/**************************************************************************
*
- * Copyright 2006 Tungsten Graphics, Inc., Cedar Park, Texas.
+ * Copyright 2006 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* 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
+ * IN NO EVENT SHALL VMWARE 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 "glheader.h"
-#include "enums.h"
-#include "image.h"
-#include "colormac.h"
-#include "mtypes.h"
-#include "macros.h"
-#include "bufferobj.h"
+#include "main/glheader.h"
+#include "main/enums.h"
+#include "main/image.h"
+#include "main/colormac.h"
+#include "main/condrender.h"
+#include "main/mtypes.h"
+#include "main/macros.h"
+#include "main/pbo.h"
+#include "main/bufferobj.h"
+#include "main/state.h"
+#include "main/texobj.h"
+#include "main/context.h"
+#include "main/fbobject.h"
#include "swrast/swrast.h"
+#include "drivers/common/meta.h"
#include "intel_screen.h"
#include "intel_context.h"
-#include "intel_ioctl.h"
#include "intel_batchbuffer.h"
#include "intel_blit.h"
+#include "intel_fbo.h"
#include "intel_regions.h"
-#include "intel_buffer_objects.h"
-
+#include "intel_buffers.h"
+#include "intel_pixel.h"
+#include "intel_reg.h"
#define FILE_DEBUG_FLAG DEBUG_PIXEL
* PBO bitmaps. I think they are probably pretty rare though - I
* wonder if Xgl uses them?
*/
-static const GLubyte *map_pbo( GLcontext *ctx,
+static const GLubyte *map_pbo( struct gl_context *ctx,
GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap )
if (!_mesa_validate_pbo_access(2, unpack, width, height, 1,
GL_COLOR_INDEX, GL_BITMAP,
- (GLvoid *) bitmap)) {
+ INT_MAX, (const GLvoid *) bitmap)) {
_mesa_error(ctx, GL_INVALID_OPERATION,"glBitmap(invalid PBO access)");
return NULL;
}
- buf = (GLubyte *) ctx->Driver.MapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- GL_READ_ONLY_ARB,
- unpack->BufferObj);
+ buf = (GLubyte *) ctx->Driver.MapBufferRange(ctx, 0, unpack->BufferObj->Size,
+ GL_MAP_READ_BIT,
+ unpack->BufferObj,
+ MAP_INTERNAL);
if (!buf) {
_mesa_error(ctx, GL_INVALID_OPERATION, "glBitmap(PBO is mapped)");
return NULL;
return ADD_POINTERS(buf, bitmap);
}
-static GLboolean test_bit( const GLubyte *src,
- GLuint bit )
+static bool test_bit( const GLubyte *src, GLuint bit )
{
return (src[bit/8] & (1<<(bit % 8))) ? 1 : 0;
}
-static void set_bit( GLubyte *dest,
- GLuint bit )
+static void set_bit( GLubyte *dest, GLuint bit )
{
dest[bit/8] |= 1 << (bit % 8);
}
-static int align(int x, int align)
-{
- return (x + align - 1) & ~(align - 1);
-}
-
/* Extract a rectangle's worth of data from the bitmap. Called
- * per-cliprect.
+ * per chunk of HW-sized bitmap.
*/
static GLuint get_bitmap_rect(GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
GLuint w, GLuint h,
GLubyte *dest,
GLuint row_align,
- GLboolean invert)
+ bool invert)
{
GLuint src_offset = (x + unpack->SkipPixels) & 0x7;
GLuint mask = unpack->LsbFirst ? 0 : 7;
GLint incr;
GLuint count = 0;
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s %d,%d %dx%d bitmap %dx%d skip %d src_offset %d mask %d\n",
- __FUNCTION__, x,y,w,h,width,height,unpack->SkipPixels, src_offset, mask);
+ DBG("%s %d,%d %dx%d bitmap %dx%d skip %d src_offset %d mask %d\n",
+ __func__, x,y,w,h,width,height,unpack->SkipPixels, src_offset, mask);
if (invert) {
first = h-1;
}
if (row_align)
- bit = (bit + row_align - 1) & ~(row_align - 1);
+ bit = ALIGN(bit, row_align);
}
return count;
}
-
-
+/**
+ * Returns the low Y value of the vertical range given, flipped according to
+ * whether the framebuffer is or not.
+ */
+static inline int
+y_flip(struct gl_framebuffer *fb, int y, int height)
+{
+ if (_mesa_is_user_fbo(fb))
+ return y;
+ else
+ return fb->Height - y - height;
+}
/*
* Render a bitmap.
*/
-static GLboolean
-do_blit_bitmap( GLcontext *ctx,
+static bool
+do_blit_bitmap( struct gl_context *ctx,
GLint dstx, GLint dsty,
GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte *bitmap )
{
struct intel_context *intel = intel_context(ctx);
- struct intel_region *dst = intel_drawbuf_region(intel);
-
- union {
- GLuint ui;
- GLubyte ub[4];
- } color;
-
-
- if (unpack->BufferObj->Name) {
- bitmap = map_pbo(ctx, width, height, unpack, bitmap);
- if (bitmap == NULL)
- return GL_TRUE; /* even though this is an error, we're done */
+ struct gl_framebuffer *fb = ctx->DrawBuffer;
+ struct intel_renderbuffer *irb;
+ GLfloat tmpColor[4];
+ GLubyte ubcolor[4];
+ GLuint color;
+ GLsizei bitmap_width = width;
+ GLsizei bitmap_height = height;
+ GLint px, py;
+ GLuint stipple[32];
+ GLint orig_dstx = dstx;
+ GLint orig_dsty = dsty;
+
+ /* Update draw buffer bounds */
+ _mesa_update_state(ctx);
+
+ if (ctx->Depth.Test) {
+ /* The blit path produces incorrect results when depth testing is on.
+ * It seems the blit Z coord is always 1.0 (the far plane) so fragments
+ * will likely be obscured by other, closer geometry.
+ */
+ return false;
}
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[0], ctx->Current.RasterColor[2]);
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[1], ctx->Current.RasterColor[1]);
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[2], ctx->Current.RasterColor[0]);
- UNCLAMPED_FLOAT_TO_CHAN(color.ub[3], ctx->Current.RasterColor[3]);
-
- /* Does zoom apply to bitmaps?
- */
- if (!intel_check_blit_fragment_ops(ctx) ||
- ctx->Pixel.ZoomX != 1.0F ||
- ctx->Pixel.ZoomY != 1.0F)
- return GL_FALSE;
-
- LOCK_HARDWARE(intel);
-
- if (intel->driDrawable->numClipRects) {
- __DRIdrawablePrivate *dPriv = intel->driDrawable;
- drm_clip_rect_t *box = dPriv->pClipRects;
- drm_clip_rect_t dest_rect;
- GLint nbox = dPriv->numClipRects;
- GLint srcx = 0, srcy = 0;
- GLint orig_screen_x1, orig_screen_y2;
- GLuint i;
+ intel_prepare_render(intel);
+ if (fb->_NumColorDrawBuffers != 1) {
+ perf_debug("accelerated glBitmap() only supports rendering to a "
+ "single color buffer\n");
+ return false;
+ }
- orig_screen_x1 = dPriv->x + dstx;
- orig_screen_y2 = dPriv->y + (dPriv->h - dsty);
+ irb = intel_renderbuffer(fb->_ColorDrawBuffers[0]);
- /* Do scissoring in GL coordinates:
- */
-x if (ctx->Scissor.Enabled)
- {
- GLint x = ctx->Scissor.X;
- GLint y = ctx->Scissor.Y;
- GLuint w = ctx->Scissor.Width;
- GLuint h = ctx->Scissor.Height;
-
- if (!_mesa_clip_to_region(x, y, x+w-1, y+h-1, &dstx, &dsty, &width, &height))
- goto out;
- }
+ if (_mesa_is_bufferobj(unpack->BufferObj)) {
+ bitmap = map_pbo(ctx, width, height, unpack, bitmap);
+ if (bitmap == NULL)
+ return true; /* even though this is an error, we're done */
+ }
- /* Convert from GL to hardware coordinates:
- */
- dsty = dPriv->y + (dPriv->h - dsty - height);
- dstx = dPriv->x + dstx;
+ COPY_4V(tmpColor, ctx->Current.RasterColor);
- dest_rect.x1 = dstx;
- dest_rect.y1 = dsty;
- dest_rect.x2 = dstx + width;
- dest_rect.y2 = dsty + height;
+ if (_mesa_need_secondary_color(ctx)) {
+ ADD_3V(tmpColor, tmpColor, ctx->Current.RasterSecondaryColor);
+ }
- for (i = 0; i < nbox; i++) {
- drm_clip_rect_t rect;
- int box_w, box_h;
- GLint px, py;
- GLuint stipple[32];
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[0], tmpColor[0]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[1], tmpColor[1]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[2], tmpColor[2]);
+ UNCLAMPED_FLOAT_TO_UBYTE(ubcolor[3], tmpColor[3]);
+
+ switch (irb->mt->format) {
+ case MESA_FORMAT_B8G8R8A8_UNORM:
+ case MESA_FORMAT_B8G8R8X8_UNORM:
+ color = PACK_COLOR_8888(ubcolor[3], ubcolor[0], ubcolor[1], ubcolor[2]);
+ break;
+ case MESA_FORMAT_B5G6R5_UNORM:
+ color = PACK_COLOR_565(ubcolor[0], ubcolor[1], ubcolor[2]);
+ break;
+ default:
+ perf_debug("Unsupported format %s in accelerated glBitmap()\n",
+ _mesa_get_format_name(irb->mt->format));
+ return false;
+ }
- if (!intel_intersect_cliprects(&rect, &dest_rect, &box[i]))
- continue;
+ if (!intel_check_blit_fragment_ops(ctx, tmpColor[3] == 1.0F))
+ return false;
- /* Now go back to GL coordinates to figure out what subset of
- * the bitmap we are uploading for this cliprect:
- */
- box_w = rect.x2 - rect.x1;
- box_h = rect.y2 - rect.y1;
- srcx = rect.x1 - orig_screen_x1;
- srcy = orig_screen_y2 - rect.y2;
+ /* Clip to buffer bounds and scissor. */
+ if (!_mesa_clip_to_region(fb->_Xmin, fb->_Ymin,
+ fb->_Xmax, fb->_Ymax,
+ &dstx, &dsty, &width, &height))
+ goto out;
+ dsty = y_flip(fb, dsty, height);
#define DY 32
#define DX 32
- /* Then, finally, chop it all into chunks that can be
- * digested by hardware:
+ /* Chop it all into chunks that can be digested by hardware: */
+ for (py = 0; py < height; py += DY) {
+ for (px = 0; px < width; px += DX) {
+ int h = MIN2(DY, height - py);
+ int w = MIN2(DX, width - px);
+ GLuint sz = ALIGN(ALIGN(w,8) * h, 64)/8;
+ const enum gl_logicop_mode logic_op = ctx->Color.ColorLogicOpEnabled ?
+ ctx->Color._LogicOp : COLOR_LOGICOP_COPY;
+
+ assert(sz <= sizeof(stipple));
+ memset(stipple, 0, sz);
+
+ /* May need to adjust this when padding has been introduced in
+ * sz above:
+ *
+ * Have to translate destination coordinates back into source
+ * coordinates.
*/
- for (py = 0; py < box_h; py += DY) {
- for (px = 0; px < box_w; px += DX) {
- int h = MIN2(DY, box_h - py);
- int w = MIN2(DX, box_w - px);
- GLuint sz = align(align(w,8) * h, 64)/8;
-
- assert(sz <= sizeof(stipple));
- memset(stipple, 0, sz);
-
- /* May need to adjust this when padding has been introduced in
- * sz above:
- */
- if (get_bitmap_rect(width, height, unpack,
- bitmap,
- srcx + px, srcy + py, w, h,
- (GLubyte *)stipple,
- 8,
- GL_TRUE) == 0)
- continue;
-
- /*
- */
- intelEmitImmediateColorExpandBlit( intel,
- dst->cpp,
- (GLubyte *)stipple,
- sz,
- color.ui,
- dst->pitch,
- dst->buffer,
- 0,
- dst->tiled,
- rect.x1 + px,
- rect.y2 - (py + h),
- w, h);
- }
- }
+ int count = get_bitmap_rect(bitmap_width, bitmap_height, unpack,
+ bitmap,
+ -orig_dstx + (dstx + px),
+ -orig_dsty + y_flip(fb, dsty + py, h),
+ w, h,
+ (GLubyte *)stipple,
+ 8,
+ _mesa_is_winsys_fbo(fb));
+ if (count == 0)
+ continue;
+
+ if (!intelEmitImmediateColorExpandBlit(intel,
+ irb->mt->cpp,
+ (GLubyte *)stipple,
+ sz,
+ color,
+ irb->mt->region->pitch,
+ irb->mt->region->bo,
+ 0,
+ irb->mt->region->tiling,
+ dstx + px,
+ dsty + py,
+ w, h,
+ logic_op)) {
+ return false;
+ }
+
+ if (ctx->Query.CurrentOcclusionObject)
+ ctx->Query.CurrentOcclusionObject->Result += count;
}
- intel->need_flush = GL_TRUE;
- out:
- intel_batchbuffer_flush(intel->batch);
}
- UNLOCK_HARDWARE(intel);
+out:
+ if (unlikely(INTEL_DEBUG & DEBUG_SYNC))
+ intel_batchbuffer_flush(intel);
- if (unpack->BufferObj->Name) {
+ if (_mesa_is_bufferobj(unpack->BufferObj)) {
/* done with PBO so unmap it now */
- ctx->Driver.UnmapBuffer(ctx, GL_PIXEL_UNPACK_BUFFER_EXT,
- unpack->BufferObj);
+ ctx->Driver.UnmapBuffer(ctx, unpack->BufferObj, MAP_INTERNAL);
}
- return GL_TRUE;
-}
-
-
+ intel_check_front_buffer_rendering(intel);
+ return true;
+}
/* There are a large number of possible ways to implement bitmap on
* - Chop bitmap up into 32x32 squares and render w/polygon stipple.
*/
void
-intelBitmap(GLcontext * ctx,
+intelBitmap(struct gl_context * ctx,
GLint x, GLint y,
GLsizei width, GLsizei height,
const struct gl_pixelstore_attrib *unpack,
const GLubyte * pixels)
{
+ if (!_mesa_check_conditional_render(ctx))
+ return;
+
if (do_blit_bitmap(ctx, x, y, width, height,
unpack, pixels))
return;
- if (INTEL_DEBUG & DEBUG_PIXEL)
- _mesa_printf("%s: fallback to swrast\n", __FUNCTION__);
-
- _swrast_Bitmap(ctx, x, y, width, height, unpack, pixels);
+ _mesa_meta_Bitmap(ctx, x, y, width, height, unpack, pixels);
}
projects / mesa.git / blobdiff