mozilla-central/gfx/angle/checkout/src/libANGLE/Context_gles_1_0.cpp (file symbol)

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//
// Copyright 2018 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// Context_gles_1_0.cpp: Implements the GLES1-specific parts of Context.
#include "libANGLE/Context.h"
#include "common/mathutil.h"
#include "common/utilities.h"
#include "libANGLE/GLES1Renderer.h"
#include "libANGLE/queryconversions.h"
#include "libANGLE/queryutils.h"
namespace
{
angle::Mat4 FixedMatrixToMat4(const GLfixed *m)
{
angle::Mat4 matrixAsFloat;
GLfloat *floatData = matrixAsFloat.data();
for (int i = 0; i < 16; i++)
{
floatData[i] = gl::ConvertFixedToFloat(m[i]);
}
return matrixAsFloat;
}
} // namespace
namespace gl
{
void Context::alphaFunc(AlphaTestFunc func, GLfloat ref)
{
mState.gles1().setAlphaFunc(func, ref);
}
void Context::alphaFuncx(AlphaTestFunc func, GLfixed ref)
{
mState.gles1().setAlphaFunc(func, ConvertFixedToFloat(ref));
}
void Context::clearColorx(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha)
{
mState.setColorClearValue(ConvertFixedToFloat(red), ConvertFixedToFloat(green),
ConvertFixedToFloat(blue), ConvertFixedToFloat(alpha));
}
void Context::clearDepthx(GLfixed depth)
{
mState.setDepthClearValue(clamp01(ConvertFixedToFloat(depth)));
}
void Context::clientActiveTexture(GLenum texture)
{
mState.gles1().setClientTextureUnit(texture - GL_TEXTURE0);
mStateCache.onGLES1ClientStateChange(this);
}
void Context::clipPlanef(GLenum p, const GLfloat *eqn)
{
mState.gles1().setClipPlane(p - GL_CLIP_PLANE0, eqn);
}
void Context::clipPlanex(GLenum plane, const GLfixed *equation)
{
const GLfloat equationf[4] = {
ConvertFixedToFloat(equation[0]),
ConvertFixedToFloat(equation[1]),
ConvertFixedToFloat(equation[2]),
ConvertFixedToFloat(equation[3]),
};
mState.gles1().setClipPlane(plane - GL_CLIP_PLANE0, equationf);
}
void Context::color4f(GLfloat red, GLfloat green, GLfloat blue, GLfloat alpha)
{
mState.gles1().setCurrentColor({red, green, blue, alpha});
}
void Context::color4ub(GLubyte red, GLubyte green, GLubyte blue, GLubyte alpha)
{
mState.gles1().setCurrentColor(
{normalizedToFloat<uint8_t>(red), normalizedToFloat<uint8_t>(green),
normalizedToFloat<uint8_t>(blue), normalizedToFloat<uint8_t>(alpha)});
}
void Context::color4x(GLfixed red, GLfixed green, GLfixed blue, GLfixed alpha)
{
mState.gles1().setCurrentColor({ConvertFixedToFloat(red), ConvertFixedToFloat(green),
ConvertFixedToFloat(blue), ConvertFixedToFloat(alpha)});
}
void Context::colorPointer(GLint size, VertexAttribType type, GLsizei stride, const void *ptr)
{
// Note that we normalize data for UnsignedByte types. This is to match the behavior
// of current native GLES drivers.
vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::Color), size, type,
type == VertexAttribType::UnsignedByte, stride, ptr);
}
void Context::depthRangex(GLfixed n, GLfixed f)
{
mState.setDepthRange(clamp01(ConvertFixedToFloat(n)), clamp01(ConvertFixedToFloat(f)));
}
void Context::disableClientState(ClientVertexArrayType clientState)
{
mState.gles1().setClientStateEnabled(clientState, false);
disableVertexAttribArray(vertexArrayIndex(clientState));
mStateCache.onGLES1ClientStateChange(this);
}
void Context::enableClientState(ClientVertexArrayType clientState)
{
mState.gles1().setClientStateEnabled(clientState, true);
enableVertexAttribArray(vertexArrayIndex(clientState));
mStateCache.onGLES1ClientStateChange(this);
}
void Context::fogf(GLenum pname, GLfloat param)
{
SetFogParameters(&mState.gles1(), pname, &param);
}
void Context::fogfv(GLenum pname, const GLfloat *params)
{
SetFogParameters(&mState.gles1(), pname, params);
}
void Context::fogx(GLenum pname, GLfixed param)
{
if (GetFogParameterCount(pname) == 1)
{
GLfloat paramf = pname == GL_FOG_MODE ? ConvertToGLenum(param) : ConvertFixedToFloat(param);
fogf(pname, paramf);
}
else
{
UNREACHABLE();
}
}
void Context::fogxv(GLenum pname, const GLfixed *params)
{
int paramCount = GetFogParameterCount(pname);
if (paramCount > 0)
{
GLfloat paramsf[4];
for (int i = 0; i < paramCount; i++)
{
paramsf[i] =
pname == GL_FOG_MODE ? ConvertToGLenum(params[i]) : ConvertFixedToFloat(params[i]);
}
fogfv(pname, paramsf);
}
else
{
UNREACHABLE();
}
}
void Context::frustumf(GLfloat l, GLfloat r, GLfloat b, GLfloat t, GLfloat n, GLfloat f)
{
mState.gles1().multMatrix(angle::Mat4::Frustum(l, r, b, t, n, f));
}
void Context::frustumx(GLfixed l, GLfixed r, GLfixed b, GLfixed t, GLfixed n, GLfixed f)
{
mState.gles1().multMatrix(angle::Mat4::Frustum(ConvertFixedToFloat(l), ConvertFixedToFloat(r),
ConvertFixedToFloat(b), ConvertFixedToFloat(t),
ConvertFixedToFloat(n), ConvertFixedToFloat(f)));
}
void Context::getClipPlanef(GLenum plane, GLfloat *equation)
{
mState.gles1().getClipPlane(plane - GL_CLIP_PLANE0, equation);
}
void Context::getClipPlanex(GLenum plane, GLfixed *equation)
{
GLfloat equationf[4] = {};
mState.gles1().getClipPlane(plane - GL_CLIP_PLANE0, equationf);
for (int i = 0; i < 4; i++)
{
equation[i] = ConvertFloatToFixed(equationf[i]);
}
}
void Context::getFixedv(GLenum pname, GLfixed *params)
{
GLenum nativeType;
unsigned int numParams = 0;
getQueryParameterInfo(pname, &nativeType, &numParams);
std::vector<GLfloat> paramsf(numParams, 0);
CastStateValues(this, nativeType, pname, numParams, paramsf.data());
for (unsigned int i = 0; i < numParams; i++)
{
params[i] = ConvertFloatToFixed(paramsf[i]);
}
}
void Context::getLightfv(GLenum light, LightParameter pname, GLfloat *params)
{
GetLightParameters(&mState.gles1(), light, pname, params);
}
void Context::getLightxv(GLenum light, LightParameter pname, GLfixed *params)
{
GLfloat paramsf[4];
getLightfv(light, pname, paramsf);
for (unsigned int i = 0; i < GetLightParameterCount(pname); i++)
{
params[i] = ConvertFloatToFixed(paramsf[i]);
}
}
void Context::getMaterialfv(GLenum face, MaterialParameter pname, GLfloat *params)
{
GetMaterialParameters(&mState.gles1(), face, pname, params);
}
void Context::getMaterialxv(GLenum face, MaterialParameter pname, GLfixed *params)
{
GLfloat paramsf[4];
getMaterialfv(face, pname, paramsf);
for (unsigned int i = 0; i < GetMaterialParameterCount(pname); i++)
{
params[i] = ConvertFloatToFixed(paramsf[i]);
}
}
void Context::getTexEnvfv(TextureEnvTarget target, TextureEnvParameter pname, GLfloat *params)
{
GetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, params);
}
void Context::getTexEnviv(TextureEnvTarget target, TextureEnvParameter pname, GLint *params)
{
GLfloat paramsf[4];
GetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
ConvertTextureEnvToInt(pname, paramsf, params);
}
void Context::getTexEnvxv(TextureEnvTarget target, TextureEnvParameter pname, GLfixed *params)
{
GLfloat paramsf[4];
GetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
ConvertTextureEnvToFixed(pname, paramsf, params);
}
void Context::getTexParameterxv(TextureType target, GLenum pname, GLfixed *params)
{
const Texture *const texture = getTextureByType(target);
QueryTexParameterxv(this, texture, pname, params);
}
void Context::lightModelf(GLenum pname, GLfloat param)
{
SetLightModelParameters(&mState.gles1(), pname, &param);
}
void Context::lightModelfv(GLenum pname, const GLfloat *params)
{
SetLightModelParameters(&mState.gles1(), pname, params);
}
void Context::lightModelx(GLenum pname, GLfixed param)
{
lightModelf(pname, ConvertFixedToFloat(param));
}
void Context::lightModelxv(GLenum pname, const GLfixed *param)
{
GLfloat paramsf[4];
for (unsigned int i = 0; i < GetLightModelParameterCount(pname); i++)
{
paramsf[i] = ConvertFixedToFloat(param[i]);
}
lightModelfv(pname, paramsf);
}
void Context::lightf(GLenum light, LightParameter pname, GLfloat param)
{
SetLightParameters(&mState.gles1(), light, pname, &param);
}
void Context::lightfv(GLenum light, LightParameter pname, const GLfloat *params)
{
SetLightParameters(&mState.gles1(), light, pname, params);
}
void Context::lightx(GLenum light, LightParameter pname, GLfixed param)
{
lightf(light, pname, ConvertFixedToFloat(param));
}
void Context::lightxv(GLenum light, LightParameter pname, const GLfixed *params)
{
GLfloat paramsf[4];
for (unsigned int i = 0; i < GetLightParameterCount(pname); i++)
{
paramsf[i] = ConvertFixedToFloat(params[i]);
}
lightfv(light, pname, paramsf);
}
void Context::lineWidthx(GLfixed width)
{
mState.setLineWidth(ConvertFixedToFloat(width));
}
void Context::loadIdentity()
{
mState.gles1().loadMatrix(angle::Mat4());
}
void Context::loadMatrixf(const GLfloat *m)
{
mState.gles1().loadMatrix(angle::Mat4(m));
}
void Context::loadMatrixx(const GLfixed *m)
{
mState.gles1().loadMatrix(FixedMatrixToMat4(m));
}
void Context::logicOp(LogicalOperation opcodePacked)
{
mState.gles1().setLogicOp(opcodePacked);
}
void Context::materialf(GLenum face, MaterialParameter pname, GLfloat param)
{
SetMaterialParameters(&mState.gles1(), face, pname, &param);
}
void Context::materialfv(GLenum face, MaterialParameter pname, const GLfloat *params)
{
SetMaterialParameters(&mState.gles1(), face, pname, params);
}
void Context::materialx(GLenum face, MaterialParameter pname, GLfixed param)
{
materialf(face, pname, ConvertFixedToFloat(param));
}
void Context::materialxv(GLenum face, MaterialParameter pname, const GLfixed *param)
{
GLfloat paramsf[4];
for (unsigned int i = 0; i < GetMaterialParameterCount(pname); i++)
{
paramsf[i] = ConvertFixedToFloat(param[i]);
}
materialfv(face, pname, paramsf);
}
void Context::matrixMode(MatrixType mode)
{
mState.gles1().setMatrixMode(mode);
}
void Context::multMatrixf(const GLfloat *m)
{
mState.gles1().multMatrix(angle::Mat4(m));
}
void Context::multMatrixx(const GLfixed *m)
{
mState.gles1().multMatrix(FixedMatrixToMat4(m));
}
void Context::multiTexCoord4f(GLenum target, GLfloat s, GLfloat t, GLfloat r, GLfloat q)
{
unsigned int unit = target - GL_TEXTURE0;
ASSERT(target >= GL_TEXTURE0 && unit < getCaps().maxMultitextureUnits);
mState.gles1().setCurrentTextureCoords(unit, {s, t, r, q});
}
void Context::multiTexCoord4x(GLenum target, GLfixed s, GLfixed t, GLfixed r, GLfixed q)
{
unsigned int unit = target - GL_TEXTURE0;
ASSERT(target >= GL_TEXTURE0 && unit < getCaps().maxMultitextureUnits);
mState.gles1().setCurrentTextureCoords(unit, {ConvertFixedToFloat(s), ConvertFixedToFloat(t),
ConvertFixedToFloat(r), ConvertFixedToFloat(q)});
}
void Context::normal3f(GLfloat nx, GLfloat ny, GLfloat nz)
{
mState.gles1().setCurrentNormal({nx, ny, nz});
}
void Context::normal3x(GLfixed nx, GLfixed ny, GLfixed nz)
{
mState.gles1().setCurrentNormal(
{ConvertFixedToFloat(nx), ConvertFixedToFloat(ny), ConvertFixedToFloat(nz)});
}
void Context::normalPointer(VertexAttribType type, GLsizei stride, const void *ptr)
{
vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::Normal), 3, type, GL_FALSE, stride,
ptr);
}
void Context::orthof(GLfloat left,
GLfloat right,
GLfloat bottom,
GLfloat top,
GLfloat zNear,
GLfloat zFar)
{
mState.gles1().multMatrix(angle::Mat4::Ortho(left, right, bottom, top, zNear, zFar));
}
void Context::orthox(GLfixed l, GLfixed r, GLfixed b, GLfixed t, GLfixed n, GLfixed f)
{
mState.gles1().multMatrix(angle::Mat4::Ortho(ConvertFixedToFloat(l), ConvertFixedToFloat(r),
ConvertFixedToFloat(b), ConvertFixedToFloat(t),
ConvertFixedToFloat(n), ConvertFixedToFloat(f)));
}
void Context::pointParameterf(PointParameter pname, GLfloat param)
{
SetPointParameter(&mState.gles1(), pname, &param);
}
void Context::pointParameterfv(PointParameter pname, const GLfloat *params)
{
SetPointParameter(&mState.gles1(), pname, params);
}
void Context::pointParameterx(PointParameter pname, GLfixed param)
{
GLfloat paramf = ConvertFixedToFloat(param);
SetPointParameter(&mState.gles1(), pname, &paramf);
}
void Context::pointParameterxv(PointParameter pname, const GLfixed *params)
{
GLfloat paramsf[4] = {};
for (unsigned int i = 0; i < GetPointParameterCount(pname); i++)
{
paramsf[i] = ConvertFixedToFloat(params[i]);
}
SetPointParameter(&mState.gles1(), pname, paramsf);
}
void Context::pointSize(GLfloat size)
{
SetPointSize(&mState.gles1(), size);
}
void Context::pointSizex(GLfixed size)
{
SetPointSize(&mState.gles1(), ConvertFixedToFloat(size));
}
void Context::polygonOffsetx(GLfixed factor, GLfixed units)
{
mState.setPolygonOffsetParams(ConvertFixedToFloat(factor), ConvertFixedToFloat(units));
}
void Context::popMatrix()
{
mState.gles1().popMatrix();
}
void Context::pushMatrix()
{
mState.gles1().pushMatrix();
}
void Context::rotatef(float angle, float x, float y, float z)
{
mState.gles1().multMatrix(angle::Mat4::Rotate(angle, angle::Vector3(x, y, z)));
}
void Context::rotatex(GLfixed angle, GLfixed x, GLfixed y, GLfixed z)
{
mState.gles1().multMatrix(angle::Mat4::Rotate(
ConvertFixedToFloat(angle),
angle::Vector3(ConvertFixedToFloat(x), ConvertFixedToFloat(y), ConvertFixedToFloat(z))));
}
void Context::sampleCoveragex(GLclampx value, GLboolean invert)
{
GLclampf valuef = ConvertFixedToFloat(value);
mState.setSampleCoverageParams(clamp01(valuef), ConvertToBool(invert));
}
void Context::scalef(float x, float y, float z)
{
mState.gles1().multMatrix(angle::Mat4::Scale(angle::Vector3(x, y, z)));
}
void Context::scalex(GLfixed x, GLfixed y, GLfixed z)
{
mState.gles1().multMatrix(angle::Mat4::Scale(
angle::Vector3(ConvertFixedToFloat(x), ConvertFixedToFloat(y), ConvertFixedToFloat(z))));
}
void Context::shadeModel(ShadingModel model)
{
mState.gles1().setShadeModel(model);
}
void Context::texCoordPointer(GLint size, VertexAttribType type, GLsizei stride, const void *ptr)
{
vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::TextureCoord), size, type, GL_FALSE,
stride, ptr);
}
void Context::texEnvf(TextureEnvTarget target, TextureEnvParameter pname, GLfloat param)
{
SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, &param);
}
void Context::texEnvfv(TextureEnvTarget target, TextureEnvParameter pname, const GLfloat *params)
{
SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, params);
}
void Context::texEnvi(TextureEnvTarget target, TextureEnvParameter pname, GLint param)
{
GLfloat paramsf[4] = {};
ConvertTextureEnvFromInt(pname, &param, paramsf);
SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
}
void Context::texEnviv(TextureEnvTarget target, TextureEnvParameter pname, const GLint *params)
{
GLfloat paramsf[4] = {};
ConvertTextureEnvFromInt(pname, params, paramsf);
SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
}
void Context::texEnvx(TextureEnvTarget target, TextureEnvParameter pname, GLfixed param)
{
GLfloat paramsf[4] = {};
ConvertTextureEnvFromFixed(pname, &param, paramsf);
SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
}
void Context::texEnvxv(TextureEnvTarget target, TextureEnvParameter pname, const GLfixed *params)
{
GLfloat paramsf[4] = {};
ConvertTextureEnvFromFixed(pname, params, paramsf);
SetTextureEnv(mState.getActiveSampler(), &mState.gles1(), target, pname, paramsf);
}
void Context::texParameterx(TextureType target, GLenum pname, GLfixed param)
{
Texture *const texture = getTextureByType(target);
SetTexParameterx(this, texture, pname, param);
}
void Context::texParameterxv(TextureType target, GLenum pname, const GLfixed *params)
{
Texture *const texture = getTextureByType(target);
SetTexParameterxv(this, texture, pname, params);
}
void Context::translatef(float x, float y, float z)
{
mState.gles1().multMatrix(angle::Mat4::Translate(angle::Vector3(x, y, z)));
}
void Context::translatex(GLfixed x, GLfixed y, GLfixed z)
{
mState.gles1().multMatrix(angle::Mat4::Translate(
angle::Vector3(ConvertFixedToFloat(x), ConvertFixedToFloat(y), ConvertFixedToFloat(z))));
}
void Context::vertexPointer(GLint size, VertexAttribType type, GLsizei stride, const void *ptr)
{
vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::Vertex), size, type, GL_FALSE,
stride, ptr);
}
// GL_OES_draw_texture
void Context::drawTexf(float x, float y, float z, float width, float height)
{
mGLES1Renderer->drawTexture(this, &mState, x, y, z, width, height);
}
void Context::drawTexfv(const GLfloat *coords)
{
mGLES1Renderer->drawTexture(this, &mState, coords[0], coords[1], coords[2], coords[3],
coords[4]);
}
void Context::drawTexi(GLint x, GLint y, GLint z, GLint width, GLint height)
{
mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(x), static_cast<GLfloat>(y),
static_cast<GLfloat>(z), static_cast<GLfloat>(width),
static_cast<GLfloat>(height));
}
void Context::drawTexiv(const GLint *coords)
{
mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(coords[0]),
static_cast<GLfloat>(coords[1]), static_cast<GLfloat>(coords[2]),
static_cast<GLfloat>(coords[3]), static_cast<GLfloat>(coords[4]));
}
void Context::drawTexs(GLshort x, GLshort y, GLshort z, GLshort width, GLshort height)
{
mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(x), static_cast<GLfloat>(y),
static_cast<GLfloat>(z), static_cast<GLfloat>(width),
static_cast<GLfloat>(height));
}
void Context::drawTexsv(const GLshort *coords)
{
mGLES1Renderer->drawTexture(this, &mState, static_cast<GLfloat>(coords[0]),
static_cast<GLfloat>(coords[1]), static_cast<GLfloat>(coords[2]),
static_cast<GLfloat>(coords[3]), static_cast<GLfloat>(coords[4]));
}
void Context::drawTexx(GLfixed x, GLfixed y, GLfixed z, GLfixed width, GLfixed height)
{
mGLES1Renderer->drawTexture(this, &mState, ConvertFixedToFloat(x), ConvertFixedToFloat(y),
ConvertFixedToFloat(z), ConvertFixedToFloat(width),
ConvertFixedToFloat(height));
}
void Context::drawTexxv(const GLfixed *coords)
{
mGLES1Renderer->drawTexture(this, &mState, ConvertFixedToFloat(coords[0]),
ConvertFixedToFloat(coords[1]), ConvertFixedToFloat(coords[2]),
ConvertFixedToFloat(coords[3]), ConvertFixedToFloat(coords[4]));
}
// GL_OES_matrix_palette
void Context::currentPaletteMatrix(GLuint matrixpaletteindex)
{
UNIMPLEMENTED();
}
void Context::loadPaletteFromModelViewMatrix()
{
UNIMPLEMENTED();
}
void Context::matrixIndexPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
{
UNIMPLEMENTED();
}
void Context::weightPointer(GLint size, GLenum type, GLsizei stride, const void *pointer)
{
UNIMPLEMENTED();
}
// GL_OES_point_size_array
void Context::pointSizePointer(VertexAttribType type, GLsizei stride, const void *ptr)
{
vertexAttribPointer(vertexArrayIndex(ClientVertexArrayType::PointSize), 1, type, GL_FALSE,
stride, ptr);
}
// GL_OES_query_matrix
GLbitfield Context::queryMatrixx(GLfixed *mantissa, GLint *exponent)
{
UNIMPLEMENTED();
return 0;
}
// GL_OES_texture_cube_map
void Context::getTexGenfv(GLenum coord, GLenum pname, GLfloat *params)
{
UNIMPLEMENTED();
}
void Context::getTexGeniv(GLenum coord, GLenum pname, GLint *params)
{
UNIMPLEMENTED();
}
void Context::getTexGenxv(GLenum coord, GLenum pname, GLfixed *params)
{
UNIMPLEMENTED();
}
void Context::texGenf(GLenum coord, GLenum pname, GLfloat param)
{
UNIMPLEMENTED();
}
void Context::texGenfv(GLenum coord, GLenum pname, const GLfloat *params)
{
UNIMPLEMENTED();
}
void Context::texGeni(GLenum coord, GLenum pname, GLint param)
{
UNIMPLEMENTED();
}
void Context::texGeniv(GLenum coord, GLenum pname, const GLint *params)
{
UNIMPLEMENTED();
}
void Context::texGenx(GLenum coord, GLenum pname, GLfixed param)
{
UNIMPLEMENTED();
}
void Context::texGenxv(GLenum coord, GLenum pname, const GLint *params)
{
UNIMPLEMENTED();
}
int Context::vertexArrayIndex(ClientVertexArrayType type) const
{
return GLES1Renderer::VertexArrayIndex(type, mState.gles1());
}
// static
int Context::TexCoordArrayIndex(unsigned int unit)
{
return GLES1Renderer::TexCoordArrayIndex(unit);
}
} // namespace gl