brl/mutter
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity
87f979cfd8
mutter/cogl/cogl-journal-private.h

58 lines
1.9 KiB
C
Raw Normal View History

[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
/*
* Cogl
*
* An object oriented GL/GLES Abstraction/Utility Layer
*
* Copyright (C) 2007,2008,2009 Intel Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
Remove mentions of the FSF address Since using addresses that might change is something that finally the FSF acknowledge as a plausible scenario (after changing address twice), the license blurb in the source files should use the URI for getting the license in case the library did not come with it. Not that URIs cannot possibly change, but at least it's easier to set up a redirection at the same place. As a side note: this commit closes the oldes bug in Clutter's bug report tool. http://bugzilla.openedhand.com/show_bug.cgi?id=521
2010-03-01 12:56:10 +00:00
* License along with this library. If not, see <http://www.gnu.org/licenses/>.
*
*
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
*/
#ifndef __COGL_JOURNAL_PRIVATE_H
#define __COGL_JOURNAL_PRIVATE_H
#include "cogl-handle.h"
cogl-journal: Log the clip state in the journal When adding a new entry to the journal a reference is now taken on the current clip stack. Modifying the current clip state no longer causes a journal flush. The journal flushing code now has an extra stage to compare the clip state of each entry. The comparison can simply be done by comparing the pointers. Although different clip states will still end up with multiple draw calls this at leasts allows a scene comprising of multiple different clips to be upload with one vbo. It also lays the groundwork to do certain tricks when drawing clipped rectangles such as modifying the geometry instead of setting a clip state.
2010-11-02 17:35:17 +00:00
#include "cogl-clip-stack.h"
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
/* To improve batching of geometry when submitting vertices to OpenGL we
* log the texture rectangles we want to draw to a journal, so when we
* later flush the journal we aim to batch data, and gl draw calls. */
typedef struct _CoglJournalEntry
{
cogl: rename CoglMaterial -> CoglPipeline This applies an API naming change that's been deliberated over for a while now which is to rename CoglMaterial to CoglPipeline. For now the new pipeline API is marked as experimental and public headers continue to talk about materials not pipelines. The CoglMaterial API is now maintained in terms of the cogl_pipeline API internally. Currently this API is targeting Cogl 2.0 so we will have time to integrate it properly with other upcoming Cogl 2.0 work. The basic reasons for the rename are: - That the term "material" implies to many people that they are constrained to fragment processing; perhaps as some kind of high-level texture abstraction. - In Clutter they get exposed by ClutterTexture actors which may be re-inforcing this misconception. - When comparing how other frameworks use the term material, a material sometimes describes a multi-pass fragment processing technique which isn't the case in Cogl. - In code, "CoglPipeline" will hopefully be a much more self documenting summary of what these objects represent; a full GPU pipeline configuration including, for example, vertex processing, fragment processing and blending. - When considering the API documentation story, at some point we need a document introducing developers to how the "GPU pipeline" works so it should become intuitive that CoglPipeline maps back to that description of the GPU pipeline. - This is consistent in terminology and concept to OpenGL 4's new pipeline object which is a container for program objects. Note: The cogl-material.[ch] files have been renamed to cogl-material-compat.[ch] because otherwise git doesn't seem to treat the change as a moving the old cogl-material.c->cogl-pipeline.c and so we loose all our git-blame history.
2010-10-27 17:54:57 +00:00
CoglPipeline *pipeline;
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
int n_layers;
CoglMatrix model_view;
cogl-journal: Log the clip state in the journal When adding a new entry to the journal a reference is now taken on the current clip stack. Modifying the current clip state no longer causes a journal flush. The journal flushing code now has an extra stage to compare the clip state of each entry. The comparison can simply be done by comparing the pointers. Although different clip states will still end up with multiple draw calls this at leasts allows a scene comprising of multiple different clips to be upload with one vbo. It also lays the groundwork to do certain tricks when drawing clipped rectangles such as modifying the geometry instead of setting a clip state.
2010-11-02 17:35:17 +00:00
CoglClipStack *clip_stack;
cogl-journal: Attempt to clip manually to avoid breaking up batches Before flushing the journal there is now a separate iteration that will try to determine if the matrix of the clip stack and the matrix of the rectangle in each entry are on the same plane. If they are it can completely avoid the clip stack and instead manually modify the vertex and texture coordinates to implement the clip. The has the advantage that it won't break up batching if a single clipped rectangle is used in a scene. The software clip is only used if there is no user program and no texture matrices. There is a threshold to the size of the batch where it is assumed that it is worth the cost to break up a batch and program the GPU to do the clipping. Currently this is set to 8 although this figure is plucked out of thin air. To check whether the two matrices are on the same plane it tries to determine if one of the matrices is just a simple translation of the other. In the process of this it also works out what the translation would be. These values can be used to translate the clip rectangle into the coordinate space of the rectangle to be logged. Then we can do the clip directly in the rectangle's coordinate space.
2010-11-09 19:18:37 +00:00
/* Offset into ctx->logged_vertices */
size_t array_offset;
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
/* XXX: These entries are pretty big now considering the padding in
cogl: rename CoglMaterial -> CoglPipeline This applies an API naming change that's been deliberated over for a while now which is to rename CoglMaterial to CoglPipeline. For now the new pipeline API is marked as experimental and public headers continue to talk about materials not pipelines. The CoglMaterial API is now maintained in terms of the cogl_pipeline API internally. Currently this API is targeting Cogl 2.0 so we will have time to integrate it properly with other upcoming Cogl 2.0 work. The basic reasons for the rename are: - That the term "material" implies to many people that they are constrained to fragment processing; perhaps as some kind of high-level texture abstraction. - In Clutter they get exposed by ClutterTexture actors which may be re-inforcing this misconception. - When comparing how other frameworks use the term material, a material sometimes describes a multi-pass fragment processing technique which isn't the case in Cogl. - In code, "CoglPipeline" will hopefully be a much more self documenting summary of what these objects represent; a full GPU pipeline configuration including, for example, vertex processing, fragment processing and blending. - When considering the API documentation story, at some point we need a document introducing developers to how the "GPU pipeline" works so it should become intuitive that CoglPipeline maps back to that description of the GPU pipeline. - This is consistent in terminology and concept to OpenGL 4's new pipeline object which is a container for program objects. Note: The cogl-material.[ch] files have been renamed to cogl-material-compat.[ch] because otherwise git doesn't seem to treat the change as a moving the old cogl-material.c->cogl-pipeline.c and so we loose all our git-blame history.
2010-10-27 17:54:57 +00:00
* CoglPipelineFlushOptions and CoglMatrix, so we might need to optimize this
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
* later. */
} CoglJournalEntry;
void
cogl_rectangle: avoid redundant copy of geometry All the cogl_rectangle* APIs normalize their input into into an array of _CoglMutiTexturedRect rectangles and pass these on to our work horse; _cogl_rectangles_with_multitexture_coords. The definition of _CoglMutiTexturedRect had 4 separate float members, x_1, y_1, x_2 and y_2 which meant for some common cases we were having to copy out from an array into these members. We are now able to simply point into the users array avoiding a copy which seems desirable when submiting lots of rectangles.
2010-02-11 15:33:01 +00:00
_cogl_journal_log_quad (const float *position,
cogl: rename CoglMaterial -> CoglPipeline This applies an API naming change that's been deliberated over for a while now which is to rename CoglMaterial to CoglPipeline. For now the new pipeline API is marked as experimental and public headers continue to talk about materials not pipelines. The CoglMaterial API is now maintained in terms of the cogl_pipeline API internally. Currently this API is targeting Cogl 2.0 so we will have time to integrate it properly with other upcoming Cogl 2.0 work. The basic reasons for the rename are: - That the term "material" implies to many people that they are constrained to fragment processing; perhaps as some kind of high-level texture abstraction. - In Clutter they get exposed by ClutterTexture actors which may be re-inforcing this misconception. - When comparing how other frameworks use the term material, a material sometimes describes a multi-pass fragment processing technique which isn't the case in Cogl. - In code, "CoglPipeline" will hopefully be a much more self documenting summary of what these objects represent; a full GPU pipeline configuration including, for example, vertex processing, fragment processing and blending. - When considering the API documentation story, at some point we need a document introducing developers to how the "GPU pipeline" works so it should become intuitive that CoglPipeline maps back to that description of the GPU pipeline. - This is consistent in terminology and concept to OpenGL 4's new pipeline object which is a container for program objects. Note: The cogl-material.[ch] files have been renamed to cogl-material-compat.[ch] because otherwise git doesn't seem to treat the change as a moving the old cogl-material.c->cogl-pipeline.c and so we loose all our git-blame history.
2010-10-27 17:54:57 +00:00
CoglPipeline *pipeline,
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
int n_layers,
cogl-pipeline: Use layer overrides as CoglHandles instead of GLuint Since d5634e37 the sliced texture backend now works in terms of CoglTexture2Ds so there's no need to have special casing for overriding the texture of a pipeline layer with a GL handle. Instead we can just use cogl_pipeline_set_layer_texture with the CoglHandle. The special _cogl_pipeline_set_layer_gl_texture_slice function has now been removed and parts of the code for comparing materials have been simplified.
2010-11-11 16:18:25 +00:00
CoglHandle layer0_override_texture,
cogl: Make the callback for foreach_sub_texture_in_region use const The CoglTextureSliceCallback function pointer now takes const pointers for the texture coordinates. This makes it clearer that the callback should not modify the array and therefore the backend can use the same array for both sets of coords.
2009-12-02 17:17:24 +00:00
const float *tex_coords,
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
unsigned int tex_coords_len);
cogl: remove redundant _cogl_journal_flush prototype There was a redundant _cogl_journal_flush function prototype in cogl-primitives.h
2010-02-10 18:18:30 +00:00
void
_cogl_journal_flush (void);
[cogl-primitives] Split the journal out from cogl-primitives.c The Journal can be considered a standalone component, so even though it's currently only used to log quads, it seems better to split it out into its own file.
2009-09-16 13:01:57 +00:00
#endif /* __COGL_JOURNAL_PRIVATE_H */
Reference in New Issue Copy Permalink