelsOut(BPoint location, BBitmap *bitmap) |
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| 214 | { |
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| 215 | CALLED(); |
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| 216 | color_space scs = fBitmap->ColorSpace(); |
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| 217 | color_space dcs = bitmap->ColorSpace(); |
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| 218 | |||
| 219 | if (scs != dcs && (scs != B_RGBA32 || dcs != B_RGB32)) { |
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| 220 | ERROR("%s::CopyPixelsOut(): incompatible color space: %s != %s\n", |
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| 221 | __PRETTY_FUNCTION__, color_space_name(scs), color_space_name(dcs)); |
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| 222 | return B_BAD_TYPE; |
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| 223 | } |
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| 224 | |||
| 225 | BRect sr = fBitmap->Bounds(); |
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| 226 | BRect dr = bitmap->Bounds(); |
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| 227 | |||
| 228 | // int32 w1 = sr.IntegerWidth(); |
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| 229 | // int32 h1 = sr.IntegerHeight(); |
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| 230 | // int32 w2 = dr.IntegerWidth(); |
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| 231 | // int32 h2 = dr.IntegerHeight(); |
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| 232 | |||
| 233 | sr = sr & dr.OffsetBySelf(location); |
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| 234 | dr = sr.OffsetByCopy(-location.x, -location.y); |
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| 235 | |||
| 236 | uint8 *ps = (uint8 *) fBitmap->Bits(); |
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| 237 | uint8 *pd = (uint8 *) bitmap->Bits(); |
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| 238 | uint32 *s, *d; |
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| 239 | uint32 y; |
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| 240 | for (y = (uint32) sr.top; y <= (uint32) sr.bottom; y++) { |
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| 241 | s = (uint32 *)(ps + y * fBitmap->BytesPerRow()); |
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| 242 | s += (uint32) sr.left; |
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| 243 | |||
| 244 | d = (uint32 *)(pd + (y + (uint32)(dr.top - sr.top)) |
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| 245 | * bitmap->BytesPerRow()); |
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| 246 | d += (uint32) dr.left; |
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| 247 | memcpy(d, s, dr.IntegerWidth() * 4); |
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| 248 | } |
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| 249 | |||
| 250 | return B_OK; |
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| 251 | } |
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| 252 | |||
| 253 | |||
| 254 | status_t |
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| 255 | SoftwareRenderer::CopyPixelsIn(BBitmap *bitmap, BPoint location) |
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| 256 | { |
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| 257 | CALLED(); |
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| 258 | |||
| 259 | color_space sourceCS = bitmap->ColorSpace(); |
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| 260 | color_space destinationCS = fBitmap->ColorSpace(); |
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| 261 | |||
| 262 | if (sourceCS != destinationCS |
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| 263 | && (sourceCS != B_RGB32 || destinationCS != B_RGBA32)) { |
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| 264 | ERROR("%s::CopyPixelsIn(): incompatible color space: %s != %s\n", |
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| 265 | __PRETTY_FUNCTION__, color_space_name(sourceCS), |
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| 266 | color_space_name(destinationCS)); |
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| 267 | return B_BAD_TYPE; |
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| 268 | } |
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| 269 | |||
| 270 | BRect sr = bitmap->Bounds(); |
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| 271 | BRect dr = fBitmap->Bounds(); |
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| 272 | |||
| 273 | sr = sr & dr.OffsetBySelf(location); |
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| 274 | dr = sr.OffsetByCopy(-location.x, -location.y); |
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| 275 | |||
| 276 | uint8 *ps = (uint8 *) bitmap->Bits(); |
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| 277 | uint8 *pd = (uint8 *) fBitmap->Bits(); |
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| 278 | uint32 *s, *d; |
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| 279 | uint32 y; |
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| 280 | |||
| 281 | for (y = (uint32) sr.top; y <= (uint32) sr.bottom; y++) { |
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| 282 | s = (uint32 *)(ps + y * bitmap->BytesPerRow()); |
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| 283 | s += (uint32) sr.left; |
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| 284 | |||
| 285 | d = (uint32 *)(pd + (y + (uint32)(dr.top - sr.top)) |
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| 286 | * fBitmap->BytesPerRow()); |
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| 287 | d += (uint32) dr.left; |
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| 288 | |||
| 289 | memcpy(d, s, dr.IntegerWidth() * 4); |
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| 290 | } |
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| 291 | |||
| 292 | return B_OK; |
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| 293 | } |
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| 294 | |||
| 295 | |||
| 296 | void |
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| 297 | SoftwareRenderer::EnableDirectMode(bool enabled) |
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| 298 | { |
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| 299 | fDirectModeEnabled = enabled; |
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| 300 | } |
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| 301 | |||
| 302 | |||
| 303 | void |
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| 304 | SoftwareRenderer::DirectConnected(direct_buffer_info *info) |
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| 305 | { |
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| 306 | // CALLED(); |
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| 307 | BAutolock lock(fInfoLocker); |
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| 308 | if (info) { |
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| 309 | if (!fInfo) { |
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| 310 | fInfo = (direct_buffer_info *)calloc(1, |
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| 311 | DIRECT_BUFFER_INFO_AREA_SIZE); |
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| 312 | } |
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| 313 | memcpy(fInfo, info, DIRECT_BUFFER_INFO_AREA_SIZE); |
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| 314 | } else if (fInfo) { |
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| 315 | free(fInfo); |
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| 316 | fInfo = NULL; |
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| 317 | } |
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| 318 | } |
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| 319 | |||
| 320 | |||
| 321 | void |
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| 322 | SoftwareRenderer::FrameResized(float width, float height) |
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| 323 | { |
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| 324 | TRACE("%s: %f x %f\n", __func__, width, height); |
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| 325 | |||
| 326 | BAutolock lock(fInfoLocker); |
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| 327 | fWidth = (GLuint)width; |
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| 328 | fHeight = (GLuint)height; |
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| 329 | } |
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| 330 | |||
| 331 | |||
| 332 | void |
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| 333 | SoftwareRenderer::_AllocateBitmap() |
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| 334 | { |
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| 335 | // CALLED(); |
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| 336 | |||
| 337 | // allocate new size of back buffer bitmap |
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| 338 | BAutolock lock(fInfoLocker); |
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| 339 | if (fBitmap) |
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| 340 | delete fBitmap; |
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| 341 | |||
| 342 | if (fWidth < 1 || fHeight < 1) { |
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| 343 | TRACE("%s: Can't allocate bitmap of %dx%d\n", __func__, |
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| 344 | fWidth, fHeight); |
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| 345 | return; |
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| 346 | } |
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| 347 | BRect rect(0.0, 0.0, fWidth, fHeight); |
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| 348 | fBitmap = new (std::nothrow) BBitmap(rect, fColorSpace); |
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| 349 | if (fBitmap == NULL) { |
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| 350 | TRACE("%s: Can't create bitmap!\n", __func__); |
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| 351 | return; |
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| 352 | } |
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| 353 | |||
| 354 | TRACE("%s: New bitmap size: %" B_PRId32 " x %" B_PRId32 "\n", __func__, |
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| 355 | fBitmap->Bounds().IntegerWidth(), fBitmap->Bounds().IntegerHeight()); |
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| 356 | |||
| 357 | #if 0 |
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| 358 | // debug.. |
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| 359 | void *data = fBitmap->Bits(); |
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| 360 | memset(data, 0xcc, fBitmap->BitsLength()); |
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| 361 | #endif |
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| 362 | } |