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-rw-r--r--opengl/libagl/state.cpp598
1 files changed, 0 insertions, 598 deletions
diff --git a/opengl/libagl/state.cpp b/opengl/libagl/state.cpp
deleted file mode 100644
index 8bb7e83820..0000000000
--- a/opengl/libagl/state.cpp
+++ /dev/null
@@ -1,598 +0,0 @@
-/* libs/opengles/state.cpp
-**
-** Copyright 2006, The Android Open Source Project
-**
-** Licensed under the Apache License, Version 2.0 (the "License");
-** you may not use this file except in compliance with the License.
-** You may obtain a copy of the License at
-**
-** http://www.apache.org/licenses/LICENSE-2.0
-**
-** Unless required by applicable law or agreed to in writing, software
-** distributed under the License is distributed on an "AS IS" BASIS,
-** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-** See the License for the specific language governing permissions and
-** limitations under the License.
-*/
-
-#include <stdlib.h>
-
-#include "context.h"
-#include "fp.h"
-#include "state.h"
-#include "array.h"
-#include "matrix.h"
-#include "vertex.h"
-#include "light.h"
-#include "texture.h"
-#include "BufferObjectManager.h"
-#include "TextureObjectManager.h"
-
-namespace android {
-
-// ----------------------------------------------------------------------------
-
-static char const * const gVendorString = "Android";
-static char const * const gRendererString = "Android PixelFlinger 1.4";
-static char const * const gVersionString = "OpenGL ES-CM 1.0";
-static char const * const gExtensionsString =
- "GL_OES_byte_coordinates " // OK
- "GL_OES_fixed_point " // OK
- "GL_OES_single_precision " // OK
- "GL_OES_read_format " // OK
- "GL_OES_compressed_paletted_texture " // OK
- "GL_OES_draw_texture " // OK
- "GL_OES_matrix_get " // OK
- "GL_OES_query_matrix " // OK
- // "GL_OES_point_size_array " // TODO
- // "GL_OES_point_sprite " // TODO
- "GL_OES_EGL_image " // OK
- "GL_OES_EGL_sync " // OK
-#ifdef GL_OES_compressed_ETC1_RGB8_texture
- "GL_OES_compressed_ETC1_RGB8_texture " // OK
-#endif
- "GL_ARB_texture_compression " // OK
- "GL_ARB_texture_non_power_of_two " // OK
- "GL_ANDROID_user_clip_plane " // OK
- "GL_ANDROID_vertex_buffer_object " // OK
- "GL_ANDROID_generate_mipmap " // OK
- ;
-
-// ----------------------------------------------------------------------------
-#if 0
-#pragma mark -
-#endif
-
-ogles_context_t *ogles_init(size_t extra)
-{
- void* const base = malloc(extra + sizeof(ogles_context_t) + 32);
- if (!base) return 0;
-
- ogles_context_t *c =
- (ogles_context_t *)((ptrdiff_t(base) + extra + 31) & ~0x1FL);
- memset(c, 0, sizeof(ogles_context_t));
- ggl_init_context(&(c->rasterizer));
-
- // XXX: this should be passed as an argument
- sp<EGLSurfaceManager> smgr(new EGLSurfaceManager());
- c->surfaceManager = smgr.get();
- c->surfaceManager->incStrong(c);
-
- sp<EGLBufferObjectManager> bomgr(new EGLBufferObjectManager());
- c->bufferObjectManager = bomgr.get();
- c->bufferObjectManager->incStrong(c);
-
- ogles_init_array(c);
- ogles_init_matrix(c);
- ogles_init_vertex(c);
- ogles_init_light(c);
- ogles_init_texture(c);
-
- c->rasterizer.base = base;
- c->point.size = TRI_ONE;
- c->line.width = TRI_ONE;
-
- // in OpenGL, writing to the depth buffer is enabled by default.
- c->rasterizer.procs.depthMask(c, 1);
-
- // OpenGL enables dithering by default
- c->rasterizer.procs.enable(c, GL_DITHER);
-
- return c;
-}
-
-void ogles_uninit(ogles_context_t* c)
-{
- ogles_uninit_array(c);
- ogles_uninit_matrix(c);
- ogles_uninit_vertex(c);
- ogles_uninit_light(c);
- ogles_uninit_texture(c);
- c->surfaceManager->decStrong(c);
- c->bufferObjectManager->decStrong(c);
- ggl_uninit_context(&(c->rasterizer));
- free(c->rasterizer.base);
-}
-
-void _ogles_error(ogles_context_t* c, GLenum error)
-{
- if (c->error == GL_NO_ERROR)
- c->error = error;
-}
-
-static bool stencilop_valid(GLenum op) {
- switch (op) {
- case GL_KEEP:
- case GL_ZERO:
- case GL_REPLACE:
- case GL_INCR:
- case GL_DECR:
- case GL_INVERT:
- return true;
- }
- return false;
-}
-
-static void enable_disable(ogles_context_t* c, GLenum cap, int enabled)
-{
- if ((cap >= GL_LIGHT0) && (cap<GL_LIGHT0+OGLES_MAX_LIGHTS)) {
- c->lighting.lights[cap-GL_LIGHT0].enable = enabled;
- c->lighting.enabledLights &= ~(1<<(cap-GL_LIGHT0));
- c->lighting.enabledLights |= (enabled<<(cap-GL_LIGHT0));
- return;
- }
-
- switch (cap) {
- case GL_POINT_SMOOTH:
- c->point.smooth = enabled;
- break;
- case GL_LINE_SMOOTH:
- c->line.smooth = enabled;
- break;
- case GL_POLYGON_OFFSET_FILL:
- c->polygonOffset.enable = enabled;
- break;
- case GL_CULL_FACE:
- c->cull.enable = enabled;
- break;
- case GL_LIGHTING:
- c->lighting.enable = enabled;
- break;
- case GL_COLOR_MATERIAL:
- c->lighting.colorMaterial.enable = enabled;
- break;
- case GL_NORMALIZE:
- case GL_RESCALE_NORMAL:
- c->transforms.rescaleNormals = enabled ? cap : 0;
- // XXX: invalidate mvit
- break;
-
- case GL_CLIP_PLANE0:
- case GL_CLIP_PLANE1:
- case GL_CLIP_PLANE2:
- case GL_CLIP_PLANE3:
- case GL_CLIP_PLANE4:
- case GL_CLIP_PLANE5:
- c->clipPlanes.enable &= ~(1<<(cap-GL_CLIP_PLANE0));
- c->clipPlanes.enable |= (enabled<<(cap-GL_CLIP_PLANE0));
- ogles_invalidate_perspective(c);
- break;
-
- case GL_FOG:
- case GL_DEPTH_TEST:
- ogles_invalidate_perspective(c);
- [[fallthrough]];
- case GL_BLEND:
- case GL_SCISSOR_TEST:
- case GL_ALPHA_TEST:
- case GL_COLOR_LOGIC_OP:
- case GL_DITHER:
- case GL_STENCIL_TEST:
- case GL_TEXTURE_2D:
- // these need to fall through into the rasterizer
- c->rasterizer.procs.enableDisable(c, cap, enabled);
- break;
- case GL_TEXTURE_EXTERNAL_OES:
- c->rasterizer.procs.enableDisable(c, GL_TEXTURE_2D, enabled);
- break;
-
- case GL_MULTISAMPLE:
- case GL_SAMPLE_ALPHA_TO_COVERAGE:
- case GL_SAMPLE_ALPHA_TO_ONE:
- case GL_SAMPLE_COVERAGE:
- // not supported in this implementation
- break;
-
- default:
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
-}
-
-// ----------------------------------------------------------------------------
-}; // namespace android
-// ----------------------------------------------------------------------------
-using namespace android;
-
-#if 0
-#pragma mark -
-#endif
-
-// These ones are super-easy, we're not supporting those features!
-void glSampleCoverage(GLclampf /*value*/, GLboolean /*invert*/) {
-}
-void glSampleCoveragex(GLclampx /*value*/, GLboolean /*invert*/) {
-}
-void glStencilFunc(GLenum func, GLint /*ref*/, GLuint /*mask*/) {
- ogles_context_t* c = ogles_context_t::get();
- if (func < GL_NEVER || func > GL_ALWAYS) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
- // from OpenGL|ES 1.0 sepcification:
- // If there is no stencil buffer, no stencil modification can occur
- // and it is as if the stencil test always passes.
-}
-
-void glStencilOp(GLenum fail, GLenum zfail, GLenum zpass) {
- ogles_context_t* c = ogles_context_t::get();
- if ((stencilop_valid(fail) &
- stencilop_valid(zfail) &
- stencilop_valid(zpass)) == 0) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
-}
-
-// ----------------------------------------------------------------------------
-
-void glAlphaFunc(GLenum func, GLclampf ref)
-{
- glAlphaFuncx(func, gglFloatToFixed(ref));
-}
-
-void glCullFace(GLenum mode)
-{
- ogles_context_t* c = ogles_context_t::get();
- switch (mode) {
- case GL_FRONT:
- case GL_BACK:
- case GL_FRONT_AND_BACK:
- break;
- default:
- ogles_error(c, GL_INVALID_ENUM);
- }
- c->cull.cullFace = mode;
-}
-
-void glFrontFace(GLenum mode)
-{
- ogles_context_t* c = ogles_context_t::get();
- switch (mode) {
- case GL_CW:
- case GL_CCW:
- break;
- default:
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
- c->cull.frontFace = mode;
-}
-
-void glHint(GLenum target, GLenum mode)
-{
- ogles_context_t* c = ogles_context_t::get();
- switch (target) {
- case GL_FOG_HINT:
- case GL_GENERATE_MIPMAP_HINT:
- case GL_LINE_SMOOTH_HINT:
- break;
- case GL_POINT_SMOOTH_HINT:
- c->rasterizer.procs.enableDisable(c,
- GGL_POINT_SMOOTH_NICE, mode==GL_NICEST);
- break;
- case GL_PERSPECTIVE_CORRECTION_HINT:
- c->perspective = (mode == GL_NICEST) ? 1 : 0;
- break;
- default:
- ogles_error(c, GL_INVALID_ENUM);
- }
-}
-
-void glEnable(GLenum cap) {
- ogles_context_t* c = ogles_context_t::get();
- enable_disable(c, cap, 1);
-}
-void glDisable(GLenum cap) {
- ogles_context_t* c = ogles_context_t::get();
- enable_disable(c, cap, 0);
-}
-
-void glFinish()
-{ // nothing to do for our software implementation
-}
-
-void glFlush()
-{ // nothing to do for our software implementation
-}
-
-GLenum glGetError()
-{
- // From OpenGL|ES 1.0 specification:
- // If more than one flag has recorded an error, glGetError returns
- // and clears an arbitrary error flag value. Thus, glGetError should
- // always be called in a loop, until it returns GL_NO_ERROR,
- // if all error flags are to be reset.
-
- ogles_context_t* c = ogles_context_t::get();
- if (c->error) {
- const GLenum ret(c->error);
- c->error = 0;
- return ret;
- }
-
- if (c->rasterizer.error) {
- const GLenum ret(c->rasterizer.error);
- c->rasterizer.error = 0;
- return ret;
- }
-
- return GL_NO_ERROR;
-}
-
-const GLubyte* glGetString(GLenum string)
-{
- switch (string) {
- case GL_VENDOR: return (const GLubyte*)gVendorString;
- case GL_RENDERER: return (const GLubyte*)gRendererString;
- case GL_VERSION: return (const GLubyte*)gVersionString;
- case GL_EXTENSIONS: return (const GLubyte*)gExtensionsString;
- }
- ogles_context_t* c = ogles_context_t::get();
- ogles_error(c, GL_INVALID_ENUM);
- return 0;
-}
-
-void glGetIntegerv(GLenum pname, GLint *params)
-{
- int i;
- ogles_context_t* c = ogles_context_t::get();
- switch (pname) {
- case GL_ALIASED_POINT_SIZE_RANGE:
- params[0] = 0;
- params[1] = GGL_MAX_ALIASED_POINT_SIZE;
- break;
- case GL_ALIASED_LINE_WIDTH_RANGE:
- params[0] = 0;
- params[1] = GGL_MAX_ALIASED_POINT_SIZE;
- break;
- case GL_ALPHA_BITS: {
- int index = c->rasterizer.state.buffers.color.format;
- GGLFormat const * formats = gglGetPixelFormatTable();
- params[0] = formats[index].ah - formats[index].al;
- break;
- }
- case GL_RED_BITS: {
- int index = c->rasterizer.state.buffers.color.format;
- GGLFormat const * formats = gglGetPixelFormatTable();
- params[0] = formats[index].rh - formats[index].rl;
- break;
- }
- case GL_GREEN_BITS: {
- int index = c->rasterizer.state.buffers.color.format;
- GGLFormat const * formats = gglGetPixelFormatTable();
- params[0] = formats[index].gh - formats[index].gl;
- break;
- }
- case GL_BLUE_BITS: {
- int index = c->rasterizer.state.buffers.color.format;
- GGLFormat const * formats = gglGetPixelFormatTable();
- params[0] = formats[index].bh - formats[index].bl;
- break;
- }
- case GL_COMPRESSED_TEXTURE_FORMATS:
- params[ 0] = GL_PALETTE4_RGB8_OES;
- params[ 1] = GL_PALETTE4_RGBA8_OES;
- params[ 2] = GL_PALETTE4_R5_G6_B5_OES;
- params[ 3] = GL_PALETTE4_RGBA4_OES;
- params[ 4] = GL_PALETTE4_RGB5_A1_OES;
- params[ 5] = GL_PALETTE8_RGB8_OES;
- params[ 6] = GL_PALETTE8_RGBA8_OES;
- params[ 7] = GL_PALETTE8_R5_G6_B5_OES;
- params[ 8] = GL_PALETTE8_RGBA4_OES;
- params[ 9] = GL_PALETTE8_RGB5_A1_OES;
- i = 10;
-#ifdef GL_OES_compressed_ETC1_RGB8_texture
- params[i++] = GL_ETC1_RGB8_OES;
-#endif
- break;
- case GL_DEPTH_BITS:
- params[0] = c->rasterizer.state.buffers.depth.format ? 0 : 16;
- break;
- case GL_IMPLEMENTATION_COLOR_READ_FORMAT_OES:
- params[0] = GL_RGB;
- break;
- case GL_IMPLEMENTATION_COLOR_READ_TYPE_OES:
- params[0] = GL_UNSIGNED_SHORT_5_6_5;
- break;
- case GL_MAX_LIGHTS:
- params[0] = OGLES_MAX_LIGHTS;
- break;
- case GL_MAX_CLIP_PLANES:
- params[0] = OGLES_MAX_CLIP_PLANES;
- break;
- case GL_MAX_MODELVIEW_STACK_DEPTH:
- params[0] = OGLES_MODELVIEW_STACK_DEPTH;
- break;
- case GL_MAX_PROJECTION_STACK_DEPTH:
- params[0] = OGLES_PROJECTION_STACK_DEPTH;
- break;
- case GL_MAX_TEXTURE_STACK_DEPTH:
- params[0] = OGLES_TEXTURE_STACK_DEPTH;
- break;
- case GL_MAX_TEXTURE_SIZE:
- params[0] = GGL_MAX_TEXTURE_SIZE;
- break;
- case GL_MAX_TEXTURE_UNITS:
- params[0] = GGL_TEXTURE_UNIT_COUNT;
- break;
- case GL_MAX_VIEWPORT_DIMS:
- params[0] = GGL_MAX_VIEWPORT_DIMS;
- params[1] = GGL_MAX_VIEWPORT_DIMS;
- break;
- case GL_NUM_COMPRESSED_TEXTURE_FORMATS:
- params[0] = OGLES_NUM_COMPRESSED_TEXTURE_FORMATS;
- break;
- case GL_SMOOTH_LINE_WIDTH_RANGE:
- params[0] = 0;
- params[1] = GGL_MAX_SMOOTH_LINE_WIDTH;
- break;
- case GL_SMOOTH_POINT_SIZE_RANGE:
- params[0] = 0;
- params[1] = GGL_MAX_SMOOTH_POINT_SIZE;
- break;
- case GL_STENCIL_BITS:
- params[0] = 0;
- break;
- case GL_SUBPIXEL_BITS:
- params[0] = GGL_SUBPIXEL_BITS;
- break;
-
- case GL_MODELVIEW_MATRIX_FLOAT_AS_INT_BITS_OES:
- memcpy( params,
- c->transforms.modelview.top().elements(),
- 16*sizeof(GLint));
- break;
- case GL_PROJECTION_MATRIX_FLOAT_AS_INT_BITS_OES:
- memcpy( params,
- c->transforms.projection.top().elements(),
- 16*sizeof(GLint));
- break;
- case GL_TEXTURE_MATRIX_FLOAT_AS_INT_BITS_OES:
- memcpy( params,
- c->transforms.texture[c->textures.active].top().elements(),
- 16*sizeof(GLint));
- break;
-
- default:
- ogles_error(c, GL_INVALID_ENUM);
- break;
- }
-}
-
-// ----------------------------------------------------------------------------
-
-void glPointSize(GLfloat size)
-{
- ogles_context_t* c = ogles_context_t::get();
- if (size <= 0) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
- c->point.size = TRI_FROM_FIXED(gglFloatToFixed(size));
-}
-
-void glPointSizex(GLfixed size)
-{
- ogles_context_t* c = ogles_context_t::get();
- if (size <= 0) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
- c->point.size = TRI_FROM_FIXED(size);
-}
-
-// ----------------------------------------------------------------------------
-
-void glLineWidth(GLfloat width)
-{
- ogles_context_t* c = ogles_context_t::get();
- if (width <= 0) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
- c->line.width = TRI_FROM_FIXED(gglFloatToFixed(width));
-}
-
-void glLineWidthx(GLfixed width)
-{
- ogles_context_t* c = ogles_context_t::get();
- if (width <= 0) {
- ogles_error(c, GL_INVALID_ENUM);
- return;
- }
- c->line.width = TRI_FROM_FIXED(width);
-}
-
-// ----------------------------------------------------------------------------
-
-void glColorMask(GLboolean r, GLboolean g, GLboolean b, GLboolean a) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.colorMask(c, r, g, b, a);
-}
-
-void glDepthMask(GLboolean flag) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.depthMask(c, flag);
-}
-
-void glStencilMask(GLuint mask) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.stencilMask(c, mask);
-}
-
-void glDepthFunc(GLenum func) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.depthFunc(c, func);
-}
-
-void glLogicOp(GLenum opcode) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.logicOp(c, opcode);
-}
-
-void glAlphaFuncx(GLenum func, GLclampx ref) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.alphaFuncx(c, func, ref);
-}
-
-void glBlendFunc(GLenum sfactor, GLenum dfactor) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.blendFunc(c, sfactor, dfactor);
-}
-
-void glClear(GLbitfield mask) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.clear(c, mask);
-}
-
-void glClearColorx(GLclampx red, GLclampx green, GLclampx blue, GLclampx alpha) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.clearColorx(c, red, green, blue, alpha);
-}
-
-void glClearColor(GLclampf r, GLclampf g, GLclampf b, GLclampf a)
-{
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.clearColorx(c,
- gglFloatToFixed(r),
- gglFloatToFixed(g),
- gglFloatToFixed(b),
- gglFloatToFixed(a));
-}
-
-void glClearDepthx(GLclampx depth) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.clearDepthx(c, depth);
-}
-
-void glClearDepthf(GLclampf depth)
-{
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.clearDepthx(c, gglFloatToFixed(depth));
-}
-
-void glClearStencil(GLint s) {
- ogles_context_t* c = ogles_context_t::get();
- c->rasterizer.procs.clearStencil(c, s);
-}
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